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TOMOYO Linux Cross Reference
Linux/tools/perf/builtin-script.c

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  1 // SPDX-License-Identifier: GPL-2.0
  2 #include "builtin.h"
  3 
  4 #include "perf.h"
  5 #include "util/cache.h"
  6 #include "util/debug.h"
  7 #include <subcmd/exec-cmd.h>
  8 #include "util/header.h"
  9 #include <subcmd/parse-options.h>
 10 #include "util/perf_regs.h"
 11 #include "util/session.h"
 12 #include "util/tool.h"
 13 #include "util/map.h"
 14 #include "util/symbol.h"
 15 #include "util/thread.h"
 16 #include "util/trace-event.h"
 17 #include "util/util.h"
 18 #include "util/evlist.h"
 19 #include "util/evsel.h"
 20 #include "util/sort.h"
 21 #include "util/data.h"
 22 #include "util/auxtrace.h"
 23 #include "util/cpumap.h"
 24 #include "util/thread_map.h"
 25 #include "util/stat.h"
 26 #include "util/color.h"
 27 #include "util/string2.h"
 28 #include "util/thread-stack.h"
 29 #include "util/time-utils.h"
 30 #include "util/path.h"
 31 #include "print_binary.h"
 32 #include "archinsn.h"
 33 #include <linux/bitmap.h>
 34 #include <linux/kernel.h>
 35 #include <linux/stringify.h>
 36 #include <linux/time64.h>
 37 #include <sys/utsname.h>
 38 #include "asm/bug.h"
 39 #include "util/mem-events.h"
 40 #include "util/dump-insn.h"
 41 #include <dirent.h>
 42 #include <errno.h>
 43 #include <inttypes.h>
 44 #include <signal.h>
 45 #include <sys/param.h>
 46 #include <sys/types.h>
 47 #include <sys/stat.h>
 48 #include <fcntl.h>
 49 #include <unistd.h>
 50 #include <subcmd/pager.h>
 51 
 52 #include "sane_ctype.h"
 53 
 54 static char const               *script_name;
 55 static char const               *generate_script_lang;
 56 static bool                     reltime;
 57 static u64                      initial_time;
 58 static bool                     debug_mode;
 59 static u64                      last_timestamp;
 60 static u64                      nr_unordered;
 61 static bool                     no_callchain;
 62 static bool                     latency_format;
 63 static bool                     system_wide;
 64 static bool                     print_flags;
 65 static const char               *cpu_list;
 66 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
 67 static struct perf_stat_config  stat_config;
 68 static int                      max_blocks;
 69 static bool                     native_arch;
 70 
 71 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
 72 
 73 enum perf_output_field {
 74         PERF_OUTPUT_COMM            = 1U << 0,
 75         PERF_OUTPUT_TID             = 1U << 1,
 76         PERF_OUTPUT_PID             = 1U << 2,
 77         PERF_OUTPUT_TIME            = 1U << 3,
 78         PERF_OUTPUT_CPU             = 1U << 4,
 79         PERF_OUTPUT_EVNAME          = 1U << 5,
 80         PERF_OUTPUT_TRACE           = 1U << 6,
 81         PERF_OUTPUT_IP              = 1U << 7,
 82         PERF_OUTPUT_SYM             = 1U << 8,
 83         PERF_OUTPUT_DSO             = 1U << 9,
 84         PERF_OUTPUT_ADDR            = 1U << 10,
 85         PERF_OUTPUT_SYMOFFSET       = 1U << 11,
 86         PERF_OUTPUT_SRCLINE         = 1U << 12,
 87         PERF_OUTPUT_PERIOD          = 1U << 13,
 88         PERF_OUTPUT_IREGS           = 1U << 14,
 89         PERF_OUTPUT_BRSTACK         = 1U << 15,
 90         PERF_OUTPUT_BRSTACKSYM      = 1U << 16,
 91         PERF_OUTPUT_DATA_SRC        = 1U << 17,
 92         PERF_OUTPUT_WEIGHT          = 1U << 18,
 93         PERF_OUTPUT_BPF_OUTPUT      = 1U << 19,
 94         PERF_OUTPUT_CALLINDENT      = 1U << 20,
 95         PERF_OUTPUT_INSN            = 1U << 21,
 96         PERF_OUTPUT_INSNLEN         = 1U << 22,
 97         PERF_OUTPUT_BRSTACKINSN     = 1U << 23,
 98         PERF_OUTPUT_BRSTACKOFF      = 1U << 24,
 99         PERF_OUTPUT_SYNTH           = 1U << 25,
100         PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
101         PERF_OUTPUT_UREGS           = 1U << 27,
102         PERF_OUTPUT_METRIC          = 1U << 28,
103         PERF_OUTPUT_MISC            = 1U << 29,
104         PERF_OUTPUT_SRCCODE         = 1U << 30,
105 };
106 
107 struct output_option {
108         const char *str;
109         enum perf_output_field field;
110 } all_output_options[] = {
111         {.str = "comm",  .field = PERF_OUTPUT_COMM},
112         {.str = "tid",   .field = PERF_OUTPUT_TID},
113         {.str = "pid",   .field = PERF_OUTPUT_PID},
114         {.str = "time",  .field = PERF_OUTPUT_TIME},
115         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
116         {.str = "event", .field = PERF_OUTPUT_EVNAME},
117         {.str = "trace", .field = PERF_OUTPUT_TRACE},
118         {.str = "ip",    .field = PERF_OUTPUT_IP},
119         {.str = "sym",   .field = PERF_OUTPUT_SYM},
120         {.str = "dso",   .field = PERF_OUTPUT_DSO},
121         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
122         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
123         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
124         {.str = "period", .field = PERF_OUTPUT_PERIOD},
125         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
126         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
127         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
128         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
129         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
130         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
131         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
132         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
133         {.str = "insn", .field = PERF_OUTPUT_INSN},
134         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
135         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
136         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
137         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
138         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
139         {.str = "metric", .field = PERF_OUTPUT_METRIC},
140         {.str = "misc", .field = PERF_OUTPUT_MISC},
141         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
142 };
143 
144 enum {
145         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
146         OUTPUT_TYPE_MAX
147 };
148 
149 /* default set to maintain compatibility with current format */
150 static struct {
151         bool user_set;
152         bool wildcard_set;
153         unsigned int print_ip_opts;
154         u64 fields;
155         u64 invalid_fields;
156         u64 user_set_fields;
157 } output[OUTPUT_TYPE_MAX] = {
158 
159         [PERF_TYPE_HARDWARE] = {
160                 .user_set = false,
161 
162                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
163                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
164                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
165                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
166                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
167 
168                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
169         },
170 
171         [PERF_TYPE_SOFTWARE] = {
172                 .user_set = false,
173 
174                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
175                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
176                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
177                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
178                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
179                               PERF_OUTPUT_BPF_OUTPUT,
180 
181                 .invalid_fields = PERF_OUTPUT_TRACE,
182         },
183 
184         [PERF_TYPE_TRACEPOINT] = {
185                 .user_set = false,
186 
187                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
188                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
189                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
190         },
191 
192         [PERF_TYPE_HW_CACHE] = {
193                 .user_set = false,
194 
195                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
196                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
197                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
198                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
199                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
200 
201                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
202         },
203 
204         [PERF_TYPE_RAW] = {
205                 .user_set = false,
206 
207                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
208                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
209                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
210                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
211                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
212                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
213                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
214 
215                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
216         },
217 
218         [PERF_TYPE_BREAKPOINT] = {
219                 .user_set = false,
220 
221                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
222                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
223                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
224                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
225                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
226 
227                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
228         },
229 
230         [OUTPUT_TYPE_SYNTH] = {
231                 .user_set = false,
232 
233                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
234                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
235                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
236                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
237                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
238 
239                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
240         },
241 };
242 
243 struct perf_evsel_script {
244        char *filename;
245        FILE *fp;
246        u64  samples;
247        /* For metric output */
248        u64  val;
249        int  gnum;
250 };
251 
252 static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel)
253 {
254         return (struct perf_evsel_script *)evsel->priv;
255 }
256 
257 static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel,
258                                                         struct perf_data *data)
259 {
260         struct perf_evsel_script *es = zalloc(sizeof(*es));
261 
262         if (es != NULL) {
263                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
264                         goto out_free;
265                 es->fp = fopen(es->filename, "w");
266                 if (es->fp == NULL)
267                         goto out_free_filename;
268         }
269 
270         return es;
271 out_free_filename:
272         zfree(&es->filename);
273 out_free:
274         free(es);
275         return NULL;
276 }
277 
278 static void perf_evsel_script__delete(struct perf_evsel_script *es)
279 {
280         zfree(&es->filename);
281         fclose(es->fp);
282         es->fp = NULL;
283         free(es);
284 }
285 
286 static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp)
287 {
288         struct stat st;
289 
290         fstat(fileno(es->fp), &st);
291         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
292                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
293 }
294 
295 static inline int output_type(unsigned int type)
296 {
297         switch (type) {
298         case PERF_TYPE_SYNTH:
299                 return OUTPUT_TYPE_SYNTH;
300         default:
301                 return type;
302         }
303 }
304 
305 static inline unsigned int attr_type(unsigned int type)
306 {
307         switch (type) {
308         case OUTPUT_TYPE_SYNTH:
309                 return PERF_TYPE_SYNTH;
310         default:
311                 return type;
312         }
313 }
314 
315 static bool output_set_by_user(void)
316 {
317         int j;
318         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
319                 if (output[j].user_set)
320                         return true;
321         }
322         return false;
323 }
324 
325 static const char *output_field2str(enum perf_output_field field)
326 {
327         int i, imax = ARRAY_SIZE(all_output_options);
328         const char *str = "";
329 
330         for (i = 0; i < imax; ++i) {
331                 if (all_output_options[i].field == field) {
332                         str = all_output_options[i].str;
333                         break;
334                 }
335         }
336         return str;
337 }
338 
339 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
340 
341 static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
342                                       u64 sample_type, const char *sample_msg,
343                                       enum perf_output_field field,
344                                       bool allow_user_set)
345 {
346         struct perf_event_attr *attr = &evsel->attr;
347         int type = output_type(attr->type);
348         const char *evname;
349 
350         if (attr->sample_type & sample_type)
351                 return 0;
352 
353         if (output[type].user_set_fields & field) {
354                 if (allow_user_set)
355                         return 0;
356                 evname = perf_evsel__name(evsel);
357                 pr_err("Samples for '%s' event do not have %s attribute set. "
358                        "Cannot print '%s' field.\n",
359                        evname, sample_msg, output_field2str(field));
360                 return -1;
361         }
362 
363         /* user did not ask for it explicitly so remove from the default list */
364         output[type].fields &= ~field;
365         evname = perf_evsel__name(evsel);
366         pr_debug("Samples for '%s' event do not have %s attribute set. "
367                  "Skipping '%s' field.\n",
368                  evname, sample_msg, output_field2str(field));
369 
370         return 0;
371 }
372 
373 static int perf_evsel__check_stype(struct perf_evsel *evsel,
374                                    u64 sample_type, const char *sample_msg,
375                                    enum perf_output_field field)
376 {
377         return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
378                                           false);
379 }
380 
381 static int perf_evsel__check_attr(struct perf_evsel *evsel,
382                                   struct perf_session *session)
383 {
384         struct perf_event_attr *attr = &evsel->attr;
385         bool allow_user_set;
386 
387         if (perf_header__has_feat(&session->header, HEADER_STAT))
388                 return 0;
389 
390         allow_user_set = perf_header__has_feat(&session->header,
391                                                HEADER_AUXTRACE);
392 
393         if (PRINT_FIELD(TRACE) &&
394                 !perf_session__has_traces(session, "record -R"))
395                 return -EINVAL;
396 
397         if (PRINT_FIELD(IP)) {
398                 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
399                                             PERF_OUTPUT_IP))
400                         return -EINVAL;
401         }
402 
403         if (PRINT_FIELD(ADDR) &&
404                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
405                                            PERF_OUTPUT_ADDR, allow_user_set))
406                 return -EINVAL;
407 
408         if (PRINT_FIELD(DATA_SRC) &&
409                 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
410                                         PERF_OUTPUT_DATA_SRC))
411                 return -EINVAL;
412 
413         if (PRINT_FIELD(WEIGHT) &&
414                 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
415                                         PERF_OUTPUT_WEIGHT))
416                 return -EINVAL;
417 
418         if (PRINT_FIELD(SYM) &&
419                 !(evsel->attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
420                 pr_err("Display of symbols requested but neither sample IP nor "
421                            "sample address\navailable. Hence, no addresses to convert "
422                        "to symbols.\n");
423                 return -EINVAL;
424         }
425         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
426                 pr_err("Display of offsets requested but symbol is not"
427                        "selected.\n");
428                 return -EINVAL;
429         }
430         if (PRINT_FIELD(DSO) &&
431                 !(evsel->attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
432                 pr_err("Display of DSO requested but no address to convert.\n");
433                 return -EINVAL;
434         }
435         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
436                 pr_err("Display of source line number requested but sample IP is not\n"
437                        "selected. Hence, no address to lookup the source line number.\n");
438                 return -EINVAL;
439         }
440         if (PRINT_FIELD(BRSTACKINSN) &&
441             !(perf_evlist__combined_branch_type(session->evlist) &
442               PERF_SAMPLE_BRANCH_ANY)) {
443                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
444                        "Hint: run 'perf record -b ...'\n");
445                 return -EINVAL;
446         }
447         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
448                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
449                                         PERF_OUTPUT_TID|PERF_OUTPUT_PID))
450                 return -EINVAL;
451 
452         if (PRINT_FIELD(TIME) &&
453                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
454                                         PERF_OUTPUT_TIME))
455                 return -EINVAL;
456 
457         if (PRINT_FIELD(CPU) &&
458                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
459                                            PERF_OUTPUT_CPU, allow_user_set))
460                 return -EINVAL;
461 
462         if (PRINT_FIELD(IREGS) &&
463                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
464                                         PERF_OUTPUT_IREGS))
465                 return -EINVAL;
466 
467         if (PRINT_FIELD(UREGS) &&
468                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
469                                         PERF_OUTPUT_UREGS))
470                 return -EINVAL;
471 
472         if (PRINT_FIELD(PHYS_ADDR) &&
473                 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
474                                         PERF_OUTPUT_PHYS_ADDR))
475                 return -EINVAL;
476 
477         return 0;
478 }
479 
480 static void set_print_ip_opts(struct perf_event_attr *attr)
481 {
482         unsigned int type = output_type(attr->type);
483 
484         output[type].print_ip_opts = 0;
485         if (PRINT_FIELD(IP))
486                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
487 
488         if (PRINT_FIELD(SYM))
489                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
490 
491         if (PRINT_FIELD(DSO))
492                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
493 
494         if (PRINT_FIELD(SYMOFFSET))
495                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
496 
497         if (PRINT_FIELD(SRCLINE))
498                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
499 }
500 
501 /*
502  * verify all user requested events exist and the samples
503  * have the expected data
504  */
505 static int perf_session__check_output_opt(struct perf_session *session)
506 {
507         unsigned int j;
508         struct perf_evsel *evsel;
509 
510         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
511                 evsel = perf_session__find_first_evtype(session, attr_type(j));
512 
513                 /*
514                  * even if fields is set to 0 (ie., show nothing) event must
515                  * exist if user explicitly includes it on the command line
516                  */
517                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
518                     j != OUTPUT_TYPE_SYNTH) {
519                         pr_err("%s events do not exist. "
520                                "Remove corresponding -F option to proceed.\n",
521                                event_type(j));
522                         return -1;
523                 }
524 
525                 if (evsel && output[j].fields &&
526                         perf_evsel__check_attr(evsel, session))
527                         return -1;
528 
529                 if (evsel == NULL)
530                         continue;
531 
532                 set_print_ip_opts(&evsel->attr);
533         }
534 
535         if (!no_callchain) {
536                 bool use_callchain = false;
537                 bool not_pipe = false;
538 
539                 evlist__for_each_entry(session->evlist, evsel) {
540                         not_pipe = true;
541                         if (evsel__has_callchain(evsel)) {
542                                 use_callchain = true;
543                                 break;
544                         }
545                 }
546                 if (not_pipe && !use_callchain)
547                         symbol_conf.use_callchain = false;
548         }
549 
550         /*
551          * set default for tracepoints to print symbols only
552          * if callchains are present
553          */
554         if (symbol_conf.use_callchain &&
555             !output[PERF_TYPE_TRACEPOINT].user_set) {
556                 j = PERF_TYPE_TRACEPOINT;
557 
558                 evlist__for_each_entry(session->evlist, evsel) {
559                         if (evsel->attr.type != j)
560                                 continue;
561 
562                         if (evsel__has_callchain(evsel)) {
563                                 output[j].fields |= PERF_OUTPUT_IP;
564                                 output[j].fields |= PERF_OUTPUT_SYM;
565                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
566                                 output[j].fields |= PERF_OUTPUT_DSO;
567                                 set_print_ip_opts(&evsel->attr);
568                                 goto out;
569                         }
570                 }
571         }
572 
573 out:
574         return 0;
575 }
576 
577 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
578                                      FILE *fp
579 )
580 {
581         unsigned i = 0, r;
582         int printed = 0;
583 
584         if (!regs || !regs->regs)
585                 return 0;
586 
587         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
588 
589         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
590                 u64 val = regs->regs[i++];
591                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
592         }
593 
594         fprintf(fp, "\n");
595 
596         return printed;
597 }
598 
599 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
600                                       struct perf_event_attr *attr, FILE *fp)
601 {
602         return perf_sample__fprintf_regs(&sample->intr_regs,
603                                          attr->sample_regs_intr, fp);
604 }
605 
606 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
607                                       struct perf_event_attr *attr, FILE *fp)
608 {
609         return perf_sample__fprintf_regs(&sample->user_regs,
610                                          attr->sample_regs_user, fp);
611 }
612 
613 static int perf_sample__fprintf_start(struct perf_sample *sample,
614                                       struct thread *thread,
615                                       struct perf_evsel *evsel,
616                                       u32 type, FILE *fp)
617 {
618         struct perf_event_attr *attr = &evsel->attr;
619         unsigned long secs;
620         unsigned long long nsecs;
621         int printed = 0;
622 
623         if (PRINT_FIELD(COMM)) {
624                 if (latency_format)
625                         printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
626                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
627                         printed += fprintf(fp, "%s ", thread__comm_str(thread));
628                 else
629                         printed += fprintf(fp, "%16s ", thread__comm_str(thread));
630         }
631 
632         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
633                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
634         else if (PRINT_FIELD(PID))
635                 printed += fprintf(fp, "%5d ", sample->pid);
636         else if (PRINT_FIELD(TID))
637                 printed += fprintf(fp, "%5d ", sample->tid);
638 
639         if (PRINT_FIELD(CPU)) {
640                 if (latency_format)
641                         printed += fprintf(fp, "%3d ", sample->cpu);
642                 else
643                         printed += fprintf(fp, "[%03d] ", sample->cpu);
644         }
645 
646         if (PRINT_FIELD(MISC)) {
647                 int ret = 0;
648 
649                 #define has(m) \
650                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
651 
652                 if (has(KERNEL))
653                         ret += fprintf(fp, "K");
654                 if (has(USER))
655                         ret += fprintf(fp, "U");
656                 if (has(HYPERVISOR))
657                         ret += fprintf(fp, "H");
658                 if (has(GUEST_KERNEL))
659                         ret += fprintf(fp, "G");
660                 if (has(GUEST_USER))
661                         ret += fprintf(fp, "g");
662 
663                 switch (type) {
664                 case PERF_RECORD_MMAP:
665                 case PERF_RECORD_MMAP2:
666                         if (has(MMAP_DATA))
667                                 ret += fprintf(fp, "M");
668                         break;
669                 case PERF_RECORD_COMM:
670                         if (has(COMM_EXEC))
671                                 ret += fprintf(fp, "E");
672                         break;
673                 case PERF_RECORD_SWITCH:
674                 case PERF_RECORD_SWITCH_CPU_WIDE:
675                         if (has(SWITCH_OUT)) {
676                                 ret += fprintf(fp, "S");
677                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
678                                         ret += fprintf(fp, "p");
679                         }
680                 default:
681                         break;
682                 }
683 
684                 #undef has
685 
686                 ret += fprintf(fp, "%*s", 6 - ret, " ");
687                 printed += ret;
688         }
689 
690         if (PRINT_FIELD(TIME)) {
691                 u64 t = sample->time;
692                 if (reltime) {
693                         if (!initial_time)
694                                 initial_time = sample->time;
695                         t = sample->time - initial_time;
696                 }
697                 nsecs = t;
698                 secs = nsecs / NSEC_PER_SEC;
699                 nsecs -= secs * NSEC_PER_SEC;
700 
701                 if (symbol_conf.nanosecs)
702                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
703                 else {
704                         char sample_time[32];
705                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
706                         printed += fprintf(fp, "%12s: ", sample_time);
707                 }
708         }
709 
710         return printed;
711 }
712 
713 static inline char
714 mispred_str(struct branch_entry *br)
715 {
716         if (!(br->flags.mispred  || br->flags.predicted))
717                 return '-';
718 
719         return br->flags.predicted ? 'P' : 'M';
720 }
721 
722 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
723                                         struct thread *thread,
724                                         struct perf_event_attr *attr, FILE *fp)
725 {
726         struct branch_stack *br = sample->branch_stack;
727         struct addr_location alf, alt;
728         u64 i, from, to;
729         int printed = 0;
730 
731         if (!(br && br->nr))
732                 return 0;
733 
734         for (i = 0; i < br->nr; i++) {
735                 from = br->entries[i].from;
736                 to   = br->entries[i].to;
737 
738                 if (PRINT_FIELD(DSO)) {
739                         memset(&alf, 0, sizeof(alf));
740                         memset(&alt, 0, sizeof(alt));
741                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
742                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
743                 }
744 
745                 printed += fprintf(fp, " 0x%"PRIx64, from);
746                 if (PRINT_FIELD(DSO)) {
747                         printed += fprintf(fp, "(");
748                         printed += map__fprintf_dsoname(alf.map, fp);
749                         printed += fprintf(fp, ")");
750                 }
751 
752                 printed += fprintf(fp, "/0x%"PRIx64, to);
753                 if (PRINT_FIELD(DSO)) {
754                         printed += fprintf(fp, "(");
755                         printed += map__fprintf_dsoname(alt.map, fp);
756                         printed += fprintf(fp, ")");
757                 }
758 
759                 printed += fprintf(fp, "/%c/%c/%c/%d ",
760                         mispred_str( br->entries + i),
761                         br->entries[i].flags.in_tx? 'X' : '-',
762                         br->entries[i].flags.abort? 'A' : '-',
763                         br->entries[i].flags.cycles);
764         }
765 
766         return printed;
767 }
768 
769 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
770                                            struct thread *thread,
771                                            struct perf_event_attr *attr, FILE *fp)
772 {
773         struct branch_stack *br = sample->branch_stack;
774         struct addr_location alf, alt;
775         u64 i, from, to;
776         int printed = 0;
777 
778         if (!(br && br->nr))
779                 return 0;
780 
781         for (i = 0; i < br->nr; i++) {
782 
783                 memset(&alf, 0, sizeof(alf));
784                 memset(&alt, 0, sizeof(alt));
785                 from = br->entries[i].from;
786                 to   = br->entries[i].to;
787 
788                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
789                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
790 
791                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
792                 if (PRINT_FIELD(DSO)) {
793                         printed += fprintf(fp, "(");
794                         printed += map__fprintf_dsoname(alf.map, fp);
795                         printed += fprintf(fp, ")");
796                 }
797                 printed += fprintf(fp, "%c", '/');
798                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
799                 if (PRINT_FIELD(DSO)) {
800                         printed += fprintf(fp, "(");
801                         printed += map__fprintf_dsoname(alt.map, fp);
802                         printed += fprintf(fp, ")");
803                 }
804                 printed += fprintf(fp, "/%c/%c/%c/%d ",
805                         mispred_str( br->entries + i),
806                         br->entries[i].flags.in_tx? 'X' : '-',
807                         br->entries[i].flags.abort? 'A' : '-',
808                         br->entries[i].flags.cycles);
809         }
810 
811         return printed;
812 }
813 
814 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
815                                            struct thread *thread,
816                                            struct perf_event_attr *attr, FILE *fp)
817 {
818         struct branch_stack *br = sample->branch_stack;
819         struct addr_location alf, alt;
820         u64 i, from, to;
821         int printed = 0;
822 
823         if (!(br && br->nr))
824                 return 0;
825 
826         for (i = 0; i < br->nr; i++) {
827 
828                 memset(&alf, 0, sizeof(alf));
829                 memset(&alt, 0, sizeof(alt));
830                 from = br->entries[i].from;
831                 to   = br->entries[i].to;
832 
833                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
834                     !alf.map->dso->adjust_symbols)
835                         from = map__map_ip(alf.map, from);
836 
837                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
838                     !alt.map->dso->adjust_symbols)
839                         to = map__map_ip(alt.map, to);
840 
841                 printed += fprintf(fp, " 0x%"PRIx64, from);
842                 if (PRINT_FIELD(DSO)) {
843                         printed += fprintf(fp, "(");
844                         printed += map__fprintf_dsoname(alf.map, fp);
845                         printed += fprintf(fp, ")");
846                 }
847                 printed += fprintf(fp, "/0x%"PRIx64, to);
848                 if (PRINT_FIELD(DSO)) {
849                         printed += fprintf(fp, "(");
850                         printed += map__fprintf_dsoname(alt.map, fp);
851                         printed += fprintf(fp, ")");
852                 }
853                 printed += fprintf(fp, "/%c/%c/%c/%d ",
854                         mispred_str(br->entries + i),
855                         br->entries[i].flags.in_tx ? 'X' : '-',
856                         br->entries[i].flags.abort ? 'A' : '-',
857                         br->entries[i].flags.cycles);
858         }
859 
860         return printed;
861 }
862 #define MAXBB 16384UL
863 
864 static int grab_bb(u8 *buffer, u64 start, u64 end,
865                     struct machine *machine, struct thread *thread,
866                     bool *is64bit, u8 *cpumode, bool last)
867 {
868         long offset, len;
869         struct addr_location al;
870         bool kernel;
871 
872         if (!start || !end)
873                 return 0;
874 
875         kernel = machine__kernel_ip(machine, start);
876         if (kernel)
877                 *cpumode = PERF_RECORD_MISC_KERNEL;
878         else
879                 *cpumode = PERF_RECORD_MISC_USER;
880 
881         /*
882          * Block overlaps between kernel and user.
883          * This can happen due to ring filtering
884          * On Intel CPUs the entry into the kernel is filtered,
885          * but the exit is not. Let the caller patch it up.
886          */
887         if (kernel != machine__kernel_ip(machine, end)) {
888                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
889                 return -ENXIO;
890         }
891 
892         memset(&al, 0, sizeof(al));
893         if (end - start > MAXBB - MAXINSN) {
894                 if (last)
895                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
896                 else
897                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
898                 return 0;
899         }
900 
901         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
902                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
903                 return 0;
904         }
905         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
906                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
907                 return 0;
908         }
909 
910         /* Load maps to ensure dso->is_64_bit has been updated */
911         map__load(al.map);
912 
913         offset = al.map->map_ip(al.map, start);
914         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
915                                     end - start + MAXINSN);
916 
917         *is64bit = al.map->dso->is_64_bit;
918         if (len <= 0)
919                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
920                         start, end);
921         return len;
922 }
923 
924 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
925 {
926         struct addr_location al;
927         int ret = 0;
928 
929         memset(&al, 0, sizeof(al));
930         thread__find_map(thread, cpumode, addr, &al);
931         if (!al.map)
932                 return 0;
933         ret = map__fprintf_srccode(al.map, al.addr, stdout,
934                     &thread->srccode_state);
935         if (ret)
936                 ret += printf("\n");
937         return ret;
938 }
939 
940 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
941                             struct perf_insn *x, u8 *inbuf, int len,
942                             int insn, FILE *fp, int *total_cycles)
943 {
944         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
945                               dump_insn(x, ip, inbuf, len, NULL),
946                               en->flags.predicted ? " PRED" : "",
947                               en->flags.mispred ? " MISPRED" : "",
948                               en->flags.in_tx ? " INTX" : "",
949                               en->flags.abort ? " ABORT" : "");
950         if (en->flags.cycles) {
951                 *total_cycles += en->flags.cycles;
952                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
953                 if (insn)
954                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
955         }
956         return printed + fprintf(fp, "\n");
957 }
958 
959 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
960                            u8 cpumode, int cpu, struct symbol **lastsym,
961                            struct perf_event_attr *attr, FILE *fp)
962 {
963         struct addr_location al;
964         int off, printed = 0;
965 
966         memset(&al, 0, sizeof(al));
967 
968         thread__find_map(thread, cpumode, addr, &al);
969 
970         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
971                 return 0;
972 
973         al.cpu = cpu;
974         al.sym = NULL;
975         if (al.map)
976                 al.sym = map__find_symbol(al.map, al.addr);
977 
978         if (!al.sym)
979                 return 0;
980 
981         if (al.addr < al.sym->end)
982                 off = al.addr - al.sym->start;
983         else
984                 off = al.addr - al.map->start - al.sym->start;
985         printed += fprintf(fp, "\t%s", al.sym->name);
986         if (off)
987                 printed += fprintf(fp, "%+d", off);
988         printed += fprintf(fp, ":");
989         if (PRINT_FIELD(SRCLINE))
990                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
991         printed += fprintf(fp, "\n");
992         *lastsym = al.sym;
993 
994         return printed;
995 }
996 
997 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
998                                             struct thread *thread,
999                                             struct perf_event_attr *attr,
1000                                             struct machine *machine, FILE *fp)
1001 {
1002         struct branch_stack *br = sample->branch_stack;
1003         u64 start, end;
1004         int i, insn, len, nr, ilen, printed = 0;
1005         struct perf_insn x;
1006         u8 buffer[MAXBB];
1007         unsigned off;
1008         struct symbol *lastsym = NULL;
1009         int total_cycles = 0;
1010 
1011         if (!(br && br->nr))
1012                 return 0;
1013         nr = br->nr;
1014         if (max_blocks && nr > max_blocks + 1)
1015                 nr = max_blocks + 1;
1016 
1017         x.thread = thread;
1018         x.cpu = sample->cpu;
1019 
1020         printed += fprintf(fp, "%c", '\n');
1021 
1022         /* Handle first from jump, of which we don't know the entry. */
1023         len = grab_bb(buffer, br->entries[nr-1].from,
1024                         br->entries[nr-1].from,
1025                         machine, thread, &x.is64bit, &x.cpumode, false);
1026         if (len > 0) {
1027                 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
1028                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1029                 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
1030                                             &x, buffer, len, 0, fp, &total_cycles);
1031                 if (PRINT_FIELD(SRCCODE))
1032                         printed += print_srccode(thread, x.cpumode, br->entries[nr - 1].from);
1033         }
1034 
1035         /* Print all blocks */
1036         for (i = nr - 2; i >= 0; i--) {
1037                 if (br->entries[i].from || br->entries[i].to)
1038                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1039                                  br->entries[i].from,
1040                                  br->entries[i].to);
1041                 start = br->entries[i + 1].to;
1042                 end   = br->entries[i].from;
1043 
1044                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1045                 /* Patch up missing kernel transfers due to ring filters */
1046                 if (len == -ENXIO && i > 0) {
1047                         end = br->entries[--i].from;
1048                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1049                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1050                 }
1051                 if (len <= 0)
1052                         continue;
1053 
1054                 insn = 0;
1055                 for (off = 0;; off += ilen) {
1056                         uint64_t ip = start + off;
1057 
1058                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1059                         if (ip == end) {
1060                                 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp,
1061                                                             &total_cycles);
1062                                 if (PRINT_FIELD(SRCCODE))
1063                                         printed += print_srccode(thread, x.cpumode, ip);
1064                                 break;
1065                         } else {
1066                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1067                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1068                                 if (ilen == 0)
1069                                         break;
1070                                 if (PRINT_FIELD(SRCCODE))
1071                                         print_srccode(thread, x.cpumode, ip);
1072                                 insn++;
1073                         }
1074                 }
1075         }
1076 
1077         /*
1078          * Hit the branch? In this case we are already done, and the target
1079          * has not been executed yet.
1080          */
1081         if (br->entries[0].from == sample->ip)
1082                 goto out;
1083         if (br->entries[0].flags.abort)
1084                 goto out;
1085 
1086         /*
1087          * Print final block upto sample
1088          *
1089          * Due to pipeline delays the LBRs might be missing a branch
1090          * or two, which can result in very large or negative blocks
1091          * between final branch and sample. When this happens just
1092          * continue walking after the last TO until we hit a branch.
1093          */
1094         start = br->entries[0].to;
1095         end = sample->ip;
1096         if (end < start) {
1097                 /* Missing jump. Scan 128 bytes for the next branch */
1098                 end = start + 128;
1099         }
1100         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1101         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1102         if (len <= 0) {
1103                 /* Print at least last IP if basic block did not work */
1104                 len = grab_bb(buffer, sample->ip, sample->ip,
1105                               machine, thread, &x.is64bit, &x.cpumode, false);
1106                 if (len <= 0)
1107                         goto out;
1108                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1109                         dump_insn(&x, sample->ip, buffer, len, NULL));
1110                 if (PRINT_FIELD(SRCCODE))
1111                         print_srccode(thread, x.cpumode, sample->ip);
1112                 goto out;
1113         }
1114         for (off = 0; off <= end - start; off += ilen) {
1115                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1116                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1117                 if (ilen == 0)
1118                         break;
1119                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1120                         /*
1121                          * Hit a missing branch. Just stop.
1122                          */
1123                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1124                         break;
1125                 }
1126                 if (PRINT_FIELD(SRCCODE))
1127                         print_srccode(thread, x.cpumode, start + off);
1128         }
1129 out:
1130         return printed;
1131 }
1132 
1133 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1134                                      struct thread *thread,
1135                                      struct perf_event_attr *attr, FILE *fp)
1136 {
1137         struct addr_location al;
1138         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1139 
1140         if (!sample_addr_correlates_sym(attr))
1141                 goto out;
1142 
1143         thread__resolve(thread, &al, sample);
1144 
1145         if (PRINT_FIELD(SYM)) {
1146                 printed += fprintf(fp, " ");
1147                 if (PRINT_FIELD(SYMOFFSET))
1148                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1149                 else
1150                         printed += symbol__fprintf_symname(al.sym, fp);
1151         }
1152 
1153         if (PRINT_FIELD(DSO)) {
1154                 printed += fprintf(fp, " (");
1155                 printed += map__fprintf_dsoname(al.map, fp);
1156                 printed += fprintf(fp, ")");
1157         }
1158 out:
1159         return printed;
1160 }
1161 
1162 static const char *resolve_branch_sym(struct perf_sample *sample,
1163                                       struct perf_evsel *evsel,
1164                                       struct thread *thread,
1165                                       struct addr_location *al,
1166                                       u64 *ip)
1167 {
1168         struct addr_location addr_al;
1169         struct perf_event_attr *attr = &evsel->attr;
1170         const char *name = NULL;
1171 
1172         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1173                 if (sample_addr_correlates_sym(attr)) {
1174                         thread__resolve(thread, &addr_al, sample);
1175                         if (addr_al.sym)
1176                                 name = addr_al.sym->name;
1177                         else
1178                                 *ip = sample->addr;
1179                 } else {
1180                         *ip = sample->addr;
1181                 }
1182         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1183                 if (al->sym)
1184                         name = al->sym->name;
1185                 else
1186                         *ip = sample->ip;
1187         }
1188         return name;
1189 }
1190 
1191 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1192                                            struct perf_evsel *evsel,
1193                                            struct thread *thread,
1194                                            struct addr_location *al, FILE *fp)
1195 {
1196         struct perf_event_attr *attr = &evsel->attr;
1197         size_t depth = thread_stack__depth(thread, sample->cpu);
1198         const char *name = NULL;
1199         static int spacing;
1200         int len = 0;
1201         int dlen = 0;
1202         u64 ip = 0;
1203 
1204         /*
1205          * The 'return' has already been popped off the stack so the depth has
1206          * to be adjusted to match the 'call'.
1207          */
1208         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1209                 depth += 1;
1210 
1211         name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1212 
1213         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1214                 dlen += fprintf(fp, "(");
1215                 dlen += map__fprintf_dsoname(al->map, fp);
1216                 dlen += fprintf(fp, ")\t");
1217         }
1218 
1219         if (name)
1220                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1221         else if (ip)
1222                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1223 
1224         if (len < 0)
1225                 return len;
1226 
1227         /*
1228          * Try to keep the output length from changing frequently so that the
1229          * output lines up more nicely.
1230          */
1231         if (len > spacing || (len && len < spacing - 52))
1232                 spacing = round_up(len + 4, 32);
1233 
1234         if (len < spacing)
1235                 len += fprintf(fp, "%*s", spacing - len, "");
1236 
1237         return len + dlen;
1238 }
1239 
1240 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1241                             struct thread *thread __maybe_unused,
1242                             struct machine *machine __maybe_unused)
1243 {
1244 }
1245 
1246 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1247                                      struct perf_event_attr *attr,
1248                                      struct thread *thread,
1249                                      struct machine *machine, FILE *fp)
1250 {
1251         int printed = 0;
1252 
1253         if (sample->insn_len == 0 && native_arch)
1254                 arch_fetch_insn(sample, thread, machine);
1255 
1256         if (PRINT_FIELD(INSNLEN))
1257                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1258         if (PRINT_FIELD(INSN) && sample->insn_len) {
1259                 int i;
1260 
1261                 printed += fprintf(fp, " insn:");
1262                 for (i = 0; i < sample->insn_len; i++)
1263                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1264         }
1265         if (PRINT_FIELD(BRSTACKINSN))
1266                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1267 
1268         return printed;
1269 }
1270 
1271 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1272                                     struct perf_evsel *evsel,
1273                                     struct thread *thread,
1274                                     struct addr_location *al,
1275                                     struct machine *machine, FILE *fp)
1276 {
1277         struct perf_event_attr *attr = &evsel->attr;
1278         unsigned int type = output_type(attr->type);
1279         bool print_srcline_last = false;
1280         int printed = 0;
1281 
1282         if (PRINT_FIELD(CALLINDENT))
1283                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1284 
1285         /* print branch_from information */
1286         if (PRINT_FIELD(IP)) {
1287                 unsigned int print_opts = output[type].print_ip_opts;
1288                 struct callchain_cursor *cursor = NULL;
1289 
1290                 if (symbol_conf.use_callchain && sample->callchain &&
1291                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1292                                               sample, NULL, NULL, scripting_max_stack) == 0)
1293                         cursor = &callchain_cursor;
1294 
1295                 if (cursor == NULL) {
1296                         printed += fprintf(fp, " ");
1297                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1298                                 print_srcline_last = true;
1299                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1300                         }
1301                 } else
1302                         printed += fprintf(fp, "\n");
1303 
1304                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1305         }
1306 
1307         /* print branch_to information */
1308         if (PRINT_FIELD(ADDR) ||
1309             ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1310              !output[type].user_set)) {
1311                 printed += fprintf(fp, " => ");
1312                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1313         }
1314 
1315         if (print_srcline_last)
1316                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1317 
1318         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1319         printed += fprintf(fp, "\n");
1320         if (PRINT_FIELD(SRCCODE)) {
1321                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1322                                          &thread->srccode_state);
1323                 if (ret) {
1324                         printed += ret;
1325                         printed += printf("\n");
1326                 }
1327         }
1328         return printed;
1329 }
1330 
1331 static struct {
1332         u32 flags;
1333         const char *name;
1334 } sample_flags[] = {
1335         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1336         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1337         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1338         {PERF_IP_FLAG_BRANCH, "jmp"},
1339         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1340         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1341         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1342         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1343         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1344         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1345         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1346         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1347         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1348         {0, NULL}
1349 };
1350 
1351 static const char *sample_flags_to_name(u32 flags)
1352 {
1353         int i;
1354 
1355         for (i = 0; sample_flags[i].name ; i++) {
1356                 if (sample_flags[i].flags == flags)
1357                         return sample_flags[i].name;
1358         }
1359 
1360         return NULL;
1361 }
1362 
1363 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1364 {
1365         const char *chars = PERF_IP_FLAG_CHARS;
1366         const int n = strlen(PERF_IP_FLAG_CHARS);
1367         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1368         const char *name = NULL;
1369         char str[33];
1370         int i, pos = 0;
1371 
1372         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1373         if (name)
1374                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1375 
1376         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1377                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1378                 if (name)
1379                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1380         }
1381 
1382         if (flags & PERF_IP_FLAG_TRACE_END) {
1383                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1384                 if (name)
1385                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1386         }
1387 
1388         for (i = 0; i < n; i++, flags >>= 1) {
1389                 if (flags & 1)
1390                         str[pos++] = chars[i];
1391         }
1392         for (; i < 32; i++, flags >>= 1) {
1393                 if (flags & 1)
1394                         str[pos++] = '?';
1395         }
1396         str[pos] = 0;
1397 
1398         return fprintf(fp, "  %-19s ", str);
1399 }
1400 
1401 struct printer_data {
1402         int line_no;
1403         bool hit_nul;
1404         bool is_printable;
1405 };
1406 
1407 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1408                                       unsigned int val,
1409                                       void *extra, FILE *fp)
1410 {
1411         unsigned char ch = (unsigned char)val;
1412         struct printer_data *printer_data = extra;
1413         int printed = 0;
1414 
1415         switch (op) {
1416         case BINARY_PRINT_DATA_BEGIN:
1417                 printed += fprintf(fp, "\n");
1418                 break;
1419         case BINARY_PRINT_LINE_BEGIN:
1420                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1421                                                         "           ");
1422                 break;
1423         case BINARY_PRINT_ADDR:
1424                 printed += fprintf(fp, " %04x:", val);
1425                 break;
1426         case BINARY_PRINT_NUM_DATA:
1427                 printed += fprintf(fp, " %02x", val);
1428                 break;
1429         case BINARY_PRINT_NUM_PAD:
1430                 printed += fprintf(fp, "   ");
1431                 break;
1432         case BINARY_PRINT_SEP:
1433                 printed += fprintf(fp, "  ");
1434                 break;
1435         case BINARY_PRINT_CHAR_DATA:
1436                 if (printer_data->hit_nul && ch)
1437                         printer_data->is_printable = false;
1438 
1439                 if (!isprint(ch)) {
1440                         printed += fprintf(fp, "%c", '.');
1441 
1442                         if (!printer_data->is_printable)
1443                                 break;
1444 
1445                         if (ch == '\0')
1446                                 printer_data->hit_nul = true;
1447                         else
1448                                 printer_data->is_printable = false;
1449                 } else {
1450                         printed += fprintf(fp, "%c", ch);
1451                 }
1452                 break;
1453         case BINARY_PRINT_CHAR_PAD:
1454                 printed += fprintf(fp, " ");
1455                 break;
1456         case BINARY_PRINT_LINE_END:
1457                 printed += fprintf(fp, "\n");
1458                 printer_data->line_no++;
1459                 break;
1460         case BINARY_PRINT_DATA_END:
1461         default:
1462                 break;
1463         }
1464 
1465         return printed;
1466 }
1467 
1468 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1469 {
1470         unsigned int nr_bytes = sample->raw_size;
1471         struct printer_data printer_data = {0, false, true};
1472         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1473                                       sample__fprintf_bpf_output, &printer_data, fp);
1474 
1475         if (printer_data.is_printable && printer_data.hit_nul)
1476                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1477 
1478         return printed;
1479 }
1480 
1481 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1482 {
1483         if (len > 0 && len < spacing)
1484                 return fprintf(fp, "%*s", spacing - len, "");
1485 
1486         return 0;
1487 }
1488 
1489 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1490 {
1491         return perf_sample__fprintf_spacing(len, 34, fp);
1492 }
1493 
1494 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1495 {
1496         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1497         int len;
1498 
1499         if (perf_sample__bad_synth_size(sample, *data))
1500                 return 0;
1501 
1502         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1503                      data->ip, le64_to_cpu(data->payload));
1504         return len + perf_sample__fprintf_pt_spacing(len, fp);
1505 }
1506 
1507 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1508 {
1509         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1510         int len;
1511 
1512         if (perf_sample__bad_synth_size(sample, *data))
1513                 return 0;
1514 
1515         len = fprintf(fp, " hints: %#x extensions: %#x ",
1516                       data->hints, data->extensions);
1517         return len + perf_sample__fprintf_pt_spacing(len, fp);
1518 }
1519 
1520 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1521 {
1522         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1523         int len;
1524 
1525         if (perf_sample__bad_synth_size(sample, *data))
1526                 return 0;
1527 
1528         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1529                       data->hw, data->cstate, data->subcstate);
1530         return len + perf_sample__fprintf_pt_spacing(len, fp);
1531 }
1532 
1533 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1534 {
1535         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1536         int len;
1537 
1538         if (perf_sample__bad_synth_size(sample, *data))
1539                 return 0;
1540 
1541         len = fprintf(fp, " IP: %u ", data->ip);
1542         return len + perf_sample__fprintf_pt_spacing(len, fp);
1543 }
1544 
1545 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1546 {
1547         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1548         int len;
1549 
1550         if (perf_sample__bad_synth_size(sample, *data))
1551                 return 0;
1552 
1553         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1554                      data->deepest_cstate, data->last_cstate,
1555                      data->wake_reason);
1556         return len + perf_sample__fprintf_pt_spacing(len, fp);
1557 }
1558 
1559 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1560 {
1561         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1562         unsigned int percent, freq;
1563         int len;
1564 
1565         if (perf_sample__bad_synth_size(sample, *data))
1566                 return 0;
1567 
1568         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1569         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1570         if (data->max_nonturbo) {
1571                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1572                 len += fprintf(fp, "(%3u%%) ", percent);
1573         }
1574         return len + perf_sample__fprintf_pt_spacing(len, fp);
1575 }
1576 
1577 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1578                                       struct perf_evsel *evsel, FILE *fp)
1579 {
1580         switch (evsel->attr.config) {
1581         case PERF_SYNTH_INTEL_PTWRITE:
1582                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1583         case PERF_SYNTH_INTEL_MWAIT:
1584                 return perf_sample__fprintf_synth_mwait(sample, fp);
1585         case PERF_SYNTH_INTEL_PWRE:
1586                 return perf_sample__fprintf_synth_pwre(sample, fp);
1587         case PERF_SYNTH_INTEL_EXSTOP:
1588                 return perf_sample__fprintf_synth_exstop(sample, fp);
1589         case PERF_SYNTH_INTEL_PWRX:
1590                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1591         case PERF_SYNTH_INTEL_CBR:
1592                 return perf_sample__fprintf_synth_cbr(sample, fp);
1593         default:
1594                 break;
1595         }
1596 
1597         return 0;
1598 }
1599 
1600 struct perf_script {
1601         struct perf_tool        tool;
1602         struct perf_session     *session;
1603         bool                    show_task_events;
1604         bool                    show_mmap_events;
1605         bool                    show_switch_events;
1606         bool                    show_namespace_events;
1607         bool                    show_lost_events;
1608         bool                    show_round_events;
1609         bool                    allocated;
1610         bool                    per_event_dump;
1611         struct cpu_map          *cpus;
1612         struct thread_map       *threads;
1613         int                     name_width;
1614         const char              *time_str;
1615         struct perf_time_interval *ptime_range;
1616         int                     range_size;
1617         int                     range_num;
1618 };
1619 
1620 static int perf_evlist__max_name_len(struct perf_evlist *evlist)
1621 {
1622         struct perf_evsel *evsel;
1623         int max = 0;
1624 
1625         evlist__for_each_entry(evlist, evsel) {
1626                 int len = strlen(perf_evsel__name(evsel));
1627 
1628                 max = MAX(len, max);
1629         }
1630 
1631         return max;
1632 }
1633 
1634 static int data_src__fprintf(u64 data_src, FILE *fp)
1635 {
1636         struct mem_info mi = { .data_src.val = data_src };
1637         char decode[100];
1638         char out[100];
1639         static int maxlen;
1640         int len;
1641 
1642         perf_script__meminfo_scnprintf(decode, 100, &mi);
1643 
1644         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1645         if (maxlen < len)
1646                 maxlen = len;
1647 
1648         return fprintf(fp, "%-*s", maxlen, out);
1649 }
1650 
1651 struct metric_ctx {
1652         struct perf_sample      *sample;
1653         struct thread           *thread;
1654         struct perf_evsel       *evsel;
1655         FILE                    *fp;
1656 };
1657 
1658 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1659                                 void *ctx, const char *color,
1660                                 const char *fmt,
1661                                 const char *unit, double val)
1662 {
1663         struct metric_ctx *mctx = ctx;
1664 
1665         if (!fmt)
1666                 return;
1667         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1668                                    PERF_RECORD_SAMPLE, mctx->fp);
1669         fputs("\tmetric: ", mctx->fp);
1670         if (color)
1671                 color_fprintf(mctx->fp, color, fmt, val);
1672         else
1673                 printf(fmt, val);
1674         fprintf(mctx->fp, " %s\n", unit);
1675 }
1676 
1677 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1678                             void *ctx)
1679 {
1680         struct metric_ctx *mctx = ctx;
1681 
1682         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1683                                    PERF_RECORD_SAMPLE, mctx->fp);
1684         fputs("\tmetric: ", mctx->fp);
1685 }
1686 
1687 static void perf_sample__fprint_metric(struct perf_script *script,
1688                                        struct thread *thread,
1689                                        struct perf_evsel *evsel,
1690                                        struct perf_sample *sample,
1691                                        FILE *fp)
1692 {
1693         struct perf_stat_output_ctx ctx = {
1694                 .print_metric = script_print_metric,
1695                 .new_line = script_new_line,
1696                 .ctx = &(struct metric_ctx) {
1697                                 .sample = sample,
1698                                 .thread = thread,
1699                                 .evsel  = evsel,
1700                                 .fp     = fp,
1701                          },
1702                 .force_header = false,
1703         };
1704         struct perf_evsel *ev2;
1705         u64 val;
1706 
1707         if (!evsel->stats)
1708                 perf_evlist__alloc_stats(script->session->evlist, false);
1709         if (evsel_script(evsel->leader)->gnum++ == 0)
1710                 perf_stat__reset_shadow_stats();
1711         val = sample->period * evsel->scale;
1712         perf_stat__update_shadow_stats(evsel,
1713                                        val,
1714                                        sample->cpu,
1715                                        &rt_stat);
1716         evsel_script(evsel)->val = val;
1717         if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
1718                 for_each_group_member (ev2, evsel->leader) {
1719                         perf_stat__print_shadow_stats(&stat_config, ev2,
1720                                                       evsel_script(ev2)->val,
1721                                                       sample->cpu,
1722                                                       &ctx,
1723                                                       NULL,
1724                                                       &rt_stat);
1725                 }
1726                 evsel_script(evsel->leader)->gnum = 0;
1727         }
1728 }
1729 
1730 static bool show_event(struct perf_sample *sample,
1731                        struct perf_evsel *evsel,
1732                        struct thread *thread,
1733                        struct addr_location *al)
1734 {
1735         int depth = thread_stack__depth(thread, sample->cpu);
1736 
1737         if (!symbol_conf.graph_function)
1738                 return true;
1739 
1740         if (thread->filter) {
1741                 if (depth <= thread->filter_entry_depth) {
1742                         thread->filter = false;
1743                         return false;
1744                 }
1745                 return true;
1746         } else {
1747                 const char *s = symbol_conf.graph_function;
1748                 u64 ip;
1749                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1750                                 &ip);
1751                 unsigned nlen;
1752 
1753                 if (!name)
1754                         return false;
1755                 nlen = strlen(name);
1756                 while (*s) {
1757                         unsigned len = strcspn(s, ",");
1758                         if (nlen == len && !strncmp(name, s, len)) {
1759                                 thread->filter = true;
1760                                 thread->filter_entry_depth = depth;
1761                                 return true;
1762                         }
1763                         s += len;
1764                         if (*s == ',')
1765                                 s++;
1766                 }
1767                 return false;
1768         }
1769 }
1770 
1771 static void process_event(struct perf_script *script,
1772                           struct perf_sample *sample, struct perf_evsel *evsel,
1773                           struct addr_location *al,
1774                           struct machine *machine)
1775 {
1776         struct thread *thread = al->thread;
1777         struct perf_event_attr *attr = &evsel->attr;
1778         unsigned int type = output_type(attr->type);
1779         struct perf_evsel_script *es = evsel->priv;
1780         FILE *fp = es->fp;
1781 
1782         if (output[type].fields == 0)
1783                 return;
1784 
1785         if (!show_event(sample, evsel, thread, al))
1786                 return;
1787 
1788         ++es->samples;
1789 
1790         perf_sample__fprintf_start(sample, thread, evsel,
1791                                    PERF_RECORD_SAMPLE, fp);
1792 
1793         if (PRINT_FIELD(PERIOD))
1794                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1795 
1796         if (PRINT_FIELD(EVNAME)) {
1797                 const char *evname = perf_evsel__name(evsel);
1798 
1799                 if (!script->name_width)
1800                         script->name_width = perf_evlist__max_name_len(script->session->evlist);
1801 
1802                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1803         }
1804 
1805         if (print_flags)
1806                 perf_sample__fprintf_flags(sample->flags, fp);
1807 
1808         if (is_bts_event(attr)) {
1809                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1810                 return;
1811         }
1812 
1813         if (PRINT_FIELD(TRACE) && sample->raw_data) {
1814                 event_format__fprintf(evsel->tp_format, sample->cpu,
1815                                       sample->raw_data, sample->raw_size, fp);
1816         }
1817 
1818         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1819                 perf_sample__fprintf_synth(sample, evsel, fp);
1820 
1821         if (PRINT_FIELD(ADDR))
1822                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1823 
1824         if (PRINT_FIELD(DATA_SRC))
1825                 data_src__fprintf(sample->data_src, fp);
1826 
1827         if (PRINT_FIELD(WEIGHT))
1828                 fprintf(fp, "%16" PRIu64, sample->weight);
1829 
1830         if (PRINT_FIELD(IP)) {
1831                 struct callchain_cursor *cursor = NULL;
1832 
1833                 if (symbol_conf.use_callchain && sample->callchain &&
1834                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1835                                               sample, NULL, NULL, scripting_max_stack) == 0)
1836                         cursor = &callchain_cursor;
1837 
1838                 fputc(cursor ? '\n' : ' ', fp);
1839                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1840         }
1841 
1842         if (PRINT_FIELD(IREGS))
1843                 perf_sample__fprintf_iregs(sample, attr, fp);
1844 
1845         if (PRINT_FIELD(UREGS))
1846                 perf_sample__fprintf_uregs(sample, attr, fp);
1847 
1848         if (PRINT_FIELD(BRSTACK))
1849                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1850         else if (PRINT_FIELD(BRSTACKSYM))
1851                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1852         else if (PRINT_FIELD(BRSTACKOFF))
1853                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1854 
1855         if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1856                 perf_sample__fprintf_bpf_output(sample, fp);
1857         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1858 
1859         if (PRINT_FIELD(PHYS_ADDR))
1860                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1861         fprintf(fp, "\n");
1862 
1863         if (PRINT_FIELD(SRCCODE)) {
1864                 if (map__fprintf_srccode(al->map, al->addr, stdout,
1865                                          &thread->srccode_state))
1866                         printf("\n");
1867         }
1868 
1869         if (PRINT_FIELD(METRIC))
1870                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1871 
1872         if (verbose)
1873                 fflush(fp);
1874 }
1875 
1876 static struct scripting_ops     *scripting_ops;
1877 
1878 static void __process_stat(struct perf_evsel *counter, u64 tstamp)
1879 {
1880         int nthreads = thread_map__nr(counter->threads);
1881         int ncpus = perf_evsel__nr_cpus(counter);
1882         int cpu, thread;
1883         static int header_printed;
1884 
1885         if (counter->system_wide)
1886                 nthreads = 1;
1887 
1888         if (!header_printed) {
1889                 printf("%3s %8s %15s %15s %15s %15s %s\n",
1890                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1891                 header_printed = 1;
1892         }
1893 
1894         for (thread = 0; thread < nthreads; thread++) {
1895                 for (cpu = 0; cpu < ncpus; cpu++) {
1896                         struct perf_counts_values *counts;
1897 
1898                         counts = perf_counts(counter->counts, cpu, thread);
1899 
1900                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1901                                 counter->cpus->map[cpu],
1902                                 thread_map__pid(counter->threads, thread),
1903                                 counts->val,
1904                                 counts->ena,
1905                                 counts->run,
1906                                 tstamp,
1907                                 perf_evsel__name(counter));
1908                 }
1909         }
1910 }
1911 
1912 static void process_stat(struct perf_evsel *counter, u64 tstamp)
1913 {
1914         if (scripting_ops && scripting_ops->process_stat)
1915                 scripting_ops->process_stat(&stat_config, counter, tstamp);
1916         else
1917                 __process_stat(counter, tstamp);
1918 }
1919 
1920 static void process_stat_interval(u64 tstamp)
1921 {
1922         if (scripting_ops && scripting_ops->process_stat_interval)
1923                 scripting_ops->process_stat_interval(tstamp);
1924 }
1925 
1926 static void setup_scripting(void)
1927 {
1928         setup_perl_scripting();
1929         setup_python_scripting();
1930 }
1931 
1932 static int flush_scripting(void)
1933 {
1934         return scripting_ops ? scripting_ops->flush_script() : 0;
1935 }
1936 
1937 static int cleanup_scripting(void)
1938 {
1939         pr_debug("\nperf script stopped\n");
1940 
1941         return scripting_ops ? scripting_ops->stop_script() : 0;
1942 }
1943 
1944 static bool filter_cpu(struct perf_sample *sample)
1945 {
1946         if (cpu_list)
1947                 return !test_bit(sample->cpu, cpu_bitmap);
1948         return false;
1949 }
1950 
1951 static int process_sample_event(struct perf_tool *tool,
1952                                 union perf_event *event,
1953                                 struct perf_sample *sample,
1954                                 struct perf_evsel *evsel,
1955                                 struct machine *machine)
1956 {
1957         struct perf_script *scr = container_of(tool, struct perf_script, tool);
1958         struct addr_location al;
1959 
1960         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
1961                                           sample->time)) {
1962                 return 0;
1963         }
1964 
1965         if (debug_mode) {
1966                 if (sample->time < last_timestamp) {
1967                         pr_err("Samples misordered, previous: %" PRIu64
1968                                 " this: %" PRIu64 "\n", last_timestamp,
1969                                 sample->time);
1970                         nr_unordered++;
1971                 }
1972                 last_timestamp = sample->time;
1973                 return 0;
1974         }
1975 
1976         if (machine__resolve(machine, &al, sample) < 0) {
1977                 pr_err("problem processing %d event, skipping it.\n",
1978                        event->header.type);
1979                 return -1;
1980         }
1981 
1982         if (al.filtered)
1983                 goto out_put;
1984 
1985         if (filter_cpu(sample))
1986                 goto out_put;
1987 
1988         if (scripting_ops)
1989                 scripting_ops->process_event(event, sample, evsel, &al);
1990         else
1991                 process_event(scr, sample, evsel, &al, machine);
1992 
1993 out_put:
1994         addr_location__put(&al);
1995         return 0;
1996 }
1997 
1998 static int process_attr(struct perf_tool *tool, union perf_event *event,
1999                         struct perf_evlist **pevlist)
2000 {
2001         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2002         struct perf_evlist *evlist;
2003         struct perf_evsel *evsel, *pos;
2004         int err;
2005         static struct perf_evsel_script *es;
2006 
2007         err = perf_event__process_attr(tool, event, pevlist);
2008         if (err)
2009                 return err;
2010 
2011         evlist = *pevlist;
2012         evsel = perf_evlist__last(*pevlist);
2013 
2014         if (!evsel->priv) {
2015                 if (scr->per_event_dump) {
2016                         evsel->priv = perf_evsel_script__new(evsel,
2017                                                 scr->session->data);
2018                 } else {
2019                         es = zalloc(sizeof(*es));
2020                         if (!es)
2021                                 return -ENOMEM;
2022                         es->fp = stdout;
2023                         evsel->priv = es;
2024                 }
2025         }
2026 
2027         if (evsel->attr.type >= PERF_TYPE_MAX &&
2028             evsel->attr.type != PERF_TYPE_SYNTH)
2029                 return 0;
2030 
2031         evlist__for_each_entry(evlist, pos) {
2032                 if (pos->attr.type == evsel->attr.type && pos != evsel)
2033                         return 0;
2034         }
2035 
2036         set_print_ip_opts(&evsel->attr);
2037 
2038         if (evsel->attr.sample_type)
2039                 err = perf_evsel__check_attr(evsel, scr->session);
2040 
2041         return err;
2042 }
2043 
2044 static int process_comm_event(struct perf_tool *tool,
2045                               union perf_event *event,
2046                               struct perf_sample *sample,
2047                               struct machine *machine)
2048 {
2049         struct thread *thread;
2050         struct perf_script *script = container_of(tool, struct perf_script, tool);
2051         struct perf_session *session = script->session;
2052         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2053         int ret = -1;
2054 
2055         thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
2056         if (thread == NULL) {
2057                 pr_debug("problem processing COMM event, skipping it.\n");
2058                 return -1;
2059         }
2060 
2061         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2062                 goto out;
2063 
2064         if (!evsel->attr.sample_id_all) {
2065                 sample->cpu = 0;
2066                 sample->time = 0;
2067                 sample->tid = event->comm.tid;
2068                 sample->pid = event->comm.pid;
2069         }
2070         if (!filter_cpu(sample)) {
2071                 perf_sample__fprintf_start(sample, thread, evsel,
2072                                    PERF_RECORD_COMM, stdout);
2073                 perf_event__fprintf(event, stdout);
2074         }
2075         ret = 0;
2076 out:
2077         thread__put(thread);
2078         return ret;
2079 }
2080 
2081 static int process_namespaces_event(struct perf_tool *tool,
2082                                     union perf_event *event,
2083                                     struct perf_sample *sample,
2084                                     struct machine *machine)
2085 {
2086         struct thread *thread;
2087         struct perf_script *script = container_of(tool, struct perf_script, tool);
2088         struct perf_session *session = script->session;
2089         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2090         int ret = -1;
2091 
2092         thread = machine__findnew_thread(machine, event->namespaces.pid,
2093                                          event->namespaces.tid);
2094         if (thread == NULL) {
2095                 pr_debug("problem processing NAMESPACES event, skipping it.\n");
2096                 return -1;
2097         }
2098 
2099         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2100                 goto out;
2101 
2102         if (!evsel->attr.sample_id_all) {
2103                 sample->cpu = 0;
2104                 sample->time = 0;
2105                 sample->tid = event->namespaces.tid;
2106                 sample->pid = event->namespaces.pid;
2107         }
2108         if (!filter_cpu(sample)) {
2109                 perf_sample__fprintf_start(sample, thread, evsel,
2110                                            PERF_RECORD_NAMESPACES, stdout);
2111                 perf_event__fprintf(event, stdout);
2112         }
2113         ret = 0;
2114 out:
2115         thread__put(thread);
2116         return ret;
2117 }
2118 
2119 static int process_fork_event(struct perf_tool *tool,
2120                               union perf_event *event,
2121                               struct perf_sample *sample,
2122                               struct machine *machine)
2123 {
2124         struct thread *thread;
2125         struct perf_script *script = container_of(tool, struct perf_script, tool);
2126         struct perf_session *session = script->session;
2127         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2128 
2129         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2130                 return -1;
2131 
2132         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2133         if (thread == NULL) {
2134                 pr_debug("problem processing FORK event, skipping it.\n");
2135                 return -1;
2136         }
2137 
2138         if (!evsel->attr.sample_id_all) {
2139                 sample->cpu = 0;
2140                 sample->time = event->fork.time;
2141                 sample->tid = event->fork.tid;
2142                 sample->pid = event->fork.pid;
2143         }
2144         if (!filter_cpu(sample)) {
2145                 perf_sample__fprintf_start(sample, thread, evsel,
2146                                            PERF_RECORD_FORK, stdout);
2147                 perf_event__fprintf(event, stdout);
2148         }
2149         thread__put(thread);
2150 
2151         return 0;
2152 }
2153 static int process_exit_event(struct perf_tool *tool,
2154                               union perf_event *event,
2155                               struct perf_sample *sample,
2156                               struct machine *machine)
2157 {
2158         int err = 0;
2159         struct thread *thread;
2160         struct perf_script *script = container_of(tool, struct perf_script, tool);
2161         struct perf_session *session = script->session;
2162         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2163 
2164         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2165         if (thread == NULL) {
2166                 pr_debug("problem processing EXIT event, skipping it.\n");
2167                 return -1;
2168         }
2169 
2170         if (!evsel->attr.sample_id_all) {
2171                 sample->cpu = 0;
2172                 sample->time = 0;
2173                 sample->tid = event->fork.tid;
2174                 sample->pid = event->fork.pid;
2175         }
2176         if (!filter_cpu(sample)) {
2177                 perf_sample__fprintf_start(sample, thread, evsel,
2178                                            PERF_RECORD_EXIT, stdout);
2179                 perf_event__fprintf(event, stdout);
2180         }
2181 
2182         if (perf_event__process_exit(tool, event, sample, machine) < 0)
2183                 err = -1;
2184 
2185         thread__put(thread);
2186         return err;
2187 }
2188 
2189 static int process_mmap_event(struct perf_tool *tool,
2190                               union perf_event *event,
2191                               struct perf_sample *sample,
2192                               struct machine *machine)
2193 {
2194         struct thread *thread;
2195         struct perf_script *script = container_of(tool, struct perf_script, tool);
2196         struct perf_session *session = script->session;
2197         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2198 
2199         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2200                 return -1;
2201 
2202         thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2203         if (thread == NULL) {
2204                 pr_debug("problem processing MMAP event, skipping it.\n");
2205                 return -1;
2206         }
2207 
2208         if (!evsel->attr.sample_id_all) {
2209                 sample->cpu = 0;
2210                 sample->time = 0;
2211                 sample->tid = event->mmap.tid;
2212                 sample->pid = event->mmap.pid;
2213         }
2214         if (!filter_cpu(sample)) {
2215                 perf_sample__fprintf_start(sample, thread, evsel,
2216                                            PERF_RECORD_MMAP, stdout);
2217                 perf_event__fprintf(event, stdout);
2218         }
2219         thread__put(thread);
2220         return 0;
2221 }
2222 
2223 static int process_mmap2_event(struct perf_tool *tool,
2224                               union perf_event *event,
2225                               struct perf_sample *sample,
2226                               struct machine *machine)
2227 {
2228         struct thread *thread;
2229         struct perf_script *script = container_of(tool, struct perf_script, tool);
2230         struct perf_session *session = script->session;
2231         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2232 
2233         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2234                 return -1;
2235 
2236         thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2237         if (thread == NULL) {
2238                 pr_debug("problem processing MMAP2 event, skipping it.\n");
2239                 return -1;
2240         }
2241 
2242         if (!evsel->attr.sample_id_all) {
2243                 sample->cpu = 0;
2244                 sample->time = 0;
2245                 sample->tid = event->mmap2.tid;
2246                 sample->pid = event->mmap2.pid;
2247         }
2248         if (!filter_cpu(sample)) {
2249                 perf_sample__fprintf_start(sample, thread, evsel,
2250                                            PERF_RECORD_MMAP2, stdout);
2251                 perf_event__fprintf(event, stdout);
2252         }
2253         thread__put(thread);
2254         return 0;
2255 }
2256 
2257 static int process_switch_event(struct perf_tool *tool,
2258                                 union perf_event *event,
2259                                 struct perf_sample *sample,
2260                                 struct machine *machine)
2261 {
2262         struct thread *thread;
2263         struct perf_script *script = container_of(tool, struct perf_script, tool);
2264         struct perf_session *session = script->session;
2265         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2266 
2267         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2268                 return -1;
2269 
2270         thread = machine__findnew_thread(machine, sample->pid,
2271                                          sample->tid);
2272         if (thread == NULL) {
2273                 pr_debug("problem processing SWITCH event, skipping it.\n");
2274                 return -1;
2275         }
2276 
2277         if (!filter_cpu(sample)) {
2278                 perf_sample__fprintf_start(sample, thread, evsel,
2279                                            PERF_RECORD_SWITCH, stdout);
2280                 perf_event__fprintf(event, stdout);
2281         }
2282         thread__put(thread);
2283         return 0;
2284 }
2285 
2286 static int
2287 process_lost_event(struct perf_tool *tool,
2288                    union perf_event *event,
2289                    struct perf_sample *sample,
2290                    struct machine *machine)
2291 {
2292         struct perf_script *script = container_of(tool, struct perf_script, tool);
2293         struct perf_session *session = script->session;
2294         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2295         struct thread *thread;
2296 
2297         thread = machine__findnew_thread(machine, sample->pid,
2298                                          sample->tid);
2299         if (thread == NULL)
2300                 return -1;
2301 
2302         if (!filter_cpu(sample)) {
2303                 perf_sample__fprintf_start(sample, thread, evsel,
2304                                            PERF_RECORD_LOST, stdout);
2305                 perf_event__fprintf(event, stdout);
2306         }
2307         thread__put(thread);
2308         return 0;
2309 }
2310 
2311 static int
2312 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2313                              union perf_event *event,
2314                              struct ordered_events *oe __maybe_unused)
2315 
2316 {
2317         perf_event__fprintf(event, stdout);
2318         return 0;
2319 }
2320 
2321 static void sig_handler(int sig __maybe_unused)
2322 {
2323         session_done = 1;
2324 }
2325 
2326 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2327 {
2328         struct perf_evlist *evlist = script->session->evlist;
2329         struct perf_evsel *evsel;
2330 
2331         evlist__for_each_entry(evlist, evsel) {
2332                 if (!evsel->priv)
2333                         break;
2334                 perf_evsel_script__delete(evsel->priv);
2335                 evsel->priv = NULL;
2336         }
2337 }
2338 
2339 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2340 {
2341         struct perf_evsel *evsel;
2342 
2343         evlist__for_each_entry(script->session->evlist, evsel) {
2344                 /*
2345                  * Already setup? I.e. we may be called twice in cases like
2346                  * Intel PT, one for the intel_pt// and dummy events, then
2347                  * for the evsels syntheized from the auxtrace info.
2348                  *
2349                  * Ses perf_script__process_auxtrace_info.
2350                  */
2351                 if (evsel->priv != NULL)
2352                         continue;
2353 
2354                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2355                 if (evsel->priv == NULL)
2356                         goto out_err_fclose;
2357         }
2358 
2359         return 0;
2360 
2361 out_err_fclose:
2362         perf_script__fclose_per_event_dump(script);
2363         return -1;
2364 }
2365 
2366 static int perf_script__setup_per_event_dump(struct perf_script *script)
2367 {
2368         struct perf_evsel *evsel;
2369         static struct perf_evsel_script es_stdout;
2370 
2371         if (script->per_event_dump)
2372                 return perf_script__fopen_per_event_dump(script);
2373 
2374         es_stdout.fp = stdout;
2375 
2376         evlist__for_each_entry(script->session->evlist, evsel)
2377                 evsel->priv = &es_stdout;
2378 
2379         return 0;
2380 }
2381 
2382 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2383 {
2384         struct perf_evsel *evsel;
2385 
2386         evlist__for_each_entry(script->session->evlist, evsel) {
2387                 struct perf_evsel_script *es = evsel->priv;
2388 
2389                 perf_evsel_script__fprintf(es, stdout);
2390                 perf_evsel_script__delete(es);
2391                 evsel->priv = NULL;
2392         }
2393 }
2394 
2395 static int __cmd_script(struct perf_script *script)
2396 {
2397         int ret;
2398 
2399         signal(SIGINT, sig_handler);
2400 
2401         perf_stat__init_shadow_stats();
2402 
2403         /* override event processing functions */
2404         if (script->show_task_events) {
2405                 script->tool.comm = process_comm_event;
2406                 script->tool.fork = process_fork_event;
2407                 script->tool.exit = process_exit_event;
2408         }
2409         if (script->show_mmap_events) {
2410                 script->tool.mmap = process_mmap_event;
2411                 script->tool.mmap2 = process_mmap2_event;
2412         }
2413         if (script->show_switch_events)
2414                 script->tool.context_switch = process_switch_event;
2415         if (script->show_namespace_events)
2416                 script->tool.namespaces = process_namespaces_event;
2417         if (script->show_lost_events)
2418                 script->tool.lost = process_lost_event;
2419         if (script->show_round_events) {
2420                 script->tool.ordered_events = false;
2421                 script->tool.finished_round = process_finished_round_event;
2422         }
2423 
2424         if (perf_script__setup_per_event_dump(script)) {
2425                 pr_err("Couldn't create the per event dump files\n");
2426                 return -1;
2427         }
2428 
2429         ret = perf_session__process_events(script->session);
2430 
2431         if (script->per_event_dump)
2432                 perf_script__exit_per_event_dump_stats(script);
2433 
2434         if (debug_mode)
2435                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2436 
2437         return ret;
2438 }
2439 
2440 struct script_spec {
2441         struct list_head        node;
2442         struct scripting_ops    *ops;
2443         char                    spec[0];
2444 };
2445 
2446 static LIST_HEAD(script_specs);
2447 
2448 static struct script_spec *script_spec__new(const char *spec,
2449                                             struct scripting_ops *ops)
2450 {
2451         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2452 
2453         if (s != NULL) {
2454                 strcpy(s->spec, spec);
2455                 s->ops = ops;
2456         }
2457 
2458         return s;
2459 }
2460 
2461 static void script_spec__add(struct script_spec *s)
2462 {
2463         list_add_tail(&s->node, &script_specs);
2464 }
2465 
2466 static struct script_spec *script_spec__find(const char *spec)
2467 {
2468         struct script_spec *s;
2469 
2470         list_for_each_entry(s, &script_specs, node)
2471                 if (strcasecmp(s->spec, spec) == 0)
2472                         return s;
2473         return NULL;
2474 }
2475 
2476 int script_spec_register(const char *spec, struct scripting_ops *ops)
2477 {
2478         struct script_spec *s;
2479 
2480         s = script_spec__find(spec);
2481         if (s)
2482                 return -1;
2483 
2484         s = script_spec__new(spec, ops);
2485         if (!s)
2486                 return -1;
2487         else
2488                 script_spec__add(s);
2489 
2490         return 0;
2491 }
2492 
2493 static struct scripting_ops *script_spec__lookup(const char *spec)
2494 {
2495         struct script_spec *s = script_spec__find(spec);
2496         if (!s)
2497                 return NULL;
2498 
2499         return s->ops;
2500 }
2501 
2502 static void list_available_languages(void)
2503 {
2504         struct script_spec *s;
2505 
2506         fprintf(stderr, "\n");
2507         fprintf(stderr, "Scripting language extensions (used in "
2508                 "perf script -s [spec:]script.[spec]):\n\n");
2509 
2510         list_for_each_entry(s, &script_specs, node)
2511                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2512 
2513         fprintf(stderr, "\n");
2514 }
2515 
2516 static int parse_scriptname(const struct option *opt __maybe_unused,
2517                             const char *str, int unset __maybe_unused)
2518 {
2519         char spec[PATH_MAX];
2520         const char *script, *ext;
2521         int len;
2522 
2523         if (strcmp(str, "lang") == 0) {
2524                 list_available_languages();
2525                 exit(0);
2526         }
2527 
2528         script = strchr(str, ':');
2529         if (script) {
2530                 len = script - str;
2531                 if (len >= PATH_MAX) {
2532                         fprintf(stderr, "invalid language specifier");
2533                         return -1;
2534                 }
2535                 strncpy(spec, str, len);
2536                 spec[len] = '\0';
2537                 scripting_ops = script_spec__lookup(spec);
2538                 if (!scripting_ops) {
2539                         fprintf(stderr, "invalid language specifier");
2540                         return -1;
2541                 }
2542                 script++;
2543         } else {
2544                 script = str;
2545                 ext = strrchr(script, '.');
2546                 if (!ext) {
2547                         fprintf(stderr, "invalid script extension");
2548                         return -1;
2549                 }
2550                 scripting_ops = script_spec__lookup(++ext);
2551                 if (!scripting_ops) {
2552                         fprintf(stderr, "invalid script extension");
2553                         return -1;
2554                 }
2555         }
2556 
2557         script_name = strdup(script);
2558 
2559         return 0;
2560 }
2561 
2562 static int parse_output_fields(const struct option *opt __maybe_unused,
2563                             const char *arg, int unset __maybe_unused)
2564 {
2565         char *tok, *strtok_saveptr = NULL;
2566         int i, imax = ARRAY_SIZE(all_output_options);
2567         int j;
2568         int rc = 0;
2569         char *str = strdup(arg);
2570         int type = -1;
2571         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2572 
2573         if (!str)
2574                 return -ENOMEM;
2575 
2576         /* first word can state for which event type the user is specifying
2577          * the fields. If no type exists, the specified fields apply to all
2578          * event types found in the file minus the invalid fields for a type.
2579          */
2580         tok = strchr(str, ':');
2581         if (tok) {
2582                 *tok = '\0';
2583                 tok++;
2584                 if (!strcmp(str, "hw"))
2585                         type = PERF_TYPE_HARDWARE;
2586                 else if (!strcmp(str, "sw"))
2587                         type = PERF_TYPE_SOFTWARE;
2588                 else if (!strcmp(str, "trace"))
2589                         type = PERF_TYPE_TRACEPOINT;
2590                 else if (!strcmp(str, "raw"))
2591                         type = PERF_TYPE_RAW;
2592                 else if (!strcmp(str, "break"))
2593                         type = PERF_TYPE_BREAKPOINT;
2594                 else if (!strcmp(str, "synth"))
2595                         type = OUTPUT_TYPE_SYNTH;
2596                 else {
2597                         fprintf(stderr, "Invalid event type in field string.\n");
2598                         rc = -EINVAL;
2599                         goto out;
2600                 }
2601 
2602                 if (output[type].user_set)
2603                         pr_warning("Overriding previous field request for %s events.\n",
2604                                    event_type(type));
2605 
2606                 /* Don't override defaults for +- */
2607                 if (strchr(tok, '+') || strchr(tok, '-'))
2608                         goto parse;
2609 
2610                 output[type].fields = 0;
2611                 output[type].user_set = true;
2612                 output[type].wildcard_set = false;
2613 
2614         } else {
2615                 tok = str;
2616                 if (strlen(str) == 0) {
2617                         fprintf(stderr,
2618                                 "Cannot set fields to 'none' for all event types.\n");
2619                         rc = -EINVAL;
2620                         goto out;
2621                 }
2622 
2623                 /* Don't override defaults for +- */
2624                 if (strchr(str, '+') || strchr(str, '-'))
2625                         goto parse;
2626 
2627                 if (output_set_by_user())
2628                         pr_warning("Overriding previous field request for all events.\n");
2629 
2630                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2631                         output[j].fields = 0;
2632                         output[j].user_set = true;
2633                         output[j].wildcard_set = true;
2634                 }
2635         }
2636 
2637 parse:
2638         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2639                 if (*tok == '+') {
2640                         if (change == SET)
2641                                 goto out_badmix;
2642                         change = ADD;
2643                         tok++;
2644                 } else if (*tok == '-') {
2645                         if (change == SET)
2646                                 goto out_badmix;
2647                         change = REMOVE;
2648                         tok++;
2649                 } else {
2650                         if (change != SET && change != DEFAULT)
2651                                 goto out_badmix;
2652                         change = SET;
2653                 }
2654 
2655                 for (i = 0; i < imax; ++i) {
2656                         if (strcmp(tok, all_output_options[i].str) == 0)
2657                                 break;
2658                 }
2659                 if (i == imax && strcmp(tok, "flags") == 0) {
2660                         print_flags = change == REMOVE ? false : true;
2661                         continue;
2662                 }
2663                 if (i == imax) {
2664                         fprintf(stderr, "Invalid field requested.\n");
2665                         rc = -EINVAL;
2666                         goto out;
2667                 }
2668 
2669                 if (type == -1) {
2670                         /* add user option to all events types for
2671                          * which it is valid
2672                          */
2673                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2674                                 if (output[j].invalid_fields & all_output_options[i].field) {
2675                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2676                                                    all_output_options[i].str, event_type(j));
2677                                 } else {
2678                                         if (change == REMOVE) {
2679                                                 output[j].fields &= ~all_output_options[i].field;
2680                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2681                                         } else {
2682                                                 output[j].fields |= all_output_options[i].field;
2683                                                 output[j].user_set_fields |= all_output_options[i].field;
2684                                         }
2685                                         output[j].user_set = true;
2686                                         output[j].wildcard_set = true;
2687                                 }
2688                         }
2689                 } else {
2690                         if (output[type].invalid_fields & all_output_options[i].field) {
2691                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2692                                          all_output_options[i].str, event_type(type));
2693 
2694                                 rc = -EINVAL;
2695                                 goto out;
2696                         }
2697                         if (change == REMOVE)
2698                                 output[type].fields &= ~all_output_options[i].field;
2699                         else
2700                                 output[type].fields |= all_output_options[i].field;
2701                         output[type].user_set = true;
2702                         output[type].wildcard_set = true;
2703                 }
2704         }
2705 
2706         if (type >= 0) {
2707                 if (output[type].fields == 0) {
2708                         pr_debug("No fields requested for %s type. "
2709                                  "Events will not be displayed.\n", event_type(type));
2710                 }
2711         }
2712         goto out;
2713 
2714 out_badmix:
2715         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2716         rc = -EINVAL;
2717 out:
2718         free(str);
2719         return rc;
2720 }
2721 
2722 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2723         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2724                 if ((lang_dirent->d_type == DT_DIR ||                   \
2725                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2726                       is_directory(scripts_path, lang_dirent))) &&      \
2727                     (strcmp(lang_dirent->d_name, ".")) &&               \
2728                     (strcmp(lang_dirent->d_name, "..")))
2729 
2730 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2731         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2732                 if (script_dirent->d_type != DT_DIR &&                  \
2733                     (script_dirent->d_type != DT_UNKNOWN ||             \
2734                      !is_directory(lang_path, script_dirent)))
2735 
2736 
2737 #define RECORD_SUFFIX                   "-record"
2738 #define REPORT_SUFFIX                   "-report"
2739 
2740 struct script_desc {
2741         struct list_head        node;
2742         char                    *name;
2743         char                    *half_liner;
2744         char                    *args;
2745 };
2746 
2747 static LIST_HEAD(script_descs);
2748 
2749 static struct script_desc *script_desc__new(const char *name)
2750 {
2751         struct script_desc *s = zalloc(sizeof(*s));
2752 
2753         if (s != NULL && name)
2754                 s->name = strdup(name);
2755 
2756         return s;
2757 }
2758 
2759 static void script_desc__delete(struct script_desc *s)
2760 {
2761         zfree(&s->name);
2762         zfree(&s->half_liner);
2763         zfree(&s->args);
2764         free(s);
2765 }
2766 
2767 static void script_desc__add(struct script_desc *s)
2768 {
2769         list_add_tail(&s->node, &script_descs);
2770 }
2771 
2772 static struct script_desc *script_desc__find(const char *name)
2773 {
2774         struct script_desc *s;
2775 
2776         list_for_each_entry(s, &script_descs, node)
2777                 if (strcasecmp(s->name, name) == 0)
2778                         return s;
2779         return NULL;
2780 }
2781 
2782 static struct script_desc *script_desc__findnew(const char *name)
2783 {
2784         struct script_desc *s = script_desc__find(name);
2785 
2786         if (s)
2787                 return s;
2788 
2789         s = script_desc__new(name);
2790         if (!s)
2791                 return NULL;
2792 
2793         script_desc__add(s);
2794 
2795         return s;
2796 }
2797 
2798 static const char *ends_with(const char *str, const char *suffix)
2799 {
2800         size_t suffix_len = strlen(suffix);
2801         const char *p = str;
2802 
2803         if (strlen(str) > suffix_len) {
2804                 p = str + strlen(str) - suffix_len;
2805                 if (!strncmp(p, suffix, suffix_len))
2806                         return p;
2807         }
2808 
2809         return NULL;
2810 }
2811 
2812 static int read_script_info(struct script_desc *desc, const char *filename)
2813 {
2814         char line[BUFSIZ], *p;
2815         FILE *fp;
2816 
2817         fp = fopen(filename, "r");
2818         if (!fp)
2819                 return -1;
2820 
2821         while (fgets(line, sizeof(line), fp)) {
2822                 p = ltrim(line);
2823                 if (strlen(p) == 0)
2824                         continue;
2825                 if (*p != '#')
2826                         continue;
2827                 p++;
2828                 if (strlen(p) && *p == '!')
2829                         continue;
2830 
2831                 p = ltrim(p);
2832                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2833                         p[strlen(p) - 1] = '\0';
2834 
2835                 if (!strncmp(p, "description:", strlen("description:"))) {
2836                         p += strlen("description:");
2837                         desc->half_liner = strdup(ltrim(p));
2838                         continue;
2839                 }
2840 
2841                 if (!strncmp(p, "args:", strlen("args:"))) {
2842                         p += strlen("args:");
2843                         desc->args = strdup(ltrim(p));
2844                         continue;
2845                 }
2846         }
2847 
2848         fclose(fp);
2849 
2850         return 0;
2851 }
2852 
2853 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2854 {
2855         char *script_root, *str;
2856 
2857         script_root = strdup(script_dirent->d_name);
2858         if (!script_root)
2859                 return NULL;
2860 
2861         str = (char *)ends_with(script_root, suffix);
2862         if (!str) {
2863                 free(script_root);
2864                 return NULL;
2865         }
2866 
2867         *str = '\0';
2868         return script_root;
2869 }
2870 
2871 static int list_available_scripts(const struct option *opt __maybe_unused,
2872                                   const char *s __maybe_unused,
2873                                   int unset __maybe_unused)
2874 {
2875         struct dirent *script_dirent, *lang_dirent;
2876         char scripts_path[MAXPATHLEN];
2877         DIR *scripts_dir, *lang_dir;
2878         char script_path[MAXPATHLEN];
2879         char lang_path[MAXPATHLEN];
2880         struct script_desc *desc;
2881         char first_half[BUFSIZ];
2882         char *script_root;
2883 
2884         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2885 
2886         scripts_dir = opendir(scripts_path);
2887         if (!scripts_dir) {
2888                 fprintf(stdout,
2889                         "open(%s) failed.\n"
2890                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2891                         scripts_path);
2892                 exit(-1);
2893         }
2894 
2895         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2896                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2897                           lang_dirent->d_name);
2898                 lang_dir = opendir(lang_path);
2899                 if (!lang_dir)
2900                         continue;
2901 
2902                 for_each_script(lang_path, lang_dir, script_dirent) {
2903                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2904                         if (script_root) {
2905                                 desc = script_desc__findnew(script_root);
2906                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2907                                           lang_path, script_dirent->d_name);
2908                                 read_script_info(desc, script_path);
2909                                 free(script_root);
2910                         }
2911                 }
2912         }
2913 
2914         fprintf(stdout, "List of available trace scripts:\n");
2915         list_for_each_entry(desc, &script_descs, node) {
2916                 sprintf(first_half, "%s %s", desc->name,
2917                         desc->args ? desc->args : "");
2918                 fprintf(stdout, "  %-36s %s\n", first_half,
2919                         desc->half_liner ? desc->half_liner : "");
2920         }
2921 
2922         exit(0);
2923 }
2924 
2925 /*
2926  * Some scripts specify the required events in their "xxx-record" file,
2927  * this function will check if the events in perf.data match those
2928  * mentioned in the "xxx-record".
2929  *
2930  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2931  * which is covered well now. And new parsing code should be added to
2932  * cover the future complexing formats like event groups etc.
2933  */
2934 static int check_ev_match(char *dir_name, char *scriptname,
2935                         struct perf_session *session)
2936 {
2937         char filename[MAXPATHLEN], evname[128];
2938         char line[BUFSIZ], *p;
2939         struct perf_evsel *pos;
2940         int match, len;
2941         FILE *fp;
2942 
2943         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2944 
2945         fp = fopen(filename, "r");
2946         if (!fp)
2947                 return -1;
2948 
2949         while (fgets(line, sizeof(line), fp)) {
2950                 p = ltrim(line);
2951                 if (*p == '#')
2952                         continue;
2953 
2954                 while (strlen(p)) {
2955                         p = strstr(p, "-e");
2956                         if (!p)
2957                                 break;
2958 
2959                         p += 2;
2960                         p = ltrim(p);
2961                         len = strcspn(p, " \t");
2962                         if (!len)
2963                                 break;
2964 
2965                         snprintf(evname, len + 1, "%s", p);
2966 
2967                         match = 0;
2968                         evlist__for_each_entry(session->evlist, pos) {
2969                                 if (!strcmp(perf_evsel__name(pos), evname)) {
2970                                         match = 1;
2971                                         break;
2972                                 }
2973                         }
2974 
2975                         if (!match) {
2976                                 fclose(fp);
2977                                 return -1;
2978                         }
2979                 }
2980         }
2981 
2982         fclose(fp);
2983         return 0;
2984 }
2985 
2986 /*
2987  * Return -1 if none is found, otherwise the actual scripts number.
2988  *
2989  * Currently the only user of this function is the script browser, which
2990  * will list all statically runnable scripts, select one, execute it and
2991  * show the output in a perf browser.
2992  */
2993 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
2994                  int pathlen)
2995 {
2996         struct dirent *script_dirent, *lang_dirent;
2997         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2998         DIR *scripts_dir, *lang_dir;
2999         struct perf_session *session;
3000         struct perf_data data = {
3001                 .path = input_name,
3002                 .mode = PERF_DATA_MODE_READ,
3003         };
3004         char *temp;
3005         int i = 0;
3006 
3007         session = perf_session__new(&data, false, NULL);
3008         if (!session)
3009                 return -1;
3010 
3011         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3012 
3013         scripts_dir = opendir(scripts_path);
3014         if (!scripts_dir) {
3015                 perf_session__delete(session);
3016                 return -1;
3017         }
3018 
3019         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3020                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3021                           lang_dirent->d_name);
3022 #ifndef HAVE_LIBPERL_SUPPORT
3023                 if (strstr(lang_path, "perl"))
3024                         continue;
3025 #endif
3026 #ifndef HAVE_LIBPYTHON_SUPPORT
3027                 if (strstr(lang_path, "python"))
3028                         continue;
3029 #endif
3030 
3031                 lang_dir = opendir(lang_path);
3032                 if (!lang_dir)
3033                         continue;
3034 
3035                 for_each_script(lang_path, lang_dir, script_dirent) {
3036                         /* Skip those real time scripts: xxxtop.p[yl] */
3037                         if (strstr(script_dirent->d_name, "top."))
3038                                 continue;
3039                         if (i >= num)
3040                                 break;
3041                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3042                                 lang_path,
3043                                 script_dirent->d_name);
3044                         temp = strchr(script_dirent->d_name, '.');
3045                         snprintf(scripts_array[i],
3046                                 (temp - script_dirent->d_name) + 1,
3047                                 "%s", script_dirent->d_name);
3048 
3049                         if (check_ev_match(lang_path,
3050                                         scripts_array[i], session))
3051                                 continue;
3052 
3053                         i++;
3054                 }
3055                 closedir(lang_dir);
3056         }
3057 
3058         closedir(scripts_dir);
3059         perf_session__delete(session);
3060         return i;
3061 }
3062 
3063 static char *get_script_path(const char *script_root, const char *suffix)
3064 {
3065         struct dirent *script_dirent, *lang_dirent;
3066         char scripts_path[MAXPATHLEN];
3067         char script_path[MAXPATHLEN];
3068         DIR *scripts_dir, *lang_dir;
3069         char lang_path[MAXPATHLEN];
3070         char *__script_root;
3071 
3072         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3073 
3074         scripts_dir = opendir(scripts_path);
3075         if (!scripts_dir)
3076                 return NULL;
3077 
3078         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3079                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3080                           lang_dirent->d_name);
3081                 lang_dir = opendir(lang_path);
3082                 if (!lang_dir)
3083                         continue;
3084 
3085                 for_each_script(lang_path, lang_dir, script_dirent) {
3086                         __script_root = get_script_root(script_dirent, suffix);
3087                         if (__script_root && !strcmp(script_root, __script_root)) {
3088                                 free(__script_root);
3089                                 closedir(lang_dir);
3090                                 closedir(scripts_dir);
3091                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3092                                           lang_path, script_dirent->d_name);
3093                                 return strdup(script_path);
3094                         }
3095                         free(__script_root);
3096                 }
3097                 closedir(lang_dir);
3098         }
3099         closedir(scripts_dir);
3100 
3101         return NULL;
3102 }
3103 
3104 static bool is_top_script(const char *script_path)
3105 {
3106         return ends_with(script_path, "top") == NULL ? false : true;
3107 }
3108 
3109 static int has_required_arg(char *script_path)
3110 {
3111         struct script_desc *desc;
3112         int n_args = 0;
3113         char *p;
3114 
3115         desc = script_desc__new(NULL);
3116 
3117         if (read_script_info(desc, script_path))
3118                 goto out;
3119 
3120         if (!desc->args)
3121                 goto out;
3122 
3123         for (p = desc->args; *p; p++)
3124                 if (*p == '<')
3125                         n_args++;
3126 out:
3127         script_desc__delete(desc);
3128 
3129         return n_args;
3130 }
3131 
3132 static int have_cmd(int argc, const char **argv)
3133 {
3134         char **__argv = malloc(sizeof(const char *) * argc);
3135 
3136         if (!__argv) {
3137                 pr_err("malloc failed\n");
3138                 return -1;
3139         }
3140 
3141         memcpy(__argv, argv, sizeof(const char *) * argc);
3142         argc = parse_options(argc, (const char **)__argv, record_options,
3143                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3144         free(__argv);
3145 
3146         system_wide = (argc == 0);
3147 
3148         return 0;
3149 }
3150 
3151 static void script__setup_sample_type(struct perf_script *script)
3152 {
3153         struct perf_session *session = script->session;
3154         u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
3155 
3156         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3157                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3158                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3159                         callchain_param.record_mode = CALLCHAIN_DWARF;
3160                         dwarf_callchain_users = true;
3161                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3162                         callchain_param.record_mode = CALLCHAIN_LBR;
3163                 else
3164                         callchain_param.record_mode = CALLCHAIN_FP;
3165         }
3166 }
3167 
3168 static int process_stat_round_event(struct perf_session *session,
3169                                     union perf_event *event)
3170 {
3171         struct stat_round_event *round = &event->stat_round;
3172         struct perf_evsel *counter;
3173 
3174         evlist__for_each_entry(session->evlist, counter) {
3175                 perf_stat_process_counter(&stat_config, counter);
3176                 process_stat(counter, round->time);
3177         }
3178 
3179         process_stat_interval(round->time);
3180         return 0;
3181 }
3182 
3183 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3184                                      union perf_event *event)
3185 {
3186         perf_event__read_stat_config(&stat_config, &event->stat_config);
3187         return 0;
3188 }
3189 
3190 static int set_maps(struct perf_script *script)
3191 {
3192         struct perf_evlist *evlist = script->session->evlist;
3193 
3194         if (!script->cpus || !script->threads)
3195                 return 0;
3196 
3197         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3198                 return -EINVAL;
3199 
3200         perf_evlist__set_maps(evlist, script->cpus, script->threads);
3201 
3202         if (perf_evlist__alloc_stats(evlist, true))
3203                 return -ENOMEM;
3204 
3205         script->allocated = true;
3206         return 0;
3207 }
3208 
3209 static
3210 int process_thread_map_event(struct perf_session *session,
3211                              union perf_event *event)
3212 {
3213         struct perf_tool *tool = session->tool;
3214         struct perf_script *script = container_of(tool, struct perf_script, tool);
3215 
3216         if (script->threads) {
3217                 pr_warning("Extra thread map event, ignoring.\n");
3218                 return 0;
3219         }
3220 
3221         script->threads = thread_map__new_event(&event->thread_map);
3222         if (!script->threads)
3223                 return -ENOMEM;
3224 
3225         return set_maps(script);
3226 }
3227 
3228 static
3229 int process_cpu_map_event(struct perf_session *session,
3230                           union perf_event *event)
3231 {
3232         struct perf_tool *tool = session->tool;
3233         struct perf_script *script = container_of(tool, struct perf_script, tool);
3234 
3235         if (script->cpus) {
3236                 pr_warning("Extra cpu map event, ignoring.\n");
3237                 return 0;
3238         }
3239 
3240         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3241         if (!script->cpus)
3242                 return -ENOMEM;
3243 
3244         return set_maps(script);
3245 }
3246 
3247 static int process_feature_event(struct perf_session *session,
3248                                  union perf_event *event)
3249 {
3250         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3251                 return perf_event__process_feature(session, event);
3252         return 0;
3253 }
3254 
3255 #ifdef HAVE_AUXTRACE_SUPPORT
3256 static int perf_script__process_auxtrace_info(struct perf_session *session,
3257                                               union perf_event *event)
3258 {
3259         struct perf_tool *tool = session->tool;
3260 
3261         int ret = perf_event__process_auxtrace_info(session, event);
3262 
3263         if (ret == 0) {
3264                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3265 
3266                 ret = perf_script__setup_per_event_dump(script);
3267         }
3268 
3269         return ret;
3270 }
3271 #else
3272 #define perf_script__process_auxtrace_info 0
3273 #endif
3274 
3275 static int parse_insn_trace(const struct option *opt __maybe_unused,
3276                             const char *str __maybe_unused,
3277                             int unset __maybe_unused)
3278 {
3279         parse_output_fields(NULL, "+insn,-event,-period", 0);
3280         itrace_parse_synth_opts(opt, "i0ns", 0);
3281         symbol_conf.nanosecs = true;
3282         return 0;
3283 }
3284 
3285 static int parse_xed(const struct option *opt __maybe_unused,
3286                      const char *str __maybe_unused,
3287                      int unset __maybe_unused)
3288 {
3289         force_pager("xed -F insn: -A -64 | less");
3290         return 0;
3291 }
3292 
3293 static int parse_call_trace(const struct option *opt __maybe_unused,
3294                             const char *str __maybe_unused,
3295                             int unset __maybe_unused)
3296 {
3297         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3298         itrace_parse_synth_opts(opt, "cewp", 0);
3299         symbol_conf.nanosecs = true;
3300         return 0;
3301 }
3302 
3303 static int parse_callret_trace(const struct option *opt __maybe_unused,
3304                             const char *str __maybe_unused,
3305                             int unset __maybe_unused)
3306 {
3307         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3308         itrace_parse_synth_opts(opt, "crewp", 0);
3309         symbol_conf.nanosecs = true;
3310         return 0;
3311 }
3312 
3313 int cmd_script(int argc, const char **argv)
3314 {
3315         bool show_full_info = false;
3316         bool header = false;
3317         bool header_only = false;
3318         bool script_started = false;
3319         char *rec_script_path = NULL;
3320         char *rep_script_path = NULL;
3321         struct perf_session *session;
3322         struct itrace_synth_opts itrace_synth_opts = {
3323                 .set = false,
3324                 .default_no_sample = true,
3325         };
3326         struct utsname uts;
3327         char *script_path = NULL;
3328         const char **__argv;
3329         int i, j, err = 0;
3330         struct perf_script script = {
3331                 .tool = {
3332                         .sample          = process_sample_event,
3333                         .mmap            = perf_event__process_mmap,
3334                         .mmap2           = perf_event__process_mmap2,
3335                         .comm            = perf_event__process_comm,
3336                         .namespaces      = perf_event__process_namespaces,
3337                         .exit            = perf_event__process_exit,
3338                         .fork            = perf_event__process_fork,
3339                         .attr            = process_attr,
3340                         .event_update   = perf_event__process_event_update,
3341                         .tracing_data    = perf_event__process_tracing_data,
3342                         .feature         = process_feature_event,
3343                         .build_id        = perf_event__process_build_id,
3344                         .id_index        = perf_event__process_id_index,
3345                         .auxtrace_info   = perf_script__process_auxtrace_info,
3346                         .auxtrace        = perf_event__process_auxtrace,
3347                         .auxtrace_error  = perf_event__process_auxtrace_error,
3348                         .stat            = perf_event__process_stat_event,
3349                         .stat_round      = process_stat_round_event,
3350                         .stat_config     = process_stat_config_event,
3351                         .thread_map      = process_thread_map_event,
3352                         .cpu_map         = process_cpu_map_event,
3353                         .ordered_events  = true,
3354                         .ordering_requires_timestamps = true,
3355                 },
3356         };
3357         struct perf_data data = {
3358                 .mode = PERF_DATA_MODE_READ,
3359         };
3360         const struct option options[] = {
3361         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3362                     "dump raw trace in ASCII"),
3363         OPT_INCR('v', "verbose", &verbose,
3364                  "be more verbose (show symbol address, etc)"),
3365         OPT_BOOLEAN('L', "Latency", &latency_format,
3366                     "show latency attributes (irqs/preemption disabled, etc)"),
3367         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3368                            list_available_scripts),
3369         OPT_CALLBACK('s', "script", NULL, "name",
3370                      "script file name (lang:script name, script name, or *)",
3371                      parse_scriptname),
3372         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3373                    "generate perf-script.xx script in specified language"),
3374         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3375         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3376                    "do various checks like samples ordering and lost events"),
3377         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3378         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3379         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3380                    "file", "vmlinux pathname"),
3381         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3382                    "file", "kallsyms pathname"),
3383         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3384                     "When printing symbols do not display call chain"),
3385         OPT_CALLBACK(0, "symfs", NULL, "directory",
3386                      "Look for files with symbols relative to this directory",
3387                      symbol__config_symfs),
3388         OPT_CALLBACK('F', "fields", NULL, "str",
3389                      "comma separated output fields prepend with 'type:'. "
3390                      "+field to add and -field to remove."
3391                      "Valid types: hw,sw,trace,raw,synth. "
3392                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3393                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3394                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3395                      "callindent,insn,insnlen,synth,phys_addr,metric,misc",
3396                      parse_output_fields),
3397         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3398                     "system-wide collection from all CPUs"),
3399         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3400                    "only consider these symbols"),
3401         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3402                         "Decode instructions from itrace", parse_insn_trace),
3403         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3404                         "Run xed disassembler on output", parse_xed),
3405         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3406                         "Decode calls from from itrace", parse_call_trace),
3407         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3408                         "Decode calls and returns from itrace", parse_callret_trace),
3409         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3410                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3411         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3412                    "Stop display of callgraph at these symbols"),
3413         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3414         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3415                    "only display events for these comms"),
3416         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3417                    "only consider symbols in these pids"),
3418         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3419                    "only consider symbols in these tids"),
3420         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3421                      "Set the maximum stack depth when parsing the callchain, "
3422                      "anything beyond the specified depth will be ignored. "
3423                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3424         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3425         OPT_BOOLEAN('I', "show-info", &show_full_info,
3426                     "display extended information from perf.data file"),
3427         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3428                     "Show the path of [kernel.kallsyms]"),
3429         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3430                     "Show the fork/comm/exit events"),
3431         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3432                     "Show the mmap events"),
3433         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3434                     "Show context switch events (if recorded)"),
3435         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3436                     "Show namespace events (if recorded)"),
3437         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3438                     "Show lost events (if recorded)"),
3439         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3440                     "Show round events (if recorded)"),
3441         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3442                     "Dump trace output to files named by the monitored events"),
3443         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3444         OPT_INTEGER(0, "max-blocks", &max_blocks,
3445                     "Maximum number of code blocks to dump with brstackinsn"),
3446         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3447                     "Use 9 decimal places when displaying time"),
3448         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3449                             "Instruction Tracing options\n" ITRACE_HELP,
3450                             itrace_parse_synth_opts),
3451         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3452                         "Show full source file name path for source lines"),
3453         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3454                         "Enable symbol demangling"),
3455         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3456                         "Enable kernel symbol demangling"),
3457         OPT_STRING(0, "time", &script.time_str, "str",
3458                    "Time span of interest (start,stop)"),
3459         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3460                     "Show inline function"),
3461         OPT_END()
3462         };
3463         const char * const script_subcommands[] = { "record", "report", NULL };
3464         const char *script_usage[] = {
3465                 "perf script [<options>]",
3466                 "perf script [<options>] record <script> [<record-options>] <command>",
3467                 "perf script [<options>] report <script> [script-args]",
3468                 "perf script [<options>] <script> [<record-options>] <command>",
3469                 "perf script [<options>] <top-script> [script-args]",
3470                 NULL
3471         };
3472 
3473         perf_set_singlethreaded();
3474 
3475         setup_scripting();
3476 
3477         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3478                              PARSE_OPT_STOP_AT_NON_OPTION);
3479 
3480         data.path  = input_name;
3481         data.force = symbol_conf.force;
3482 
3483         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3484                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3485                 if (!rec_script_path)
3486                         return cmd_record(argc, argv);
3487         }
3488 
3489         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3490                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3491                 if (!rep_script_path) {
3492                         fprintf(stderr,
3493                                 "Please specify a valid report script"
3494                                 "(see 'perf script -l' for listing)\n");
3495                         return -1;
3496                 }
3497         }
3498 
3499         if (script.time_str && reltime) {
3500                 fprintf(stderr, "Don't combine --reltime with --time\n");
3501                 return -1;
3502         }
3503 
3504         if (itrace_synth_opts.callchain &&
3505             itrace_synth_opts.callchain_sz > scripting_max_stack)
3506                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3507 
3508         /* make sure PERF_EXEC_PATH is set for scripts */
3509         set_argv_exec_path(get_argv_exec_path());
3510 
3511         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3512                 int live_pipe[2];
3513                 int rep_args;
3514                 pid_t pid;
3515 
3516                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3517                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3518 
3519                 if (!rec_script_path && !rep_script_path) {
3520                         usage_with_options_msg(script_usage, options,
3521                                 "Couldn't find script `%s'\n\n See perf"
3522                                 " script -l for available scripts.\n", argv[0]);
3523                 }
3524 
3525                 if (is_top_script(argv[0])) {
3526                         rep_args = argc - 1;
3527                 } else {
3528                         int rec_args;
3529 
3530                         rep_args = has_required_arg(rep_script_path);
3531                         rec_args = (argc - 1) - rep_args;
3532                         if (rec_args < 0) {
3533                                 usage_with_options_msg(script_usage, options,
3534                                         "`%s' script requires options."
3535                                         "\n\n See perf script -l for available "
3536                                         "scripts and options.\n", argv[0]);
3537                         }
3538                 }
3539 
3540                 if (pipe(live_pipe) < 0) {
3541                         perror("failed to create pipe");
3542                         return -1;
3543                 }
3544 
3545                 pid = fork();
3546                 if (pid < 0) {
3547                         perror("failed to fork");
3548                         return -1;
3549                 }
3550 
3551                 if (!pid) {
3552                         j = 0;
3553 
3554                         dup2(live_pipe[1], 1);
3555                         close(live_pipe[0]);
3556 
3557                         if (is_top_script(argv[0])) {
3558                                 system_wide = true;
3559                         } else if (!system_wide) {
3560                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3561                                         err = -1;
3562                                         goto out;
3563                                 }
3564                         }
3565 
3566                         __argv = malloc((argc + 6) * sizeof(const char *));
3567                         if (!__argv) {
3568                                 pr_err("malloc failed\n");
3569                                 err = -ENOMEM;
3570                                 goto out;
3571                         }
3572 
3573                         __argv[j++] = "/bin/sh";
3574                         __argv[j++] = rec_script_path;
3575                         if (system_wide)
3576                                 __argv[j++] = "-a";
3577                         __argv[j++] = "-q";
3578                         __argv[j++] = "-o";
3579                         __argv[j++] = "-";
3580                         for (i = rep_args + 1; i < argc; i++)
3581                                 __argv[j++] = argv[i];
3582                         __argv[j++] = NULL;
3583 
3584                         execvp("/bin/sh", (char **)__argv);
3585                         free(__argv);
3586                         exit(-1);
3587                 }
3588 
3589                 dup2(live_pipe[0], 0);
3590                 close(live_pipe[1]);
3591 
3592                 __argv = malloc((argc + 4) * sizeof(const char *));
3593                 if (!__argv) {
3594                         pr_err("malloc failed\n");
3595                         err = -ENOMEM;
3596                         goto out;
3597                 }
3598 
3599                 j = 0;
3600                 __argv[j++] = "/bin/sh";
3601                 __argv[j++] = rep_script_path;
3602                 for (i = 1; i < rep_args + 1; i++)
3603                         __argv[j++] = argv[i];
3604                 __argv[j++] = "-i";
3605                 __argv[j++] = "-";
3606                 __argv[j++] = NULL;
3607 
3608                 execvp("/bin/sh", (char **)__argv);
3609                 free(__argv);
3610                 exit(-1);
3611         }
3612 
3613         if (rec_script_path)
3614                 script_path = rec_script_path;
3615         if (rep_script_path)
3616                 script_path = rep_script_path;
3617 
3618         if (script_path) {
3619                 j = 0;
3620 
3621                 if (!rec_script_path)
3622                         system_wide = false;
3623                 else if (!system_wide) {
3624                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3625                                 err = -1;
3626                                 goto out;
3627                         }
3628                 }
3629 
3630                 __argv = malloc((argc + 2) * sizeof(const char *));
3631                 if (!__argv) {
3632                         pr_err("malloc failed\n");
3633                         err = -ENOMEM;
3634                         goto out;
3635                 }
3636 
3637                 __argv[j++] = "/bin/sh";
3638                 __argv[j++] = script_path;
3639                 if (system_wide)
3640                         __argv[j++] = "-a";
3641                 for (i = 2; i < argc; i++)
3642                         __argv[j++] = argv[i];
3643                 __argv[j++] = NULL;
3644 
3645                 execvp("/bin/sh", (char **)__argv);
3646                 free(__argv);
3647                 exit(-1);
3648         }
3649 
3650         if (!script_name) {
3651                 setup_pager();
3652                 use_browser = 0;
3653         }
3654 
3655         session = perf_session__new(&data, false, &script.tool);
3656         if (session == NULL)
3657                 return -1;
3658 
3659         if (header || header_only) {
3660                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3661                 perf_session__fprintf_info(session, stdout, show_full_info);
3662                 if (header_only)
3663                         goto out_delete;
3664         }
3665         if (show_full_info)
3666                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3667 
3668         if (symbol__init(&session->header.env) < 0)
3669                 goto out_delete;
3670 
3671         uname(&uts);
3672         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3673             !strcmp(uts.machine, session->header.env.arch) ||
3674             (!strcmp(uts.machine, "x86_64") &&
3675              !strcmp(session->header.env.arch, "i386")))
3676                 native_arch = true;
3677 
3678         script.session = session;
3679         script__setup_sample_type(&script);
3680 
3681         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3682             symbol_conf.graph_function)
3683                 itrace_synth_opts.thread_stack = true;
3684 
3685         session->itrace_synth_opts = &itrace_synth_opts;
3686 
3687         if (cpu_list) {
3688                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3689                 if (err < 0)
3690                         goto out_delete;
3691                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3692         }
3693 
3694         if (!no_callchain)
3695                 symbol_conf.use_callchain = true;
3696         else
3697                 symbol_conf.use_callchain = false;
3698 
3699         if (session->tevent.pevent &&
3700             tep_set_function_resolver(session->tevent.pevent,
3701                                       machine__resolve_kernel_addr,
3702                                       &session->machines.host) < 0) {
3703                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3704                 err = -1;
3705                 goto out_delete;
3706         }
3707 
3708         if (generate_script_lang) {
3709                 struct stat perf_stat;
3710                 int input;
3711 
3712                 if (output_set_by_user()) {
3713                         fprintf(stderr,
3714                                 "custom fields not supported for generated scripts");
3715                         err = -EINVAL;
3716                         goto out_delete;
3717                 }
3718 
3719                 input = open(data.path, O_RDONLY);      /* input_name */
3720                 if (input < 0) {
3721                         err = -errno;
3722                         perror("failed to open file");
3723                         goto out_delete;
3724                 }
3725 
3726                 err = fstat(input, &perf_stat);
3727                 if (err < 0) {
3728                         perror("failed to stat file");
3729                         goto out_delete;
3730                 }
3731 
3732                 if (!perf_stat.st_size) {
3733                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3734                         goto out_delete;
3735                 }
3736 
3737                 scripting_ops = script_spec__lookup(generate_script_lang);
3738                 if (!scripting_ops) {
3739                         fprintf(stderr, "invalid language specifier");
3740                         err = -ENOENT;
3741                         goto out_delete;
3742                 }
3743 
3744                 err = scripting_ops->generate_script(session->tevent.pevent,
3745                                                      "perf-script");
3746                 goto out_delete;
3747         }
3748 
3749         if (script_name) {
3750                 err = scripting_ops->start_script(script_name, argc, argv);
3751                 if (err)
3752                         goto out_delete;
3753                 pr_debug("perf script started with script %s\n\n", script_name);
3754                 script_started = true;
3755         }
3756 
3757 
3758         err = perf_session__check_output_opt(session);
3759         if (err < 0)
3760                 goto out_delete;
3761 
3762         if (script.time_str) {
3763                 err = perf_time__parse_for_ranges(script.time_str, session,
3764                                                   &script.ptime_range,
3765                                                   &script.range_size,
3766                                                   &script.range_num);
3767                 if (err < 0)
3768                         goto out_delete;
3769         }
3770 
3771         err = __cmd_script(&script);
3772 
3773         flush_scripting();
3774 
3775 out_delete:
3776         if (script.ptime_range)
3777                 zfree(&script.ptime_range);
3778 
3779         perf_evlist__free_stats(session->evlist);
3780         perf_session__delete(session);
3781 
3782         if (script_started)
3783                 cleanup_scripting();
3784 out:
3785         return err;
3786 }
3787 

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