~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

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

Version: ~ [ linux-5.9-rc6 ] ~ [ linux-5.8.10 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.66 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.146 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.198 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.236 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.236 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

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

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp