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

TOMOYO Linux Cross Reference
Linux/tools/perf/ui/hist.c

Version: ~ [ linux-5.4-rc7 ] ~ [ linux-5.3.11 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.84 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.154 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.201 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.201 ] ~ [ 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-3.16.77 ] ~ [ 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-3.9.11 ] ~ [ linux-3.8.13 ] ~ [ linux-3.7.10 ] ~ [ linux-3.6.11 ] ~ [ linux-3.5.7 ] ~ [ linux-3.4.113 ] ~ [ linux-3.3.8 ] ~ [ linux-3.2.102 ] ~ [ linux-3.1.10 ] ~ [ linux-3.0.101 ] ~ [ 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 #include <inttypes.h>
  2 #include <math.h>
  3 #include <linux/compiler.h>
  4 
  5 #include "../util/hist.h"
  6 #include "../util/util.h"
  7 #include "../util/sort.h"
  8 #include "../util/evsel.h"
  9 #include "../util/evlist.h"
 10 
 11 /* hist period print (hpp) functions */
 12 
 13 #define hpp__call_print_fn(hpp, fn, fmt, ...)                   \
 14 ({                                                              \
 15         int __ret = fn(hpp, fmt, ##__VA_ARGS__);                \
 16         advance_hpp(hpp, __ret);                                \
 17         __ret;                                                  \
 18 })
 19 
 20 static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
 21                       hpp_field_fn get_field, const char *fmt, int len,
 22                       hpp_snprint_fn print_fn, bool fmt_percent)
 23 {
 24         int ret;
 25         struct hists *hists = he->hists;
 26         struct perf_evsel *evsel = hists_to_evsel(hists);
 27         char *buf = hpp->buf;
 28         size_t size = hpp->size;
 29 
 30         if (fmt_percent) {
 31                 double percent = 0.0;
 32                 u64 total = hists__total_period(hists);
 33 
 34                 if (total)
 35                         percent = 100.0 * get_field(he) / total;
 36 
 37                 ret = hpp__call_print_fn(hpp, print_fn, fmt, len, percent);
 38         } else
 39                 ret = hpp__call_print_fn(hpp, print_fn, fmt, len, get_field(he));
 40 
 41         if (perf_evsel__is_group_event(evsel)) {
 42                 int prev_idx, idx_delta;
 43                 struct hist_entry *pair;
 44                 int nr_members = evsel->nr_members;
 45 
 46                 prev_idx = perf_evsel__group_idx(evsel);
 47 
 48                 list_for_each_entry(pair, &he->pairs.head, pairs.node) {
 49                         u64 period = get_field(pair);
 50                         u64 total = hists__total_period(pair->hists);
 51 
 52                         if (!total)
 53                                 continue;
 54 
 55                         evsel = hists_to_evsel(pair->hists);
 56                         idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
 57 
 58                         while (idx_delta--) {
 59                                 /*
 60                                  * zero-fill group members in the middle which
 61                                  * have no sample
 62                                  */
 63                                 if (fmt_percent) {
 64                                         ret += hpp__call_print_fn(hpp, print_fn,
 65                                                                   fmt, len, 0.0);
 66                                 } else {
 67                                         ret += hpp__call_print_fn(hpp, print_fn,
 68                                                                   fmt, len, 0ULL);
 69                                 }
 70                         }
 71 
 72                         if (fmt_percent) {
 73                                 ret += hpp__call_print_fn(hpp, print_fn, fmt, len,
 74                                                           100.0 * period / total);
 75                         } else {
 76                                 ret += hpp__call_print_fn(hpp, print_fn, fmt,
 77                                                           len, period);
 78                         }
 79 
 80                         prev_idx = perf_evsel__group_idx(evsel);
 81                 }
 82 
 83                 idx_delta = nr_members - prev_idx - 1;
 84 
 85                 while (idx_delta--) {
 86                         /*
 87                          * zero-fill group members at last which have no sample
 88                          */
 89                         if (fmt_percent) {
 90                                 ret += hpp__call_print_fn(hpp, print_fn,
 91                                                           fmt, len, 0.0);
 92                         } else {
 93                                 ret += hpp__call_print_fn(hpp, print_fn,
 94                                                           fmt, len, 0ULL);
 95                         }
 96                 }
 97         }
 98 
 99         /*
100          * Restore original buf and size as it's where caller expects
101          * the result will be saved.
102          */
103         hpp->buf = buf;
104         hpp->size = size;
105 
106         return ret;
107 }
108 
109 int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
110              struct hist_entry *he, hpp_field_fn get_field,
111              const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
112 {
113         int len = fmt->user_len ?: fmt->len;
114 
115         if (symbol_conf.field_sep) {
116                 return __hpp__fmt(hpp, he, get_field, fmtstr, 1,
117                                   print_fn, fmt_percent);
118         }
119 
120         if (fmt_percent)
121                 len -= 2; /* 2 for a space and a % sign */
122         else
123                 len -= 1;
124 
125         return  __hpp__fmt(hpp, he, get_field, fmtstr, len, print_fn, fmt_percent);
126 }
127 
128 int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
129                  struct hist_entry *he, hpp_field_fn get_field,
130                  const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
131 {
132         if (!symbol_conf.cumulate_callchain) {
133                 int len = fmt->user_len ?: fmt->len;
134                 return snprintf(hpp->buf, hpp->size, " %*s", len - 1, "N/A");
135         }
136 
137         return hpp__fmt(fmt, hpp, he, get_field, fmtstr, print_fn, fmt_percent);
138 }
139 
140 static int field_cmp(u64 field_a, u64 field_b)
141 {
142         if (field_a > field_b)
143                 return 1;
144         if (field_a < field_b)
145                 return -1;
146         return 0;
147 }
148 
149 static int __hpp__sort(struct hist_entry *a, struct hist_entry *b,
150                        hpp_field_fn get_field)
151 {
152         s64 ret;
153         int i, nr_members;
154         struct perf_evsel *evsel;
155         struct hist_entry *pair;
156         u64 *fields_a, *fields_b;
157 
158         ret = field_cmp(get_field(a), get_field(b));
159         if (ret || !symbol_conf.event_group)
160                 return ret;
161 
162         evsel = hists_to_evsel(a->hists);
163         if (!perf_evsel__is_group_event(evsel))
164                 return ret;
165 
166         nr_members = evsel->nr_members;
167         fields_a = calloc(nr_members, sizeof(*fields_a));
168         fields_b = calloc(nr_members, sizeof(*fields_b));
169 
170         if (!fields_a || !fields_b)
171                 goto out;
172 
173         list_for_each_entry(pair, &a->pairs.head, pairs.node) {
174                 evsel = hists_to_evsel(pair->hists);
175                 fields_a[perf_evsel__group_idx(evsel)] = get_field(pair);
176         }
177 
178         list_for_each_entry(pair, &b->pairs.head, pairs.node) {
179                 evsel = hists_to_evsel(pair->hists);
180                 fields_b[perf_evsel__group_idx(evsel)] = get_field(pair);
181         }
182 
183         for (i = 1; i < nr_members; i++) {
184                 ret = field_cmp(fields_a[i], fields_b[i]);
185                 if (ret)
186                         break;
187         }
188 
189 out:
190         free(fields_a);
191         free(fields_b);
192 
193         return ret;
194 }
195 
196 static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b,
197                            hpp_field_fn get_field)
198 {
199         s64 ret = 0;
200 
201         if (symbol_conf.cumulate_callchain) {
202                 /*
203                  * Put caller above callee when they have equal period.
204                  */
205                 ret = field_cmp(get_field(a), get_field(b));
206                 if (ret)
207                         return ret;
208 
209                 if (a->thread != b->thread || !symbol_conf.use_callchain)
210                         return 0;
211 
212                 ret = b->callchain->max_depth - a->callchain->max_depth;
213                 if (callchain_param.order == ORDER_CALLER)
214                         ret = -ret;
215         }
216         return ret;
217 }
218 
219 static int hpp__width_fn(struct perf_hpp_fmt *fmt,
220                          struct perf_hpp *hpp __maybe_unused,
221                          struct hists *hists)
222 {
223         int len = fmt->user_len ?: fmt->len;
224         struct perf_evsel *evsel = hists_to_evsel(hists);
225 
226         if (symbol_conf.event_group)
227                 len = max(len, evsel->nr_members * fmt->len);
228 
229         if (len < (int)strlen(fmt->name))
230                 len = strlen(fmt->name);
231 
232         return len;
233 }
234 
235 static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
236                           struct hists *hists, int line __maybe_unused,
237                           int *span __maybe_unused)
238 {
239         int len = hpp__width_fn(fmt, hpp, hists);
240         return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
241 }
242 
243 int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
244 {
245         va_list args;
246         ssize_t ssize = hpp->size;
247         double percent;
248         int ret, len;
249 
250         va_start(args, fmt);
251         len = va_arg(args, int);
252         percent = va_arg(args, double);
253         ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
254         va_end(args);
255 
256         return (ret >= ssize) ? (ssize - 1) : ret;
257 }
258 
259 static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
260 {
261         va_list args;
262         ssize_t ssize = hpp->size;
263         int ret;
264 
265         va_start(args, fmt);
266         ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
267         va_end(args);
268 
269         return (ret >= ssize) ? (ssize - 1) : ret;
270 }
271 
272 #define __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
273 static u64 he_get_##_field(struct hist_entry *he)                               \
274 {                                                                               \
275         return he->stat._field;                                                 \
276 }                                                                               \
277                                                                                 \
278 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
279                               struct perf_hpp *hpp, struct hist_entry *he)      \
280 {                                                                               \
281         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
282                         hpp_color_scnprintf, true);                             \
283 }
284 
285 #define __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
286 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
287                               struct perf_hpp *hpp, struct hist_entry *he)      \
288 {                                                                               \
289         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
290                         hpp_entry_scnprintf, true);                             \
291 }
292 
293 #define __HPP_SORT_FN(_type, _field)                                            \
294 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
295                                  struct hist_entry *a, struct hist_entry *b)    \
296 {                                                                               \
297         return __hpp__sort(a, b, he_get_##_field);                              \
298 }
299 
300 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
301 static u64 he_get_acc_##_field(struct hist_entry *he)                           \
302 {                                                                               \
303         return he->stat_acc->_field;                                            \
304 }                                                                               \
305                                                                                 \
306 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
307                               struct perf_hpp *hpp, struct hist_entry *he)      \
308 {                                                                               \
309         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
310                             hpp_color_scnprintf, true);                         \
311 }
312 
313 #define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
314 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
315                               struct perf_hpp *hpp, struct hist_entry *he)      \
316 {                                                                               \
317         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
318                             hpp_entry_scnprintf, true);                         \
319 }
320 
321 #define __HPP_SORT_ACC_FN(_type, _field)                                        \
322 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
323                                  struct hist_entry *a, struct hist_entry *b)    \
324 {                                                                               \
325         return __hpp__sort_acc(a, b, he_get_acc_##_field);                      \
326 }
327 
328 #define __HPP_ENTRY_RAW_FN(_type, _field)                                       \
329 static u64 he_get_raw_##_field(struct hist_entry *he)                           \
330 {                                                                               \
331         return he->stat._field;                                                 \
332 }                                                                               \
333                                                                                 \
334 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
335                               struct perf_hpp *hpp, struct hist_entry *he)      \
336 {                                                                               \
337         return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64,         \
338                         hpp_entry_scnprintf, false);                            \
339 }
340 
341 #define __HPP_SORT_RAW_FN(_type, _field)                                        \
342 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
343                                  struct hist_entry *a, struct hist_entry *b)    \
344 {                                                                               \
345         return __hpp__sort(a, b, he_get_raw_##_field);                          \
346 }
347 
348 
349 #define HPP_PERCENT_FNS(_type, _field)                                  \
350 __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
351 __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
352 __HPP_SORT_FN(_type, _field)
353 
354 #define HPP_PERCENT_ACC_FNS(_type, _field)                              \
355 __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
356 __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
357 __HPP_SORT_ACC_FN(_type, _field)
358 
359 #define HPP_RAW_FNS(_type, _field)                                      \
360 __HPP_ENTRY_RAW_FN(_type, _field)                                       \
361 __HPP_SORT_RAW_FN(_type, _field)
362 
363 HPP_PERCENT_FNS(overhead, period)
364 HPP_PERCENT_FNS(overhead_sys, period_sys)
365 HPP_PERCENT_FNS(overhead_us, period_us)
366 HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
367 HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
368 HPP_PERCENT_ACC_FNS(overhead_acc, period)
369 
370 HPP_RAW_FNS(samples, nr_events)
371 HPP_RAW_FNS(period, period)
372 
373 static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
374                             struct hist_entry *a __maybe_unused,
375                             struct hist_entry *b __maybe_unused)
376 {
377         return 0;
378 }
379 
380 static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
381 {
382         return a->header == hpp__header_fn;
383 }
384 
385 static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
386 {
387         if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
388                 return false;
389 
390         return a->idx == b->idx;
391 }
392 
393 #define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)          \
394         {                                               \
395                 .name   = _name,                        \
396                 .header = hpp__header_fn,               \
397                 .width  = hpp__width_fn,                \
398                 .color  = hpp__color_ ## _fn,           \
399                 .entry  = hpp__entry_ ## _fn,           \
400                 .cmp    = hpp__nop_cmp,                 \
401                 .collapse = hpp__nop_cmp,               \
402                 .sort   = hpp__sort_ ## _fn,            \
403                 .idx    = PERF_HPP__ ## _idx,           \
404                 .equal  = hpp__equal,                   \
405         }
406 
407 #define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)      \
408         {                                               \
409                 .name   = _name,                        \
410                 .header = hpp__header_fn,               \
411                 .width  = hpp__width_fn,                \
412                 .color  = hpp__color_ ## _fn,           \
413                 .entry  = hpp__entry_ ## _fn,           \
414                 .cmp    = hpp__nop_cmp,                 \
415                 .collapse = hpp__nop_cmp,               \
416                 .sort   = hpp__sort_ ## _fn,            \
417                 .idx    = PERF_HPP__ ## _idx,           \
418                 .equal  = hpp__equal,                   \
419         }
420 
421 #define HPP__PRINT_FNS(_name, _fn, _idx)                \
422         {                                               \
423                 .name   = _name,                        \
424                 .header = hpp__header_fn,               \
425                 .width  = hpp__width_fn,                \
426                 .entry  = hpp__entry_ ## _fn,           \
427                 .cmp    = hpp__nop_cmp,                 \
428                 .collapse = hpp__nop_cmp,               \
429                 .sort   = hpp__sort_ ## _fn,            \
430                 .idx    = PERF_HPP__ ## _idx,           \
431                 .equal  = hpp__equal,                   \
432         }
433 
434 struct perf_hpp_fmt perf_hpp__format[] = {
435         HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
436         HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
437         HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
438         HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
439         HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
440         HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
441         HPP__PRINT_FNS("Samples", samples, SAMPLES),
442         HPP__PRINT_FNS("Period", period, PERIOD)
443 };
444 
445 struct perf_hpp_list perf_hpp_list = {
446         .fields = LIST_HEAD_INIT(perf_hpp_list.fields),
447         .sorts  = LIST_HEAD_INIT(perf_hpp_list.sorts),
448         .nr_header_lines = 1,
449 };
450 
451 #undef HPP__COLOR_PRINT_FNS
452 #undef HPP__COLOR_ACC_PRINT_FNS
453 #undef HPP__PRINT_FNS
454 
455 #undef HPP_PERCENT_FNS
456 #undef HPP_PERCENT_ACC_FNS
457 #undef HPP_RAW_FNS
458 
459 #undef __HPP_HEADER_FN
460 #undef __HPP_WIDTH_FN
461 #undef __HPP_COLOR_PERCENT_FN
462 #undef __HPP_ENTRY_PERCENT_FN
463 #undef __HPP_COLOR_ACC_PERCENT_FN
464 #undef __HPP_ENTRY_ACC_PERCENT_FN
465 #undef __HPP_ENTRY_RAW_FN
466 #undef __HPP_SORT_FN
467 #undef __HPP_SORT_ACC_FN
468 #undef __HPP_SORT_RAW_FN
469 
470 
471 void perf_hpp__init(void)
472 {
473         int i;
474 
475         for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
476                 struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
477 
478                 INIT_LIST_HEAD(&fmt->list);
479 
480                 /* sort_list may be linked by setup_sorting() */
481                 if (fmt->sort_list.next == NULL)
482                         INIT_LIST_HEAD(&fmt->sort_list);
483         }
484 
485         /*
486          * If user specified field order, no need to setup default fields.
487          */
488         if (is_strict_order(field_order))
489                 return;
490 
491         if (symbol_conf.cumulate_callchain) {
492                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
493                 perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
494         }
495 
496         hpp_dimension__add_output(PERF_HPP__OVERHEAD);
497 
498         if (symbol_conf.show_cpu_utilization) {
499                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
500                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
501 
502                 if (perf_guest) {
503                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
504                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
505                 }
506         }
507 
508         if (symbol_conf.show_nr_samples)
509                 hpp_dimension__add_output(PERF_HPP__SAMPLES);
510 
511         if (symbol_conf.show_total_period)
512                 hpp_dimension__add_output(PERF_HPP__PERIOD);
513 }
514 
515 void perf_hpp_list__column_register(struct perf_hpp_list *list,
516                                     struct perf_hpp_fmt *format)
517 {
518         list_add_tail(&format->list, &list->fields);
519 }
520 
521 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
522                                         struct perf_hpp_fmt *format)
523 {
524         list_add_tail(&format->sort_list, &list->sorts);
525 }
526 
527 void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
528                                        struct perf_hpp_fmt *format)
529 {
530         list_add(&format->sort_list, &list->sorts);
531 }
532 
533 void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
534 {
535         list_del(&format->list);
536 }
537 
538 void perf_hpp__cancel_cumulate(void)
539 {
540         struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
541 
542         if (is_strict_order(field_order))
543                 return;
544 
545         ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
546         acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
547 
548         perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
549                 if (acc->equal(acc, fmt)) {
550                         perf_hpp__column_unregister(fmt);
551                         continue;
552                 }
553 
554                 if (ovh->equal(ovh, fmt))
555                         fmt->name = "Overhead";
556         }
557 }
558 
559 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
560 {
561         return a->equal && a->equal(a, b);
562 }
563 
564 void perf_hpp__setup_output_field(struct perf_hpp_list *list)
565 {
566         struct perf_hpp_fmt *fmt;
567 
568         /* append sort keys to output field */
569         perf_hpp_list__for_each_sort_list(list, fmt) {
570                 struct perf_hpp_fmt *pos;
571 
572                 /* skip sort-only fields ("sort_compute" in perf diff) */
573                 if (!fmt->entry && !fmt->color)
574                         continue;
575 
576                 perf_hpp_list__for_each_format(list, pos) {
577                         if (fmt_equal(fmt, pos))
578                                 goto next;
579                 }
580 
581                 perf_hpp__column_register(fmt);
582 next:
583                 continue;
584         }
585 }
586 
587 void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
588 {
589         struct perf_hpp_fmt *fmt;
590 
591         /* append output fields to sort keys */
592         perf_hpp_list__for_each_format(list, fmt) {
593                 struct perf_hpp_fmt *pos;
594 
595                 perf_hpp_list__for_each_sort_list(list, pos) {
596                         if (fmt_equal(fmt, pos))
597                                 goto next;
598                 }
599 
600                 perf_hpp__register_sort_field(fmt);
601 next:
602                 continue;
603         }
604 }
605 
606 
607 static void fmt_free(struct perf_hpp_fmt *fmt)
608 {
609         if (fmt->free)
610                 fmt->free(fmt);
611 }
612 
613 void perf_hpp__reset_output_field(struct perf_hpp_list *list)
614 {
615         struct perf_hpp_fmt *fmt, *tmp;
616 
617         /* reset output fields */
618         perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
619                 list_del_init(&fmt->list);
620                 list_del_init(&fmt->sort_list);
621                 fmt_free(fmt);
622         }
623 
624         /* reset sort keys */
625         perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
626                 list_del_init(&fmt->list);
627                 list_del_init(&fmt->sort_list);
628                 fmt_free(fmt);
629         }
630 }
631 
632 /*
633  * See hists__fprintf to match the column widths
634  */
635 unsigned int hists__sort_list_width(struct hists *hists)
636 {
637         struct perf_hpp_fmt *fmt;
638         int ret = 0;
639         bool first = true;
640         struct perf_hpp dummy_hpp;
641 
642         hists__for_each_format(hists, fmt) {
643                 if (perf_hpp__should_skip(fmt, hists))
644                         continue;
645 
646                 if (first)
647                         first = false;
648                 else
649                         ret += 2;
650 
651                 ret += fmt->width(fmt, &dummy_hpp, hists);
652         }
653 
654         if (verbose > 0 && hists__has(hists, sym)) /* Addr + origin */
655                 ret += 3 + BITS_PER_LONG / 4;
656 
657         return ret;
658 }
659 
660 unsigned int hists__overhead_width(struct hists *hists)
661 {
662         struct perf_hpp_fmt *fmt;
663         int ret = 0;
664         bool first = true;
665         struct perf_hpp dummy_hpp;
666 
667         hists__for_each_format(hists, fmt) {
668                 if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
669                         break;
670 
671                 if (first)
672                         first = false;
673                 else
674                         ret += 2;
675 
676                 ret += fmt->width(fmt, &dummy_hpp, hists);
677         }
678 
679         return ret;
680 }
681 
682 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
683 {
684         if (perf_hpp__is_sort_entry(fmt))
685                 return perf_hpp__reset_sort_width(fmt, hists);
686 
687         if (perf_hpp__is_dynamic_entry(fmt))
688                 return;
689 
690         BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
691 
692         switch (fmt->idx) {
693         case PERF_HPP__OVERHEAD:
694         case PERF_HPP__OVERHEAD_SYS:
695         case PERF_HPP__OVERHEAD_US:
696         case PERF_HPP__OVERHEAD_ACC:
697                 fmt->len = 8;
698                 break;
699 
700         case PERF_HPP__OVERHEAD_GUEST_SYS:
701         case PERF_HPP__OVERHEAD_GUEST_US:
702                 fmt->len = 9;
703                 break;
704 
705         case PERF_HPP__SAMPLES:
706         case PERF_HPP__PERIOD:
707                 fmt->len = 12;
708                 break;
709 
710         default:
711                 break;
712         }
713 }
714 
715 void hists__reset_column_width(struct hists *hists)
716 {
717         struct perf_hpp_fmt *fmt;
718         struct perf_hpp_list_node *node;
719 
720         hists__for_each_format(hists, fmt)
721                 perf_hpp__reset_width(fmt, hists);
722 
723         /* hierarchy entries have their own hpp list */
724         list_for_each_entry(node, &hists->hpp_formats, list) {
725                 perf_hpp_list__for_each_format(&node->hpp, fmt)
726                         perf_hpp__reset_width(fmt, hists);
727         }
728 }
729 
730 void perf_hpp__set_user_width(const char *width_list_str)
731 {
732         struct perf_hpp_fmt *fmt;
733         const char *ptr = width_list_str;
734 
735         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
736                 char *p;
737 
738                 int len = strtol(ptr, &p, 10);
739                 fmt->user_len = len;
740 
741                 if (*p == ',')
742                         ptr = p + 1;
743                 else
744                         break;
745         }
746 }
747 
748 static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
749 {
750         struct perf_hpp_list_node *node = NULL;
751         struct perf_hpp_fmt *fmt_copy;
752         bool found = false;
753         bool skip = perf_hpp__should_skip(fmt, hists);
754 
755         list_for_each_entry(node, &hists->hpp_formats, list) {
756                 if (node->level == fmt->level) {
757                         found = true;
758                         break;
759                 }
760         }
761 
762         if (!found) {
763                 node = malloc(sizeof(*node));
764                 if (node == NULL)
765                         return -1;
766 
767                 node->skip = skip;
768                 node->level = fmt->level;
769                 perf_hpp_list__init(&node->hpp);
770 
771                 hists->nr_hpp_node++;
772                 list_add_tail(&node->list, &hists->hpp_formats);
773         }
774 
775         fmt_copy = perf_hpp_fmt__dup(fmt);
776         if (fmt_copy == NULL)
777                 return -1;
778 
779         if (!skip)
780                 node->skip = false;
781 
782         list_add_tail(&fmt_copy->list, &node->hpp.fields);
783         list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
784 
785         return 0;
786 }
787 
788 int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
789                                   struct perf_evlist *evlist)
790 {
791         struct perf_evsel *evsel;
792         struct perf_hpp_fmt *fmt;
793         struct hists *hists;
794         int ret;
795 
796         if (!symbol_conf.report_hierarchy)
797                 return 0;
798 
799         evlist__for_each_entry(evlist, evsel) {
800                 hists = evsel__hists(evsel);
801 
802                 perf_hpp_list__for_each_sort_list(list, fmt) {
803                         if (perf_hpp__is_dynamic_entry(fmt) &&
804                             !perf_hpp__defined_dynamic_entry(fmt, hists))
805                                 continue;
806 
807                         ret = add_hierarchy_fmt(hists, fmt);
808                         if (ret < 0)
809                                 return ret;
810                 }
811         }
812 
813         return 0;
814 }
815 

~ [ 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