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

Version: ~ [ linux-5.4.2 ] ~ [ linux-5.3.15 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.88 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.158 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.206 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.206 ] ~ [ 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-3.16.78 ] ~ [ 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 <math.h>
  2 #include <linux/compiler.h>
  3 
  4 #include "../util/hist.h"
  5 #include "../util/util.h"
  6 #include "../util/sort.h"
  7 #include "../util/evsel.h"
  8 #include "../util/evlist.h"
  9 
 10 /* hist period print (hpp) functions */
 11 
 12 #define hpp__call_print_fn(hpp, fn, fmt, ...)                   \
 13 ({                                                              \
 14         int __ret = fn(hpp, fmt, ##__VA_ARGS__);                \
 15         advance_hpp(hpp, __ret);                                \
 16         __ret;                                                  \
 17 })
 18 
 19 static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
 20                       hpp_field_fn get_field, const char *fmt, int len,
 21                       hpp_snprint_fn print_fn, bool fmt_percent)
 22 {
 23         int ret;
 24         struct hists *hists = he->hists;
 25         struct perf_evsel *evsel = hists_to_evsel(hists);
 26         char *buf = hpp->buf;
 27         size_t size = hpp->size;
 28 
 29         if (fmt_percent) {
 30                 double percent = 0.0;
 31                 u64 total = hists__total_period(hists);
 32 
 33                 if (total)
 34                         percent = 100.0 * get_field(he) / total;
 35 
 36                 ret = hpp__call_print_fn(hpp, print_fn, fmt, len, percent);
 37         } else
 38                 ret = hpp__call_print_fn(hpp, print_fn, fmt, len, get_field(he));
 39 
 40         if (perf_evsel__is_group_event(evsel)) {
 41                 int prev_idx, idx_delta;
 42                 struct hist_entry *pair;
 43                 int nr_members = evsel->nr_members;
 44 
 45                 prev_idx = perf_evsel__group_idx(evsel);
 46 
 47                 list_for_each_entry(pair, &he->pairs.head, pairs.node) {
 48                         u64 period = get_field(pair);
 49                         u64 total = hists__total_period(pair->hists);
 50 
 51                         if (!total)
 52                                 continue;
 53 
 54                         evsel = hists_to_evsel(pair->hists);
 55                         idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
 56 
 57                         while (idx_delta--) {
 58                                 /*
 59                                  * zero-fill group members in the middle which
 60                                  * have no sample
 61                                  */
 62                                 if (fmt_percent) {
 63                                         ret += hpp__call_print_fn(hpp, print_fn,
 64                                                                   fmt, len, 0.0);
 65                                 } else {
 66                                         ret += hpp__call_print_fn(hpp, print_fn,
 67                                                                   fmt, len, 0ULL);
 68                                 }
 69                         }
 70 
 71                         if (fmt_percent) {
 72                                 ret += hpp__call_print_fn(hpp, print_fn, fmt, len,
 73                                                           100.0 * period / total);
 74                         } else {
 75                                 ret += hpp__call_print_fn(hpp, print_fn, fmt,
 76                                                           len, period);
 77                         }
 78 
 79                         prev_idx = perf_evsel__group_idx(evsel);
 80                 }
 81 
 82                 idx_delta = nr_members - prev_idx - 1;
 83 
 84                 while (idx_delta--) {
 85                         /*
 86                          * zero-fill group members at last which have no sample
 87                          */
 88                         if (fmt_percent) {
 89                                 ret += hpp__call_print_fn(hpp, print_fn,
 90                                                           fmt, len, 0.0);
 91                         } else {
 92                                 ret += hpp__call_print_fn(hpp, print_fn,
 93                                                           fmt, len, 0ULL);
 94                         }
 95                 }
 96         }
 97 
 98         /*
 99          * Restore original buf and size as it's where caller expects
100          * the result will be saved.
101          */
102         hpp->buf = buf;
103         hpp->size = size;
104 
105         return ret;
106 }
107 
108 int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
109              struct hist_entry *he, hpp_field_fn get_field,
110              const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
111 {
112         int len = fmt->user_len ?: fmt->len;
113 
114         if (symbol_conf.field_sep) {
115                 return __hpp__fmt(hpp, he, get_field, fmtstr, 1,
116                                   print_fn, fmt_percent);
117         }
118 
119         if (fmt_percent)
120                 len -= 2; /* 2 for a space and a % sign */
121         else
122                 len -= 1;
123 
124         return  __hpp__fmt(hpp, he, get_field, fmtstr, len, print_fn, fmt_percent);
125 }
126 
127 int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
128                  struct hist_entry *he, hpp_field_fn get_field,
129                  const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
130 {
131         if (!symbol_conf.cumulate_callchain) {
132                 int len = fmt->user_len ?: fmt->len;
133                 return snprintf(hpp->buf, hpp->size, " %*s", len - 1, "N/A");
134         }
135 
136         return hpp__fmt(fmt, hpp, he, get_field, fmtstr, print_fn, fmt_percent);
137 }
138 
139 static int field_cmp(u64 field_a, u64 field_b)
140 {
141         if (field_a > field_b)
142                 return 1;
143         if (field_a < field_b)
144                 return -1;
145         return 0;
146 }
147 
148 static int __hpp__sort(struct hist_entry *a, struct hist_entry *b,
149                        hpp_field_fn get_field)
150 {
151         s64 ret;
152         int i, nr_members;
153         struct perf_evsel *evsel;
154         struct hist_entry *pair;
155         u64 *fields_a, *fields_b;
156 
157         ret = field_cmp(get_field(a), get_field(b));
158         if (ret || !symbol_conf.event_group)
159                 return ret;
160 
161         evsel = hists_to_evsel(a->hists);
162         if (!perf_evsel__is_group_event(evsel))
163                 return ret;
164 
165         nr_members = evsel->nr_members;
166         fields_a = calloc(nr_members, sizeof(*fields_a));
167         fields_b = calloc(nr_members, sizeof(*fields_b));
168 
169         if (!fields_a || !fields_b)
170                 goto out;
171 
172         list_for_each_entry(pair, &a->pairs.head, pairs.node) {
173                 evsel = hists_to_evsel(pair->hists);
174                 fields_a[perf_evsel__group_idx(evsel)] = get_field(pair);
175         }
176 
177         list_for_each_entry(pair, &b->pairs.head, pairs.node) {
178                 evsel = hists_to_evsel(pair->hists);
179                 fields_b[perf_evsel__group_idx(evsel)] = get_field(pair);
180         }
181 
182         for (i = 1; i < nr_members; i++) {
183                 ret = field_cmp(fields_a[i], fields_b[i]);
184                 if (ret)
185                         break;
186         }
187 
188 out:
189         free(fields_a);
190         free(fields_b);
191 
192         return ret;
193 }
194 
195 static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b,
196                            hpp_field_fn get_field)
197 {
198         s64 ret = 0;
199 
200         if (symbol_conf.cumulate_callchain) {
201                 /*
202                  * Put caller above callee when they have equal period.
203                  */
204                 ret = field_cmp(get_field(a), get_field(b));
205                 if (ret)
206                         return ret;
207 
208                 if (a->thread != b->thread || !symbol_conf.use_callchain)
209                         return 0;
210 
211                 ret = b->callchain->max_depth - a->callchain->max_depth;
212         }
213         return ret;
214 }
215 
216 static int hpp__width_fn(struct perf_hpp_fmt *fmt,
217                          struct perf_hpp *hpp __maybe_unused,
218                          struct perf_evsel *evsel)
219 {
220         int len = fmt->user_len ?: fmt->len;
221 
222         if (symbol_conf.event_group)
223                 len = max(len, evsel->nr_members * fmt->len);
224 
225         if (len < (int)strlen(fmt->name))
226                 len = strlen(fmt->name);
227 
228         return len;
229 }
230 
231 static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
232                           struct perf_evsel *evsel)
233 {
234         int len = hpp__width_fn(fmt, hpp, evsel);
235         return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
236 }
237 
238 static int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
239 {
240         va_list args;
241         ssize_t ssize = hpp->size;
242         double percent;
243         int ret, len;
244 
245         va_start(args, fmt);
246         len = va_arg(args, int);
247         percent = va_arg(args, double);
248         ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
249         va_end(args);
250 
251         return (ret >= ssize) ? (ssize - 1) : ret;
252 }
253 
254 static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
255 {
256         va_list args;
257         ssize_t ssize = hpp->size;
258         int ret;
259 
260         va_start(args, fmt);
261         ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
262         va_end(args);
263 
264         return (ret >= ssize) ? (ssize - 1) : ret;
265 }
266 
267 #define __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
268 static u64 he_get_##_field(struct hist_entry *he)                               \
269 {                                                                               \
270         return he->stat._field;                                                 \
271 }                                                                               \
272                                                                                 \
273 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
274                               struct perf_hpp *hpp, struct hist_entry *he)      \
275 {                                                                               \
276         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
277                         hpp_color_scnprintf, true);                             \
278 }
279 
280 #define __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
281 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
282                               struct perf_hpp *hpp, struct hist_entry *he)      \
283 {                                                                               \
284         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
285                         hpp_entry_scnprintf, true);                             \
286 }
287 
288 #define __HPP_SORT_FN(_type, _field)                                            \
289 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
290                                  struct hist_entry *a, struct hist_entry *b)    \
291 {                                                                               \
292         return __hpp__sort(a, b, he_get_##_field);                              \
293 }
294 
295 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
296 static u64 he_get_acc_##_field(struct hist_entry *he)                           \
297 {                                                                               \
298         return he->stat_acc->_field;                                            \
299 }                                                                               \
300                                                                                 \
301 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
302                               struct perf_hpp *hpp, struct hist_entry *he)      \
303 {                                                                               \
304         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
305                             hpp_color_scnprintf, true);                         \
306 }
307 
308 #define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
309 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
310                               struct perf_hpp *hpp, struct hist_entry *he)      \
311 {                                                                               \
312         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
313                             hpp_entry_scnprintf, true);                         \
314 }
315 
316 #define __HPP_SORT_ACC_FN(_type, _field)                                        \
317 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
318                                  struct hist_entry *a, struct hist_entry *b)    \
319 {                                                                               \
320         return __hpp__sort_acc(a, b, he_get_acc_##_field);                      \
321 }
322 
323 #define __HPP_ENTRY_RAW_FN(_type, _field)                                       \
324 static u64 he_get_raw_##_field(struct hist_entry *he)                           \
325 {                                                                               \
326         return he->stat._field;                                                 \
327 }                                                                               \
328                                                                                 \
329 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
330                               struct perf_hpp *hpp, struct hist_entry *he)      \
331 {                                                                               \
332         return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64,         \
333                         hpp_entry_scnprintf, false);                            \
334 }
335 
336 #define __HPP_SORT_RAW_FN(_type, _field)                                        \
337 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
338                                  struct hist_entry *a, struct hist_entry *b)    \
339 {                                                                               \
340         return __hpp__sort(a, b, he_get_raw_##_field);                          \
341 }
342 
343 
344 #define HPP_PERCENT_FNS(_type, _field)                                  \
345 __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
346 __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
347 __HPP_SORT_FN(_type, _field)
348 
349 #define HPP_PERCENT_ACC_FNS(_type, _field)                              \
350 __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
351 __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
352 __HPP_SORT_ACC_FN(_type, _field)
353 
354 #define HPP_RAW_FNS(_type, _field)                                      \
355 __HPP_ENTRY_RAW_FN(_type, _field)                                       \
356 __HPP_SORT_RAW_FN(_type, _field)
357 
358 HPP_PERCENT_FNS(overhead, period)
359 HPP_PERCENT_FNS(overhead_sys, period_sys)
360 HPP_PERCENT_FNS(overhead_us, period_us)
361 HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
362 HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
363 HPP_PERCENT_ACC_FNS(overhead_acc, period)
364 
365 HPP_RAW_FNS(samples, nr_events)
366 HPP_RAW_FNS(period, period)
367 
368 static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
369                             struct hist_entry *a __maybe_unused,
370                             struct hist_entry *b __maybe_unused)
371 {
372         return 0;
373 }
374 
375 static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
376 {
377         return a->header == hpp__header_fn;
378 }
379 
380 static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
381 {
382         if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
383                 return false;
384 
385         return a->idx == b->idx;
386 }
387 
388 #define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)          \
389         {                                               \
390                 .name   = _name,                        \
391                 .header = hpp__header_fn,               \
392                 .width  = hpp__width_fn,                \
393                 .color  = hpp__color_ ## _fn,           \
394                 .entry  = hpp__entry_ ## _fn,           \
395                 .cmp    = hpp__nop_cmp,                 \
396                 .collapse = hpp__nop_cmp,               \
397                 .sort   = hpp__sort_ ## _fn,            \
398                 .idx    = PERF_HPP__ ## _idx,           \
399                 .equal  = hpp__equal,                   \
400         }
401 
402 #define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)      \
403         {                                               \
404                 .name   = _name,                        \
405                 .header = hpp__header_fn,               \
406                 .width  = hpp__width_fn,                \
407                 .color  = hpp__color_ ## _fn,           \
408                 .entry  = hpp__entry_ ## _fn,           \
409                 .cmp    = hpp__nop_cmp,                 \
410                 .collapse = hpp__nop_cmp,               \
411                 .sort   = hpp__sort_ ## _fn,            \
412                 .idx    = PERF_HPP__ ## _idx,           \
413                 .equal  = hpp__equal,                   \
414         }
415 
416 #define HPP__PRINT_FNS(_name, _fn, _idx)                \
417         {                                               \
418                 .name   = _name,                        \
419                 .header = hpp__header_fn,               \
420                 .width  = hpp__width_fn,                \
421                 .entry  = hpp__entry_ ## _fn,           \
422                 .cmp    = hpp__nop_cmp,                 \
423                 .collapse = hpp__nop_cmp,               \
424                 .sort   = hpp__sort_ ## _fn,            \
425                 .idx    = PERF_HPP__ ## _idx,           \
426                 .equal  = hpp__equal,                   \
427         }
428 
429 struct perf_hpp_fmt perf_hpp__format[] = {
430         HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
431         HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
432         HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
433         HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
434         HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
435         HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
436         HPP__PRINT_FNS("Samples", samples, SAMPLES),
437         HPP__PRINT_FNS("Period", period, PERIOD)
438 };
439 
440 struct perf_hpp_list perf_hpp_list = {
441         .fields = LIST_HEAD_INIT(perf_hpp_list.fields),
442         .sorts  = LIST_HEAD_INIT(perf_hpp_list.sorts),
443 };
444 
445 #undef HPP__COLOR_PRINT_FNS
446 #undef HPP__COLOR_ACC_PRINT_FNS
447 #undef HPP__PRINT_FNS
448 
449 #undef HPP_PERCENT_FNS
450 #undef HPP_PERCENT_ACC_FNS
451 #undef HPP_RAW_FNS
452 
453 #undef __HPP_HEADER_FN
454 #undef __HPP_WIDTH_FN
455 #undef __HPP_COLOR_PERCENT_FN
456 #undef __HPP_ENTRY_PERCENT_FN
457 #undef __HPP_COLOR_ACC_PERCENT_FN
458 #undef __HPP_ENTRY_ACC_PERCENT_FN
459 #undef __HPP_ENTRY_RAW_FN
460 #undef __HPP_SORT_FN
461 #undef __HPP_SORT_ACC_FN
462 #undef __HPP_SORT_RAW_FN
463 
464 
465 void perf_hpp__init(void)
466 {
467         int i;
468 
469         for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
470                 struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
471 
472                 INIT_LIST_HEAD(&fmt->list);
473 
474                 /* sort_list may be linked by setup_sorting() */
475                 if (fmt->sort_list.next == NULL)
476                         INIT_LIST_HEAD(&fmt->sort_list);
477         }
478 
479         /*
480          * If user specified field order, no need to setup default fields.
481          */
482         if (is_strict_order(field_order))
483                 return;
484 
485         if (symbol_conf.cumulate_callchain) {
486                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
487                 perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
488         }
489 
490         hpp_dimension__add_output(PERF_HPP__OVERHEAD);
491 
492         if (symbol_conf.show_cpu_utilization) {
493                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
494                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
495 
496                 if (perf_guest) {
497                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
498                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
499                 }
500         }
501 
502         if (symbol_conf.show_nr_samples)
503                 hpp_dimension__add_output(PERF_HPP__SAMPLES);
504 
505         if (symbol_conf.show_total_period)
506                 hpp_dimension__add_output(PERF_HPP__PERIOD);
507 }
508 
509 void perf_hpp_list__column_register(struct perf_hpp_list *list,
510                                     struct perf_hpp_fmt *format)
511 {
512         list_add_tail(&format->list, &list->fields);
513 }
514 
515 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
516                                         struct perf_hpp_fmt *format)
517 {
518         list_add_tail(&format->sort_list, &list->sorts);
519 }
520 
521 void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
522 {
523         list_del(&format->list);
524 }
525 
526 void perf_hpp__cancel_cumulate(void)
527 {
528         struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
529 
530         if (is_strict_order(field_order))
531                 return;
532 
533         ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
534         acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
535 
536         perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
537                 if (acc->equal(acc, fmt)) {
538                         perf_hpp__column_unregister(fmt);
539                         continue;
540                 }
541 
542                 if (ovh->equal(ovh, fmt))
543                         fmt->name = "Overhead";
544         }
545 }
546 
547 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
548 {
549         return a->equal && a->equal(a, b);
550 }
551 
552 void perf_hpp__setup_output_field(struct perf_hpp_list *list)
553 {
554         struct perf_hpp_fmt *fmt;
555 
556         /* append sort keys to output field */
557         perf_hpp_list__for_each_sort_list(list, fmt) {
558                 struct perf_hpp_fmt *pos;
559 
560                 perf_hpp_list__for_each_format(list, pos) {
561                         if (fmt_equal(fmt, pos))
562                                 goto next;
563                 }
564 
565                 perf_hpp__column_register(fmt);
566 next:
567                 continue;
568         }
569 }
570 
571 void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
572 {
573         struct perf_hpp_fmt *fmt;
574 
575         /* append output fields to sort keys */
576         perf_hpp_list__for_each_format(list, fmt) {
577                 struct perf_hpp_fmt *pos;
578 
579                 perf_hpp_list__for_each_sort_list(list, pos) {
580                         if (fmt_equal(fmt, pos))
581                                 goto next;
582                 }
583 
584                 perf_hpp__register_sort_field(fmt);
585 next:
586                 continue;
587         }
588 }
589 
590 
591 static void fmt_free(struct perf_hpp_fmt *fmt)
592 {
593         if (fmt->free)
594                 fmt->free(fmt);
595 }
596 
597 void perf_hpp__reset_output_field(struct perf_hpp_list *list)
598 {
599         struct perf_hpp_fmt *fmt, *tmp;
600 
601         /* reset output fields */
602         perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
603                 list_del_init(&fmt->list);
604                 list_del_init(&fmt->sort_list);
605                 fmt_free(fmt);
606         }
607 
608         /* reset sort keys */
609         perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
610                 list_del_init(&fmt->list);
611                 list_del_init(&fmt->sort_list);
612                 fmt_free(fmt);
613         }
614 }
615 
616 /*
617  * See hists__fprintf to match the column widths
618  */
619 unsigned int hists__sort_list_width(struct hists *hists)
620 {
621         struct perf_hpp_fmt *fmt;
622         int ret = 0;
623         bool first = true;
624         struct perf_hpp dummy_hpp;
625 
626         hists__for_each_format(hists, fmt) {
627                 if (perf_hpp__should_skip(fmt, hists))
628                         continue;
629 
630                 if (first)
631                         first = false;
632                 else
633                         ret += 2;
634 
635                 ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists));
636         }
637 
638         if (verbose && hists__has(hists, sym)) /* Addr + origin */
639                 ret += 3 + BITS_PER_LONG / 4;
640 
641         return ret;
642 }
643 
644 unsigned int hists__overhead_width(struct hists *hists)
645 {
646         struct perf_hpp_fmt *fmt;
647         int ret = 0;
648         bool first = true;
649         struct perf_hpp dummy_hpp;
650 
651         hists__for_each_format(hists, fmt) {
652                 if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
653                         break;
654 
655                 if (first)
656                         first = false;
657                 else
658                         ret += 2;
659 
660                 ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists));
661         }
662 
663         return ret;
664 }
665 
666 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
667 {
668         if (perf_hpp__is_sort_entry(fmt))
669                 return perf_hpp__reset_sort_width(fmt, hists);
670 
671         if (perf_hpp__is_dynamic_entry(fmt))
672                 return;
673 
674         BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
675 
676         switch (fmt->idx) {
677         case PERF_HPP__OVERHEAD:
678         case PERF_HPP__OVERHEAD_SYS:
679         case PERF_HPP__OVERHEAD_US:
680         case PERF_HPP__OVERHEAD_ACC:
681                 fmt->len = 8;
682                 break;
683 
684         case PERF_HPP__OVERHEAD_GUEST_SYS:
685         case PERF_HPP__OVERHEAD_GUEST_US:
686                 fmt->len = 9;
687                 break;
688 
689         case PERF_HPP__SAMPLES:
690         case PERF_HPP__PERIOD:
691                 fmt->len = 12;
692                 break;
693 
694         default:
695                 break;
696         }
697 }
698 
699 void perf_hpp__set_user_width(const char *width_list_str)
700 {
701         struct perf_hpp_fmt *fmt;
702         const char *ptr = width_list_str;
703 
704         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
705                 char *p;
706 
707                 int len = strtol(ptr, &p, 10);
708                 fmt->user_len = len;
709 
710                 if (*p == ',')
711                         ptr = p + 1;
712                 else
713                         break;
714         }
715 }
716 
717 static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
718 {
719         struct perf_hpp_list_node *node = NULL;
720         struct perf_hpp_fmt *fmt_copy;
721         bool found = false;
722         bool skip = perf_hpp__should_skip(fmt, hists);
723 
724         list_for_each_entry(node, &hists->hpp_formats, list) {
725                 if (node->level == fmt->level) {
726                         found = true;
727                         break;
728                 }
729         }
730 
731         if (!found) {
732                 node = malloc(sizeof(*node));
733                 if (node == NULL)
734                         return -1;
735 
736                 node->skip = skip;
737                 node->level = fmt->level;
738                 perf_hpp_list__init(&node->hpp);
739 
740                 hists->nr_hpp_node++;
741                 list_add_tail(&node->list, &hists->hpp_formats);
742         }
743 
744         fmt_copy = perf_hpp_fmt__dup(fmt);
745         if (fmt_copy == NULL)
746                 return -1;
747 
748         if (!skip)
749                 node->skip = false;
750 
751         list_add_tail(&fmt_copy->list, &node->hpp.fields);
752         list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
753 
754         return 0;
755 }
756 
757 int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
758                                   struct perf_evlist *evlist)
759 {
760         struct perf_evsel *evsel;
761         struct perf_hpp_fmt *fmt;
762         struct hists *hists;
763         int ret;
764 
765         if (!symbol_conf.report_hierarchy)
766                 return 0;
767 
768         evlist__for_each(evlist, evsel) {
769                 hists = evsel__hists(evsel);
770 
771                 perf_hpp_list__for_each_sort_list(list, fmt) {
772                         if (perf_hpp__is_dynamic_entry(fmt) &&
773                             !perf_hpp__defined_dynamic_entry(fmt, hists))
774                                 continue;
775 
776                         ret = add_hierarchy_fmt(hists, fmt);
777                         if (ret < 0)
778                                 return ret;
779                 }
780         }
781 
782         return 0;
783 }
784 

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