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Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
[deliverable/linux.git] / tools / perf / ui / hist.c
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 }
Linux kernel - Deliverables
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