perf report/top: Add option to collapse undesired parts of call graph
[deliverable/linux.git] / tools / perf / ui / hist.c
CommitLineData
ea251d51
NK
1#include <math.h>
2
3#include "../util/hist.h"
4#include "../util/util.h"
5#include "../util/sort.h"
4fb71074 6#include "../util/evsel.h"
ea251d51
NK
7
8/* hist period print (hpp) functions */
ea251d51 9
4fb71074 10typedef int (*hpp_snprint_fn)(char *buf, size_t size, const char *fmt, ...);
ea251d51 11
0c5268bf
JO
12static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
13 u64 (*get_field)(struct hist_entry *),
14 const char *fmt, hpp_snprint_fn print_fn,
15 bool fmt_percent)
ea251d51 16{
4fb71074 17 int ret;
b5ff71c3 18 struct hists *hists = he->hists;
759ff497 19 struct perf_evsel *evsel = hists_to_evsel(hists);
ea251d51 20
0c5268bf
JO
21 if (fmt_percent) {
22 double percent = 0.0;
9ffad987 23
0c5268bf
JO
24 if (hists->stats.total_period)
25 percent = 100.0 * get_field(he) /
26 hists->stats.total_period;
27
28 ret = print_fn(hpp->buf, hpp->size, fmt, percent);
29 } else
30 ret = print_fn(hpp->buf, hpp->size, fmt, get_field(he));
5b9e2146 31
759ff497 32 if (perf_evsel__is_group_event(evsel)) {
5b9e2146 33 int prev_idx, idx_delta;
5b9e2146
NK
34 struct hist_entry *pair;
35 int nr_members = evsel->nr_members;
36
5b9e2146
NK
37 prev_idx = perf_evsel__group_idx(evsel);
38
39 list_for_each_entry(pair, &he->pairs.head, pairs.node) {
40 u64 period = get_field(pair);
41 u64 total = pair->hists->stats.total_period;
42
43 if (!total)
44 continue;
45
46 evsel = hists_to_evsel(pair->hists);
47 idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
48
49 while (idx_delta--) {
50 /*
51 * zero-fill group members in the middle which
52 * have no sample
53 */
54 ret += print_fn(hpp->buf + ret, hpp->size - ret,
0c5268bf 55 fmt, 0);
5b9e2146
NK
56 }
57
0c5268bf
JO
58 if (fmt_percent)
59 ret += print_fn(hpp->buf + ret, hpp->size - ret,
60 fmt, 100.0 * period / total);
61 else
62 ret += print_fn(hpp->buf + ret, hpp->size - ret,
63 fmt, period);
5b9e2146
NK
64
65 prev_idx = perf_evsel__group_idx(evsel);
66 }
67
68 idx_delta = nr_members - prev_idx - 1;
69
70 while (idx_delta--) {
71 /*
72 * zero-fill group members at last which have no sample
73 */
74 ret += print_fn(hpp->buf + ret, hpp->size - ret,
0c5268bf 75 fmt, 0);
5b9e2146
NK
76 }
77 }
4fb71074 78 return ret;
ea251d51
NK
79}
80
4fb71074
NK
81#define __HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \
82static int hpp__header_##_type(struct perf_hpp *hpp) \
83{ \
84 int len = _min_width; \
85 \
5b9e2146
NK
86 if (symbol_conf.event_group) { \
87 struct perf_evsel *evsel = hpp->ptr; \
88 \
89 len = max(len, evsel->nr_members * _unit_width); \
90 } \
4fb71074 91 return scnprintf(hpp->buf, hpp->size, "%*s", len, _str); \
ea251d51
NK
92}
93
4fb71074
NK
94#define __HPP_WIDTH_FN(_type, _min_width, _unit_width) \
95static int hpp__width_##_type(struct perf_hpp *hpp __maybe_unused) \
96{ \
97 int len = _min_width; \
98 \
5b9e2146
NK
99 if (symbol_conf.event_group) { \
100 struct perf_evsel *evsel = hpp->ptr; \
101 \
102 len = max(len, evsel->nr_members * _unit_width); \
103 } \
4fb71074 104 return len; \
ea251d51
NK
105}
106
4fb71074
NK
107#define __HPP_COLOR_PERCENT_FN(_type, _field) \
108static u64 he_get_##_field(struct hist_entry *he) \
109{ \
110 return he->stat._field; \
111} \
112 \
113static int hpp__color_##_type(struct perf_hpp *hpp, struct hist_entry *he) \
114{ \
0c5268bf
JO
115 return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%", \
116 (hpp_snprint_fn)percent_color_snprintf, true); \
ea251d51
NK
117}
118
4fb71074
NK
119#define __HPP_ENTRY_PERCENT_FN(_type, _field) \
120static int hpp__entry_##_type(struct perf_hpp *hpp, struct hist_entry *he) \
121{ \
122 const char *fmt = symbol_conf.field_sep ? " %.2f" : " %6.2f%%"; \
0c5268bf
JO
123 return __hpp__fmt(hpp, he, he_get_##_field, fmt, \
124 scnprintf, true); \
ea251d51
NK
125}
126
4fb71074
NK
127#define __HPP_ENTRY_RAW_FN(_type, _field) \
128static u64 he_get_raw_##_field(struct hist_entry *he) \
129{ \
130 return he->stat._field; \
131} \
132 \
133static int hpp__entry_##_type(struct perf_hpp *hpp, struct hist_entry *he) \
134{ \
135 const char *fmt = symbol_conf.field_sep ? " %"PRIu64 : " %11"PRIu64; \
0c5268bf 136 return __hpp__fmt(hpp, he, he_get_raw_##_field, fmt, scnprintf, false); \
ea251d51
NK
137}
138
4fb71074
NK
139#define HPP_PERCENT_FNS(_type, _str, _field, _min_width, _unit_width) \
140__HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \
141__HPP_WIDTH_FN(_type, _min_width, _unit_width) \
142__HPP_COLOR_PERCENT_FN(_type, _field) \
143__HPP_ENTRY_PERCENT_FN(_type, _field)
ea251d51 144
4fb71074
NK
145#define HPP_RAW_FNS(_type, _str, _field, _min_width, _unit_width) \
146__HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \
147__HPP_WIDTH_FN(_type, _min_width, _unit_width) \
148__HPP_ENTRY_RAW_FN(_type, _field)
ea251d51 149
b5ff71c3 150
4fb71074
NK
151HPP_PERCENT_FNS(overhead, "Overhead", period, 8, 8)
152HPP_PERCENT_FNS(overhead_sys, "sys", period_sys, 8, 8)
153HPP_PERCENT_FNS(overhead_us, "usr", period_us, 8, 8)
154HPP_PERCENT_FNS(overhead_guest_sys, "guest sys", period_guest_sys, 9, 8)
155HPP_PERCENT_FNS(overhead_guest_us, "guest usr", period_guest_us, 9, 8)
ea251d51 156
4fb71074
NK
157HPP_RAW_FNS(samples, "Samples", nr_events, 12, 12)
158HPP_RAW_FNS(period, "Period", period, 12, 12)
9ffad987 159
ea251d51 160
5395a048
JO
161static int hpp__header_baseline(struct perf_hpp *hpp)
162{
163 return scnprintf(hpp->buf, hpp->size, "Baseline");
164}
165
166static int hpp__width_baseline(struct perf_hpp *hpp __maybe_unused)
167{
168 return 8;
169}
170
171static double baseline_percent(struct hist_entry *he)
172{
b821c732 173 struct hist_entry *pair = hist_entry__next_pair(he);
5395a048
JO
174 struct hists *pair_hists = pair ? pair->hists : NULL;
175 double percent = 0.0;
176
177 if (pair) {
178 u64 total_period = pair_hists->stats.total_period;
b24c28f7 179 u64 base_period = pair->stat.period;
5395a048
JO
180
181 percent = 100.0 * base_period / total_period;
182 }
183
184 return percent;
185}
186
187static int hpp__color_baseline(struct perf_hpp *hpp, struct hist_entry *he)
188{
189 double percent = baseline_percent(he);
190
4fb71074 191 if (hist_entry__has_pairs(he) || symbol_conf.field_sep)
6e92349d
JO
192 return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent);
193 else
194 return scnprintf(hpp->buf, hpp->size, " ");
5395a048
JO
195}
196
197static int hpp__entry_baseline(struct perf_hpp *hpp, struct hist_entry *he)
198{
199 double percent = baseline_percent(he);
200 const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%";
201
b821c732 202 if (hist_entry__has_pairs(he) || symbol_conf.field_sep)
6e92349d
JO
203 return scnprintf(hpp->buf, hpp->size, fmt, percent);
204 else
205 return scnprintf(hpp->buf, hpp->size, " ");
5395a048
JO
206}
207
61949b21
JO
208static int hpp__header_period_baseline(struct perf_hpp *hpp)
209{
210 const char *fmt = symbol_conf.field_sep ? "%s" : "%12s";
211
212 return scnprintf(hpp->buf, hpp->size, fmt, "Period Base");
213}
214
215static int hpp__width_period_baseline(struct perf_hpp *hpp __maybe_unused)
216{
217 return 12;
218}
219
220static int hpp__entry_period_baseline(struct perf_hpp *hpp, struct hist_entry *he)
221{
b821c732 222 struct hist_entry *pair = hist_entry__next_pair(he);
61949b21
JO
223 u64 period = pair ? pair->stat.period : 0;
224 const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%12" PRIu64;
225
226 return scnprintf(hpp->buf, hpp->size, fmt, period);
227}
4fb71074 228
ea251d51
NK
229static int hpp__header_delta(struct perf_hpp *hpp)
230{
9ffad987
NK
231 const char *fmt = symbol_conf.field_sep ? "%s" : "%7s";
232
233 return scnprintf(hpp->buf, hpp->size, fmt, "Delta");
ea251d51
NK
234}
235
1d037ca1 236static int hpp__width_delta(struct perf_hpp *hpp __maybe_unused)
ea251d51
NK
237{
238 return 7;
239}
240
241static int hpp__entry_delta(struct perf_hpp *hpp, struct hist_entry *he)
242{
05472daa 243 struct hist_entry *pair = hist_entry__next_pair(he);
9ffad987
NK
244 const char *fmt = symbol_conf.field_sep ? "%s" : "%7.7s";
245 char buf[32] = " ";
05472daa 246 double diff = 0.0;
ea251d51 247
05472daa
JO
248 if (pair) {
249 if (he->diff.computed)
250 diff = he->diff.period_ratio_delta;
251 else
252 diff = perf_diff__compute_delta(he, pair);
253 } else
254 diff = perf_diff__period_percent(he, he->stat.period);
ea251d51 255
9ffad987
NK
256 if (fabs(diff) >= 0.01)
257 scnprintf(buf, sizeof(buf), "%+4.2F%%", diff);
ea251d51 258
9ffad987 259 return scnprintf(hpp->buf, hpp->size, fmt, buf);
ea251d51
NK
260}
261
7aaf6b35
JO
262static int hpp__header_ratio(struct perf_hpp *hpp)
263{
264 const char *fmt = symbol_conf.field_sep ? "%s" : "%14s";
265
266 return scnprintf(hpp->buf, hpp->size, fmt, "Ratio");
267}
268
269static int hpp__width_ratio(struct perf_hpp *hpp __maybe_unused)
270{
271 return 14;
272}
273
274static int hpp__entry_ratio(struct perf_hpp *hpp, struct hist_entry *he)
275{
05472daa 276 struct hist_entry *pair = hist_entry__next_pair(he);
7aaf6b35
JO
277 const char *fmt = symbol_conf.field_sep ? "%s" : "%14s";
278 char buf[32] = " ";
05472daa 279 double ratio = 0.0;
96c47f19 280
05472daa
JO
281 if (pair) {
282 if (he->diff.computed)
283 ratio = he->diff.period_ratio;
284 else
285 ratio = perf_diff__compute_ratio(he, pair);
286 }
7aaf6b35
JO
287
288 if (ratio > 0.0)
289 scnprintf(buf, sizeof(buf), "%+14.6F", ratio);
290
291 return scnprintf(hpp->buf, hpp->size, fmt, buf);
292}
293
81d5f958
JO
294static int hpp__header_wdiff(struct perf_hpp *hpp)
295{
296 const char *fmt = symbol_conf.field_sep ? "%s" : "%14s";
297
298 return scnprintf(hpp->buf, hpp->size, fmt, "Weighted diff");
299}
300
301static int hpp__width_wdiff(struct perf_hpp *hpp __maybe_unused)
302{
303 return 14;
304}
305
306static int hpp__entry_wdiff(struct perf_hpp *hpp, struct hist_entry *he)
307{
05472daa 308 struct hist_entry *pair = hist_entry__next_pair(he);
81d5f958
JO
309 const char *fmt = symbol_conf.field_sep ? "%s" : "%14s";
310 char buf[32] = " ";
05472daa 311 s64 wdiff = 0;
81d5f958 312
05472daa
JO
313 if (pair) {
314 if (he->diff.computed)
315 wdiff = he->diff.wdiff;
316 else
317 wdiff = perf_diff__compute_wdiff(he, pair);
318 }
81d5f958
JO
319
320 if (wdiff != 0)
321 scnprintf(buf, sizeof(buf), "%14ld", wdiff);
322
323 return scnprintf(hpp->buf, hpp->size, fmt, buf);
324}
325
ed279da2
JO
326static int hpp__header_formula(struct perf_hpp *hpp)
327{
328 const char *fmt = symbol_conf.field_sep ? "%s" : "%70s";
329
330 return scnprintf(hpp->buf, hpp->size, fmt, "Formula");
331}
332
333static int hpp__width_formula(struct perf_hpp *hpp __maybe_unused)
334{
335 return 70;
336}
337
338static int hpp__entry_formula(struct perf_hpp *hpp, struct hist_entry *he)
339{
f4c8bae1 340 struct hist_entry *pair = hist_entry__next_pair(he);
ed279da2
JO
341 const char *fmt = symbol_conf.field_sep ? "%s" : "%-70s";
342 char buf[96] = " ";
343
f4c8bae1
JO
344 if (pair)
345 perf_diff__formula(he, pair, buf, sizeof(buf));
346
ed279da2
JO
347 return scnprintf(hpp->buf, hpp->size, fmt, buf);
348}
349
1240005e
JO
350#define HPP__COLOR_PRINT_FNS(_name) \
351 { \
352 .header = hpp__header_ ## _name, \
353 .width = hpp__width_ ## _name, \
354 .color = hpp__color_ ## _name, \
355 .entry = hpp__entry_ ## _name \
356 }
ea251d51 357
1240005e
JO
358#define HPP__PRINT_FNS(_name) \
359 { \
360 .header = hpp__header_ ## _name, \
361 .width = hpp__width_ ## _name, \
362 .entry = hpp__entry_ ## _name \
363 }
ea251d51
NK
364
365struct perf_hpp_fmt perf_hpp__format[] = {
1240005e
JO
366 HPP__COLOR_PRINT_FNS(baseline),
367 HPP__COLOR_PRINT_FNS(overhead),
368 HPP__COLOR_PRINT_FNS(overhead_sys),
369 HPP__COLOR_PRINT_FNS(overhead_us),
370 HPP__COLOR_PRINT_FNS(overhead_guest_sys),
371 HPP__COLOR_PRINT_FNS(overhead_guest_us),
372 HPP__PRINT_FNS(samples),
373 HPP__PRINT_FNS(period),
374 HPP__PRINT_FNS(period_baseline),
375 HPP__PRINT_FNS(delta),
376 HPP__PRINT_FNS(ratio),
377 HPP__PRINT_FNS(wdiff),
1240005e 378 HPP__PRINT_FNS(formula)
ea251d51
NK
379};
380
1240005e
JO
381LIST_HEAD(perf_hpp__list);
382
4fb71074 383
ea251d51
NK
384#undef HPP__COLOR_PRINT_FNS
385#undef HPP__PRINT_FNS
386
4fb71074
NK
387#undef HPP_PERCENT_FNS
388#undef HPP_RAW_FNS
389
390#undef __HPP_HEADER_FN
391#undef __HPP_WIDTH_FN
392#undef __HPP_COLOR_PERCENT_FN
393#undef __HPP_ENTRY_PERCENT_FN
394#undef __HPP_ENTRY_RAW_FN
395
396
1d77822e 397void perf_hpp__init(void)
ea251d51
NK
398{
399 if (symbol_conf.show_cpu_utilization) {
1240005e
JO
400 perf_hpp__column_enable(PERF_HPP__OVERHEAD_SYS);
401 perf_hpp__column_enable(PERF_HPP__OVERHEAD_US);
ea251d51
NK
402
403 if (perf_guest) {
1240005e
JO
404 perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_SYS);
405 perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_US);
ea251d51
NK
406 }
407 }
408
409 if (symbol_conf.show_nr_samples)
1240005e 410 perf_hpp__column_enable(PERF_HPP__SAMPLES);
ea251d51
NK
411
412 if (symbol_conf.show_total_period)
1240005e 413 perf_hpp__column_enable(PERF_HPP__PERIOD);
1d77822e 414}
ea251d51 415
1240005e
JO
416void perf_hpp__column_register(struct perf_hpp_fmt *format)
417{
418 list_add_tail(&format->list, &perf_hpp__list);
419}
420
421void perf_hpp__column_enable(unsigned col)
1d77822e
JO
422{
423 BUG_ON(col >= PERF_HPP__MAX_INDEX);
1240005e 424 perf_hpp__column_register(&perf_hpp__format[col]);
ea251d51
NK
425}
426
427static inline void advance_hpp(struct perf_hpp *hpp, int inc)
428{
429 hpp->buf += inc;
430 hpp->size -= inc;
431}
432
433int hist_entry__period_snprintf(struct perf_hpp *hpp, struct hist_entry *he,
434 bool color)
435{
436 const char *sep = symbol_conf.field_sep;
1240005e 437 struct perf_hpp_fmt *fmt;
ea251d51 438 char *start = hpp->buf;
1240005e 439 int ret;
5395a048 440 bool first = true;
ea251d51
NK
441
442 if (symbol_conf.exclude_other && !he->parent)
443 return 0;
444
1240005e 445 perf_hpp__for_each_format(fmt) {
c0d246b8
JO
446 /*
447 * If there's no field_sep, we still need
448 * to display initial ' '.
449 */
5395a048 450 if (!sep || !first) {
ea251d51
NK
451 ret = scnprintf(hpp->buf, hpp->size, "%s", sep ?: " ");
452 advance_hpp(hpp, ret);
c0d246b8 453 } else
5395a048 454 first = false;
ea251d51 455
1240005e
JO
456 if (color && fmt->color)
457 ret = fmt->color(hpp, he);
ea251d51 458 else
1240005e 459 ret = fmt->entry(hpp, he);
ea251d51
NK
460
461 advance_hpp(hpp, ret);
462 }
463
464 return hpp->buf - start;
465}
466
467int hist_entry__sort_snprintf(struct hist_entry *he, char *s, size_t size,
468 struct hists *hists)
469{
470 const char *sep = symbol_conf.field_sep;
471 struct sort_entry *se;
472 int ret = 0;
473
474 list_for_each_entry(se, &hist_entry__sort_list, list) {
475 if (se->elide)
476 continue;
477
478 ret += scnprintf(s + ret, size - ret, "%s", sep ?: " ");
479 ret += se->se_snprintf(he, s + ret, size - ret,
480 hists__col_len(hists, se->se_width_idx));
481 }
482
483 return ret;
484}
7e62ef44
NK
485
486/*
487 * See hists__fprintf to match the column widths
488 */
489unsigned int hists__sort_list_width(struct hists *hists)
490{
1240005e 491 struct perf_hpp_fmt *fmt;
7e62ef44 492 struct sort_entry *se;
1240005e 493 int i = 0, ret = 0;
5b9e2146
NK
494 struct perf_hpp dummy_hpp = {
495 .ptr = hists_to_evsel(hists),
496 };
7e62ef44 497
1240005e 498 perf_hpp__for_each_format(fmt) {
7e62ef44
NK
499 if (i)
500 ret += 2;
501
5b9e2146 502 ret += fmt->width(&dummy_hpp);
7e62ef44
NK
503 }
504
505 list_for_each_entry(se, &hist_entry__sort_list, list)
506 if (!se->elide)
507 ret += 2 + hists__col_len(hists, se->se_width_idx);
508
509 if (verbose) /* Addr + origin */
510 ret += 3 + BITS_PER_LONG / 4;
511
512 return ret;
513}
This page took 0.073344 seconds and 5 git commands to generate.