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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
86a9eee0 ACM |
2 | /* |
3 | * builtin-diff.c | |
4 | * | |
5 | * Builtin diff command: Analyze two perf.data input files, look up and read | |
6 | * DSOs and symbol information, sort them and produce a diff. | |
7 | */ | |
8 | #include "builtin.h" | |
c1a604df | 9 | #include "perf.h" |
86a9eee0 ACM |
10 | |
11 | #include "util/debug.h" | |
12 | #include "util/event.h" | |
13 | #include "util/hist.h" | |
743eb868 | 14 | #include "util/evsel.h" |
863e451f | 15 | #include "util/evlist.h" |
86a9eee0 | 16 | #include "util/session.h" |
45694aa7 | 17 | #include "util/tool.h" |
86a9eee0 | 18 | #include "util/sort.h" |
97b9d866 | 19 | #include "util/srcline.h" |
86a9eee0 | 20 | #include "util/symbol.h" |
f5fc1412 | 21 | #include "util/data.h" |
d49dd15d | 22 | #include "util/config.h" |
4802138d | 23 | #include "util/time-utils.h" |
99150a1f | 24 | #include "util/annotate.h" |
b10c78c5 | 25 | #include "util/map.h" |
6ef81c55 | 26 | #include <linux/err.h> |
7f7c536f | 27 | #include <linux/zalloc.h> |
8520a98d | 28 | #include <subcmd/pager.h> |
97b9d866 | 29 | #include <subcmd/parse-options.h> |
86a9eee0 | 30 | |
a43783ae | 31 | #include <errno.h> |
fd20e811 | 32 | #include <inttypes.h> |
86a9eee0 | 33 | #include <stdlib.h> |
345dc0b4 JO |
34 | #include <math.h> |
35 | ||
4802138d JY |
36 | struct perf_diff { |
37 | struct perf_tool tool; | |
38 | const char *time_str; | |
39 | struct perf_time_interval *ptime_range; | |
40 | int range_size; | |
41 | int range_num; | |
30d81553 | 42 | bool has_br_stack; |
4802138d JY |
43 | }; |
44 | ||
345dc0b4 JO |
45 | /* Diff command specific HPP columns. */ |
46 | enum { | |
47 | PERF_HPP_DIFF__BASELINE, | |
48 | PERF_HPP_DIFF__PERIOD, | |
49 | PERF_HPP_DIFF__PERIOD_BASELINE, | |
50 | PERF_HPP_DIFF__DELTA, | |
51 | PERF_HPP_DIFF__RATIO, | |
52 | PERF_HPP_DIFF__WEIGHTED_DIFF, | |
53 | PERF_HPP_DIFF__FORMULA, | |
a1668c25 | 54 | PERF_HPP_DIFF__DELTA_ABS, |
b10c78c5 | 55 | PERF_HPP_DIFF__CYCLES, |
345dc0b4 JO |
56 | |
57 | PERF_HPP_DIFF__MAX_INDEX | |
58 | }; | |
59 | ||
60 | struct diff_hpp_fmt { | |
61 | struct perf_hpp_fmt fmt; | |
62 | int idx; | |
63 | char *header; | |
64 | int header_width; | |
65 | }; | |
86a9eee0 | 66 | |
ec308426 JO |
67 | struct data__file { |
68 | struct perf_session *session; | |
8ceb41d7 | 69 | struct perf_data data; |
ec308426 | 70 | int idx; |
22aeb7f5 | 71 | struct hists *hists; |
c818b498 | 72 | struct diff_hpp_fmt fmt[PERF_HPP_DIFF__MAX_INDEX]; |
ec308426 JO |
73 | }; |
74 | ||
75 | static struct data__file *data__files; | |
76 | static int data__files_cnt; | |
77 | ||
78 | #define data__for_each_file_start(i, d, s) \ | |
79 | for (i = s, d = &data__files[s]; \ | |
80 | i < data__files_cnt; \ | |
81 | i++, d = &data__files[i]) | |
82 | ||
83 | #define data__for_each_file(i, d) data__for_each_file_start(i, d, 0) | |
22aeb7f5 | 84 | #define data__for_each_file_new(i, d) data__for_each_file_start(i, d, 1) |
ec308426 | 85 | |
ec308426 | 86 | static bool force; |
61949b21 | 87 | static bool show_period; |
ed279da2 | 88 | static bool show_formula; |
a06d143e | 89 | static bool show_baseline_only; |
be57b3fd | 90 | static unsigned int sort_compute = 1; |
86a9eee0 | 91 | |
81d5f958 JO |
92 | static s64 compute_wdiff_w1; |
93 | static s64 compute_wdiff_w2; | |
94 | ||
daca23b2 JY |
95 | static const char *cpu_list; |
96 | static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); | |
97 | ||
99150a1f JY |
98 | static struct addr_location dummy_al; |
99 | ||
7aaf6b35 JO |
100 | enum { |
101 | COMPUTE_DELTA, | |
102 | COMPUTE_RATIO, | |
81d5f958 | 103 | COMPUTE_WEIGHTED_DIFF, |
a1668c25 | 104 | COMPUTE_DELTA_ABS, |
99150a1f | 105 | COMPUTE_CYCLES, |
7aaf6b35 JO |
106 | COMPUTE_MAX, |
107 | }; | |
108 | ||
109 | const char *compute_names[COMPUTE_MAX] = { | |
110 | [COMPUTE_DELTA] = "delta", | |
a1668c25 | 111 | [COMPUTE_DELTA_ABS] = "delta-abs", |
7aaf6b35 | 112 | [COMPUTE_RATIO] = "ratio", |
81d5f958 | 113 | [COMPUTE_WEIGHTED_DIFF] = "wdiff", |
99150a1f | 114 | [COMPUTE_CYCLES] = "cycles", |
7aaf6b35 JO |
115 | }; |
116 | ||
be57b3fd | 117 | static int compute = COMPUTE_DELTA_ABS; |
7aaf6b35 | 118 | |
345dc0b4 JO |
119 | static int compute_2_hpp[COMPUTE_MAX] = { |
120 | [COMPUTE_DELTA] = PERF_HPP_DIFF__DELTA, | |
a1668c25 | 121 | [COMPUTE_DELTA_ABS] = PERF_HPP_DIFF__DELTA_ABS, |
345dc0b4 JO |
122 | [COMPUTE_RATIO] = PERF_HPP_DIFF__RATIO, |
123 | [COMPUTE_WEIGHTED_DIFF] = PERF_HPP_DIFF__WEIGHTED_DIFF, | |
b10c78c5 | 124 | [COMPUTE_CYCLES] = PERF_HPP_DIFF__CYCLES, |
345dc0b4 JO |
125 | }; |
126 | ||
127 | #define MAX_COL_WIDTH 70 | |
128 | ||
129 | static struct header_column { | |
130 | const char *name; | |
131 | int width; | |
132 | } columns[PERF_HPP_DIFF__MAX_INDEX] = { | |
133 | [PERF_HPP_DIFF__BASELINE] = { | |
134 | .name = "Baseline", | |
135 | }, | |
136 | [PERF_HPP_DIFF__PERIOD] = { | |
137 | .name = "Period", | |
138 | .width = 14, | |
139 | }, | |
140 | [PERF_HPP_DIFF__PERIOD_BASELINE] = { | |
141 | .name = "Base period", | |
142 | .width = 14, | |
143 | }, | |
144 | [PERF_HPP_DIFF__DELTA] = { | |
145 | .name = "Delta", | |
146 | .width = 7, | |
147 | }, | |
a1668c25 NK |
148 | [PERF_HPP_DIFF__DELTA_ABS] = { |
149 | .name = "Delta Abs", | |
150 | .width = 7, | |
151 | }, | |
345dc0b4 JO |
152 | [PERF_HPP_DIFF__RATIO] = { |
153 | .name = "Ratio", | |
154 | .width = 14, | |
155 | }, | |
156 | [PERF_HPP_DIFF__WEIGHTED_DIFF] = { | |
157 | .name = "Weighted diff", | |
158 | .width = 14, | |
159 | }, | |
160 | [PERF_HPP_DIFF__FORMULA] = { | |
161 | .name = "Formula", | |
162 | .width = MAX_COL_WIDTH, | |
b10c78c5 JY |
163 | }, |
164 | [PERF_HPP_DIFF__CYCLES] = { | |
165 | .name = "[Program Block Range] Cycles Diff", | |
166 | .width = 70, | |
345dc0b4 JO |
167 | } |
168 | }; | |
169 | ||
81d5f958 JO |
170 | static int setup_compute_opt_wdiff(char *opt) |
171 | { | |
172 | char *w1_str = opt; | |
173 | char *w2_str; | |
174 | ||
175 | int ret = -EINVAL; | |
176 | ||
177 | if (!opt) | |
178 | goto out; | |
179 | ||
180 | w2_str = strchr(opt, ','); | |
181 | if (!w2_str) | |
182 | goto out; | |
183 | ||
184 | *w2_str++ = 0x0; | |
185 | if (!*w2_str) | |
186 | goto out; | |
187 | ||
188 | compute_wdiff_w1 = strtol(w1_str, NULL, 10); | |
189 | compute_wdiff_w2 = strtol(w2_str, NULL, 10); | |
190 | ||
191 | if (!compute_wdiff_w1 || !compute_wdiff_w2) | |
192 | goto out; | |
193 | ||
194 | pr_debug("compute wdiff w1(%" PRId64 ") w2(%" PRId64 ")\n", | |
195 | compute_wdiff_w1, compute_wdiff_w2); | |
196 | ||
197 | ret = 0; | |
198 | ||
199 | out: | |
200 | if (ret) | |
201 | pr_err("Failed: wrong weight data, use 'wdiff:w1,w2'\n"); | |
202 | ||
203 | return ret; | |
204 | } | |
205 | ||
206 | static int setup_compute_opt(char *opt) | |
207 | { | |
208 | if (compute == COMPUTE_WEIGHTED_DIFF) | |
209 | return setup_compute_opt_wdiff(opt); | |
210 | ||
211 | if (opt) { | |
212 | pr_err("Failed: extra option specified '%s'", opt); | |
213 | return -EINVAL; | |
214 | } | |
215 | ||
216 | return 0; | |
217 | } | |
218 | ||
7aaf6b35 JO |
219 | static int setup_compute(const struct option *opt, const char *str, |
220 | int unset __maybe_unused) | |
221 | { | |
222 | int *cp = (int *) opt->value; | |
81d5f958 JO |
223 | char *cstr = (char *) str; |
224 | char buf[50]; | |
7aaf6b35 | 225 | unsigned i; |
81d5f958 | 226 | char *option; |
7aaf6b35 JO |
227 | |
228 | if (!str) { | |
229 | *cp = COMPUTE_DELTA; | |
230 | return 0; | |
231 | } | |
232 | ||
81d5f958 JO |
233 | option = strchr(str, ':'); |
234 | if (option) { | |
235 | unsigned len = option++ - str; | |
236 | ||
237 | /* | |
238 | * The str data are not writeable, so we need | |
239 | * to use another buffer. | |
240 | */ | |
241 | ||
242 | /* No option value is longer. */ | |
243 | if (len >= sizeof(buf)) | |
244 | return -EINVAL; | |
245 | ||
246 | strncpy(buf, str, len); | |
247 | buf[len] = 0x0; | |
248 | cstr = buf; | |
249 | } | |
250 | ||
7aaf6b35 | 251 | for (i = 0; i < COMPUTE_MAX; i++) |
81d5f958 | 252 | if (!strcmp(cstr, compute_names[i])) { |
7aaf6b35 | 253 | *cp = i; |
81d5f958 | 254 | return setup_compute_opt(option); |
7aaf6b35 JO |
255 | } |
256 | ||
257 | pr_err("Failed: '%s' is not computation method " | |
81d5f958 | 258 | "(use 'delta','ratio' or 'wdiff')\n", str); |
7aaf6b35 JO |
259 | return -EINVAL; |
260 | } | |
261 | ||
ef358e6d | 262 | static double period_percent(struct hist_entry *he, u64 period) |
96c47f19 | 263 | { |
8810f6ce NK |
264 | u64 total = hists__total_period(he->hists); |
265 | ||
96c47f19 JO |
266 | return (period * 100.0) / total; |
267 | } | |
268 | ||
ef358e6d | 269 | static double compute_delta(struct hist_entry *he, struct hist_entry *pair) |
96c47f19 | 270 | { |
ef358e6d JO |
271 | double old_percent = period_percent(he, he->stat.period); |
272 | double new_percent = period_percent(pair, pair->stat.period); | |
96c47f19 | 273 | |
9af303e2 JO |
274 | pair->diff.period_ratio_delta = new_percent - old_percent; |
275 | pair->diff.computed = true; | |
276 | return pair->diff.period_ratio_delta; | |
96c47f19 JO |
277 | } |
278 | ||
ef358e6d | 279 | static double compute_ratio(struct hist_entry *he, struct hist_entry *pair) |
96c47f19 | 280 | { |
9af303e2 JO |
281 | double old_period = he->stat.period ?: 1; |
282 | double new_period = pair->stat.period; | |
96c47f19 | 283 | |
9af303e2 JO |
284 | pair->diff.computed = true; |
285 | pair->diff.period_ratio = new_period / old_period; | |
286 | return pair->diff.period_ratio; | |
96c47f19 JO |
287 | } |
288 | ||
ef358e6d | 289 | static s64 compute_wdiff(struct hist_entry *he, struct hist_entry *pair) |
81d5f958 | 290 | { |
9af303e2 JO |
291 | u64 old_period = he->stat.period; |
292 | u64 new_period = pair->stat.period; | |
81d5f958 | 293 | |
9af303e2 JO |
294 | pair->diff.computed = true; |
295 | pair->diff.wdiff = new_period * compute_wdiff_w2 - | |
296 | old_period * compute_wdiff_w1; | |
81d5f958 | 297 | |
9af303e2 | 298 | return pair->diff.wdiff; |
81d5f958 JO |
299 | } |
300 | ||
f4c8bae1 JO |
301 | static int formula_delta(struct hist_entry *he, struct hist_entry *pair, |
302 | char *buf, size_t size) | |
ed279da2 | 303 | { |
8810f6ce NK |
304 | u64 he_total = he->hists->stats.total_period; |
305 | u64 pair_total = pair->hists->stats.total_period; | |
306 | ||
307 | if (symbol_conf.filter_relative) { | |
308 | he_total = he->hists->stats.total_non_filtered_period; | |
309 | pair_total = pair->hists->stats.total_non_filtered_period; | |
310 | } | |
ed279da2 JO |
311 | return scnprintf(buf, size, |
312 | "(%" PRIu64 " * 100 / %" PRIu64 ") - " | |
313 | "(%" PRIu64 " * 100 / %" PRIu64 ")", | |
8810f6ce NK |
314 | pair->stat.period, pair_total, |
315 | he->stat.period, he_total); | |
ed279da2 JO |
316 | } |
317 | ||
f4c8bae1 JO |
318 | static int formula_ratio(struct hist_entry *he, struct hist_entry *pair, |
319 | char *buf, size_t size) | |
ed279da2 | 320 | { |
9af303e2 JO |
321 | double old_period = he->stat.period; |
322 | double new_period = pair->stat.period; | |
ed279da2 JO |
323 | |
324 | return scnprintf(buf, size, "%.0F / %.0F", new_period, old_period); | |
325 | } | |
326 | ||
f4c8bae1 JO |
327 | static int formula_wdiff(struct hist_entry *he, struct hist_entry *pair, |
328 | char *buf, size_t size) | |
ed279da2 | 329 | { |
9af303e2 JO |
330 | u64 old_period = he->stat.period; |
331 | u64 new_period = pair->stat.period; | |
ed279da2 JO |
332 | |
333 | return scnprintf(buf, size, | |
334 | "(%" PRIu64 " * " "%" PRId64 ") - (%" PRIu64 " * " "%" PRId64 ")", | |
335 | new_period, compute_wdiff_w2, old_period, compute_wdiff_w1); | |
336 | } | |
337 | ||
ef358e6d JO |
338 | static int formula_fprintf(struct hist_entry *he, struct hist_entry *pair, |
339 | char *buf, size_t size) | |
ed279da2 JO |
340 | { |
341 | switch (compute) { | |
342 | case COMPUTE_DELTA: | |
a1668c25 | 343 | case COMPUTE_DELTA_ABS: |
f4c8bae1 | 344 | return formula_delta(he, pair, buf, size); |
ed279da2 | 345 | case COMPUTE_RATIO: |
f4c8bae1 | 346 | return formula_ratio(he, pair, buf, size); |
ed279da2 | 347 | case COMPUTE_WEIGHTED_DIFF: |
f4c8bae1 | 348 | return formula_wdiff(he, pair, buf, size); |
ed279da2 JO |
349 | default: |
350 | BUG_ON(1); | |
351 | } | |
352 | ||
353 | return -1; | |
354 | } | |
355 | ||
99150a1f JY |
356 | static void *block_hist_zalloc(size_t size) |
357 | { | |
358 | struct block_hist *bh; | |
359 | ||
360 | bh = zalloc(size + sizeof(*bh)); | |
361 | if (!bh) | |
362 | return NULL; | |
363 | ||
364 | return &bh->he; | |
365 | } | |
366 | ||
367 | static void block_hist_free(void *he) | |
368 | { | |
369 | struct block_hist *bh; | |
370 | ||
371 | bh = container_of(he, struct block_hist, he); | |
372 | hists__delete_entries(&bh->block_hists); | |
373 | free(bh); | |
374 | } | |
375 | ||
376 | struct hist_entry_ops block_hist_ops = { | |
377 | .new = block_hist_zalloc, | |
378 | .free = block_hist_free, | |
379 | }; | |
380 | ||
4802138d | 381 | static int diff__process_sample_event(struct perf_tool *tool, |
d20deb64 | 382 | union perf_event *event, |
8d50e5b4 | 383 | struct perf_sample *sample, |
32dcd021 | 384 | struct evsel *evsel, |
743eb868 | 385 | struct machine *machine) |
86a9eee0 | 386 | { |
4802138d | 387 | struct perf_diff *pdiff = container_of(tool, struct perf_diff, tool); |
86a9eee0 | 388 | struct addr_location al; |
4ea062ed | 389 | struct hists *hists = evsel__hists(evsel); |
b91fc39f | 390 | int ret = -1; |
86a9eee0 | 391 | |
4802138d JY |
392 | if (perf_time__ranges_skip_sample(pdiff->ptime_range, pdiff->range_num, |
393 | sample->time)) { | |
394 | return 0; | |
395 | } | |
396 | ||
bb3eb566 | 397 | if (machine__resolve(machine, &al, sample) < 0) { |
86a9eee0 ACM |
398 | pr_warning("problem processing %d event, skipping it.\n", |
399 | event->header.type); | |
400 | return -1; | |
401 | } | |
402 | ||
daca23b2 JY |
403 | if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) { |
404 | ret = 0; | |
405 | goto out_put; | |
406 | } | |
407 | ||
99150a1f JY |
408 | if (compute != COMPUTE_CYCLES) { |
409 | if (!hists__add_entry(hists, &al, NULL, NULL, NULL, sample, | |
410 | true)) { | |
411 | pr_warning("problem incrementing symbol period, " | |
412 | "skipping event\n"); | |
413 | goto out_put; | |
414 | } | |
415 | } else { | |
416 | if (!hists__add_entry_ops(hists, &block_hist_ops, &al, NULL, | |
417 | NULL, NULL, sample, true)) { | |
418 | pr_warning("problem incrementing symbol period, " | |
419 | "skipping event\n"); | |
420 | goto out_put; | |
421 | } | |
422 | ||
423 | hist__account_cycles(sample->branch_stack, &al, sample, false); | |
86a9eee0 ACM |
424 | } |
425 | ||
820bc81f NK |
426 | /* |
427 | * The total_period is updated here before going to the output | |
428 | * tree since normally only the baseline hists will call | |
429 | * hists__output_resort() and precompute needs the total | |
430 | * period in order to sort entries by percentage delta. | |
431 | */ | |
4ea062ed | 432 | hists->stats.total_period += sample->period; |
820bc81f | 433 | if (!al.filtered) |
4ea062ed | 434 | hists->stats.total_non_filtered_period += sample->period; |
b91fc39f ACM |
435 | ret = 0; |
436 | out_put: | |
437 | addr_location__put(&al); | |
438 | return ret; | |
86a9eee0 ACM |
439 | } |
440 | ||
4802138d JY |
441 | static struct perf_diff pdiff = { |
442 | .tool = { | |
443 | .sample = diff__process_sample_event, | |
444 | .mmap = perf_event__process_mmap, | |
445 | .mmap2 = perf_event__process_mmap2, | |
446 | .comm = perf_event__process_comm, | |
447 | .exit = perf_event__process_exit, | |
448 | .fork = perf_event__process_fork, | |
449 | .lost = perf_event__process_lost, | |
450 | .namespaces = perf_event__process_namespaces, | |
451 | .ordered_events = true, | |
452 | .ordering_requires_timestamps = true, | |
453 | }, | |
86a9eee0 ACM |
454 | }; |
455 | ||
32dcd021 | 456 | static struct evsel *evsel_match(struct evsel *evsel, |
63503dba | 457 | struct evlist *evlist) |
863e451f | 458 | { |
32dcd021 | 459 | struct evsel *e; |
863e451f | 460 | |
e5cadb93 | 461 | evlist__for_each_entry(evlist, e) { |
863e451f JO |
462 | if (perf_evsel__match2(evsel, e)) |
463 | return e; | |
0050f7aa | 464 | } |
863e451f JO |
465 | |
466 | return NULL; | |
467 | } | |
468 | ||
63503dba | 469 | static void perf_evlist__collapse_resort(struct evlist *evlist) |
dd464345 | 470 | { |
32dcd021 | 471 | struct evsel *evsel; |
dd464345 | 472 | |
e5cadb93 | 473 | evlist__for_each_entry(evlist, evsel) { |
4ea062ed | 474 | struct hists *hists = evsel__hists(evsel); |
dd464345 | 475 | |
c1fb5651 | 476 | hists__collapse_resort(hists, NULL); |
dd464345 JO |
477 | } |
478 | } | |
479 | ||
ff21cef6 NK |
480 | static struct data__file *fmt_to_data_file(struct perf_hpp_fmt *fmt) |
481 | { | |
482 | struct diff_hpp_fmt *dfmt = container_of(fmt, struct diff_hpp_fmt, fmt); | |
483 | void *ptr = dfmt - dfmt->idx; | |
484 | struct data__file *d = container_of(ptr, struct data__file, fmt); | |
485 | ||
486 | return d; | |
487 | } | |
488 | ||
5f3f8d3b JO |
489 | static struct hist_entry* |
490 | get_pair_data(struct hist_entry *he, struct data__file *d) | |
491 | { | |
492 | if (hist_entry__has_pairs(he)) { | |
493 | struct hist_entry *pair; | |
494 | ||
495 | list_for_each_entry(pair, &he->pairs.head, pairs.node) | |
496 | if (pair->hists == d->hists) | |
497 | return pair; | |
498 | } | |
499 | ||
500 | return NULL; | |
501 | } | |
502 | ||
503 | static struct hist_entry* | |
504 | get_pair_fmt(struct hist_entry *he, struct diff_hpp_fmt *dfmt) | |
505 | { | |
ff21cef6 | 506 | struct data__file *d = fmt_to_data_file(&dfmt->fmt); |
5f3f8d3b JO |
507 | |
508 | return get_pair_data(he, d); | |
509 | } | |
510 | ||
a06d143e JO |
511 | static void hists__baseline_only(struct hists *hists) |
512 | { | |
2eb3d689 | 513 | struct rb_root_cached *root; |
ce74f60e NK |
514 | struct rb_node *next; |
515 | ||
52225036 | 516 | if (hists__has(hists, need_collapse)) |
ce74f60e NK |
517 | root = &hists->entries_collapsed; |
518 | else | |
519 | root = hists->entries_in; | |
a06d143e | 520 | |
2eb3d689 | 521 | next = rb_first_cached(root); |
a06d143e | 522 | while (next != NULL) { |
ce74f60e | 523 | struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node_in); |
a06d143e | 524 | |
ce74f60e | 525 | next = rb_next(&he->rb_node_in); |
b821c732 | 526 | if (!hist_entry__next_pair(he)) { |
2eb3d689 | 527 | rb_erase_cached(&he->rb_node_in, root); |
6733d1bf | 528 | hist_entry__delete(he); |
a06d143e JO |
529 | } |
530 | } | |
531 | } | |
532 | ||
99150a1f JY |
533 | static int64_t block_cmp(struct perf_hpp_fmt *fmt __maybe_unused, |
534 | struct hist_entry *left, struct hist_entry *right) | |
535 | { | |
536 | struct block_info *bi_l = left->block_info; | |
537 | struct block_info *bi_r = right->block_info; | |
538 | int cmp; | |
539 | ||
540 | if (!bi_l->sym || !bi_r->sym) { | |
541 | if (!bi_l->sym && !bi_r->sym) | |
542 | return 0; | |
543 | else if (!bi_l->sym) | |
544 | return -1; | |
545 | else | |
546 | return 1; | |
547 | } | |
548 | ||
549 | if (bi_l->sym == bi_r->sym) { | |
550 | if (bi_l->start == bi_r->start) { | |
551 | if (bi_l->end == bi_r->end) | |
552 | return 0; | |
553 | else | |
554 | return (int64_t)(bi_r->end - bi_l->end); | |
555 | } else | |
556 | return (int64_t)(bi_r->start - bi_l->start); | |
557 | } else { | |
558 | cmp = strcmp(bi_l->sym->name, bi_r->sym->name); | |
559 | return cmp; | |
560 | } | |
561 | ||
562 | if (bi_l->sym->start != bi_r->sym->start) | |
563 | return (int64_t)(bi_r->sym->start - bi_l->sym->start); | |
564 | ||
565 | return (int64_t)(bi_r->sym->end - bi_l->sym->end); | |
566 | } | |
567 | ||
568 | static int64_t block_cycles_diff_cmp(struct hist_entry *left, | |
569 | struct hist_entry *right) | |
570 | { | |
571 | bool pairs_left = hist_entry__has_pairs(left); | |
572 | bool pairs_right = hist_entry__has_pairs(right); | |
573 | s64 l, r; | |
574 | ||
575 | if (!pairs_left && !pairs_right) | |
576 | return 0; | |
577 | ||
578 | l = labs(left->diff.cycles); | |
579 | r = labs(right->diff.cycles); | |
580 | return r - l; | |
581 | } | |
582 | ||
583 | static int64_t block_sort(struct perf_hpp_fmt *fmt __maybe_unused, | |
584 | struct hist_entry *left, struct hist_entry *right) | |
585 | { | |
586 | return block_cycles_diff_cmp(right, left); | |
587 | } | |
588 | ||
589 | static void init_block_hist(struct block_hist *bh) | |
590 | { | |
591 | __hists__init(&bh->block_hists, &bh->block_list); | |
592 | perf_hpp_list__init(&bh->block_list); | |
593 | ||
594 | INIT_LIST_HEAD(&bh->block_fmt.list); | |
595 | INIT_LIST_HEAD(&bh->block_fmt.sort_list); | |
596 | bh->block_fmt.cmp = block_cmp; | |
597 | bh->block_fmt.sort = block_sort; | |
598 | perf_hpp_list__register_sort_field(&bh->block_list, | |
599 | &bh->block_fmt); | |
600 | bh->valid = true; | |
601 | } | |
602 | ||
603 | static void init_block_info(struct block_info *bi, struct symbol *sym, | |
604 | struct cyc_hist *ch, int offset) | |
605 | { | |
606 | bi->sym = sym; | |
607 | bi->start = ch->start; | |
608 | bi->end = offset; | |
609 | bi->cycles = ch->cycles; | |
610 | bi->cycles_aggr = ch->cycles_aggr; | |
611 | bi->num = ch->num; | |
612 | bi->num_aggr = ch->num_aggr; | |
613 | } | |
614 | ||
615 | static int process_block_per_sym(struct hist_entry *he) | |
616 | { | |
617 | struct annotation *notes; | |
618 | struct cyc_hist *ch; | |
619 | struct block_hist *bh; | |
620 | ||
621 | if (!he->ms.map || !he->ms.sym) | |
622 | return 0; | |
623 | ||
624 | notes = symbol__annotation(he->ms.sym); | |
625 | if (!notes || !notes->src || !notes->src->cycles_hist) | |
626 | return 0; | |
627 | ||
628 | bh = container_of(he, struct block_hist, he); | |
629 | init_block_hist(bh); | |
630 | ||
631 | ch = notes->src->cycles_hist; | |
632 | for (unsigned int i = 0; i < symbol__size(he->ms.sym); i++) { | |
633 | if (ch[i].num_aggr) { | |
634 | struct block_info *bi; | |
635 | struct hist_entry *he_block; | |
636 | ||
637 | bi = block_info__new(); | |
638 | if (!bi) | |
639 | return -1; | |
640 | ||
641 | init_block_info(bi, he->ms.sym, &ch[i], i); | |
642 | he_block = hists__add_entry_block(&bh->block_hists, | |
643 | &dummy_al, bi); | |
644 | if (!he_block) { | |
645 | block_info__put(bi); | |
646 | return -1; | |
647 | } | |
648 | } | |
649 | } | |
650 | ||
651 | return 0; | |
652 | } | |
653 | ||
f3810817 JY |
654 | static int block_pair_cmp(struct hist_entry *a, struct hist_entry *b) |
655 | { | |
656 | struct block_info *bi_a = a->block_info; | |
657 | struct block_info *bi_b = b->block_info; | |
658 | int cmp; | |
659 | ||
660 | if (!bi_a->sym || !bi_b->sym) | |
661 | return -1; | |
662 | ||
663 | cmp = strcmp(bi_a->sym->name, bi_b->sym->name); | |
664 | ||
665 | if ((!cmp) && (bi_a->start == bi_b->start) && (bi_a->end == bi_b->end)) | |
666 | return 0; | |
667 | ||
668 | return -1; | |
669 | } | |
670 | ||
671 | static struct hist_entry *get_block_pair(struct hist_entry *he, | |
672 | struct hists *hists_pair) | |
673 | { | |
674 | struct rb_root_cached *root = hists_pair->entries_in; | |
675 | struct rb_node *next = rb_first_cached(root); | |
676 | int cmp; | |
677 | ||
678 | while (next != NULL) { | |
679 | struct hist_entry *he_pair = rb_entry(next, struct hist_entry, | |
680 | rb_node_in); | |
681 | ||
682 | next = rb_next(&he_pair->rb_node_in); | |
683 | ||
684 | cmp = block_pair_cmp(he_pair, he); | |
685 | if (!cmp) | |
686 | return he_pair; | |
687 | } | |
688 | ||
689 | return NULL; | |
690 | } | |
691 | ||
692 | static void compute_cycles_diff(struct hist_entry *he, | |
693 | struct hist_entry *pair) | |
694 | { | |
695 | pair->diff.computed = true; | |
696 | if (pair->block_info->num && he->block_info->num) { | |
697 | pair->diff.cycles = | |
698 | pair->block_info->cycles_aggr / pair->block_info->num_aggr - | |
699 | he->block_info->cycles_aggr / he->block_info->num_aggr; | |
700 | } | |
701 | } | |
702 | ||
703 | static void block_hists_match(struct hists *hists_base, | |
704 | struct hists *hists_pair) | |
705 | { | |
706 | struct rb_root_cached *root = hists_base->entries_in; | |
707 | struct rb_node *next = rb_first_cached(root); | |
708 | ||
709 | while (next != NULL) { | |
710 | struct hist_entry *he = rb_entry(next, struct hist_entry, | |
711 | rb_node_in); | |
712 | struct hist_entry *pair = get_block_pair(he, hists_pair); | |
713 | ||
714 | next = rb_next(&he->rb_node_in); | |
715 | ||
716 | if (pair) { | |
717 | hist_entry__add_pair(pair, he); | |
718 | compute_cycles_diff(he, pair); | |
719 | } | |
720 | } | |
721 | } | |
722 | ||
723 | static int filter_cb(struct hist_entry *he, void *arg __maybe_unused) | |
724 | { | |
725 | /* Skip the calculation of column length in output_resort */ | |
726 | he->filtered = true; | |
727 | return 0; | |
728 | } | |
729 | ||
96c47f19 JO |
730 | static void hists__precompute(struct hists *hists) |
731 | { | |
2eb3d689 | 732 | struct rb_root_cached *root; |
367c53c0 JO |
733 | struct rb_node *next; |
734 | ||
52225036 | 735 | if (hists__has(hists, need_collapse)) |
367c53c0 JO |
736 | root = &hists->entries_collapsed; |
737 | else | |
738 | root = hists->entries_in; | |
96c47f19 | 739 | |
2eb3d689 | 740 | next = rb_first_cached(root); |
96c47f19 | 741 | while (next != NULL) { |
f3810817 | 742 | struct block_hist *bh, *pair_bh; |
5f3f8d3b | 743 | struct hist_entry *he, *pair; |
56495a8a NK |
744 | struct data__file *d; |
745 | int i; | |
96c47f19 | 746 | |
5f3f8d3b | 747 | he = rb_entry(next, struct hist_entry, rb_node_in); |
367c53c0 | 748 | next = rb_next(&he->rb_node_in); |
5f3f8d3b | 749 | |
99150a1f JY |
750 | if (compute == COMPUTE_CYCLES) |
751 | process_block_per_sym(he); | |
752 | ||
56495a8a NK |
753 | data__for_each_file_new(i, d) { |
754 | pair = get_pair_data(he, d); | |
755 | if (!pair) | |
756 | continue; | |
757 | ||
758 | switch (compute) { | |
759 | case COMPUTE_DELTA: | |
a1668c25 | 760 | case COMPUTE_DELTA_ABS: |
56495a8a NK |
761 | compute_delta(he, pair); |
762 | break; | |
763 | case COMPUTE_RATIO: | |
764 | compute_ratio(he, pair); | |
765 | break; | |
766 | case COMPUTE_WEIGHTED_DIFF: | |
767 | compute_wdiff(he, pair); | |
768 | break; | |
99150a1f JY |
769 | case COMPUTE_CYCLES: |
770 | process_block_per_sym(pair); | |
f3810817 JY |
771 | bh = container_of(he, struct block_hist, he); |
772 | pair_bh = container_of(pair, struct block_hist, | |
773 | he); | |
774 | ||
775 | if (bh->valid && pair_bh->valid) { | |
776 | block_hists_match(&bh->block_hists, | |
777 | &pair_bh->block_hists); | |
778 | hists__output_resort_cb(&pair_bh->block_hists, | |
779 | NULL, filter_cb); | |
780 | } | |
99150a1f | 781 | break; |
56495a8a NK |
782 | default: |
783 | BUG_ON(1); | |
784 | } | |
96c47f19 JO |
785 | } |
786 | } | |
787 | } | |
788 | ||
789 | static int64_t cmp_doubles(double l, double r) | |
790 | { | |
791 | if (l > r) | |
792 | return -1; | |
793 | else if (l < r) | |
794 | return 1; | |
795 | else | |
796 | return 0; | |
797 | } | |
798 | ||
799 | static int64_t | |
5f3f8d3b | 800 | __hist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right, |
96c47f19 JO |
801 | int c) |
802 | { | |
803 | switch (c) { | |
804 | case COMPUTE_DELTA: | |
805 | { | |
806 | double l = left->diff.period_ratio_delta; | |
807 | double r = right->diff.period_ratio_delta; | |
808 | ||
809 | return cmp_doubles(l, r); | |
810 | } | |
a1668c25 NK |
811 | case COMPUTE_DELTA_ABS: |
812 | { | |
813 | double l = fabs(left->diff.period_ratio_delta); | |
814 | double r = fabs(right->diff.period_ratio_delta); | |
815 | ||
816 | return cmp_doubles(l, r); | |
817 | } | |
96c47f19 JO |
818 | case COMPUTE_RATIO: |
819 | { | |
820 | double l = left->diff.period_ratio; | |
821 | double r = right->diff.period_ratio; | |
822 | ||
823 | return cmp_doubles(l, r); | |
824 | } | |
81d5f958 JO |
825 | case COMPUTE_WEIGHTED_DIFF: |
826 | { | |
827 | s64 l = left->diff.wdiff; | |
828 | s64 r = right->diff.wdiff; | |
829 | ||
830 | return r - l; | |
831 | } | |
96c47f19 JO |
832 | default: |
833 | BUG_ON(1); | |
834 | } | |
835 | ||
836 | return 0; | |
837 | } | |
838 | ||
5f3f8d3b JO |
839 | static int64_t |
840 | hist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right, | |
56495a8a | 841 | int c, int sort_idx) |
5f3f8d3b JO |
842 | { |
843 | bool pairs_left = hist_entry__has_pairs(left); | |
844 | bool pairs_right = hist_entry__has_pairs(right); | |
845 | struct hist_entry *p_right, *p_left; | |
846 | ||
847 | if (!pairs_left && !pairs_right) | |
848 | return 0; | |
849 | ||
850 | if (!pairs_left || !pairs_right) | |
851 | return pairs_left ? -1 : 1; | |
852 | ||
56495a8a NK |
853 | p_left = get_pair_data(left, &data__files[sort_idx]); |
854 | p_right = get_pair_data(right, &data__files[sort_idx]); | |
5f3f8d3b JO |
855 | |
856 | if (!p_left && !p_right) | |
857 | return 0; | |
858 | ||
859 | if (!p_left || !p_right) | |
860 | return p_left ? -1 : 1; | |
861 | ||
862 | /* | |
863 | * We have 2 entries of same kind, let's | |
864 | * make the data comparison. | |
865 | */ | |
866 | return __hist_entry__cmp_compute(p_left, p_right, c); | |
867 | } | |
868 | ||
566b5cfb NK |
869 | static int64_t |
870 | hist_entry__cmp_compute_idx(struct hist_entry *left, struct hist_entry *right, | |
871 | int c, int sort_idx) | |
872 | { | |
873 | struct hist_entry *p_right, *p_left; | |
874 | ||
875 | p_left = get_pair_data(left, &data__files[sort_idx]); | |
876 | p_right = get_pair_data(right, &data__files[sort_idx]); | |
877 | ||
878 | if (!p_left && !p_right) | |
879 | return 0; | |
880 | ||
881 | if (!p_left || !p_right) | |
882 | return p_left ? -1 : 1; | |
883 | ||
a1668c25 | 884 | if (c != COMPUTE_DELTA && c != COMPUTE_DELTA_ABS) { |
566b5cfb NK |
885 | /* |
886 | * The delta can be computed without the baseline, but | |
887 | * others are not. Put those entries which have no | |
888 | * values below. | |
889 | */ | |
890 | if (left->dummy && right->dummy) | |
891 | return 0; | |
892 | ||
893 | if (left->dummy || right->dummy) | |
894 | return left->dummy ? 1 : -1; | |
895 | } | |
896 | ||
897 | return __hist_entry__cmp_compute(p_left, p_right, c); | |
898 | } | |
899 | ||
e7024fc3 | 900 | static int64_t |
87bbdf76 NK |
901 | hist_entry__cmp_nop(struct perf_hpp_fmt *fmt __maybe_unused, |
902 | struct hist_entry *left __maybe_unused, | |
e7024fc3 NK |
903 | struct hist_entry *right __maybe_unused) |
904 | { | |
905 | return 0; | |
906 | } | |
907 | ||
908 | static int64_t | |
87bbdf76 NK |
909 | hist_entry__cmp_baseline(struct perf_hpp_fmt *fmt __maybe_unused, |
910 | struct hist_entry *left, struct hist_entry *right) | |
e7024fc3 | 911 | { |
e7024fc3 NK |
912 | if (left->stat.period == right->stat.period) |
913 | return 0; | |
914 | return left->stat.period > right->stat.period ? 1 : -1; | |
915 | } | |
916 | ||
917 | static int64_t | |
56495a8a | 918 | hist_entry__cmp_delta(struct perf_hpp_fmt *fmt, |
87bbdf76 | 919 | struct hist_entry *left, struct hist_entry *right) |
e7024fc3 | 920 | { |
56495a8a NK |
921 | struct data__file *d = fmt_to_data_file(fmt); |
922 | ||
923 | return hist_entry__cmp_compute(right, left, COMPUTE_DELTA, d->idx); | |
e7024fc3 NK |
924 | } |
925 | ||
a1668c25 NK |
926 | static int64_t |
927 | hist_entry__cmp_delta_abs(struct perf_hpp_fmt *fmt, | |
928 | struct hist_entry *left, struct hist_entry *right) | |
929 | { | |
930 | struct data__file *d = fmt_to_data_file(fmt); | |
931 | ||
932 | return hist_entry__cmp_compute(right, left, COMPUTE_DELTA_ABS, d->idx); | |
933 | } | |
934 | ||
e7024fc3 | 935 | static int64_t |
56495a8a | 936 | hist_entry__cmp_ratio(struct perf_hpp_fmt *fmt, |
87bbdf76 | 937 | struct hist_entry *left, struct hist_entry *right) |
e7024fc3 | 938 | { |
56495a8a NK |
939 | struct data__file *d = fmt_to_data_file(fmt); |
940 | ||
941 | return hist_entry__cmp_compute(right, left, COMPUTE_RATIO, d->idx); | |
e7024fc3 NK |
942 | } |
943 | ||
944 | static int64_t | |
56495a8a | 945 | hist_entry__cmp_wdiff(struct perf_hpp_fmt *fmt, |
87bbdf76 | 946 | struct hist_entry *left, struct hist_entry *right) |
e7024fc3 | 947 | { |
56495a8a NK |
948 | struct data__file *d = fmt_to_data_file(fmt); |
949 | ||
950 | return hist_entry__cmp_compute(right, left, COMPUTE_WEIGHTED_DIFF, d->idx); | |
e7024fc3 NK |
951 | } |
952 | ||
566b5cfb NK |
953 | static int64_t |
954 | hist_entry__cmp_delta_idx(struct perf_hpp_fmt *fmt __maybe_unused, | |
955 | struct hist_entry *left, struct hist_entry *right) | |
956 | { | |
957 | return hist_entry__cmp_compute_idx(right, left, COMPUTE_DELTA, | |
958 | sort_compute); | |
959 | } | |
960 | ||
a1668c25 NK |
961 | static int64_t |
962 | hist_entry__cmp_delta_abs_idx(struct perf_hpp_fmt *fmt __maybe_unused, | |
963 | struct hist_entry *left, struct hist_entry *right) | |
964 | { | |
965 | return hist_entry__cmp_compute_idx(right, left, COMPUTE_DELTA_ABS, | |
966 | sort_compute); | |
967 | } | |
968 | ||
566b5cfb NK |
969 | static int64_t |
970 | hist_entry__cmp_ratio_idx(struct perf_hpp_fmt *fmt __maybe_unused, | |
971 | struct hist_entry *left, struct hist_entry *right) | |
972 | { | |
973 | return hist_entry__cmp_compute_idx(right, left, COMPUTE_RATIO, | |
974 | sort_compute); | |
975 | } | |
976 | ||
977 | static int64_t | |
978 | hist_entry__cmp_wdiff_idx(struct perf_hpp_fmt *fmt __maybe_unused, | |
979 | struct hist_entry *left, struct hist_entry *right) | |
980 | { | |
981 | return hist_entry__cmp_compute_idx(right, left, COMPUTE_WEIGHTED_DIFF, | |
982 | sort_compute); | |
983 | } | |
984 | ||
22aeb7f5 | 985 | static void hists__process(struct hists *hists) |
a06d143e | 986 | { |
a06d143e | 987 | if (show_baseline_only) |
22aeb7f5 | 988 | hists__baseline_only(hists); |
a06d143e | 989 | |
56495a8a | 990 | hists__precompute(hists); |
38259a17 | 991 | hists__output_resort(hists, NULL); |
96c47f19 | 992 | |
b10c78c5 JY |
993 | if (compute == COMPUTE_CYCLES) |
994 | symbol_conf.report_block = true; | |
995 | ||
63b42fce | 996 | hists__fprintf(hists, !quiet, 0, 0, 0, stdout, |
e9de7e2f | 997 | !symbol_conf.use_callchain); |
a06d143e JO |
998 | } |
999 | ||
1d81c7fc JO |
1000 | static void data__fprintf(void) |
1001 | { | |
1002 | struct data__file *d; | |
1003 | int i; | |
1004 | ||
1005 | fprintf(stdout, "# Data files:\n"); | |
1006 | ||
1007 | data__for_each_file(i, d) | |
1008 | fprintf(stdout, "# [%d] %s %s\n", | |
2d4f2799 | 1009 | d->idx, d->data.path, |
1d81c7fc JO |
1010 | !d->idx ? "(Baseline)" : ""); |
1011 | ||
1012 | fprintf(stdout, "#\n"); | |
1013 | } | |
1014 | ||
ec308426 | 1015 | static void data_process(void) |
86a9eee0 | 1016 | { |
63503dba | 1017 | struct evlist *evlist_base = data__files[0].session->evlist; |
32dcd021 | 1018 | struct evsel *evsel_base; |
863e451f | 1019 | bool first = true; |
86a9eee0 | 1020 | |
e5cadb93 | 1021 | evlist__for_each_entry(evlist_base, evsel_base) { |
4ea062ed | 1022 | struct hists *hists_base = evsel__hists(evsel_base); |
22aeb7f5 JO |
1023 | struct data__file *d; |
1024 | int i; | |
86a9eee0 | 1025 | |
22aeb7f5 | 1026 | data__for_each_file_new(i, d) { |
63503dba | 1027 | struct evlist *evlist = d->session->evlist; |
32dcd021 | 1028 | struct evsel *evsel; |
4ea062ed | 1029 | struct hists *hists; |
22aeb7f5 JO |
1030 | |
1031 | evsel = evsel_match(evsel_base, evlist); | |
1032 | if (!evsel) | |
1033 | continue; | |
1034 | ||
4ea062ed ACM |
1035 | hists = evsel__hists(evsel); |
1036 | d->hists = hists; | |
22aeb7f5 | 1037 | |
4ea062ed | 1038 | hists__match(hists_base, hists); |
22aeb7f5 JO |
1039 | |
1040 | if (!show_baseline_only) | |
4ea062ed | 1041 | hists__link(hists_base, hists); |
22aeb7f5 | 1042 | } |
86a9eee0 | 1043 | |
63b42fce NK |
1044 | if (!quiet) { |
1045 | fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n", | |
1046 | perf_evsel__name(evsel_base)); | |
1047 | } | |
863e451f | 1048 | |
ec308426 | 1049 | first = false; |
863e451f | 1050 | |
63b42fce | 1051 | if (verbose > 0 || ((data__files_cnt > 2) && !quiet)) |
1d81c7fc JO |
1052 | data__fprintf(); |
1053 | ||
f9db0d0f KL |
1054 | /* Don't sort callchain for perf diff */ |
1055 | perf_evsel__reset_sample_bit(evsel_base, CALLCHAIN); | |
1056 | ||
4ea062ed | 1057 | hists__process(hists_base); |
ec308426 JO |
1058 | } |
1059 | } | |
863e451f | 1060 | |
c818b498 JO |
1061 | static void data__free(struct data__file *d) |
1062 | { | |
1063 | int col; | |
1064 | ||
1065 | for (col = 0; col < PERF_HPP_DIFF__MAX_INDEX; col++) { | |
1066 | struct diff_hpp_fmt *fmt = &d->fmt[col]; | |
1067 | ||
74cf249d | 1068 | zfree(&fmt->header); |
c818b498 JO |
1069 | } |
1070 | } | |
1071 | ||
4802138d JY |
1072 | static int abstime_str_dup(char **pstr) |
1073 | { | |
1074 | char *str = NULL; | |
1075 | ||
1076 | if (pdiff.time_str && strchr(pdiff.time_str, ':')) { | |
1077 | str = strdup(pdiff.time_str); | |
1078 | if (!str) | |
1079 | return -ENOMEM; | |
1080 | } | |
1081 | ||
1082 | *pstr = str; | |
1083 | return 0; | |
1084 | } | |
1085 | ||
1086 | static int parse_absolute_time(struct data__file *d, char **pstr) | |
1087 | { | |
1088 | char *p = *pstr; | |
1089 | int ret; | |
1090 | ||
1091 | /* | |
1092 | * Absolute timestamp for one file has the format: a.b,c.d | |
1093 | * For multiple files, the format is: a.b,c.d:a.b,c.d | |
1094 | */ | |
1095 | p = strchr(*pstr, ':'); | |
1096 | if (p) { | |
1097 | if (p == *pstr) { | |
1098 | pr_err("Invalid time string\n"); | |
1099 | return -EINVAL; | |
1100 | } | |
1101 | ||
1102 | *p = 0; | |
1103 | p++; | |
1104 | if (*p == 0) { | |
1105 | pr_err("Invalid time string\n"); | |
1106 | return -EINVAL; | |
1107 | } | |
1108 | } | |
1109 | ||
1110 | ret = perf_time__parse_for_ranges(*pstr, d->session, | |
1111 | &pdiff.ptime_range, | |
1112 | &pdiff.range_size, | |
1113 | &pdiff.range_num); | |
1114 | if (ret < 0) | |
1115 | return ret; | |
1116 | ||
1117 | if (!p || *p == 0) | |
1118 | *pstr = NULL; | |
1119 | else | |
1120 | *pstr = p; | |
1121 | ||
1122 | return ret; | |
1123 | } | |
1124 | ||
1125 | static int parse_percent_time(struct data__file *d) | |
1126 | { | |
1127 | int ret; | |
1128 | ||
1129 | ret = perf_time__parse_for_ranges(pdiff.time_str, d->session, | |
1130 | &pdiff.ptime_range, | |
1131 | &pdiff.range_size, | |
1132 | &pdiff.range_num); | |
1133 | return ret; | |
1134 | } | |
1135 | ||
1136 | static int parse_time_str(struct data__file *d, char *abstime_ostr, | |
1137 | char **pabstime_tmp) | |
1138 | { | |
1139 | int ret = 0; | |
1140 | ||
1141 | if (abstime_ostr) | |
1142 | ret = parse_absolute_time(d, pabstime_tmp); | |
1143 | else if (pdiff.time_str) | |
1144 | ret = parse_percent_time(d); | |
1145 | ||
1146 | return ret; | |
1147 | } | |
1148 | ||
30d81553 JY |
1149 | static int check_file_brstack(void) |
1150 | { | |
1151 | struct data__file *d; | |
1152 | bool has_br_stack; | |
1153 | int i; | |
1154 | ||
1155 | data__for_each_file(i, d) { | |
1156 | d->session = perf_session__new(&d->data, false, &pdiff.tool); | |
6ef81c55 | 1157 | if (IS_ERR(d->session)) { |
30d81553 | 1158 | pr_err("Failed to open %s\n", d->data.path); |
6ef81c55 | 1159 | return PTR_ERR(d->session); |
30d81553 JY |
1160 | } |
1161 | ||
1162 | has_br_stack = perf_header__has_feat(&d->session->header, | |
1163 | HEADER_BRANCH_STACK); | |
1164 | perf_session__delete(d->session); | |
1165 | if (!has_br_stack) | |
1166 | return 0; | |
1167 | } | |
1168 | ||
1169 | /* Set only all files having branch stacks */ | |
1170 | pdiff.has_br_stack = true; | |
1171 | return 0; | |
1172 | } | |
1173 | ||
ec308426 JO |
1174 | static int __cmd_diff(void) |
1175 | { | |
1176 | struct data__file *d; | |
4802138d JY |
1177 | int ret, i; |
1178 | char *abstime_ostr, *abstime_tmp; | |
1179 | ||
1180 | ret = abstime_str_dup(&abstime_ostr); | |
1181 | if (ret) | |
1182 | return ret; | |
1183 | ||
1184 | abstime_tmp = abstime_ostr; | |
1185 | ret = -EINVAL; | |
ec308426 JO |
1186 | |
1187 | data__for_each_file(i, d) { | |
4802138d | 1188 | d->session = perf_session__new(&d->data, false, &pdiff.tool); |
6ef81c55 MI |
1189 | if (IS_ERR(d->session)) { |
1190 | ret = PTR_ERR(d->session); | |
2d4f2799 | 1191 | pr_err("Failed to open %s\n", d->data.path); |
ec308426 JO |
1192 | goto out_delete; |
1193 | } | |
863e451f | 1194 | |
4802138d JY |
1195 | if (pdiff.time_str) { |
1196 | ret = parse_time_str(d, abstime_ostr, &abstime_tmp); | |
1197 | if (ret < 0) | |
1198 | goto out_delete; | |
1199 | } | |
1200 | ||
daca23b2 JY |
1201 | if (cpu_list) { |
1202 | ret = perf_session__cpu_bitmap(d->session, cpu_list, | |
1203 | cpu_bitmap); | |
1204 | if (ret < 0) | |
1205 | goto out_delete; | |
1206 | } | |
1207 | ||
b7b61cbe | 1208 | ret = perf_session__process_events(d->session); |
ec308426 | 1209 | if (ret) { |
2d4f2799 | 1210 | pr_err("Failed to process %s\n", d->data.path); |
ec308426 JO |
1211 | goto out_delete; |
1212 | } | |
863e451f | 1213 | |
ec308426 | 1214 | perf_evlist__collapse_resort(d->session->evlist); |
4802138d JY |
1215 | |
1216 | if (pdiff.ptime_range) | |
1217 | zfree(&pdiff.ptime_range); | |
ec308426 JO |
1218 | } |
1219 | ||
1220 | data_process(); | |
863e451f | 1221 | |
ec308426 JO |
1222 | out_delete: |
1223 | data__for_each_file(i, d) { | |
e1446551 | 1224 | perf_session__delete(d->session); |
c818b498 | 1225 | data__free(d); |
863e451f | 1226 | } |
9c443dfd | 1227 | |
ec308426 | 1228 | free(data__files); |
4802138d JY |
1229 | |
1230 | if (pdiff.ptime_range) | |
1231 | zfree(&pdiff.ptime_range); | |
1232 | ||
1233 | if (abstime_ostr) | |
1234 | free(abstime_ostr); | |
1235 | ||
86a9eee0 ACM |
1236 | return ret; |
1237 | } | |
1238 | ||
0422a4fc | 1239 | static const char * const diff_usage[] = { |
86a9eee0 | 1240 | "perf diff [<options>] [old_file] [new_file]", |
0422a4fc | 1241 | NULL, |
86a9eee0 ACM |
1242 | }; |
1243 | ||
1244 | static const struct option options[] = { | |
c0555642 | 1245 | OPT_INCR('v', "verbose", &verbose, |
86a9eee0 | 1246 | "be more verbose (show symbol address, etc)"), |
63b42fce | 1247 | OPT_BOOLEAN('q', "quiet", &quiet, "Do not show any message"), |
a06d143e JO |
1248 | OPT_BOOLEAN('b', "baseline-only", &show_baseline_only, |
1249 | "Show only items with match in baseline"), | |
81d5f958 | 1250 | OPT_CALLBACK('c', "compute", &compute, |
b10c78c5 | 1251 | "delta,delta-abs,ratio,wdiff:w1,w2 (default delta-abs),cycles", |
7aaf6b35 JO |
1252 | "Entries differential computation selection", |
1253 | setup_compute), | |
61949b21 JO |
1254 | OPT_BOOLEAN('p', "period", &show_period, |
1255 | "Show period values."), | |
ed279da2 JO |
1256 | OPT_BOOLEAN('F', "formula", &show_formula, |
1257 | "Show formula."), | |
86a9eee0 ACM |
1258 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1259 | "dump raw trace in ASCII"), | |
1260 | OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), | |
6b1f3423 DA |
1261 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, |
1262 | "file", "kallsyms pathname"), | |
86a9eee0 ACM |
1263 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, |
1264 | "load module symbols - WARNING: use only with -k and LIVE kernel"), | |
c410a338 ACM |
1265 | OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
1266 | "only consider symbols in these dsos"), | |
1267 | OPT_STRING('C', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", | |
1268 | "only consider symbols in these comms"), | |
1269 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", | |
1270 | "only consider these symbols"), | |
c351c281 | 1271 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
a2ce067e NK |
1272 | "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." |
1273 | " Please refer the man page for the complete list."), | |
8b8ca6e1 | 1274 | OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator", |
c351c281 ACM |
1275 | "separator for columns, no spaces will be added between " |
1276 | "columns '.' is reserved."), | |
a7066709 HK |
1277 | OPT_CALLBACK(0, "symfs", NULL, "directory", |
1278 | "Look for files with symbols relative to this directory", | |
1279 | symbol__config_symfs), | |
5f3f8d3b | 1280 | OPT_UINTEGER('o', "order", &sort_compute, "Specify compute sorting."), |
8810f6ce NK |
1281 | OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", |
1282 | "How to display percentage of filtered entries", parse_filter_percentage), | |
4802138d JY |
1283 | OPT_STRING(0, "time", &pdiff.time_str, "str", |
1284 | "Time span (time percent or absolute timestamp)"), | |
daca23b2 | 1285 | OPT_STRING(0, "cpu", &cpu_list, "cpu", "list of cpus to profile"), |
c1d3e633 JY |
1286 | OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", |
1287 | "only consider symbols in these pids"), | |
1288 | OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", | |
1289 | "only consider symbols in these tids"), | |
86a9eee0 ACM |
1290 | OPT_END() |
1291 | }; | |
1292 | ||
345dc0b4 | 1293 | static double baseline_percent(struct hist_entry *he) |
1d77822e | 1294 | { |
8810f6ce NK |
1295 | u64 total = hists__total_period(he->hists); |
1296 | ||
1297 | return 100.0 * he->stat.period / total; | |
345dc0b4 | 1298 | } |
7aaf6b35 | 1299 | |
345dc0b4 JO |
1300 | static int hpp__color_baseline(struct perf_hpp_fmt *fmt, |
1301 | struct perf_hpp *hpp, struct hist_entry *he) | |
1302 | { | |
1303 | struct diff_hpp_fmt *dfmt = | |
1304 | container_of(fmt, struct diff_hpp_fmt, fmt); | |
1305 | double percent = baseline_percent(he); | |
1306 | char pfmt[20] = " "; | |
1307 | ||
1308 | if (!he->dummy) { | |
1309 | scnprintf(pfmt, 20, "%%%d.2f%%%%", dfmt->header_width - 1); | |
1310 | return percent_color_snprintf(hpp->buf, hpp->size, | |
1311 | pfmt, percent); | |
1312 | } else | |
1313 | return scnprintf(hpp->buf, hpp->size, "%*s", | |
1314 | dfmt->header_width, pfmt); | |
1315 | } | |
1316 | ||
1317 | static int hpp__entry_baseline(struct hist_entry *he, char *buf, size_t size) | |
1318 | { | |
1319 | double percent = baseline_percent(he); | |
1320 | const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%"; | |
1321 | int ret = 0; | |
1322 | ||
1323 | if (!he->dummy) | |
1324 | ret = scnprintf(buf, size, fmt, percent); | |
1325 | ||
1326 | return ret; | |
1327 | } | |
1328 | ||
b10c78c5 JY |
1329 | static int cycles_printf(struct hist_entry *he, struct hist_entry *pair, |
1330 | struct perf_hpp *hpp, int width) | |
1331 | { | |
1332 | struct block_hist *bh = container_of(he, struct block_hist, he); | |
1333 | struct block_hist *bh_pair = container_of(pair, struct block_hist, he); | |
1334 | struct hist_entry *block_he; | |
1335 | struct block_info *bi; | |
1336 | char buf[128]; | |
1337 | char *start_line, *end_line; | |
1338 | ||
1339 | block_he = hists__get_entry(&bh_pair->block_hists, bh->block_idx); | |
1340 | if (!block_he) { | |
1341 | hpp->skip = true; | |
1342 | return 0; | |
1343 | } | |
1344 | ||
1345 | /* | |
1346 | * Avoid printing the warning "addr2line_init failed for ..." | |
1347 | */ | |
1348 | symbol_conf.disable_add2line_warn = true; | |
1349 | ||
1350 | bi = block_he->block_info; | |
1351 | ||
1352 | start_line = map__srcline(he->ms.map, bi->sym->start + bi->start, | |
1353 | he->ms.sym); | |
1354 | ||
1355 | end_line = map__srcline(he->ms.map, bi->sym->start + bi->end, | |
1356 | he->ms.sym); | |
1357 | ||
1358 | if ((start_line != SRCLINE_UNKNOWN) && (end_line != SRCLINE_UNKNOWN)) { | |
1359 | scnprintf(buf, sizeof(buf), "[%s -> %s] %4ld", | |
1360 | start_line, end_line, block_he->diff.cycles); | |
1361 | } else { | |
1362 | scnprintf(buf, sizeof(buf), "[%7lx -> %7lx] %4ld", | |
1363 | bi->start, bi->end, block_he->diff.cycles); | |
1364 | } | |
1365 | ||
1366 | free_srcline(start_line); | |
1367 | free_srcline(end_line); | |
1368 | ||
1369 | return scnprintf(hpp->buf, hpp->size, "%*s", width, buf); | |
1370 | } | |
1371 | ||
01f10bc8 RR |
1372 | static int __hpp__color_compare(struct perf_hpp_fmt *fmt, |
1373 | struct perf_hpp *hpp, struct hist_entry *he, | |
1374 | int comparison_method) | |
1375 | { | |
1376 | struct diff_hpp_fmt *dfmt = | |
1377 | container_of(fmt, struct diff_hpp_fmt, fmt); | |
1378 | struct hist_entry *pair = get_pair_fmt(he, dfmt); | |
1379 | double diff; | |
a5846e21 | 1380 | s64 wdiff; |
01f10bc8 RR |
1381 | char pfmt[20] = " "; |
1382 | ||
b10c78c5 JY |
1383 | if (!pair) { |
1384 | if (comparison_method == COMPUTE_CYCLES) { | |
1385 | struct block_hist *bh; | |
1386 | ||
1387 | bh = container_of(he, struct block_hist, he); | |
1388 | if (bh->block_idx) | |
1389 | hpp->skip = true; | |
1390 | } | |
1391 | ||
ec3d07cb | 1392 | goto no_print; |
b10c78c5 | 1393 | } |
01f10bc8 RR |
1394 | |
1395 | switch (comparison_method) { | |
1396 | case COMPUTE_DELTA: | |
1397 | if (pair->diff.computed) | |
1398 | diff = pair->diff.period_ratio_delta; | |
1399 | else | |
1400 | diff = compute_delta(he, pair); | |
1401 | ||
01f10bc8 RR |
1402 | scnprintf(pfmt, 20, "%%%+d.2f%%%%", dfmt->header_width - 1); |
1403 | return percent_color_snprintf(hpp->buf, hpp->size, | |
1404 | pfmt, diff); | |
1f513b2c RR |
1405 | case COMPUTE_RATIO: |
1406 | if (he->dummy) | |
1407 | goto dummy_print; | |
1408 | if (pair->diff.computed) | |
1409 | diff = pair->diff.period_ratio; | |
1410 | else | |
1411 | diff = compute_ratio(he, pair); | |
1412 | ||
1413 | scnprintf(pfmt, 20, "%%%d.6f", dfmt->header_width); | |
1414 | return value_color_snprintf(hpp->buf, hpp->size, | |
1415 | pfmt, diff); | |
a5846e21 RR |
1416 | case COMPUTE_WEIGHTED_DIFF: |
1417 | if (he->dummy) | |
1418 | goto dummy_print; | |
1419 | if (pair->diff.computed) | |
1420 | wdiff = pair->diff.wdiff; | |
1421 | else | |
1422 | wdiff = compute_wdiff(he, pair); | |
1423 | ||
1424 | scnprintf(pfmt, 20, "%%14ld", dfmt->header_width); | |
1425 | return color_snprintf(hpp->buf, hpp->size, | |
1426 | get_percent_color(wdiff), | |
1427 | pfmt, wdiff); | |
b10c78c5 JY |
1428 | case COMPUTE_CYCLES: |
1429 | return cycles_printf(he, pair, hpp, dfmt->header_width); | |
01f10bc8 RR |
1430 | default: |
1431 | BUG_ON(1); | |
1432 | } | |
1433 | dummy_print: | |
ec3d07cb NK |
1434 | return scnprintf(hpp->buf, hpp->size, "%*s", |
1435 | dfmt->header_width, "N/A"); | |
1436 | no_print: | |
01f10bc8 RR |
1437 | return scnprintf(hpp->buf, hpp->size, "%*s", |
1438 | dfmt->header_width, pfmt); | |
1439 | } | |
1440 | ||
1441 | static int hpp__color_delta(struct perf_hpp_fmt *fmt, | |
1442 | struct perf_hpp *hpp, struct hist_entry *he) | |
1443 | { | |
1444 | return __hpp__color_compare(fmt, hpp, he, COMPUTE_DELTA); | |
1445 | } | |
1446 | ||
1f513b2c RR |
1447 | static int hpp__color_ratio(struct perf_hpp_fmt *fmt, |
1448 | struct perf_hpp *hpp, struct hist_entry *he) | |
1449 | { | |
1450 | return __hpp__color_compare(fmt, hpp, he, COMPUTE_RATIO); | |
1451 | } | |
1452 | ||
a5846e21 RR |
1453 | static int hpp__color_wdiff(struct perf_hpp_fmt *fmt, |
1454 | struct perf_hpp *hpp, struct hist_entry *he) | |
1455 | { | |
1456 | return __hpp__color_compare(fmt, hpp, he, COMPUTE_WEIGHTED_DIFF); | |
1457 | } | |
1458 | ||
b10c78c5 JY |
1459 | static int hpp__color_cycles(struct perf_hpp_fmt *fmt, |
1460 | struct perf_hpp *hpp, struct hist_entry *he) | |
1461 | { | |
1462 | return __hpp__color_compare(fmt, hpp, he, COMPUTE_CYCLES); | |
1463 | } | |
1464 | ||
345dc0b4 JO |
1465 | static void |
1466 | hpp__entry_unpair(struct hist_entry *he, int idx, char *buf, size_t size) | |
1467 | { | |
1468 | switch (idx) { | |
1469 | case PERF_HPP_DIFF__PERIOD_BASELINE: | |
1470 | scnprintf(buf, size, "%" PRIu64, he->stat.period); | |
7aaf6b35 | 1471 | break; |
345dc0b4 JO |
1472 | |
1473 | default: | |
81d5f958 | 1474 | break; |
345dc0b4 JO |
1475 | } |
1476 | } | |
1477 | ||
1478 | static void | |
1479 | hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair, | |
1480 | int idx, char *buf, size_t size) | |
1481 | { | |
1482 | double diff; | |
1483 | double ratio; | |
1484 | s64 wdiff; | |
1485 | ||
1486 | switch (idx) { | |
1487 | case PERF_HPP_DIFF__DELTA: | |
a1668c25 | 1488 | case PERF_HPP_DIFF__DELTA_ABS: |
345dc0b4 JO |
1489 | if (pair->diff.computed) |
1490 | diff = pair->diff.period_ratio_delta; | |
1491 | else | |
ef358e6d | 1492 | diff = compute_delta(he, pair); |
345dc0b4 | 1493 | |
ec3d07cb | 1494 | scnprintf(buf, size, "%+4.2F%%", diff); |
345dc0b4 JO |
1495 | break; |
1496 | ||
1497 | case PERF_HPP_DIFF__RATIO: | |
1498 | /* No point for ratio number if we are dummy.. */ | |
ec3d07cb NK |
1499 | if (he->dummy) { |
1500 | scnprintf(buf, size, "N/A"); | |
345dc0b4 | 1501 | break; |
ec3d07cb | 1502 | } |
345dc0b4 JO |
1503 | |
1504 | if (pair->diff.computed) | |
1505 | ratio = pair->diff.period_ratio; | |
1506 | else | |
ef358e6d | 1507 | ratio = compute_ratio(he, pair); |
345dc0b4 JO |
1508 | |
1509 | if (ratio > 0.0) | |
1510 | scnprintf(buf, size, "%14.6F", ratio); | |
1511 | break; | |
1512 | ||
1513 | case PERF_HPP_DIFF__WEIGHTED_DIFF: | |
1514 | /* No point for wdiff number if we are dummy.. */ | |
ec3d07cb NK |
1515 | if (he->dummy) { |
1516 | scnprintf(buf, size, "N/A"); | |
345dc0b4 | 1517 | break; |
ec3d07cb | 1518 | } |
345dc0b4 JO |
1519 | |
1520 | if (pair->diff.computed) | |
1521 | wdiff = pair->diff.wdiff; | |
1522 | else | |
ef358e6d | 1523 | wdiff = compute_wdiff(he, pair); |
345dc0b4 JO |
1524 | |
1525 | if (wdiff != 0) | |
1526 | scnprintf(buf, size, "%14ld", wdiff); | |
1527 | break; | |
1528 | ||
1529 | case PERF_HPP_DIFF__FORMULA: | |
ef358e6d | 1530 | formula_fprintf(he, pair, buf, size); |
7aaf6b35 | 1531 | break; |
345dc0b4 JO |
1532 | |
1533 | case PERF_HPP_DIFF__PERIOD: | |
1534 | scnprintf(buf, size, "%" PRIu64, pair->stat.period); | |
1535 | break; | |
1536 | ||
7aaf6b35 JO |
1537 | default: |
1538 | BUG_ON(1); | |
1539 | }; | |
345dc0b4 JO |
1540 | } |
1541 | ||
1542 | static void | |
22aeb7f5 JO |
1543 | __hpp__entry_global(struct hist_entry *he, struct diff_hpp_fmt *dfmt, |
1544 | char *buf, size_t size) | |
345dc0b4 | 1545 | { |
5f3f8d3b | 1546 | struct hist_entry *pair = get_pair_fmt(he, dfmt); |
22aeb7f5 | 1547 | int idx = dfmt->idx; |
345dc0b4 JO |
1548 | |
1549 | /* baseline is special */ | |
1550 | if (idx == PERF_HPP_DIFF__BASELINE) | |
1551 | hpp__entry_baseline(he, buf, size); | |
1552 | else { | |
1553 | if (pair) | |
1554 | hpp__entry_pair(he, pair, idx, buf, size); | |
1555 | else | |
1556 | hpp__entry_unpair(he, idx, buf, size); | |
1557 | } | |
1558 | } | |
1559 | ||
1560 | static int hpp__entry_global(struct perf_hpp_fmt *_fmt, struct perf_hpp *hpp, | |
1561 | struct hist_entry *he) | |
1562 | { | |
1563 | struct diff_hpp_fmt *dfmt = | |
1564 | container_of(_fmt, struct diff_hpp_fmt, fmt); | |
1565 | char buf[MAX_COL_WIDTH] = " "; | |
1566 | ||
22aeb7f5 | 1567 | __hpp__entry_global(he, dfmt, buf, MAX_COL_WIDTH); |
345dc0b4 JO |
1568 | |
1569 | if (symbol_conf.field_sep) | |
1570 | return scnprintf(hpp->buf, hpp->size, "%s", buf); | |
1571 | else | |
1572 | return scnprintf(hpp->buf, hpp->size, "%*s", | |
1573 | dfmt->header_width, buf); | |
1574 | } | |
1575 | ||
94a0793d | 1576 | static int hpp__header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, |
74bb43f2 | 1577 | struct hists *hists __maybe_unused, |
29659ab4 JO |
1578 | int line __maybe_unused, |
1579 | int *span __maybe_unused) | |
345dc0b4 JO |
1580 | { |
1581 | struct diff_hpp_fmt *dfmt = | |
1582 | container_of(fmt, struct diff_hpp_fmt, fmt); | |
1583 | ||
1584 | BUG_ON(!dfmt->header); | |
1585 | return scnprintf(hpp->buf, hpp->size, dfmt->header); | |
1586 | } | |
1587 | ||
1588 | static int hpp__width(struct perf_hpp_fmt *fmt, | |
94a0793d | 1589 | struct perf_hpp *hpp __maybe_unused, |
da1b0407 | 1590 | struct hists *hists __maybe_unused) |
345dc0b4 JO |
1591 | { |
1592 | struct diff_hpp_fmt *dfmt = | |
1593 | container_of(fmt, struct diff_hpp_fmt, fmt); | |
1594 | ||
1595 | BUG_ON(dfmt->header_width <= 0); | |
1596 | return dfmt->header_width; | |
1597 | } | |
1598 | ||
22aeb7f5 | 1599 | static void init_header(struct data__file *d, struct diff_hpp_fmt *dfmt) |
345dc0b4 JO |
1600 | { |
1601 | #define MAX_HEADER_NAME 100 | |
1602 | char buf_indent[MAX_HEADER_NAME]; | |
1603 | char buf[MAX_HEADER_NAME]; | |
1604 | const char *header = NULL; | |
1605 | int width = 0; | |
1606 | ||
1607 | BUG_ON(dfmt->idx >= PERF_HPP_DIFF__MAX_INDEX); | |
1608 | header = columns[dfmt->idx].name; | |
1609 | width = columns[dfmt->idx].width; | |
1610 | ||
1611 | /* Only our defined HPP fmts should appear here. */ | |
1612 | BUG_ON(!header); | |
1613 | ||
22aeb7f5 JO |
1614 | if (data__files_cnt > 2) |
1615 | scnprintf(buf, MAX_HEADER_NAME, "%s/%d", header, d->idx); | |
1616 | ||
345dc0b4 JO |
1617 | #define NAME (data__files_cnt > 2 ? buf : header) |
1618 | dfmt->header_width = width; | |
1619 | width = (int) strlen(NAME); | |
1620 | if (dfmt->header_width < width) | |
1621 | dfmt->header_width = width; | |
1622 | ||
1623 | scnprintf(buf_indent, MAX_HEADER_NAME, "%*s", | |
1624 | dfmt->header_width, NAME); | |
1625 | ||
1626 | dfmt->header = strdup(buf_indent); | |
1627 | #undef MAX_HEADER_NAME | |
1628 | #undef NAME | |
1629 | } | |
1630 | ||
c818b498 | 1631 | static void data__hpp_register(struct data__file *d, int idx) |
345dc0b4 | 1632 | { |
c818b498 JO |
1633 | struct diff_hpp_fmt *dfmt = &d->fmt[idx]; |
1634 | struct perf_hpp_fmt *fmt = &dfmt->fmt; | |
1635 | ||
1636 | dfmt->idx = idx; | |
1637 | ||
1638 | fmt->header = hpp__header; | |
1639 | fmt->width = hpp__width; | |
1640 | fmt->entry = hpp__entry_global; | |
e7024fc3 NK |
1641 | fmt->cmp = hist_entry__cmp_nop; |
1642 | fmt->collapse = hist_entry__cmp_nop; | |
c818b498 JO |
1643 | |
1644 | /* TODO more colors */ | |
01f10bc8 RR |
1645 | switch (idx) { |
1646 | case PERF_HPP_DIFF__BASELINE: | |
c818b498 | 1647 | fmt->color = hpp__color_baseline; |
e7024fc3 | 1648 | fmt->sort = hist_entry__cmp_baseline; |
01f10bc8 RR |
1649 | break; |
1650 | case PERF_HPP_DIFF__DELTA: | |
1651 | fmt->color = hpp__color_delta; | |
e7024fc3 | 1652 | fmt->sort = hist_entry__cmp_delta; |
01f10bc8 | 1653 | break; |
1f513b2c RR |
1654 | case PERF_HPP_DIFF__RATIO: |
1655 | fmt->color = hpp__color_ratio; | |
e7024fc3 | 1656 | fmt->sort = hist_entry__cmp_ratio; |
1f513b2c | 1657 | break; |
a5846e21 RR |
1658 | case PERF_HPP_DIFF__WEIGHTED_DIFF: |
1659 | fmt->color = hpp__color_wdiff; | |
e7024fc3 | 1660 | fmt->sort = hist_entry__cmp_wdiff; |
a5846e21 | 1661 | break; |
a1668c25 NK |
1662 | case PERF_HPP_DIFF__DELTA_ABS: |
1663 | fmt->color = hpp__color_delta; | |
1664 | fmt->sort = hist_entry__cmp_delta_abs; | |
1665 | break; | |
b10c78c5 JY |
1666 | case PERF_HPP_DIFF__CYCLES: |
1667 | fmt->color = hpp__color_cycles; | |
1668 | fmt->sort = hist_entry__cmp_nop; | |
1669 | break; | |
01f10bc8 | 1670 | default: |
e7024fc3 | 1671 | fmt->sort = hist_entry__cmp_nop; |
01f10bc8 RR |
1672 | break; |
1673 | } | |
345dc0b4 | 1674 | |
22aeb7f5 | 1675 | init_header(d, dfmt); |
c818b498 | 1676 | perf_hpp__column_register(fmt); |
e7024fc3 | 1677 | perf_hpp__register_sort_field(fmt); |
345dc0b4 JO |
1678 | } |
1679 | ||
566b5cfb | 1680 | static int ui_init(void) |
345dc0b4 | 1681 | { |
c818b498 | 1682 | struct data__file *d; |
566b5cfb | 1683 | struct perf_hpp_fmt *fmt; |
c818b498 JO |
1684 | int i; |
1685 | ||
1686 | data__for_each_file(i, d) { | |
1687 | ||
1688 | /* | |
1689 | * Baseline or compute realted columns: | |
1690 | * | |
1691 | * PERF_HPP_DIFF__BASELINE | |
1692 | * PERF_HPP_DIFF__DELTA | |
1693 | * PERF_HPP_DIFF__RATIO | |
1694 | * PERF_HPP_DIFF__WEIGHTED_DIFF | |
1695 | */ | |
1696 | data__hpp_register(d, i ? compute_2_hpp[compute] : | |
1697 | PERF_HPP_DIFF__BASELINE); | |
1d77822e | 1698 | |
c818b498 JO |
1699 | /* |
1700 | * And the rest: | |
1701 | * | |
1702 | * PERF_HPP_DIFF__FORMULA | |
1703 | * PERF_HPP_DIFF__PERIOD | |
1704 | * PERF_HPP_DIFF__PERIOD_BASELINE | |
1705 | */ | |
1706 | if (show_formula && i) | |
1707 | data__hpp_register(d, PERF_HPP_DIFF__FORMULA); | |
ed279da2 | 1708 | |
c818b498 JO |
1709 | if (show_period) |
1710 | data__hpp_register(d, i ? PERF_HPP_DIFF__PERIOD : | |
1711 | PERF_HPP_DIFF__PERIOD_BASELINE); | |
61949b21 | 1712 | } |
566b5cfb NK |
1713 | |
1714 | if (!sort_compute) | |
1715 | return 0; | |
1716 | ||
1717 | /* | |
1718 | * Prepend an fmt to sort on columns at 'sort_compute' first. | |
1719 | * This fmt is added only to the sort list but not to the | |
1720 | * output fields list. | |
1721 | * | |
1722 | * Note that this column (data) can be compared twice - one | |
1723 | * for this 'sort_compute' fmt and another for the normal | |
1724 | * diff_hpp_fmt. But it shouldn't a problem as most entries | |
1725 | * will be sorted out by first try or baseline and comparing | |
1726 | * is not a costly operation. | |
1727 | */ | |
1728 | fmt = zalloc(sizeof(*fmt)); | |
1729 | if (fmt == NULL) { | |
1730 | pr_err("Memory allocation failed\n"); | |
1731 | return -1; | |
1732 | } | |
1733 | ||
1734 | fmt->cmp = hist_entry__cmp_nop; | |
1735 | fmt->collapse = hist_entry__cmp_nop; | |
1736 | ||
1737 | switch (compute) { | |
1738 | case COMPUTE_DELTA: | |
1739 | fmt->sort = hist_entry__cmp_delta_idx; | |
1740 | break; | |
1741 | case COMPUTE_RATIO: | |
1742 | fmt->sort = hist_entry__cmp_ratio_idx; | |
1743 | break; | |
1744 | case COMPUTE_WEIGHTED_DIFF: | |
1745 | fmt->sort = hist_entry__cmp_wdiff_idx; | |
1746 | break; | |
a1668c25 NK |
1747 | case COMPUTE_DELTA_ABS: |
1748 | fmt->sort = hist_entry__cmp_delta_abs_idx; | |
1749 | break; | |
99150a1f JY |
1750 | case COMPUTE_CYCLES: |
1751 | /* | |
1752 | * Should set since 'fmt->sort' is called without | |
1753 | * checking valid during sorting | |
1754 | */ | |
1755 | fmt->sort = hist_entry__cmp_nop; | |
1756 | break; | |
566b5cfb NK |
1757 | default: |
1758 | BUG_ON(1); | |
1759 | } | |
1760 | ||
a1c9f97f | 1761 | perf_hpp__prepend_sort_field(fmt); |
566b5cfb | 1762 | return 0; |
1d77822e JO |
1763 | } |
1764 | ||
ec308426 | 1765 | static int data_init(int argc, const char **argv) |
86a9eee0 | 1766 | { |
ec308426 JO |
1767 | struct data__file *d; |
1768 | static const char *defaults[] = { | |
1769 | "perf.data.old", | |
1770 | "perf.data", | |
1771 | }; | |
22aeb7f5 | 1772 | bool use_default = true; |
ec308426 JO |
1773 | int i; |
1774 | ||
1775 | data__files_cnt = 2; | |
1776 | ||
86a9eee0 | 1777 | if (argc) { |
22aeb7f5 | 1778 | if (argc == 1) |
ec308426 | 1779 | defaults[1] = argv[0]; |
22aeb7f5 JO |
1780 | else { |
1781 | data__files_cnt = argc; | |
1782 | use_default = false; | |
1783 | } | |
d8d9608f | 1784 | } else if (perf_guest) { |
ec308426 JO |
1785 | defaults[0] = "perf.data.host"; |
1786 | defaults[1] = "perf.data.guest"; | |
86a9eee0 ACM |
1787 | } |
1788 | ||
5f3f8d3b JO |
1789 | if (sort_compute >= (unsigned int) data__files_cnt) { |
1790 | pr_err("Order option out of limit.\n"); | |
1791 | return -EINVAL; | |
1792 | } | |
1793 | ||
ec308426 JO |
1794 | data__files = zalloc(sizeof(*data__files) * data__files_cnt); |
1795 | if (!data__files) | |
1796 | return -ENOMEM; | |
1797 | ||
1798 | data__for_each_file(i, d) { | |
8ceb41d7 | 1799 | struct perf_data *data = &d->data; |
f5fc1412 | 1800 | |
2d4f2799 JO |
1801 | data->path = use_default ? defaults[i] : argv[i]; |
1802 | data->mode = PERF_DATA_MODE_READ, | |
1803 | data->force = force, | |
f5fc1412 | 1804 | |
ec308426 JO |
1805 | d->idx = i; |
1806 | } | |
1807 | ||
1808 | return 0; | |
1809 | } | |
1810 | ||
d49dd15d NK |
1811 | static int diff__config(const char *var, const char *value, |
1812 | void *cb __maybe_unused) | |
1813 | { | |
1814 | if (!strcmp(var, "diff.order")) { | |
25ce4bb8 ACM |
1815 | int ret; |
1816 | if (perf_config_int(&ret, var, value) < 0) | |
1817 | return -1; | |
1818 | sort_compute = ret; | |
d49dd15d NK |
1819 | return 0; |
1820 | } | |
4b35994a NK |
1821 | if (!strcmp(var, "diff.compute")) { |
1822 | if (!strcmp(value, "delta")) { | |
1823 | compute = COMPUTE_DELTA; | |
1824 | } else if (!strcmp(value, "delta-abs")) { | |
1825 | compute = COMPUTE_DELTA_ABS; | |
1826 | } else if (!strcmp(value, "ratio")) { | |
1827 | compute = COMPUTE_RATIO; | |
1828 | } else if (!strcmp(value, "wdiff")) { | |
1829 | compute = COMPUTE_WEIGHTED_DIFF; | |
1830 | } else { | |
1831 | pr_err("Invalid compute method: %s\n", value); | |
1832 | return -1; | |
1833 | } | |
1834 | } | |
d49dd15d NK |
1835 | |
1836 | return 0; | |
1837 | } | |
1838 | ||
b0ad8ea6 | 1839 | int cmd_diff(int argc, const char **argv) |
ec308426 | 1840 | { |
9ab1f508 KL |
1841 | int ret = hists__init(); |
1842 | ||
1843 | if (ret < 0) | |
1844 | return ret; | |
1845 | ||
d49dd15d NK |
1846 | perf_config(diff__config, NULL); |
1847 | ||
ec308426 JO |
1848 | argc = parse_options(argc, argv, options, diff_usage, 0); |
1849 | ||
63b42fce NK |
1850 | if (quiet) |
1851 | perf_quiet_option(); | |
1852 | ||
99150a1f JY |
1853 | symbol__annotation_init(); |
1854 | ||
0a7e6d1b | 1855 | if (symbol__init(NULL) < 0) |
655000e7 ACM |
1856 | return -1; |
1857 | ||
ec308426 JO |
1858 | if (data_init(argc, argv) < 0) |
1859 | return -1; | |
1860 | ||
30d81553 JY |
1861 | if (check_file_brstack() < 0) |
1862 | return -1; | |
1863 | ||
99150a1f JY |
1864 | if (compute == COMPUTE_CYCLES && !pdiff.has_br_stack) |
1865 | return -1; | |
1866 | ||
566b5cfb NK |
1867 | if (ui_init() < 0) |
1868 | return -1; | |
1d77822e | 1869 | |
512ae1bd NK |
1870 | sort__mode = SORT_MODE__DIFF; |
1871 | ||
40184c46 | 1872 | if (setup_sorting(NULL) < 0) |
55309985 NK |
1873 | usage_with_options(diff_usage, options); |
1874 | ||
86a9eee0 | 1875 | setup_pager(); |
c351c281 | 1876 | |
08e71542 | 1877 | sort__setup_elide(NULL); |
c351c281 | 1878 | |
86a9eee0 ACM |
1879 | return __cmd_diff(); |
1880 | } |