Commit | Line | Data |
---|---|---|
86a9eee0 ACM |
1 | /* |
2 | * builtin-diff.c | |
3 | * | |
4 | * Builtin diff command: Analyze two perf.data input files, look up and read | |
5 | * DSOs and symbol information, sort them and produce a diff. | |
6 | */ | |
7 | #include "builtin.h" | |
8 | ||
9 | #include "util/debug.h" | |
10 | #include "util/event.h" | |
11 | #include "util/hist.h" | |
743eb868 | 12 | #include "util/evsel.h" |
863e451f | 13 | #include "util/evlist.h" |
86a9eee0 | 14 | #include "util/session.h" |
45694aa7 | 15 | #include "util/tool.h" |
86a9eee0 ACM |
16 | #include "util/sort.h" |
17 | #include "util/symbol.h" | |
18 | #include "util/util.h" | |
19 | ||
20 | #include <stdlib.h> | |
21 | ||
c351c281 ACM |
22 | static char const *input_old = "perf.data.old", |
23 | *input_new = "perf.data"; | |
604c5c92 | 24 | static char diff__default_sort_order[] = "dso,symbol"; |
c0555642 | 25 | static bool force; |
c351c281 | 26 | static bool show_displacement; |
61949b21 | 27 | static bool show_period; |
ed279da2 | 28 | static bool show_formula; |
a06d143e | 29 | static bool show_baseline_only; |
96c47f19 | 30 | static bool sort_compute; |
86a9eee0 | 31 | |
81d5f958 JO |
32 | static s64 compute_wdiff_w1; |
33 | static s64 compute_wdiff_w2; | |
34 | ||
7aaf6b35 JO |
35 | enum { |
36 | COMPUTE_DELTA, | |
37 | COMPUTE_RATIO, | |
81d5f958 | 38 | COMPUTE_WEIGHTED_DIFF, |
7aaf6b35 JO |
39 | COMPUTE_MAX, |
40 | }; | |
41 | ||
42 | const char *compute_names[COMPUTE_MAX] = { | |
43 | [COMPUTE_DELTA] = "delta", | |
44 | [COMPUTE_RATIO] = "ratio", | |
81d5f958 | 45 | [COMPUTE_WEIGHTED_DIFF] = "wdiff", |
7aaf6b35 JO |
46 | }; |
47 | ||
48 | static int compute; | |
49 | ||
81d5f958 JO |
50 | static int setup_compute_opt_wdiff(char *opt) |
51 | { | |
52 | char *w1_str = opt; | |
53 | char *w2_str; | |
54 | ||
55 | int ret = -EINVAL; | |
56 | ||
57 | if (!opt) | |
58 | goto out; | |
59 | ||
60 | w2_str = strchr(opt, ','); | |
61 | if (!w2_str) | |
62 | goto out; | |
63 | ||
64 | *w2_str++ = 0x0; | |
65 | if (!*w2_str) | |
66 | goto out; | |
67 | ||
68 | compute_wdiff_w1 = strtol(w1_str, NULL, 10); | |
69 | compute_wdiff_w2 = strtol(w2_str, NULL, 10); | |
70 | ||
71 | if (!compute_wdiff_w1 || !compute_wdiff_w2) | |
72 | goto out; | |
73 | ||
74 | pr_debug("compute wdiff w1(%" PRId64 ") w2(%" PRId64 ")\n", | |
75 | compute_wdiff_w1, compute_wdiff_w2); | |
76 | ||
77 | ret = 0; | |
78 | ||
79 | out: | |
80 | if (ret) | |
81 | pr_err("Failed: wrong weight data, use 'wdiff:w1,w2'\n"); | |
82 | ||
83 | return ret; | |
84 | } | |
85 | ||
86 | static int setup_compute_opt(char *opt) | |
87 | { | |
88 | if (compute == COMPUTE_WEIGHTED_DIFF) | |
89 | return setup_compute_opt_wdiff(opt); | |
90 | ||
91 | if (opt) { | |
92 | pr_err("Failed: extra option specified '%s'", opt); | |
93 | return -EINVAL; | |
94 | } | |
95 | ||
96 | return 0; | |
97 | } | |
98 | ||
7aaf6b35 JO |
99 | static int setup_compute(const struct option *opt, const char *str, |
100 | int unset __maybe_unused) | |
101 | { | |
102 | int *cp = (int *) opt->value; | |
81d5f958 JO |
103 | char *cstr = (char *) str; |
104 | char buf[50]; | |
7aaf6b35 | 105 | unsigned i; |
81d5f958 | 106 | char *option; |
7aaf6b35 JO |
107 | |
108 | if (!str) { | |
109 | *cp = COMPUTE_DELTA; | |
110 | return 0; | |
111 | } | |
112 | ||
96c47f19 JO |
113 | if (*str == '+') { |
114 | sort_compute = true; | |
81d5f958 | 115 | cstr = (char *) ++str; |
96c47f19 JO |
116 | if (!*str) |
117 | return 0; | |
118 | } | |
119 | ||
81d5f958 JO |
120 | option = strchr(str, ':'); |
121 | if (option) { | |
122 | unsigned len = option++ - str; | |
123 | ||
124 | /* | |
125 | * The str data are not writeable, so we need | |
126 | * to use another buffer. | |
127 | */ | |
128 | ||
129 | /* No option value is longer. */ | |
130 | if (len >= sizeof(buf)) | |
131 | return -EINVAL; | |
132 | ||
133 | strncpy(buf, str, len); | |
134 | buf[len] = 0x0; | |
135 | cstr = buf; | |
136 | } | |
137 | ||
7aaf6b35 | 138 | for (i = 0; i < COMPUTE_MAX; i++) |
81d5f958 | 139 | if (!strcmp(cstr, compute_names[i])) { |
7aaf6b35 | 140 | *cp = i; |
81d5f958 | 141 | return setup_compute_opt(option); |
7aaf6b35 JO |
142 | } |
143 | ||
144 | pr_err("Failed: '%s' is not computation method " | |
81d5f958 | 145 | "(use 'delta','ratio' or 'wdiff')\n", str); |
7aaf6b35 JO |
146 | return -EINVAL; |
147 | } | |
148 | ||
05472daa | 149 | double perf_diff__period_percent(struct hist_entry *he, u64 period) |
96c47f19 JO |
150 | { |
151 | u64 total = he->hists->stats.total_period; | |
152 | return (period * 100.0) / total; | |
153 | } | |
154 | ||
05472daa | 155 | double perf_diff__compute_delta(struct hist_entry *he, struct hist_entry *pair) |
96c47f19 | 156 | { |
05472daa JO |
157 | double new_percent = perf_diff__period_percent(he, he->stat.period); |
158 | double old_percent = perf_diff__period_percent(pair, pair->stat.period); | |
96c47f19 JO |
159 | |
160 | he->diff.period_ratio_delta = new_percent - old_percent; | |
161 | he->diff.computed = true; | |
162 | return he->diff.period_ratio_delta; | |
163 | } | |
164 | ||
05472daa | 165 | double perf_diff__compute_ratio(struct hist_entry *he, struct hist_entry *pair) |
96c47f19 | 166 | { |
96c47f19 | 167 | double new_period = he->stat.period; |
05472daa | 168 | double old_period = pair->stat.period; |
96c47f19 JO |
169 | |
170 | he->diff.computed = true; | |
05472daa | 171 | he->diff.period_ratio = new_period / old_period; |
96c47f19 JO |
172 | return he->diff.period_ratio; |
173 | } | |
174 | ||
05472daa | 175 | s64 perf_diff__compute_wdiff(struct hist_entry *he, struct hist_entry *pair) |
81d5f958 | 176 | { |
81d5f958 | 177 | u64 new_period = he->stat.period; |
05472daa | 178 | u64 old_period = pair->stat.period; |
81d5f958 JO |
179 | |
180 | he->diff.computed = true; | |
05472daa JO |
181 | he->diff.wdiff = new_period * compute_wdiff_w2 - |
182 | old_period * compute_wdiff_w1; | |
81d5f958 JO |
183 | |
184 | return he->diff.wdiff; | |
185 | } | |
186 | ||
ed279da2 JO |
187 | static int formula_delta(struct hist_entry *he, char *buf, size_t size) |
188 | { | |
b821c732 | 189 | struct hist_entry *pair = hist_entry__next_pair(he); |
ed279da2 JO |
190 | |
191 | if (!pair) | |
192 | return -1; | |
193 | ||
194 | return scnprintf(buf, size, | |
195 | "(%" PRIu64 " * 100 / %" PRIu64 ") - " | |
196 | "(%" PRIu64 " * 100 / %" PRIu64 ")", | |
197 | he->stat.period, he->hists->stats.total_period, | |
198 | pair->stat.period, pair->hists->stats.total_period); | |
199 | } | |
200 | ||
201 | static int formula_ratio(struct hist_entry *he, char *buf, size_t size) | |
202 | { | |
b821c732 | 203 | struct hist_entry *pair = hist_entry__next_pair(he); |
ed279da2 JO |
204 | double new_period = he->stat.period; |
205 | double old_period = pair ? pair->stat.period : 0; | |
206 | ||
207 | if (!pair) | |
208 | return -1; | |
209 | ||
210 | return scnprintf(buf, size, "%.0F / %.0F", new_period, old_period); | |
211 | } | |
212 | ||
213 | static int formula_wdiff(struct hist_entry *he, char *buf, size_t size) | |
214 | { | |
b821c732 | 215 | struct hist_entry *pair = hist_entry__next_pair(he); |
ed279da2 JO |
216 | u64 new_period = he->stat.period; |
217 | u64 old_period = pair ? pair->stat.period : 0; | |
218 | ||
219 | if (!pair) | |
220 | return -1; | |
221 | ||
222 | return scnprintf(buf, size, | |
223 | "(%" PRIu64 " * " "%" PRId64 ") - (%" PRIu64 " * " "%" PRId64 ")", | |
224 | new_period, compute_wdiff_w2, old_period, compute_wdiff_w1); | |
225 | } | |
226 | ||
227 | int perf_diff__formula(char *buf, size_t size, struct hist_entry *he) | |
228 | { | |
229 | switch (compute) { | |
230 | case COMPUTE_DELTA: | |
231 | return formula_delta(he, buf, size); | |
232 | case COMPUTE_RATIO: | |
233 | return formula_ratio(he, buf, size); | |
234 | case COMPUTE_WEIGHTED_DIFF: | |
235 | return formula_wdiff(he, buf, size); | |
236 | default: | |
237 | BUG_ON(1); | |
238 | } | |
239 | ||
240 | return -1; | |
241 | } | |
242 | ||
1c02c4d2 | 243 | static int hists__add_entry(struct hists *self, |
c82ee828 | 244 | struct addr_location *al, u64 period) |
86a9eee0 | 245 | { |
c82ee828 | 246 | if (__hists__add_entry(self, al, NULL, period) != NULL) |
28e2a106 ACM |
247 | return 0; |
248 | return -ENOMEM; | |
86a9eee0 ACM |
249 | } |
250 | ||
1d037ca1 | 251 | static int diff__process_sample_event(struct perf_tool *tool __maybe_unused, |
d20deb64 | 252 | union perf_event *event, |
8d50e5b4 | 253 | struct perf_sample *sample, |
863e451f | 254 | struct perf_evsel *evsel, |
743eb868 | 255 | struct machine *machine) |
86a9eee0 ACM |
256 | { |
257 | struct addr_location al; | |
86a9eee0 | 258 | |
743eb868 | 259 | if (perf_event__preprocess_sample(event, machine, &al, sample, NULL) < 0) { |
86a9eee0 ACM |
260 | pr_warning("problem processing %d event, skipping it.\n", |
261 | event->header.type); | |
262 | return -1; | |
263 | } | |
264 | ||
d88c48f9 | 265 | if (al.filtered) |
c410a338 ACM |
266 | return 0; |
267 | ||
863e451f | 268 | if (hists__add_entry(&evsel->hists, &al, sample->period)) { |
c82ee828 | 269 | pr_warning("problem incrementing symbol period, skipping event\n"); |
86a9eee0 ACM |
270 | return -1; |
271 | } | |
272 | ||
863e451f | 273 | evsel->hists.stats.total_period += sample->period; |
86a9eee0 ACM |
274 | return 0; |
275 | } | |
276 | ||
863e451f JO |
277 | static struct perf_tool tool = { |
278 | .sample = diff__process_sample_event, | |
279 | .mmap = perf_event__process_mmap, | |
280 | .comm = perf_event__process_comm, | |
f62d3f0f ACM |
281 | .exit = perf_event__process_exit, |
282 | .fork = perf_event__process_fork, | |
863e451f JO |
283 | .lost = perf_event__process_lost, |
284 | .ordered_samples = true, | |
285 | .ordering_requires_timestamps = true, | |
86a9eee0 ACM |
286 | }; |
287 | ||
dd464345 JO |
288 | static void insert_hist_entry_by_name(struct rb_root *root, |
289 | struct hist_entry *he) | |
86a9eee0 ACM |
290 | { |
291 | struct rb_node **p = &root->rb_node; | |
292 | struct rb_node *parent = NULL; | |
293 | struct hist_entry *iter; | |
294 | ||
295 | while (*p != NULL) { | |
86a9eee0 ACM |
296 | parent = *p; |
297 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
9c443dfd | 298 | if (hist_entry__cmp(he, iter) < 0) |
86a9eee0 | 299 | p = &(*p)->rb_left; |
9c443dfd | 300 | else |
86a9eee0 | 301 | p = &(*p)->rb_right; |
86a9eee0 ACM |
302 | } |
303 | ||
304 | rb_link_node(&he->rb_node, parent, p); | |
305 | rb_insert_color(&he->rb_node, root); | |
306 | } | |
307 | ||
dd464345 | 308 | static void hists__name_resort(struct hists *self, bool sort) |
86a9eee0 ACM |
309 | { |
310 | unsigned long position = 1; | |
311 | struct rb_root tmp = RB_ROOT; | |
1c02c4d2 | 312 | struct rb_node *next = rb_first(&self->entries); |
86a9eee0 ACM |
313 | |
314 | while (next != NULL) { | |
315 | struct hist_entry *n = rb_entry(next, struct hist_entry, rb_node); | |
316 | ||
317 | next = rb_next(&n->rb_node); | |
86a9eee0 | 318 | n->position = position++; |
dd464345 JO |
319 | |
320 | if (sort) { | |
321 | rb_erase(&n->rb_node, &self->entries); | |
322 | insert_hist_entry_by_name(&tmp, n); | |
323 | } | |
86a9eee0 ACM |
324 | } |
325 | ||
dd464345 JO |
326 | if (sort) |
327 | self->entries = tmp; | |
86a9eee0 ACM |
328 | } |
329 | ||
863e451f JO |
330 | static struct perf_evsel *evsel_match(struct perf_evsel *evsel, |
331 | struct perf_evlist *evlist) | |
332 | { | |
333 | struct perf_evsel *e; | |
334 | ||
335 | list_for_each_entry(e, &evlist->entries, node) | |
336 | if (perf_evsel__match2(evsel, e)) | |
337 | return e; | |
338 | ||
339 | return NULL; | |
340 | } | |
341 | ||
dd464345 JO |
342 | static void perf_evlist__resort_hists(struct perf_evlist *evlist, bool name) |
343 | { | |
344 | struct perf_evsel *evsel; | |
345 | ||
346 | list_for_each_entry(evsel, &evlist->entries, node) { | |
347 | struct hists *hists = &evsel->hists; | |
348 | ||
349 | hists__output_resort(hists); | |
350 | ||
351 | /* | |
352 | * The hists__name_resort only sets possition | |
353 | * if name is false. | |
354 | */ | |
355 | if (name || ((!name) && show_displacement)) | |
356 | hists__name_resort(hists, name); | |
357 | } | |
358 | } | |
359 | ||
a06d143e JO |
360 | static void hists__baseline_only(struct hists *hists) |
361 | { | |
362 | struct rb_node *next = rb_first(&hists->entries); | |
363 | ||
364 | while (next != NULL) { | |
365 | struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node); | |
366 | ||
367 | next = rb_next(&he->rb_node); | |
b821c732 | 368 | if (!hist_entry__next_pair(he)) { |
a06d143e JO |
369 | rb_erase(&he->rb_node, &hists->entries); |
370 | hist_entry__free(he); | |
371 | } | |
372 | } | |
373 | } | |
374 | ||
96c47f19 JO |
375 | static void hists__precompute(struct hists *hists) |
376 | { | |
377 | struct rb_node *next = rb_first(&hists->entries); | |
378 | ||
379 | while (next != NULL) { | |
380 | struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node); | |
05472daa | 381 | struct hist_entry *pair = hist_entry__next_pair(he); |
96c47f19 JO |
382 | |
383 | next = rb_next(&he->rb_node); | |
05472daa JO |
384 | if (!pair) |
385 | continue; | |
96c47f19 JO |
386 | |
387 | switch (compute) { | |
388 | case COMPUTE_DELTA: | |
05472daa | 389 | perf_diff__compute_delta(he, pair); |
96c47f19 JO |
390 | break; |
391 | case COMPUTE_RATIO: | |
05472daa | 392 | perf_diff__compute_ratio(he, pair); |
96c47f19 | 393 | break; |
81d5f958 | 394 | case COMPUTE_WEIGHTED_DIFF: |
05472daa | 395 | perf_diff__compute_wdiff(he, pair); |
81d5f958 | 396 | break; |
96c47f19 JO |
397 | default: |
398 | BUG_ON(1); | |
399 | } | |
400 | } | |
401 | } | |
402 | ||
403 | static int64_t cmp_doubles(double l, double r) | |
404 | { | |
405 | if (l > r) | |
406 | return -1; | |
407 | else if (l < r) | |
408 | return 1; | |
409 | else | |
410 | return 0; | |
411 | } | |
412 | ||
413 | static int64_t | |
414 | hist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right, | |
415 | int c) | |
416 | { | |
417 | switch (c) { | |
418 | case COMPUTE_DELTA: | |
419 | { | |
420 | double l = left->diff.period_ratio_delta; | |
421 | double r = right->diff.period_ratio_delta; | |
422 | ||
423 | return cmp_doubles(l, r); | |
424 | } | |
425 | case COMPUTE_RATIO: | |
426 | { | |
427 | double l = left->diff.period_ratio; | |
428 | double r = right->diff.period_ratio; | |
429 | ||
430 | return cmp_doubles(l, r); | |
431 | } | |
81d5f958 JO |
432 | case COMPUTE_WEIGHTED_DIFF: |
433 | { | |
434 | s64 l = left->diff.wdiff; | |
435 | s64 r = right->diff.wdiff; | |
436 | ||
437 | return r - l; | |
438 | } | |
96c47f19 JO |
439 | default: |
440 | BUG_ON(1); | |
441 | } | |
442 | ||
443 | return 0; | |
444 | } | |
445 | ||
446 | static void insert_hist_entry_by_compute(struct rb_root *root, | |
447 | struct hist_entry *he, | |
448 | int c) | |
449 | { | |
450 | struct rb_node **p = &root->rb_node; | |
451 | struct rb_node *parent = NULL; | |
452 | struct hist_entry *iter; | |
453 | ||
454 | while (*p != NULL) { | |
455 | parent = *p; | |
456 | iter = rb_entry(parent, struct hist_entry, rb_node); | |
457 | if (hist_entry__cmp_compute(he, iter, c) < 0) | |
458 | p = &(*p)->rb_left; | |
459 | else | |
460 | p = &(*p)->rb_right; | |
461 | } | |
462 | ||
463 | rb_link_node(&he->rb_node, parent, p); | |
464 | rb_insert_color(&he->rb_node, root); | |
465 | } | |
466 | ||
467 | static void hists__compute_resort(struct hists *hists) | |
468 | { | |
469 | struct rb_root tmp = RB_ROOT; | |
470 | struct rb_node *next = rb_first(&hists->entries); | |
471 | ||
472 | while (next != NULL) { | |
473 | struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node); | |
474 | ||
475 | next = rb_next(&he->rb_node); | |
476 | ||
477 | rb_erase(&he->rb_node, &hists->entries); | |
478 | insert_hist_entry_by_compute(&tmp, he, compute); | |
479 | } | |
480 | ||
481 | hists->entries = tmp; | |
482 | } | |
483 | ||
a06d143e JO |
484 | static void hists__process(struct hists *old, struct hists *new) |
485 | { | |
95529be4 | 486 | hists__match(new, old); |
a06d143e JO |
487 | |
488 | if (show_baseline_only) | |
489 | hists__baseline_only(new); | |
bfaef4b4 ACM |
490 | else |
491 | hists__link(new, old); | |
a06d143e | 492 | |
96c47f19 JO |
493 | if (sort_compute) { |
494 | hists__precompute(new); | |
495 | hists__compute_resort(new); | |
496 | } | |
497 | ||
a06d143e JO |
498 | hists__fprintf(new, true, 0, 0, stdout); |
499 | } | |
500 | ||
86a9eee0 ACM |
501 | static int __cmd_diff(void) |
502 | { | |
503 | int ret, i; | |
4bf9ce1b JO |
504 | #define older (session[0]) |
505 | #define newer (session[1]) | |
86a9eee0 | 506 | struct perf_session *session[2]; |
863e451f JO |
507 | struct perf_evlist *evlist_new, *evlist_old; |
508 | struct perf_evsel *evsel; | |
509 | bool first = true; | |
86a9eee0 | 510 | |
4bf9ce1b | 511 | older = perf_session__new(input_old, O_RDONLY, force, false, |
863e451f | 512 | &tool); |
4bf9ce1b | 513 | newer = perf_session__new(input_new, O_RDONLY, force, false, |
863e451f | 514 | &tool); |
86a9eee0 ACM |
515 | if (session[0] == NULL || session[1] == NULL) |
516 | return -ENOMEM; | |
517 | ||
518 | for (i = 0; i < 2; ++i) { | |
863e451f | 519 | ret = perf_session__process_events(session[i], &tool); |
86a9eee0 ACM |
520 | if (ret) |
521 | goto out_delete; | |
86a9eee0 ACM |
522 | } |
523 | ||
863e451f JO |
524 | evlist_old = older->evlist; |
525 | evlist_new = newer->evlist; | |
526 | ||
dd464345 JO |
527 | perf_evlist__resort_hists(evlist_old, true); |
528 | perf_evlist__resort_hists(evlist_new, false); | |
863e451f JO |
529 | |
530 | list_for_each_entry(evsel, &evlist_new->entries, node) { | |
531 | struct perf_evsel *evsel_old; | |
532 | ||
533 | evsel_old = evsel_match(evsel, evlist_old); | |
534 | if (!evsel_old) | |
535 | continue; | |
536 | ||
537 | fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n", | |
538 | perf_evsel__name(evsel)); | |
539 | ||
540 | first = false; | |
541 | ||
a06d143e | 542 | hists__process(&evsel_old->hists, &evsel->hists); |
863e451f | 543 | } |
9c443dfd | 544 | |
86a9eee0 ACM |
545 | out_delete: |
546 | for (i = 0; i < 2; ++i) | |
547 | perf_session__delete(session[i]); | |
548 | return ret; | |
4bf9ce1b JO |
549 | #undef older |
550 | #undef newer | |
86a9eee0 ACM |
551 | } |
552 | ||
0422a4fc | 553 | static const char * const diff_usage[] = { |
86a9eee0 | 554 | "perf diff [<options>] [old_file] [new_file]", |
0422a4fc | 555 | NULL, |
86a9eee0 ACM |
556 | }; |
557 | ||
558 | static const struct option options[] = { | |
c0555642 | 559 | OPT_INCR('v', "verbose", &verbose, |
86a9eee0 | 560 | "be more verbose (show symbol address, etc)"), |
34295559 | 561 | OPT_BOOLEAN('M', "displacement", &show_displacement, |
c351c281 | 562 | "Show position displacement relative to baseline"), |
a06d143e JO |
563 | OPT_BOOLEAN('b', "baseline-only", &show_baseline_only, |
564 | "Show only items with match in baseline"), | |
81d5f958 JO |
565 | OPT_CALLBACK('c', "compute", &compute, |
566 | "delta,ratio,wdiff:w1,w2 (default delta)", | |
7aaf6b35 JO |
567 | "Entries differential computation selection", |
568 | setup_compute), | |
61949b21 JO |
569 | OPT_BOOLEAN('p', "period", &show_period, |
570 | "Show period values."), | |
ed279da2 JO |
571 | OPT_BOOLEAN('F', "formula", &show_formula, |
572 | "Show formula."), | |
86a9eee0 ACM |
573 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
574 | "dump raw trace in ASCII"), | |
575 | OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), | |
576 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, | |
577 | "load module symbols - WARNING: use only with -k and LIVE kernel"), | |
c410a338 ACM |
578 | OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
579 | "only consider symbols in these dsos"), | |
580 | OPT_STRING('C', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", | |
581 | "only consider symbols in these comms"), | |
582 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", | |
583 | "only consider these symbols"), | |
c351c281 ACM |
584 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
585 | "sort by key(s): pid, comm, dso, symbol, parent"), | |
586 | OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator", | |
587 | "separator for columns, no spaces will be added between " | |
588 | "columns '.' is reserved."), | |
ec5761ea DA |
589 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", |
590 | "Look for files with symbols relative to this directory"), | |
86a9eee0 ACM |
591 | OPT_END() |
592 | }; | |
593 | ||
1d77822e JO |
594 | static void ui_init(void) |
595 | { | |
ed279da2 JO |
596 | /* |
597 | * Display baseline/delta/ratio/displacement/ | |
598 | * formula/periods columns. | |
599 | */ | |
1240005e | 600 | perf_hpp__column_enable(PERF_HPP__BASELINE); |
7aaf6b35 JO |
601 | |
602 | switch (compute) { | |
603 | case COMPUTE_DELTA: | |
1240005e | 604 | perf_hpp__column_enable(PERF_HPP__DELTA); |
7aaf6b35 JO |
605 | break; |
606 | case COMPUTE_RATIO: | |
1240005e | 607 | perf_hpp__column_enable(PERF_HPP__RATIO); |
81d5f958 JO |
608 | break; |
609 | case COMPUTE_WEIGHTED_DIFF: | |
1240005e | 610 | perf_hpp__column_enable(PERF_HPP__WEIGHTED_DIFF); |
7aaf6b35 JO |
611 | break; |
612 | default: | |
613 | BUG_ON(1); | |
614 | }; | |
1d77822e JO |
615 | |
616 | if (show_displacement) | |
1240005e | 617 | perf_hpp__column_enable(PERF_HPP__DISPL); |
61949b21 | 618 | |
ed279da2 | 619 | if (show_formula) |
1240005e | 620 | perf_hpp__column_enable(PERF_HPP__FORMULA); |
ed279da2 | 621 | |
61949b21 | 622 | if (show_period) { |
1240005e JO |
623 | perf_hpp__column_enable(PERF_HPP__PERIOD); |
624 | perf_hpp__column_enable(PERF_HPP__PERIOD_BASELINE); | |
61949b21 | 625 | } |
1d77822e JO |
626 | } |
627 | ||
1d037ca1 | 628 | int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused) |
86a9eee0 | 629 | { |
604c5c92 | 630 | sort_order = diff__default_sort_order; |
86a9eee0 ACM |
631 | argc = parse_options(argc, argv, options, diff_usage, 0); |
632 | if (argc) { | |
633 | if (argc > 2) | |
634 | usage_with_options(diff_usage, options); | |
635 | if (argc == 2) { | |
636 | input_old = argv[0]; | |
637 | input_new = argv[1]; | |
638 | } else | |
639 | input_new = argv[0]; | |
a1645ce1 ZY |
640 | } else if (symbol_conf.default_guest_vmlinux_name || |
641 | symbol_conf.default_guest_kallsyms) { | |
642 | input_old = "perf.data.host"; | |
643 | input_new = "perf.data.guest"; | |
86a9eee0 ACM |
644 | } |
645 | ||
c351c281 | 646 | symbol_conf.exclude_other = false; |
655000e7 ACM |
647 | if (symbol__init() < 0) |
648 | return -1; | |
649 | ||
1d77822e JO |
650 | ui_init(); |
651 | ||
655000e7 | 652 | setup_sorting(diff_usage, options); |
86a9eee0 | 653 | setup_pager(); |
c351c281 ACM |
654 | |
655 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", NULL); | |
656 | sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", NULL); | |
657 | sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", NULL); | |
658 | ||
86a9eee0 ACM |
659 | return __cmd_diff(); |
660 | } |