Commit | Line | Data |
---|---|---|
bf9e1876 IM |
1 | /* |
2 | * builtin-report.c | |
3 | * | |
4 | * Builtin report command: Analyze the perf.data input file, | |
5 | * look up and read DSOs and symbol information and display | |
6 | * a histogram of results, along various sorting keys. | |
7 | */ | |
16f762a2 | 8 | #include "builtin.h" |
53cb8bc2 | 9 | |
bf9e1876 | 10 | #include "util/util.h" |
00c7e1f1 | 11 | #include "util/cache.h" |
bf9e1876 | 12 | |
78f7defe | 13 | #include "util/annotate.h" |
8fc0321f | 14 | #include "util/color.h" |
5da50258 | 15 | #include <linux/list.h> |
43cbcd8a | 16 | #include <linux/rbtree.h> |
a2928c42 | 17 | #include "util/symbol.h" |
f55c5552 | 18 | #include "util/callchain.h" |
25903407 | 19 | #include "util/strlist.h" |
8d513270 | 20 | #include "util/values.h" |
8fa66bdc | 21 | |
53cb8bc2 | 22 | #include "perf.h" |
8f28827a | 23 | #include "util/debug.h" |
e248de33 ACM |
24 | #include "util/evlist.h" |
25 | #include "util/evsel.h" | |
7c6a1c65 | 26 | #include "util/header.h" |
94c744b6 | 27 | #include "util/session.h" |
45694aa7 | 28 | #include "util/tool.h" |
53cb8bc2 IM |
29 | |
30 | #include "util/parse-options.h" | |
31 | #include "util/parse-events.h" | |
32 | ||
6baa0a5a | 33 | #include "util/thread.h" |
dd68ada2 | 34 | #include "util/sort.h" |
3d1d07ec | 35 | #include "util/hist.h" |
f5fc1412 | 36 | #include "util/data.h" |
68e94f4e | 37 | #include "arch/common.h" |
6baa0a5a | 38 | |
fc67297b | 39 | #include <dlfcn.h> |
5d67be97 AB |
40 | #include <linux/bitmap.h> |
41 | ||
28b21393 | 42 | struct report { |
45694aa7 | 43 | struct perf_tool tool; |
d20deb64 | 44 | struct perf_session *session; |
c31a9457 | 45 | bool force, use_tui, use_gtk, use_stdio; |
fa372aae ACM |
46 | bool hide_unresolved; |
47 | bool dont_use_callchains; | |
48 | bool show_full_info; | |
49 | bool show_threads; | |
50 | bool inverted_callchain; | |
f4f7e28d | 51 | bool mem_mode; |
5cfe2c82 JO |
52 | bool header; |
53 | bool header_only; | |
91e95617 | 54 | int max_stack; |
fa372aae ACM |
55 | struct perf_read_values show_threads_values; |
56 | const char *pretty_printing_style; | |
fa372aae | 57 | const char *cpu_list; |
b14ffaca | 58 | const char *symbol_filter_str; |
064f1981 | 59 | float min_percent; |
58c311da | 60 | u64 nr_entries; |
fa372aae | 61 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); |
d20deb64 | 62 | }; |
5d67be97 | 63 | |
28b21393 | 64 | static int report__config(const char *var, const char *value, void *cb) |
00c7e1f1 NK |
65 | { |
66 | if (!strcmp(var, "report.group")) { | |
67 | symbol_conf.event_group = perf_config_bool(var, value); | |
68 | return 0; | |
69 | } | |
eec574e6 | 70 | if (!strcmp(var, "report.percent-limit")) { |
28b21393 | 71 | struct report *rep = cb; |
eec574e6 NK |
72 | rep->min_percent = strtof(value, NULL); |
73 | return 0; | |
74 | } | |
8d8e645c NK |
75 | if (!strcmp(var, "report.children")) { |
76 | symbol_conf.cumulate_callchain = perf_config_bool(var, value); | |
77 | return 0; | |
78 | } | |
00c7e1f1 NK |
79 | |
80 | return perf_default_config(var, value, cb); | |
81 | } | |
82 | ||
9d3c02d7 | 83 | static void report__inc_stats(struct report *rep, struct hist_entry *he) |
58c311da NK |
84 | { |
85 | /* | |
9d3c02d7 NK |
86 | * The @he is either of a newly created one or an existing one |
87 | * merging current sample. We only want to count a new one so | |
88 | * checking ->nr_events being 1. | |
58c311da | 89 | */ |
9d3c02d7 NK |
90 | if (he->stat.nr_events == 1) |
91 | rep->nr_entries++; | |
92 | } | |
93 | ||
94 | static int hist_iter__report_callback(struct hist_entry_iter *iter, | |
95 | struct addr_location *al, bool single, | |
96 | void *arg) | |
97 | { | |
98 | int err = 0; | |
99 | struct report *rep = arg; | |
100 | struct hist_entry *he = iter->he; | |
101 | struct perf_evsel *evsel = iter->evsel; | |
102 | struct mem_info *mi; | |
103 | struct branch_info *bi; | |
104 | ||
105 | report__inc_stats(rep, he); | |
106 | ||
107 | if (!ui__has_annotation()) | |
108 | return 0; | |
109 | ||
110 | if (sort__mode == SORT_MODE__BRANCH) { | |
111 | bi = he->branch_info; | |
112 | err = addr_map_symbol__inc_samples(&bi->from, evsel->idx); | |
113 | if (err) | |
114 | goto out; | |
115 | ||
116 | err = addr_map_symbol__inc_samples(&bi->to, evsel->idx); | |
117 | ||
118 | } else if (rep->mem_mode) { | |
119 | mi = he->mem_info; | |
120 | err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx); | |
121 | if (err) | |
122 | goto out; | |
123 | ||
124 | err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); | |
125 | ||
126 | } else if (symbol_conf.cumulate_callchain) { | |
127 | if (single) | |
128 | err = hist_entry__inc_addr_samples(he, evsel->idx, | |
129 | al->addr); | |
130 | } else { | |
131 | err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); | |
132 | } | |
133 | ||
134 | out: | |
135 | return err; | |
f4f7e28d SE |
136 | } |
137 | ||
45694aa7 | 138 | static int process_sample_event(struct perf_tool *tool, |
d20deb64 | 139 | union perf_event *event, |
8115d60c | 140 | struct perf_sample *sample, |
9e69c210 | 141 | struct perf_evsel *evsel, |
743eb868 | 142 | struct machine *machine) |
75051724 | 143 | { |
28b21393 | 144 | struct report *rep = container_of(tool, struct report, tool); |
1ed091c4 | 145 | struct addr_location al; |
69bcb019 NK |
146 | struct hist_entry_iter iter = { |
147 | .hide_unresolved = rep->hide_unresolved, | |
9d3c02d7 | 148 | .add_entry_cb = hist_iter__report_callback, |
69bcb019 | 149 | }; |
27a0dcb7 | 150 | int ret; |
180f95e2 | 151 | |
e44baa3e | 152 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { |
a4210141 NK |
153 | pr_debug("problem processing %d event, skipping it.\n", |
154 | event->header.type); | |
75051724 IM |
155 | return -1; |
156 | } | |
e7fb08b1 | 157 | |
2c86c7ca | 158 | if (rep->hide_unresolved && al.sym == NULL) |
ec218fc4 | 159 | return 0; |
7bec7a91 | 160 | |
fa372aae | 161 | if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) |
5d67be97 AB |
162 | return 0; |
163 | ||
69bcb019 NK |
164 | if (sort__mode == SORT_MODE__BRANCH) |
165 | iter.ops = &hist_iter_branch; | |
166 | else if (rep->mem_mode) | |
167 | iter.ops = &hist_iter_mem; | |
7a13aa28 NK |
168 | else if (symbol_conf.cumulate_callchain) |
169 | iter.ops = &hist_iter_cumulative; | |
69bcb019 NK |
170 | else |
171 | iter.ops = &hist_iter_normal; | |
172 | ||
173 | if (al.map != NULL) | |
174 | al.map->dso->hit = 1; | |
175 | ||
9d3c02d7 NK |
176 | ret = hist_entry_iter__add(&iter, &al, evsel, sample, rep->max_stack, |
177 | rep); | |
69bcb019 NK |
178 | if (ret < 0) |
179 | pr_debug("problem adding hist entry, skipping event\n"); | |
ec80fde7 | 180 | |
27a0dcb7 | 181 | return ret; |
75051724 | 182 | } |
3502973d | 183 | |
45694aa7 | 184 | static int process_read_event(struct perf_tool *tool, |
d20deb64 | 185 | union perf_event *event, |
1d037ca1 | 186 | struct perf_sample *sample __maybe_unused, |
743eb868 | 187 | struct perf_evsel *evsel, |
1d037ca1 | 188 | struct machine *machine __maybe_unused) |
e9ea2fde | 189 | { |
28b21393 | 190 | struct report *rep = container_of(tool, struct report, tool); |
743eb868 | 191 | |
fa372aae | 192 | if (rep->show_threads) { |
7289f83c | 193 | const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; |
fa372aae | 194 | perf_read_values_add_value(&rep->show_threads_values, |
8d513270 BG |
195 | event->read.pid, event->read.tid, |
196 | event->read.id, | |
197 | name, | |
198 | event->read.value); | |
199 | } | |
200 | ||
9486aa38 | 201 | dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid, |
7289f83c | 202 | evsel ? perf_evsel__name(evsel) : "FAIL", |
62daacb5 | 203 | event->read.value); |
e9ea2fde PZ |
204 | |
205 | return 0; | |
206 | } | |
207 | ||
300aa941 | 208 | /* For pipe mode, sample_type is not currently set */ |
28b21393 | 209 | static int report__setup_sample_type(struct report *rep) |
d80d338d | 210 | { |
c824c433 ACM |
211 | struct perf_session *session = rep->session; |
212 | u64 sample_type = perf_evlist__combined_sample_type(session->evlist); | |
213 | bool is_pipe = perf_data_file__is_pipe(session->file); | |
d20deb64 | 214 | |
cc9784bd | 215 | if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { |
91b4eaea | 216 | if (sort__has_parent) { |
3780f488 | 217 | ui__error("Selected --sort parent, but no " |
00894ce9 ACM |
218 | "callchain data. Did you call " |
219 | "'perf record' without -g?\n"); | |
d549c769 | 220 | return -EINVAL; |
91b4eaea | 221 | } |
d599db3f | 222 | if (symbol_conf.use_callchain) { |
3780f488 | 223 | ui__error("Selected -g but no callchain data. Did " |
00894ce9 | 224 | "you call 'perf record' without -g?\n"); |
016e92fb | 225 | return -1; |
91b4eaea | 226 | } |
fa372aae ACM |
227 | } else if (!rep->dont_use_callchains && |
228 | callchain_param.mode != CHAIN_NONE && | |
b9a63b9b | 229 | !symbol_conf.use_callchain) { |
d599db3f | 230 | symbol_conf.use_callchain = true; |
16537f13 | 231 | if (callchain_register_param(&callchain_param) < 0) { |
3780f488 | 232 | ui__error("Can't register callchain params.\n"); |
d549c769 | 233 | return -EINVAL; |
b1a88349 | 234 | } |
f5970550 PZ |
235 | } |
236 | ||
793aaaab NK |
237 | if (symbol_conf.cumulate_callchain) { |
238 | /* Silently ignore if callchain is missing */ | |
239 | if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { | |
240 | symbol_conf.cumulate_callchain = false; | |
241 | perf_hpp__cancel_cumulate(); | |
242 | } | |
243 | } | |
244 | ||
55369fc1 | 245 | if (sort__mode == SORT_MODE__BRANCH) { |
cc9784bd | 246 | if (!is_pipe && |
7f3be652 | 247 | !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { |
3780f488 NK |
248 | ui__error("Selected -b but no branch data. " |
249 | "Did you call perf record without -b?\n"); | |
b50311dc RAV |
250 | return -1; |
251 | } | |
252 | } | |
253 | ||
016e92fb FW |
254 | return 0; |
255 | } | |
6142f9ec | 256 | |
1d037ca1 | 257 | static void sig_handler(int sig __maybe_unused) |
46656ac7 TZ |
258 | { |
259 | session_done = 1; | |
260 | } | |
261 | ||
28b21393 | 262 | static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, |
c82ee828 ACM |
263 | const char *evname, FILE *fp) |
264 | { | |
265 | size_t ret; | |
266 | char unit; | |
c824c433 ACM |
267 | unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; |
268 | u64 nr_events = hists->stats.total_period; | |
269 | struct perf_evsel *evsel = hists_to_evsel(hists); | |
717e263f NK |
270 | char buf[512]; |
271 | size_t size = sizeof(buf); | |
272 | ||
f2148330 NK |
273 | if (symbol_conf.filter_relative) { |
274 | nr_samples = hists->stats.nr_non_filtered_samples; | |
275 | nr_events = hists->stats.total_non_filtered_period; | |
276 | } | |
277 | ||
759ff497 | 278 | if (perf_evsel__is_group_event(evsel)) { |
717e263f NK |
279 | struct perf_evsel *pos; |
280 | ||
281 | perf_evsel__group_desc(evsel, buf, size); | |
282 | evname = buf; | |
283 | ||
284 | for_each_group_member(pos, evsel) { | |
f2148330 NK |
285 | if (symbol_conf.filter_relative) { |
286 | nr_samples += pos->hists.stats.nr_non_filtered_samples; | |
287 | nr_events += pos->hists.stats.total_non_filtered_period; | |
288 | } else { | |
289 | nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE]; | |
290 | nr_events += pos->hists.stats.total_period; | |
291 | } | |
717e263f NK |
292 | } |
293 | } | |
c82ee828 | 294 | |
cc686280 AR |
295 | nr_samples = convert_unit(nr_samples, &unit); |
296 | ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); | |
c82ee828 | 297 | if (evname != NULL) |
cc686280 AR |
298 | ret += fprintf(fp, " of event '%s'", evname); |
299 | ||
f4f7e28d SE |
300 | if (rep->mem_mode) { |
301 | ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); | |
302 | ret += fprintf(fp, "\n# Sort order : %s", sort_order); | |
303 | } else | |
304 | ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); | |
c82ee828 ACM |
305 | return ret + fprintf(fp, "\n#\n"); |
306 | } | |
307 | ||
7f0030b2 | 308 | static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, |
28b21393 | 309 | struct report *rep, |
7f0030b2 | 310 | const char *help) |
d67f088e | 311 | { |
e248de33 | 312 | struct perf_evsel *pos; |
d67f088e | 313 | |
0050f7aa | 314 | evlist__for_each(evlist, pos) { |
e248de33 | 315 | struct hists *hists = &pos->hists; |
7289f83c | 316 | const char *evname = perf_evsel__name(pos); |
d67f088e | 317 | |
fc24d7c2 NK |
318 | if (symbol_conf.event_group && |
319 | !perf_evsel__is_group_leader(pos)) | |
320 | continue; | |
321 | ||
28b21393 | 322 | hists__fprintf_nr_sample_events(hists, rep, evname, stdout); |
064f1981 | 323 | hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout); |
d67f088e | 324 | fprintf(stdout, "\n\n"); |
d67f088e ACM |
325 | } |
326 | ||
327 | if (sort_order == default_sort_order && | |
328 | parent_pattern == default_parent_pattern) { | |
329 | fprintf(stdout, "#\n# (%s)\n#\n", help); | |
330 | ||
fa372aae ACM |
331 | if (rep->show_threads) { |
332 | bool style = !strcmp(rep->pretty_printing_style, "raw"); | |
333 | perf_read_values_display(stdout, &rep->show_threads_values, | |
d67f088e | 334 | style); |
fa372aae | 335 | perf_read_values_destroy(&rep->show_threads_values); |
d67f088e ACM |
336 | } |
337 | } | |
338 | ||
339 | return 0; | |
340 | } | |
341 | ||
fad2918e ACM |
342 | static void report__warn_kptr_restrict(const struct report *rep) |
343 | { | |
344 | struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION]; | |
345 | struct kmap *kernel_kmap = map__kmap(kernel_map); | |
346 | ||
347 | if (kernel_map == NULL || | |
348 | (kernel_map->dso->hit && | |
349 | (kernel_kmap->ref_reloc_sym == NULL || | |
350 | kernel_kmap->ref_reloc_sym->addr == 0))) { | |
351 | const char *desc = | |
352 | "As no suitable kallsyms nor vmlinux was found, kernel samples\n" | |
353 | "can't be resolved."; | |
354 | ||
355 | if (kernel_map) { | |
356 | const struct dso *kdso = kernel_map->dso; | |
357 | if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) { | |
358 | desc = "If some relocation was applied (e.g. " | |
359 | "kexec) symbols may be misresolved."; | |
360 | } | |
361 | } | |
362 | ||
363 | ui__warning( | |
364 | "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" | |
365 | "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" | |
366 | "Samples in kernel modules can't be resolved as well.\n\n", | |
367 | desc); | |
368 | } | |
369 | } | |
370 | ||
8362951b ACM |
371 | static int report__gtk_browse_hists(struct report *rep, const char *help) |
372 | { | |
373 | int (*hist_browser)(struct perf_evlist *evlist, const char *help, | |
374 | struct hist_browser_timer *timer, float min_pcnt); | |
375 | ||
376 | hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists"); | |
377 | ||
378 | if (hist_browser == NULL) { | |
379 | ui__error("GTK browser not found!\n"); | |
380 | return -1; | |
381 | } | |
382 | ||
383 | return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); | |
384 | } | |
385 | ||
386 | static int report__browse_hists(struct report *rep) | |
387 | { | |
388 | int ret; | |
389 | struct perf_session *session = rep->session; | |
390 | struct perf_evlist *evlist = session->evlist; | |
391 | const char *help = "For a higher level overview, try: perf report --sort comm,dso"; | |
392 | ||
393 | switch (use_browser) { | |
394 | case 1: | |
395 | ret = perf_evlist__tui_browse_hists(evlist, help, NULL, | |
396 | rep->min_percent, | |
397 | &session->header.env); | |
398 | /* | |
399 | * Usually "ret" is the last pressed key, and we only | |
400 | * care if the key notifies us to switch data file. | |
401 | */ | |
402 | if (ret != K_SWITCH_INPUT_DATA) | |
403 | ret = 0; | |
404 | break; | |
405 | case 2: | |
406 | ret = report__gtk_browse_hists(rep, help); | |
407 | break; | |
408 | default: | |
409 | ret = perf_evlist__tty_browse_hists(evlist, rep, help); | |
410 | break; | |
411 | } | |
412 | ||
413 | return ret; | |
414 | } | |
415 | ||
58c311da | 416 | static void report__collapse_hists(struct report *rep) |
f6d8b057 ACM |
417 | { |
418 | struct ui_progress prog; | |
419 | struct perf_evsel *pos; | |
f6d8b057 | 420 | |
58c311da | 421 | ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); |
f6d8b057 | 422 | |
0050f7aa | 423 | evlist__for_each(rep->session->evlist, pos) { |
f6d8b057 ACM |
424 | struct hists *hists = &pos->hists; |
425 | ||
426 | if (pos->idx == 0) | |
427 | hists->symbol_filter_str = rep->symbol_filter_str; | |
428 | ||
429 | hists__collapse_resort(hists, &prog); | |
f6d8b057 ACM |
430 | |
431 | /* Non-group events are considered as leader */ | |
432 | if (symbol_conf.event_group && | |
433 | !perf_evsel__is_group_leader(pos)) { | |
434 | struct hists *leader_hists = &pos->leader->hists; | |
435 | ||
436 | hists__match(leader_hists, hists); | |
437 | hists__link(leader_hists, hists); | |
438 | } | |
439 | } | |
440 | ||
441 | ui_progress__finish(); | |
f6d8b057 ACM |
442 | } |
443 | ||
28b21393 | 444 | static int __cmd_report(struct report *rep) |
016e92fb | 445 | { |
f6d8b057 | 446 | int ret; |
993ac88d | 447 | struct perf_session *session = rep->session; |
e248de33 | 448 | struct perf_evsel *pos; |
cc9784bd | 449 | struct perf_data_file *file = session->file; |
8fa66bdc | 450 | |
46656ac7 TZ |
451 | signal(SIGINT, sig_handler); |
452 | ||
fa372aae ACM |
453 | if (rep->cpu_list) { |
454 | ret = perf_session__cpu_bitmap(session, rep->cpu_list, | |
455 | rep->cpu_bitmap); | |
5d67be97 | 456 | if (ret) |
d4ae0a6f | 457 | return ret; |
5d67be97 AB |
458 | } |
459 | ||
fa372aae ACM |
460 | if (rep->show_threads) |
461 | perf_read_values_init(&rep->show_threads_values); | |
f5970550 | 462 | |
28b21393 | 463 | ret = report__setup_sample_type(rep); |
d549c769 | 464 | if (ret) |
d4ae0a6f | 465 | return ret; |
d549c769 | 466 | |
45694aa7 | 467 | ret = perf_session__process_events(session, &rep->tool); |
016e92fb | 468 | if (ret) |
d4ae0a6f | 469 | return ret; |
97b07b69 | 470 | |
fad2918e | 471 | report__warn_kptr_restrict(rep); |
ec80fde7 | 472 | |
150e465a NK |
473 | if (use_browser == 0) { |
474 | if (verbose > 3) | |
475 | perf_session__fprintf(session, stdout); | |
9ac99545 | 476 | |
150e465a NK |
477 | if (verbose > 2) |
478 | perf_session__fprintf_dsos(session, stdout); | |
16f762a2 | 479 | |
150e465a NK |
480 | if (dump_trace) { |
481 | perf_session__fprintf_nr_events(session, stdout); | |
482 | return 0; | |
483 | } | |
71ad0f5e JO |
484 | } |
485 | ||
58c311da | 486 | report__collapse_hists(rep); |
e248de33 | 487 | |
33e940a2 ACM |
488 | if (session_done()) |
489 | return 0; | |
490 | ||
58c311da | 491 | if (rep->nr_entries == 0) { |
cc9784bd | 492 | ui__error("The %s file has no samples!\n", file->path); |
d4ae0a6f | 493 | return 0; |
cbbc79a5 EM |
494 | } |
495 | ||
0050f7aa | 496 | evlist__for_each(session->evlist, pos) |
6e1f601a NK |
497 | hists__output_resort(&pos->hists); |
498 | ||
8362951b | 499 | return report__browse_hists(rep); |
8fa66bdc ACM |
500 | } |
501 | ||
4eb3e478 | 502 | static int |
cff6bb46 | 503 | report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) |
4eb3e478 | 504 | { |
28b21393 | 505 | struct report *rep = (struct report *)opt->value; |
c20ab37e | 506 | |
b9a63b9b ACM |
507 | /* |
508 | * --no-call-graph | |
509 | */ | |
510 | if (unset) { | |
fa372aae | 511 | rep->dont_use_callchains = true; |
b9a63b9b ACM |
512 | return 0; |
513 | } | |
514 | ||
cff6bb46 | 515 | return parse_callchain_report_opt(arg); |
4eb3e478 FW |
516 | } |
517 | ||
b21484f1 GP |
518 | int |
519 | report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, | |
520 | const char *arg, int unset __maybe_unused) | |
521 | { | |
522 | if (arg) { | |
523 | int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); | |
524 | if (err) { | |
525 | char buf[BUFSIZ]; | |
526 | regerror(err, &ignore_callees_regex, buf, sizeof(buf)); | |
527 | pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); | |
528 | return -1; | |
529 | } | |
530 | have_ignore_callees = 1; | |
531 | } | |
532 | ||
533 | return 0; | |
534 | } | |
535 | ||
993ac88d | 536 | static int |
1d037ca1 IT |
537 | parse_branch_mode(const struct option *opt __maybe_unused, |
538 | const char *str __maybe_unused, int unset) | |
993ac88d | 539 | { |
55369fc1 NK |
540 | int *branch_mode = opt->value; |
541 | ||
542 | *branch_mode = !unset; | |
993ac88d SE |
543 | return 0; |
544 | } | |
545 | ||
064f1981 NK |
546 | static int |
547 | parse_percent_limit(const struct option *opt, const char *str, | |
548 | int unset __maybe_unused) | |
549 | { | |
28b21393 | 550 | struct report *rep = opt->value; |
064f1981 NK |
551 | |
552 | rep->min_percent = strtof(str, NULL); | |
553 | return 0; | |
554 | } | |
555 | ||
1d037ca1 | 556 | int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) |
d20deb64 | 557 | { |
993ac88d | 558 | struct perf_session *session; |
efad1415 | 559 | struct stat st; |
993ac88d | 560 | bool has_br_stack = false; |
55369fc1 | 561 | int branch_mode = -1; |
993ac88d | 562 | int ret = -1; |
d20deb64 ACM |
563 | char callchain_default_opt[] = "fractal,0.5,callee"; |
564 | const char * const report_usage[] = { | |
fb2baceb | 565 | "perf report [<options>]", |
d20deb64 ACM |
566 | NULL |
567 | }; | |
28b21393 | 568 | struct report report = { |
45694aa7 | 569 | .tool = { |
d20deb64 ACM |
570 | .sample = process_sample_event, |
571 | .mmap = perf_event__process_mmap, | |
5c5e854b | 572 | .mmap2 = perf_event__process_mmap2, |
d20deb64 | 573 | .comm = perf_event__process_comm, |
f62d3f0f ACM |
574 | .exit = perf_event__process_exit, |
575 | .fork = perf_event__process_fork, | |
d20deb64 ACM |
576 | .lost = perf_event__process_lost, |
577 | .read = process_read_event, | |
578 | .attr = perf_event__process_attr, | |
d20deb64 ACM |
579 | .tracing_data = perf_event__process_tracing_data, |
580 | .build_id = perf_event__process_build_id, | |
581 | .ordered_samples = true, | |
582 | .ordering_requires_timestamps = true, | |
583 | }, | |
91e95617 | 584 | .max_stack = PERF_MAX_STACK_DEPTH, |
d20deb64 ACM |
585 | .pretty_printing_style = "normal", |
586 | }; | |
587 | const struct option options[] = { | |
70cb4e96 | 588 | OPT_STRING('i', "input", &input_name, "file", |
53cb8bc2 | 589 | "input file name"), |
c0555642 | 590 | OPT_INCR('v', "verbose", &verbose, |
815e777f | 591 | "be more verbose (show symbol address, etc)"), |
97b07b69 IM |
592 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
593 | "dump raw trace in ASCII"), | |
b32d133a ACM |
594 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
595 | "file", "vmlinux pathname"), | |
b226a5a7 DA |
596 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, |
597 | "file", "kallsyms pathname"), | |
fa372aae | 598 | OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"), |
b32d133a | 599 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, |
42976487 | 600 | "load module symbols - WARNING: use only with -k and LIVE kernel"), |
d599db3f | 601 | OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, |
e3d7e183 | 602 | "Show a column with the number of samples"), |
fa372aae | 603 | OPT_BOOLEAN('T', "threads", &report.show_threads, |
8d513270 | 604 | "Show per-thread event counters"), |
fa372aae | 605 | OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", |
9f866697 | 606 | "pretty printing style key: normal raw"), |
fa372aae | 607 | OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), |
c31a9457 | 608 | OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), |
fa372aae ACM |
609 | OPT_BOOLEAN(0, "stdio", &report.use_stdio, |
610 | "Use the stdio interface"), | |
5cfe2c82 JO |
611 | OPT_BOOLEAN(0, "header", &report.header, "Show data header."), |
612 | OPT_BOOLEAN(0, "header-only", &report.header_only, | |
613 | "Show only data header."), | |
63299f05 | 614 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
a2ce067e NK |
615 | "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." |
616 | " Please refer the man page for the complete list."), | |
a7d945bc NK |
617 | OPT_STRING('F', "fields", &field_order, "key[,keys...]", |
618 | "output field(s): overhead, period, sample plus all of sort keys"), | |
a1645ce1 ZY |
619 | OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, |
620 | "Show sample percentage for different cpu modes"), | |
b25bcf2f IM |
621 | OPT_STRING('p', "parent", &parent_pattern, "regex", |
622 | "regex filter to identify parent, see: '--sort parent'"), | |
d599db3f | 623 | OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, |
b8e6d829 | 624 | "Only display entries with parent-match"), |
6581f6e3 | 625 | OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order", |
99571ab3 | 626 | "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address). " |
cff6bb46 | 627 | "Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt), |
793aaaab NK |
628 | OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, |
629 | "Accumulate callchains of children and show total overhead as well"), | |
91e95617 WL |
630 | OPT_INTEGER(0, "max-stack", &report.max_stack, |
631 | "Set the maximum stack depth when parsing the callchain, " | |
632 | "anything beyond the specified depth will be ignored. " | |
633 | "Default: " __stringify(PERF_MAX_STACK_DEPTH)), | |
fa372aae ACM |
634 | OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, |
635 | "alias for inverted call graph"), | |
b21484f1 GP |
636 | OPT_CALLBACK(0, "ignore-callees", NULL, "regex", |
637 | "ignore callees of these functions in call graphs", | |
638 | report_parse_ignore_callees_opt), | |
655000e7 | 639 | OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
25903407 | 640 | "only consider symbols in these dsos"), |
c8e66720 | 641 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
cc8b88b1 | 642 | "only consider symbols in these comms"), |
655000e7 | 643 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
7bec7a91 | 644 | "only consider these symbols"), |
b14ffaca NK |
645 | OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", |
646 | "only show symbols that (partially) match with this filter"), | |
655000e7 | 647 | OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, |
52d422de ACM |
648 | "width[,width...]", |
649 | "don't try to adjust column width, use these fixed values"), | |
c410a338 | 650 | OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator", |
52d422de ACM |
651 | "separator for columns, no spaces will be added between " |
652 | "columns '.' is reserved."), | |
fa372aae | 653 | OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved, |
71289be7 | 654 | "Only display entries resolved to a symbol"), |
ec5761ea DA |
655 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", |
656 | "Look for files with symbols relative to this directory"), | |
c8e66720 | 657 | OPT_STRING('C', "cpu", &report.cpu_list, "cpu", |
fa372aae ACM |
658 | "list of cpus to profile"), |
659 | OPT_BOOLEAN('I', "show-info", &report.show_full_info, | |
fbe96f29 | 660 | "Display extended information about perf.data file"), |
64c6f0c7 ACM |
661 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, |
662 | "Interleave source code with assembly code (default)"), | |
663 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, | |
664 | "Display raw encoding of assembly instructions (default)"), | |
f69b64f7 AK |
665 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", |
666 | "Specify disassembler style (e.g. -M intel for intel syntax)"), | |
3f2728bd ACM |
667 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, |
668 | "Show a column with the sum of periods"), | |
01d14f16 NK |
669 | OPT_BOOLEAN(0, "group", &symbol_conf.event_group, |
670 | "Show event group information together"), | |
55369fc1 | 671 | OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", |
993ac88d | 672 | "use branch records for histogram filling", parse_branch_mode), |
7a4ec938 MB |
673 | OPT_STRING(0, "objdump", &objdump_path, "path", |
674 | "objdump binary to use for disassembly and annotations"), | |
328ccdac NK |
675 | OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, |
676 | "Disable symbol demangling"), | |
f4f7e28d | 677 | OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), |
064f1981 NK |
678 | OPT_CALLBACK(0, "percent-limit", &report, "percent", |
679 | "Don't show entries under that percent", parse_percent_limit), | |
f2148330 | 680 | OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", |
33db4568 | 681 | "how to display percentage of filtered entries", parse_filter_percentage), |
53cb8bc2 | 682 | OPT_END() |
d20deb64 | 683 | }; |
f5fc1412 JO |
684 | struct perf_data_file file = { |
685 | .mode = PERF_DATA_MODE_READ, | |
686 | }; | |
53cb8bc2 | 687 | |
28b21393 | 688 | perf_config(report__config, &report); |
00c7e1f1 | 689 | |
655000e7 ACM |
690 | argc = parse_options(argc, argv, options, report_usage, 0); |
691 | ||
fa372aae | 692 | if (report.use_stdio) |
8b9e74eb | 693 | use_browser = 0; |
fa372aae | 694 | else if (report.use_tui) |
8b9e74eb | 695 | use_browser = 1; |
c31a9457 PE |
696 | else if (report.use_gtk) |
697 | use_browser = 2; | |
8b9e74eb | 698 | |
fa372aae | 699 | if (report.inverted_callchain) |
d797fdc5 SL |
700 | callchain_param.order = ORDER_CALLER; |
701 | ||
70cb4e96 | 702 | if (!input_name || !strlen(input_name)) { |
efad1415 | 703 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) |
70cb4e96 | 704 | input_name = "-"; |
efad1415 | 705 | else |
70cb4e96 | 706 | input_name = "perf.data"; |
efad1415 | 707 | } |
ad0de097 | 708 | |
f5fc1412 JO |
709 | file.path = input_name; |
710 | file.force = report.force; | |
711 | ||
ad0de097 | 712 | repeat: |
f5fc1412 | 713 | session = perf_session__new(&file, false, &report.tool); |
993ac88d SE |
714 | if (session == NULL) |
715 | return -ENOMEM; | |
716 | ||
717 | report.session = session; | |
718 | ||
719 | has_br_stack = perf_header__has_feat(&session->header, | |
720 | HEADER_BRANCH_STACK); | |
efad1415 | 721 | |
793aaaab | 722 | if (branch_mode == -1 && has_br_stack) { |
55369fc1 | 723 | sort__mode = SORT_MODE__BRANCH; |
793aaaab NK |
724 | symbol_conf.cumulate_callchain = false; |
725 | } | |
993ac88d | 726 | |
f4f7e28d | 727 | if (report.mem_mode) { |
55369fc1 | 728 | if (sort__mode == SORT_MODE__BRANCH) { |
a4210141 | 729 | pr_err("branch and mem mode incompatible\n"); |
f4f7e28d SE |
730 | goto error; |
731 | } | |
afab87b9 | 732 | sort__mode = SORT_MODE__MEMORY; |
793aaaab | 733 | symbol_conf.cumulate_callchain = false; |
f4f7e28d | 734 | } |
a68c2c58 | 735 | |
91aba0a6 | 736 | if (setup_sorting() < 0) { |
a7d945bc NK |
737 | if (sort_order) |
738 | parse_options_usage(report_usage, options, "s", 1); | |
739 | if (field_order) | |
740 | parse_options_usage(sort_order ? NULL : report_usage, | |
741 | options, "F", 1); | |
91aba0a6 NK |
742 | goto error; |
743 | } | |
034a9265 | 744 | |
5cfe2c82 JO |
745 | /* Force tty output for header output. */ |
746 | if (report.header || report.header_only) | |
747 | use_browser = 0; | |
748 | ||
4bceffbc NK |
749 | if (strcmp(input_name, "-") != 0) |
750 | setup_browser(true); | |
22af969e | 751 | else |
4bceffbc | 752 | use_browser = 0; |
4bceffbc | 753 | |
5cfe2c82 JO |
754 | if (report.header || report.header_only) { |
755 | perf_session__fprintf_info(session, stdout, | |
756 | report.show_full_info); | |
757 | if (report.header_only) | |
758 | return 0; | |
759 | } else if (use_browser == 0) { | |
760 | fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", | |
761 | stdout); | |
762 | } | |
763 | ||
ef7b93a1 | 764 | /* |
6692c262 | 765 | * Only in the TUI browser we are doing integrated annotation, |
ef7b93a1 ACM |
766 | * so don't allocate extra space that won't be used in the stdio |
767 | * implementation. | |
768 | */ | |
b9ce0c99 | 769 | if (ui__has_annotation()) { |
78f7defe | 770 | symbol_conf.priv_size = sizeof(struct annotation); |
b8681711 AH |
771 | machines__set_symbol_filter(&session->machines, |
772 | symbol__annotate_init); | |
80d50cae ACM |
773 | /* |
774 | * For searching by name on the "Browse map details". | |
775 | * providing it only in verbose mode not to bloat too | |
776 | * much struct symbol. | |
777 | */ | |
778 | if (verbose) { | |
779 | /* | |
780 | * XXX: Need to provide a less kludgy way to ask for | |
781 | * more space per symbol, the u32 is for the index on | |
782 | * the ui browser. | |
783 | * See symbol__browser_index. | |
784 | */ | |
785 | symbol_conf.priv_size += sizeof(u32); | |
786 | symbol_conf.sort_by_name = true; | |
787 | } | |
788 | } | |
655000e7 | 789 | |
75be6cf4 | 790 | if (symbol__init() < 0) |
993ac88d | 791 | goto error; |
53cb8bc2 | 792 | |
6db6127c NK |
793 | if (argc) { |
794 | /* | |
795 | * Special case: if there's an argument left then assume that | |
796 | * it's a symbol filter: | |
797 | */ | |
798 | if (argc > 1) | |
799 | usage_with_options(report_usage, options); | |
800 | ||
801 | report.symbol_filter_str = argv[0]; | |
802 | } | |
edc52dea | 803 | |
08e71542 | 804 | sort__setup_elide(stdout); |
25903407 | 805 | |
993ac88d | 806 | ret = __cmd_report(&report); |
ad0de097 FT |
807 | if (ret == K_SWITCH_INPUT_DATA) { |
808 | perf_session__delete(session); | |
809 | goto repeat; | |
810 | } else | |
811 | ret = 0; | |
812 | ||
993ac88d SE |
813 | error: |
814 | perf_session__delete(session); | |
815 | return ret; | |
53cb8bc2 | 816 | } |