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