]>
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 | |
520a2ebc AH |
39 | #include "util/auxtrace.h" |
40 | ||
fc67297b | 41 | #include <dlfcn.h> |
5d67be97 AB |
42 | #include <linux/bitmap.h> |
43 | ||
28b21393 | 44 | struct report { |
45694aa7 | 45 | struct perf_tool tool; |
d20deb64 | 46 | struct perf_session *session; |
c31a9457 | 47 | bool force, use_tui, use_gtk, use_stdio; |
fa372aae ACM |
48 | bool hide_unresolved; |
49 | bool dont_use_callchains; | |
50 | bool show_full_info; | |
51 | bool show_threads; | |
52 | bool inverted_callchain; | |
f4f7e28d | 53 | bool mem_mode; |
5cfe2c82 JO |
54 | bool header; |
55 | bool header_only; | |
98df858e | 56 | bool nonany_branch_mode; |
91e95617 | 57 | int max_stack; |
fa372aae ACM |
58 | struct perf_read_values show_threads_values; |
59 | const char *pretty_printing_style; | |
fa372aae | 60 | const char *cpu_list; |
b14ffaca | 61 | const char *symbol_filter_str; |
064f1981 | 62 | float min_percent; |
58c311da | 63 | u64 nr_entries; |
94786b67 | 64 | u64 queue_size; |
fa372aae | 65 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); |
d20deb64 | 66 | }; |
5d67be97 | 67 | |
28b21393 | 68 | static int report__config(const char *var, const char *value, void *cb) |
00c7e1f1 | 69 | { |
94786b67 JO |
70 | struct report *rep = cb; |
71 | ||
00c7e1f1 NK |
72 | if (!strcmp(var, "report.group")) { |
73 | symbol_conf.event_group = perf_config_bool(var, value); | |
74 | return 0; | |
75 | } | |
eec574e6 | 76 | if (!strcmp(var, "report.percent-limit")) { |
eec574e6 NK |
77 | rep->min_percent = strtof(value, NULL); |
78 | return 0; | |
79 | } | |
8d8e645c NK |
80 | if (!strcmp(var, "report.children")) { |
81 | symbol_conf.cumulate_callchain = perf_config_bool(var, value); | |
82 | return 0; | |
83 | } | |
94786b67 JO |
84 | if (!strcmp(var, "report.queue-size")) { |
85 | rep->queue_size = perf_config_u64(var, value); | |
86 | return 0; | |
87 | } | |
00c7e1f1 NK |
88 | |
89 | return perf_default_config(var, value, cb); | |
90 | } | |
91 | ||
9d3c02d7 NK |
92 | static int hist_iter__report_callback(struct hist_entry_iter *iter, |
93 | struct addr_location *al, bool single, | |
94 | void *arg) | |
95 | { | |
96 | int err = 0; | |
97 | struct report *rep = arg; | |
98 | struct hist_entry *he = iter->he; | |
99 | struct perf_evsel *evsel = iter->evsel; | |
100 | struct mem_info *mi; | |
101 | struct branch_info *bi; | |
102 | ||
9d3c02d7 NK |
103 | if (!ui__has_annotation()) |
104 | return 0; | |
105 | ||
57849998 AK |
106 | hist__account_cycles(iter->sample->branch_stack, al, iter->sample, |
107 | rep->nonany_branch_mode); | |
108 | ||
9d3c02d7 NK |
109 | if (sort__mode == SORT_MODE__BRANCH) { |
110 | bi = he->branch_info; | |
111 | err = addr_map_symbol__inc_samples(&bi->from, evsel->idx); | |
112 | if (err) | |
113 | goto out; | |
114 | ||
115 | err = addr_map_symbol__inc_samples(&bi->to, evsel->idx); | |
116 | ||
117 | } else if (rep->mem_mode) { | |
118 | mi = he->mem_info; | |
119 | err = addr_map_symbol__inc_samples(&mi->daddr, evsel->idx); | |
120 | if (err) | |
121 | goto out; | |
122 | ||
123 | err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); | |
124 | ||
125 | } else if (symbol_conf.cumulate_callchain) { | |
126 | if (single) | |
127 | err = hist_entry__inc_addr_samples(he, evsel->idx, | |
128 | al->addr); | |
129 | } else { | |
130 | err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); | |
131 | } | |
132 | ||
133 | out: | |
134 | return err; | |
f4f7e28d SE |
135 | } |
136 | ||
45694aa7 | 137 | static int process_sample_event(struct perf_tool *tool, |
d20deb64 | 138 | union perf_event *event, |
8115d60c | 139 | struct perf_sample *sample, |
9e69c210 | 140 | struct perf_evsel *evsel, |
743eb868 | 141 | struct machine *machine) |
75051724 | 142 | { |
28b21393 | 143 | struct report *rep = container_of(tool, struct report, tool); |
1ed091c4 | 144 | struct addr_location al; |
69bcb019 | 145 | struct hist_entry_iter iter = { |
063bd936 NK |
146 | .evsel = evsel, |
147 | .sample = sample, | |
148 | .hide_unresolved = rep->hide_unresolved, | |
149 | .add_entry_cb = hist_iter__report_callback, | |
69bcb019 | 150 | }; |
b91fc39f | 151 | int ret = 0; |
180f95e2 | 152 | |
e44baa3e | 153 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { |
a4210141 NK |
154 | pr_debug("problem processing %d event, skipping it.\n", |
155 | event->header.type); | |
75051724 IM |
156 | return -1; |
157 | } | |
e7fb08b1 | 158 | |
2c86c7ca | 159 | if (rep->hide_unresolved && al.sym == NULL) |
b91fc39f | 160 | goto out_put; |
7bec7a91 | 161 | |
fa372aae | 162 | if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) |
b91fc39f | 163 | goto out_put; |
5d67be97 | 164 | |
69bcb019 NK |
165 | if (sort__mode == SORT_MODE__BRANCH) |
166 | iter.ops = &hist_iter_branch; | |
167 | else if (rep->mem_mode) | |
168 | iter.ops = &hist_iter_mem; | |
7a13aa28 NK |
169 | else if (symbol_conf.cumulate_callchain) |
170 | iter.ops = &hist_iter_cumulative; | |
69bcb019 NK |
171 | else |
172 | iter.ops = &hist_iter_normal; | |
173 | ||
174 | if (al.map != NULL) | |
175 | al.map->dso->hit = 1; | |
176 | ||
063bd936 | 177 | ret = hist_entry_iter__add(&iter, &al, rep->max_stack, rep); |
69bcb019 NK |
178 | if (ret < 0) |
179 | pr_debug("problem adding hist entry, skipping event\n"); | |
b91fc39f ACM |
180 | out_put: |
181 | addr_location__put(&al); | |
27a0dcb7 | 182 | return ret; |
75051724 | 183 | } |
3502973d | 184 | |
45694aa7 | 185 | static int process_read_event(struct perf_tool *tool, |
d20deb64 | 186 | union perf_event *event, |
1d037ca1 | 187 | struct perf_sample *sample __maybe_unused, |
743eb868 | 188 | struct perf_evsel *evsel, |
1d037ca1 | 189 | struct machine *machine __maybe_unused) |
e9ea2fde | 190 | { |
28b21393 | 191 | struct report *rep = container_of(tool, struct report, tool); |
743eb868 | 192 | |
fa372aae | 193 | if (rep->show_threads) { |
7289f83c | 194 | const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; |
fa372aae | 195 | perf_read_values_add_value(&rep->show_threads_values, |
8d513270 BG |
196 | event->read.pid, event->read.tid, |
197 | event->read.id, | |
198 | name, | |
199 | event->read.value); | |
200 | } | |
201 | ||
9486aa38 | 202 | dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid, |
7289f83c | 203 | evsel ? perf_evsel__name(evsel) : "FAIL", |
62daacb5 | 204 | event->read.value); |
e9ea2fde PZ |
205 | |
206 | return 0; | |
207 | } | |
208 | ||
300aa941 | 209 | /* For pipe mode, sample_type is not currently set */ |
28b21393 | 210 | static int report__setup_sample_type(struct report *rep) |
d80d338d | 211 | { |
c824c433 ACM |
212 | struct perf_session *session = rep->session; |
213 | u64 sample_type = perf_evlist__combined_sample_type(session->evlist); | |
214 | bool is_pipe = perf_data_file__is_pipe(session->file); | |
d20deb64 | 215 | |
cc9784bd | 216 | if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { |
91b4eaea | 217 | if (sort__has_parent) { |
3780f488 | 218 | ui__error("Selected --sort parent, but no " |
00894ce9 ACM |
219 | "callchain data. Did you call " |
220 | "'perf record' without -g?\n"); | |
d549c769 | 221 | return -EINVAL; |
91b4eaea | 222 | } |
d599db3f | 223 | if (symbol_conf.use_callchain) { |
fa94c36c AK |
224 | ui__error("Selected -g or --branch-history but no " |
225 | "callchain data. Did\n" | |
226 | "you call 'perf record' without -g?\n"); | |
016e92fb | 227 | return -1; |
91b4eaea | 228 | } |
fa372aae ACM |
229 | } else if (!rep->dont_use_callchains && |
230 | callchain_param.mode != CHAIN_NONE && | |
b9a63b9b | 231 | !symbol_conf.use_callchain) { |
d599db3f | 232 | symbol_conf.use_callchain = true; |
16537f13 | 233 | if (callchain_register_param(&callchain_param) < 0) { |
3780f488 | 234 | ui__error("Can't register callchain params.\n"); |
d549c769 | 235 | return -EINVAL; |
b1a88349 | 236 | } |
f5970550 PZ |
237 | } |
238 | ||
793aaaab NK |
239 | if (symbol_conf.cumulate_callchain) { |
240 | /* Silently ignore if callchain is missing */ | |
241 | if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) { | |
242 | symbol_conf.cumulate_callchain = false; | |
243 | perf_hpp__cancel_cumulate(); | |
244 | } | |
245 | } | |
246 | ||
55369fc1 | 247 | if (sort__mode == SORT_MODE__BRANCH) { |
cc9784bd | 248 | if (!is_pipe && |
7f3be652 | 249 | !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { |
3780f488 NK |
250 | ui__error("Selected -b but no branch data. " |
251 | "Did you call perf record without -b?\n"); | |
b50311dc RAV |
252 | return -1; |
253 | } | |
254 | } | |
255 | ||
0cdccac6 NK |
256 | if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { |
257 | if ((sample_type & PERF_SAMPLE_REGS_USER) && | |
258 | (sample_type & PERF_SAMPLE_STACK_USER)) | |
259 | callchain_param.record_mode = CALLCHAIN_DWARF; | |
aad2b21c KL |
260 | else if (sample_type & PERF_SAMPLE_BRANCH_STACK) |
261 | callchain_param.record_mode = CALLCHAIN_LBR; | |
0cdccac6 NK |
262 | else |
263 | callchain_param.record_mode = CALLCHAIN_FP; | |
264 | } | |
98df858e AK |
265 | |
266 | /* ??? handle more cases than just ANY? */ | |
267 | if (!(perf_evlist__combined_branch_type(session->evlist) & | |
268 | PERF_SAMPLE_BRANCH_ANY)) | |
269 | rep->nonany_branch_mode = true; | |
270 | ||
016e92fb FW |
271 | return 0; |
272 | } | |
6142f9ec | 273 | |
1d037ca1 | 274 | static void sig_handler(int sig __maybe_unused) |
46656ac7 TZ |
275 | { |
276 | session_done = 1; | |
277 | } | |
278 | ||
28b21393 | 279 | static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, |
c82ee828 ACM |
280 | const char *evname, FILE *fp) |
281 | { | |
282 | size_t ret; | |
283 | char unit; | |
c824c433 ACM |
284 | unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; |
285 | u64 nr_events = hists->stats.total_period; | |
286 | struct perf_evsel *evsel = hists_to_evsel(hists); | |
717e263f NK |
287 | char buf[512]; |
288 | size_t size = sizeof(buf); | |
289 | ||
f2148330 NK |
290 | if (symbol_conf.filter_relative) { |
291 | nr_samples = hists->stats.nr_non_filtered_samples; | |
292 | nr_events = hists->stats.total_non_filtered_period; | |
293 | } | |
294 | ||
759ff497 | 295 | if (perf_evsel__is_group_event(evsel)) { |
717e263f NK |
296 | struct perf_evsel *pos; |
297 | ||
298 | perf_evsel__group_desc(evsel, buf, size); | |
299 | evname = buf; | |
300 | ||
301 | for_each_group_member(pos, evsel) { | |
4ea062ed ACM |
302 | const struct hists *pos_hists = evsel__hists(pos); |
303 | ||
f2148330 | 304 | if (symbol_conf.filter_relative) { |
4ea062ed ACM |
305 | nr_samples += pos_hists->stats.nr_non_filtered_samples; |
306 | nr_events += pos_hists->stats.total_non_filtered_period; | |
f2148330 | 307 | } else { |
4ea062ed ACM |
308 | nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE]; |
309 | nr_events += pos_hists->stats.total_period; | |
f2148330 | 310 | } |
717e263f NK |
311 | } |
312 | } | |
c82ee828 | 313 | |
cc686280 AR |
314 | nr_samples = convert_unit(nr_samples, &unit); |
315 | ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); | |
c82ee828 | 316 | if (evname != NULL) |
cc686280 AR |
317 | ret += fprintf(fp, " of event '%s'", evname); |
318 | ||
f4f7e28d SE |
319 | if (rep->mem_mode) { |
320 | ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); | |
228f14f2 | 321 | ret += fprintf(fp, "\n# Sort order : %s", sort_order ? : default_mem_sort_order); |
f4f7e28d SE |
322 | } else |
323 | ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); | |
c82ee828 ACM |
324 | return ret + fprintf(fp, "\n#\n"); |
325 | } | |
326 | ||
7f0030b2 | 327 | static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, |
28b21393 | 328 | struct report *rep, |
7f0030b2 | 329 | const char *help) |
d67f088e | 330 | { |
e248de33 | 331 | struct perf_evsel *pos; |
d67f088e | 332 | |
6ba29c2f | 333 | fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", evlist->stats.total_lost_samples); |
0050f7aa | 334 | evlist__for_each(evlist, pos) { |
4ea062ed | 335 | struct hists *hists = evsel__hists(pos); |
7289f83c | 336 | const char *evname = perf_evsel__name(pos); |
d67f088e | 337 | |
fc24d7c2 NK |
338 | if (symbol_conf.event_group && |
339 | !perf_evsel__is_group_leader(pos)) | |
340 | continue; | |
341 | ||
28b21393 | 342 | hists__fprintf_nr_sample_events(hists, rep, evname, stdout); |
064f1981 | 343 | hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout); |
d67f088e | 344 | fprintf(stdout, "\n\n"); |
d67f088e ACM |
345 | } |
346 | ||
e944ec2c | 347 | if (sort_order == NULL && |
021162cf | 348 | parent_pattern == default_parent_pattern) |
d67f088e ACM |
349 | fprintf(stdout, "#\n# (%s)\n#\n", help); |
350 | ||
021162cf NK |
351 | if (rep->show_threads) { |
352 | bool style = !strcmp(rep->pretty_printing_style, "raw"); | |
353 | perf_read_values_display(stdout, &rep->show_threads_values, | |
354 | style); | |
355 | perf_read_values_destroy(&rep->show_threads_values); | |
d67f088e ACM |
356 | } |
357 | ||
358 | return 0; | |
359 | } | |
360 | ||
fad2918e ACM |
361 | static void report__warn_kptr_restrict(const struct report *rep) |
362 | { | |
363 | struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION]; | |
f6fcc143 | 364 | struct kmap *kernel_kmap = kernel_map ? map__kmap(kernel_map) : NULL; |
fad2918e ACM |
365 | |
366 | if (kernel_map == NULL || | |
367 | (kernel_map->dso->hit && | |
368 | (kernel_kmap->ref_reloc_sym == NULL || | |
369 | kernel_kmap->ref_reloc_sym->addr == 0))) { | |
370 | const char *desc = | |
371 | "As no suitable kallsyms nor vmlinux was found, kernel samples\n" | |
372 | "can't be resolved."; | |
373 | ||
374 | if (kernel_map) { | |
375 | const struct dso *kdso = kernel_map->dso; | |
376 | if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) { | |
377 | desc = "If some relocation was applied (e.g. " | |
378 | "kexec) symbols may be misresolved."; | |
379 | } | |
380 | } | |
381 | ||
382 | ui__warning( | |
383 | "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" | |
384 | "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" | |
385 | "Samples in kernel modules can't be resolved as well.\n\n", | |
386 | desc); | |
387 | } | |
388 | } | |
389 | ||
8362951b ACM |
390 | static int report__gtk_browse_hists(struct report *rep, const char *help) |
391 | { | |
392 | int (*hist_browser)(struct perf_evlist *evlist, const char *help, | |
393 | struct hist_browser_timer *timer, float min_pcnt); | |
394 | ||
395 | hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists"); | |
396 | ||
397 | if (hist_browser == NULL) { | |
398 | ui__error("GTK browser not found!\n"); | |
399 | return -1; | |
400 | } | |
401 | ||
402 | return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); | |
403 | } | |
404 | ||
405 | static int report__browse_hists(struct report *rep) | |
406 | { | |
407 | int ret; | |
408 | struct perf_session *session = rep->session; | |
409 | struct perf_evlist *evlist = session->evlist; | |
410 | const char *help = "For a higher level overview, try: perf report --sort comm,dso"; | |
411 | ||
412 | switch (use_browser) { | |
413 | case 1: | |
414 | ret = perf_evlist__tui_browse_hists(evlist, help, NULL, | |
415 | rep->min_percent, | |
416 | &session->header.env); | |
417 | /* | |
418 | * Usually "ret" is the last pressed key, and we only | |
419 | * care if the key notifies us to switch data file. | |
420 | */ | |
421 | if (ret != K_SWITCH_INPUT_DATA) | |
422 | ret = 0; | |
423 | break; | |
424 | case 2: | |
425 | ret = report__gtk_browse_hists(rep, help); | |
426 | break; | |
427 | default: | |
428 | ret = perf_evlist__tty_browse_hists(evlist, rep, help); | |
429 | break; | |
430 | } | |
431 | ||
432 | return ret; | |
433 | } | |
434 | ||
58c311da | 435 | static void report__collapse_hists(struct report *rep) |
f6d8b057 ACM |
436 | { |
437 | struct ui_progress prog; | |
438 | struct perf_evsel *pos; | |
f6d8b057 | 439 | |
58c311da | 440 | ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); |
f6d8b057 | 441 | |
0050f7aa | 442 | evlist__for_each(rep->session->evlist, pos) { |
4ea062ed | 443 | struct hists *hists = evsel__hists(pos); |
f6d8b057 ACM |
444 | |
445 | if (pos->idx == 0) | |
446 | hists->symbol_filter_str = rep->symbol_filter_str; | |
447 | ||
448 | hists__collapse_resort(hists, &prog); | |
f6d8b057 ACM |
449 | |
450 | /* Non-group events are considered as leader */ | |
451 | if (symbol_conf.event_group && | |
452 | !perf_evsel__is_group_leader(pos)) { | |
4ea062ed | 453 | struct hists *leader_hists = evsel__hists(pos->leader); |
f6d8b057 ACM |
454 | |
455 | hists__match(leader_hists, hists); | |
456 | hists__link(leader_hists, hists); | |
457 | } | |
458 | } | |
459 | ||
460 | ui_progress__finish(); | |
f6d8b057 ACM |
461 | } |
462 | ||
740b97f9 NK |
463 | static void report__output_resort(struct report *rep) |
464 | { | |
465 | struct ui_progress prog; | |
466 | struct perf_evsel *pos; | |
467 | ||
468 | ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); | |
469 | ||
470 | evlist__for_each(rep->session->evlist, pos) | |
471 | hists__output_resort(evsel__hists(pos), &prog); | |
472 | ||
473 | ui_progress__finish(); | |
474 | } | |
475 | ||
28b21393 | 476 | static int __cmd_report(struct report *rep) |
016e92fb | 477 | { |
f6d8b057 | 478 | int ret; |
993ac88d | 479 | struct perf_session *session = rep->session; |
e248de33 | 480 | struct perf_evsel *pos; |
cc9784bd | 481 | struct perf_data_file *file = session->file; |
8fa66bdc | 482 | |
46656ac7 TZ |
483 | signal(SIGINT, sig_handler); |
484 | ||
fa372aae ACM |
485 | if (rep->cpu_list) { |
486 | ret = perf_session__cpu_bitmap(session, rep->cpu_list, | |
487 | rep->cpu_bitmap); | |
5d67be97 | 488 | if (ret) |
d4ae0a6f | 489 | return ret; |
5d67be97 AB |
490 | } |
491 | ||
fa372aae ACM |
492 | if (rep->show_threads) |
493 | perf_read_values_init(&rep->show_threads_values); | |
f5970550 | 494 | |
28b21393 | 495 | ret = report__setup_sample_type(rep); |
d549c769 | 496 | if (ret) |
d4ae0a6f | 497 | return ret; |
d549c769 | 498 | |
b7b61cbe | 499 | ret = perf_session__process_events(session); |
016e92fb | 500 | if (ret) |
d4ae0a6f | 501 | return ret; |
97b07b69 | 502 | |
fad2918e | 503 | report__warn_kptr_restrict(rep); |
ec80fde7 | 504 | |
590cd344 NK |
505 | evlist__for_each(session->evlist, pos) |
506 | rep->nr_entries += evsel__hists(pos)->nr_entries; | |
507 | ||
150e465a NK |
508 | if (use_browser == 0) { |
509 | if (verbose > 3) | |
510 | perf_session__fprintf(session, stdout); | |
9ac99545 | 511 | |
150e465a NK |
512 | if (verbose > 2) |
513 | perf_session__fprintf_dsos(session, stdout); | |
16f762a2 | 514 | |
150e465a NK |
515 | if (dump_trace) { |
516 | perf_session__fprintf_nr_events(session, stdout); | |
2a1731fb | 517 | perf_evlist__fprintf_nr_events(session->evlist, stdout); |
150e465a NK |
518 | return 0; |
519 | } | |
71ad0f5e JO |
520 | } |
521 | ||
58c311da | 522 | report__collapse_hists(rep); |
e248de33 | 523 | |
33e940a2 ACM |
524 | if (session_done()) |
525 | return 0; | |
526 | ||
740b97f9 NK |
527 | /* |
528 | * recalculate number of entries after collapsing since it | |
529 | * might be changed during the collapse phase. | |
530 | */ | |
531 | rep->nr_entries = 0; | |
532 | evlist__for_each(session->evlist, pos) | |
533 | rep->nr_entries += evsel__hists(pos)->nr_entries; | |
534 | ||
58c311da | 535 | if (rep->nr_entries == 0) { |
cc9784bd | 536 | ui__error("The %s file has no samples!\n", file->path); |
d4ae0a6f | 537 | return 0; |
cbbc79a5 EM |
538 | } |
539 | ||
740b97f9 | 540 | report__output_resort(rep); |
6e1f601a | 541 | |
8362951b | 542 | return report__browse_hists(rep); |
8fa66bdc ACM |
543 | } |
544 | ||
4eb3e478 | 545 | static int |
cff6bb46 | 546 | report_parse_callchain_opt(const struct option *opt, const char *arg, int unset) |
4eb3e478 | 547 | { |
28b21393 | 548 | struct report *rep = (struct report *)opt->value; |
c20ab37e | 549 | |
b9a63b9b ACM |
550 | /* |
551 | * --no-call-graph | |
552 | */ | |
553 | if (unset) { | |
fa372aae | 554 | rep->dont_use_callchains = true; |
b9a63b9b ACM |
555 | return 0; |
556 | } | |
557 | ||
cff6bb46 | 558 | return parse_callchain_report_opt(arg); |
4eb3e478 FW |
559 | } |
560 | ||
b21484f1 GP |
561 | int |
562 | report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, | |
563 | const char *arg, int unset __maybe_unused) | |
564 | { | |
565 | if (arg) { | |
566 | int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); | |
567 | if (err) { | |
568 | char buf[BUFSIZ]; | |
569 | regerror(err, &ignore_callees_regex, buf, sizeof(buf)); | |
570 | pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); | |
571 | return -1; | |
572 | } | |
573 | have_ignore_callees = 1; | |
574 | } | |
575 | ||
576 | return 0; | |
577 | } | |
578 | ||
993ac88d | 579 | static int |
1d037ca1 IT |
580 | parse_branch_mode(const struct option *opt __maybe_unused, |
581 | const char *str __maybe_unused, int unset) | |
993ac88d | 582 | { |
55369fc1 NK |
583 | int *branch_mode = opt->value; |
584 | ||
585 | *branch_mode = !unset; | |
993ac88d SE |
586 | return 0; |
587 | } | |
588 | ||
064f1981 NK |
589 | static int |
590 | parse_percent_limit(const struct option *opt, const char *str, | |
591 | int unset __maybe_unused) | |
592 | { | |
28b21393 | 593 | struct report *rep = opt->value; |
064f1981 NK |
594 | |
595 | rep->min_percent = strtof(str, NULL); | |
596 | return 0; | |
597 | } | |
598 | ||
1d037ca1 | 599 | int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) |
d20deb64 | 600 | { |
993ac88d | 601 | struct perf_session *session; |
520a2ebc | 602 | struct itrace_synth_opts itrace_synth_opts = { .set = 0, }; |
efad1415 | 603 | struct stat st; |
993ac88d | 604 | bool has_br_stack = false; |
55369fc1 | 605 | int branch_mode = -1; |
fa94c36c | 606 | bool branch_call_mode = false; |
d20deb64 ACM |
607 | char callchain_default_opt[] = "fractal,0.5,callee"; |
608 | const char * const report_usage[] = { | |
fb2baceb | 609 | "perf report [<options>]", |
d20deb64 ACM |
610 | NULL |
611 | }; | |
28b21393 | 612 | struct report report = { |
45694aa7 | 613 | .tool = { |
d20deb64 ACM |
614 | .sample = process_sample_event, |
615 | .mmap = perf_event__process_mmap, | |
5c5e854b | 616 | .mmap2 = perf_event__process_mmap2, |
d20deb64 | 617 | .comm = perf_event__process_comm, |
f62d3f0f ACM |
618 | .exit = perf_event__process_exit, |
619 | .fork = perf_event__process_fork, | |
d20deb64 ACM |
620 | .lost = perf_event__process_lost, |
621 | .read = process_read_event, | |
622 | .attr = perf_event__process_attr, | |
d20deb64 ACM |
623 | .tracing_data = perf_event__process_tracing_data, |
624 | .build_id = perf_event__process_build_id, | |
520a2ebc AH |
625 | .id_index = perf_event__process_id_index, |
626 | .auxtrace_info = perf_event__process_auxtrace_info, | |
627 | .auxtrace = perf_event__process_auxtrace, | |
0a8cb85c | 628 | .ordered_events = true, |
d20deb64 ACM |
629 | .ordering_requires_timestamps = true, |
630 | }, | |
91e95617 | 631 | .max_stack = PERF_MAX_STACK_DEPTH, |
d20deb64 ACM |
632 | .pretty_printing_style = "normal", |
633 | }; | |
634 | const struct option options[] = { | |
70cb4e96 | 635 | OPT_STRING('i', "input", &input_name, "file", |
53cb8bc2 | 636 | "input file name"), |
c0555642 | 637 | OPT_INCR('v', "verbose", &verbose, |
815e777f | 638 | "be more verbose (show symbol address, etc)"), |
97b07b69 IM |
639 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
640 | "dump raw trace in ASCII"), | |
b32d133a ACM |
641 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
642 | "file", "vmlinux pathname"), | |
b226a5a7 DA |
643 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, |
644 | "file", "kallsyms pathname"), | |
fa372aae | 645 | OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"), |
b32d133a | 646 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, |
42976487 | 647 | "load module symbols - WARNING: use only with -k and LIVE kernel"), |
d599db3f | 648 | OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, |
e3d7e183 | 649 | "Show a column with the number of samples"), |
fa372aae | 650 | OPT_BOOLEAN('T', "threads", &report.show_threads, |
8d513270 | 651 | "Show per-thread event counters"), |
fa372aae | 652 | OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", |
9f866697 | 653 | "pretty printing style key: normal raw"), |
fa372aae | 654 | OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), |
c31a9457 | 655 | OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), |
fa372aae ACM |
656 | OPT_BOOLEAN(0, "stdio", &report.use_stdio, |
657 | "Use the stdio interface"), | |
5cfe2c82 JO |
658 | OPT_BOOLEAN(0, "header", &report.header, "Show data header."), |
659 | OPT_BOOLEAN(0, "header-only", &report.header_only, | |
660 | "Show only data header."), | |
63299f05 | 661 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
a2ce067e NK |
662 | "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..." |
663 | " Please refer the man page for the complete list."), | |
a7d945bc NK |
664 | OPT_STRING('F', "fields", &field_order, "key[,keys...]", |
665 | "output field(s): overhead, period, sample plus all of sort keys"), | |
a1645ce1 ZY |
666 | OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, |
667 | "Show sample percentage for different cpu modes"), | |
b25bcf2f IM |
668 | OPT_STRING('p', "parent", &parent_pattern, "regex", |
669 | "regex filter to identify parent, see: '--sort parent'"), | |
d599db3f | 670 | OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, |
b8e6d829 | 671 | "Only display entries with parent-match"), |
8b7bad58 AK |
672 | OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order[,branch]", |
673 | "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address), add branches. " | |
cff6bb46 | 674 | "Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt), |
793aaaab NK |
675 | OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain, |
676 | "Accumulate callchains of children and show total overhead as well"), | |
91e95617 WL |
677 | OPT_INTEGER(0, "max-stack", &report.max_stack, |
678 | "Set the maximum stack depth when parsing the callchain, " | |
679 | "anything beyond the specified depth will be ignored. " | |
680 | "Default: " __stringify(PERF_MAX_STACK_DEPTH)), | |
fa372aae ACM |
681 | OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, |
682 | "alias for inverted call graph"), | |
b21484f1 GP |
683 | OPT_CALLBACK(0, "ignore-callees", NULL, "regex", |
684 | "ignore callees of these functions in call graphs", | |
685 | report_parse_ignore_callees_opt), | |
655000e7 | 686 | OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
25903407 | 687 | "only consider symbols in these dsos"), |
c8e66720 | 688 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
cc8b88b1 | 689 | "only consider symbols in these comms"), |
e03eaa40 DA |
690 | OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]", |
691 | "only consider symbols in these pids"), | |
692 | OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]", | |
693 | "only consider symbols in these tids"), | |
655000e7 | 694 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
7bec7a91 | 695 | "only consider these symbols"), |
b14ffaca NK |
696 | OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", |
697 | "only show symbols that (partially) match with this filter"), | |
655000e7 | 698 | OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, |
52d422de ACM |
699 | "width[,width...]", |
700 | "don't try to adjust column width, use these fixed values"), | |
0c8c2077 | 701 | OPT_STRING_NOEMPTY('t', "field-separator", &symbol_conf.field_sep, "separator", |
52d422de ACM |
702 | "separator for columns, no spaces will be added between " |
703 | "columns '.' is reserved."), | |
fa372aae | 704 | OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved, |
71289be7 | 705 | "Only display entries resolved to a symbol"), |
ec5761ea DA |
706 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", |
707 | "Look for files with symbols relative to this directory"), | |
c8e66720 | 708 | OPT_STRING('C', "cpu", &report.cpu_list, "cpu", |
fa372aae ACM |
709 | "list of cpus to profile"), |
710 | OPT_BOOLEAN('I', "show-info", &report.show_full_info, | |
fbe96f29 | 711 | "Display extended information about perf.data file"), |
64c6f0c7 ACM |
712 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, |
713 | "Interleave source code with assembly code (default)"), | |
714 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, | |
715 | "Display raw encoding of assembly instructions (default)"), | |
f69b64f7 AK |
716 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", |
717 | "Specify disassembler style (e.g. -M intel for intel syntax)"), | |
3f2728bd ACM |
718 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, |
719 | "Show a column with the sum of periods"), | |
01d14f16 NK |
720 | OPT_BOOLEAN(0, "group", &symbol_conf.event_group, |
721 | "Show event group information together"), | |
55369fc1 | 722 | OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", |
fa94c36c AK |
723 | "use branch records for per branch histogram filling", |
724 | parse_branch_mode), | |
725 | OPT_BOOLEAN(0, "branch-history", &branch_call_mode, | |
726 | "add last branch records to call history"), | |
7a4ec938 MB |
727 | OPT_STRING(0, "objdump", &objdump_path, "path", |
728 | "objdump binary to use for disassembly and annotations"), | |
328ccdac NK |
729 | OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, |
730 | "Disable symbol demangling"), | |
763122ad AK |
731 | OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, |
732 | "Enable kernel symbol demangling"), | |
f4f7e28d | 733 | OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), |
064f1981 NK |
734 | OPT_CALLBACK(0, "percent-limit", &report, "percent", |
735 | "Don't show entries under that percent", parse_percent_limit), | |
f2148330 | 736 | OPT_CALLBACK(0, "percentage", NULL, "relative|absolute", |
33db4568 | 737 | "how to display percentage of filtered entries", parse_filter_percentage), |
520a2ebc AH |
738 | OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts", |
739 | "Instruction Tracing options", | |
740 | itrace_parse_synth_opts), | |
53cb8bc2 | 741 | OPT_END() |
d20deb64 | 742 | }; |
f5fc1412 JO |
743 | struct perf_data_file file = { |
744 | .mode = PERF_DATA_MODE_READ, | |
745 | }; | |
a635fc51 ACM |
746 | int ret = hists__init(); |
747 | ||
748 | if (ret < 0) | |
749 | return ret; | |
53cb8bc2 | 750 | |
28b21393 | 751 | perf_config(report__config, &report); |
00c7e1f1 | 752 | |
655000e7 ACM |
753 | argc = parse_options(argc, argv, options, report_usage, 0); |
754 | ||
36c8bb56 LZ |
755 | if (symbol_conf.vmlinux_name && |
756 | access(symbol_conf.vmlinux_name, R_OK)) { | |
757 | pr_err("Invalid file: %s\n", symbol_conf.vmlinux_name); | |
758 | return -EINVAL; | |
759 | } | |
760 | if (symbol_conf.kallsyms_name && | |
761 | access(symbol_conf.kallsyms_name, R_OK)) { | |
762 | pr_err("Invalid file: %s\n", symbol_conf.kallsyms_name); | |
763 | return -EINVAL; | |
764 | } | |
765 | ||
fa372aae | 766 | if (report.use_stdio) |
8b9e74eb | 767 | use_browser = 0; |
fa372aae | 768 | else if (report.use_tui) |
8b9e74eb | 769 | use_browser = 1; |
c31a9457 PE |
770 | else if (report.use_gtk) |
771 | use_browser = 2; | |
8b9e74eb | 772 | |
fa372aae | 773 | if (report.inverted_callchain) |
d797fdc5 SL |
774 | callchain_param.order = ORDER_CALLER; |
775 | ||
70cb4e96 | 776 | if (!input_name || !strlen(input_name)) { |
efad1415 | 777 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) |
70cb4e96 | 778 | input_name = "-"; |
efad1415 | 779 | else |
70cb4e96 | 780 | input_name = "perf.data"; |
efad1415 | 781 | } |
ad0de097 | 782 | |
f5fc1412 JO |
783 | file.path = input_name; |
784 | file.force = report.force; | |
785 | ||
ad0de097 | 786 | repeat: |
f5fc1412 | 787 | session = perf_session__new(&file, false, &report.tool); |
993ac88d | 788 | if (session == NULL) |
52e02834 | 789 | return -1; |
993ac88d | 790 | |
94786b67 JO |
791 | if (report.queue_size) { |
792 | ordered_events__set_alloc_size(&session->ordered_events, | |
793 | report.queue_size); | |
794 | } | |
795 | ||
520a2ebc AH |
796 | session->itrace_synth_opts = &itrace_synth_opts; |
797 | ||
993ac88d SE |
798 | report.session = session; |
799 | ||
800 | has_br_stack = perf_header__has_feat(&session->header, | |
801 | HEADER_BRANCH_STACK); | |
efad1415 | 802 | |
fa94c36c AK |
803 | /* |
804 | * Branch mode is a tristate: | |
805 | * -1 means default, so decide based on the file having branch data. | |
806 | * 0/1 means the user chose a mode. | |
807 | */ | |
808 | if (((branch_mode == -1 && has_br_stack) || branch_mode == 1) && | |
fefd2d96 | 809 | !branch_call_mode) { |
55369fc1 | 810 | sort__mode = SORT_MODE__BRANCH; |
793aaaab NK |
811 | symbol_conf.cumulate_callchain = false; |
812 | } | |
fa94c36c | 813 | if (branch_call_mode) { |
09a6a1b0 | 814 | callchain_param.key = CCKEY_ADDRESS; |
fa94c36c AK |
815 | callchain_param.branch_callstack = 1; |
816 | symbol_conf.use_callchain = true; | |
817 | callchain_register_param(&callchain_param); | |
818 | if (sort_order == NULL) | |
819 | sort_order = "srcline,symbol,dso"; | |
820 | } | |
993ac88d | 821 | |
f4f7e28d | 822 | if (report.mem_mode) { |
55369fc1 | 823 | if (sort__mode == SORT_MODE__BRANCH) { |
a4210141 | 824 | pr_err("branch and mem mode incompatible\n"); |
f4f7e28d SE |
825 | goto error; |
826 | } | |
afab87b9 | 827 | sort__mode = SORT_MODE__MEMORY; |
793aaaab | 828 | symbol_conf.cumulate_callchain = false; |
f4f7e28d | 829 | } |
a68c2c58 | 830 | |
91aba0a6 | 831 | if (setup_sorting() < 0) { |
a7d945bc NK |
832 | if (sort_order) |
833 | parse_options_usage(report_usage, options, "s", 1); | |
834 | if (field_order) | |
835 | parse_options_usage(sort_order ? NULL : report_usage, | |
836 | options, "F", 1); | |
91aba0a6 NK |
837 | goto error; |
838 | } | |
034a9265 | 839 | |
b138f42e NK |
840 | /* Force tty output for header output and per-thread stat. */ |
841 | if (report.header || report.header_only || report.show_threads) | |
5cfe2c82 JO |
842 | use_browser = 0; |
843 | ||
4bceffbc NK |
844 | if (strcmp(input_name, "-") != 0) |
845 | setup_browser(true); | |
22af969e | 846 | else |
4bceffbc | 847 | use_browser = 0; |
4bceffbc | 848 | |
5cfe2c82 JO |
849 | if (report.header || report.header_only) { |
850 | perf_session__fprintf_info(session, stdout, | |
851 | report.show_full_info); | |
07a716ff TS |
852 | if (report.header_only) { |
853 | ret = 0; | |
854 | goto error; | |
855 | } | |
5cfe2c82 JO |
856 | } else if (use_browser == 0) { |
857 | fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", | |
858 | stdout); | |
859 | } | |
860 | ||
ef7b93a1 | 861 | /* |
6692c262 | 862 | * Only in the TUI browser we are doing integrated annotation, |
ef7b93a1 ACM |
863 | * so don't allocate extra space that won't be used in the stdio |
864 | * implementation. | |
865 | */ | |
b9ce0c99 | 866 | if (ui__has_annotation()) { |
78f7defe | 867 | symbol_conf.priv_size = sizeof(struct annotation); |
b8681711 AH |
868 | machines__set_symbol_filter(&session->machines, |
869 | symbol__annotate_init); | |
80d50cae ACM |
870 | /* |
871 | * For searching by name on the "Browse map details". | |
872 | * providing it only in verbose mode not to bloat too | |
873 | * much struct symbol. | |
874 | */ | |
875 | if (verbose) { | |
876 | /* | |
877 | * XXX: Need to provide a less kludgy way to ask for | |
878 | * more space per symbol, the u32 is for the index on | |
879 | * the ui browser. | |
880 | * See symbol__browser_index. | |
881 | */ | |
882 | symbol_conf.priv_size += sizeof(u32); | |
883 | symbol_conf.sort_by_name = true; | |
884 | } | |
885 | } | |
655000e7 | 886 | |
0a7e6d1b | 887 | if (symbol__init(&session->header.env) < 0) |
993ac88d | 888 | goto error; |
53cb8bc2 | 889 | |
6db6127c NK |
890 | if (argc) { |
891 | /* | |
892 | * Special case: if there's an argument left then assume that | |
893 | * it's a symbol filter: | |
894 | */ | |
895 | if (argc > 1) | |
896 | usage_with_options(report_usage, options); | |
897 | ||
898 | report.symbol_filter_str = argv[0]; | |
899 | } | |
edc52dea | 900 | |
08e71542 | 901 | sort__setup_elide(stdout); |
25903407 | 902 | |
993ac88d | 903 | ret = __cmd_report(&report); |
ad0de097 FT |
904 | if (ret == K_SWITCH_INPUT_DATA) { |
905 | perf_session__delete(session); | |
906 | goto repeat; | |
907 | } else | |
908 | ret = 0; | |
909 | ||
993ac88d SE |
910 | error: |
911 | perf_session__delete(session); | |
912 | return ret; | |
53cb8bc2 | 913 | } |