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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> |
a930d2c0 | 16 | #include "util/cache.h" |
43cbcd8a | 17 | #include <linux/rbtree.h> |
a2928c42 | 18 | #include "util/symbol.h" |
f55c5552 | 19 | #include "util/callchain.h" |
25903407 | 20 | #include "util/strlist.h" |
8d513270 | 21 | #include "util/values.h" |
8fa66bdc | 22 | |
53cb8bc2 | 23 | #include "perf.h" |
8f28827a | 24 | #include "util/debug.h" |
e248de33 ACM |
25 | #include "util/evlist.h" |
26 | #include "util/evsel.h" | |
7c6a1c65 | 27 | #include "util/header.h" |
94c744b6 | 28 | #include "util/session.h" |
45694aa7 | 29 | #include "util/tool.h" |
53cb8bc2 IM |
30 | |
31 | #include "util/parse-options.h" | |
32 | #include "util/parse-events.h" | |
33 | ||
6baa0a5a | 34 | #include "util/thread.h" |
dd68ada2 | 35 | #include "util/sort.h" |
3d1d07ec | 36 | #include "util/hist.h" |
68e94f4e | 37 | #include "arch/common.h" |
6baa0a5a | 38 | |
5d67be97 AB |
39 | #include <linux/bitmap.h> |
40 | ||
d20deb64 | 41 | struct perf_report { |
45694aa7 | 42 | struct perf_tool tool; |
d20deb64 | 43 | struct perf_session *session; |
c31a9457 | 44 | bool force, use_tui, use_gtk, use_stdio; |
fa372aae ACM |
45 | bool hide_unresolved; |
46 | bool dont_use_callchains; | |
47 | bool show_full_info; | |
48 | bool show_threads; | |
49 | bool inverted_callchain; | |
50 | struct perf_read_values show_threads_values; | |
51 | const char *pretty_printing_style; | |
52 | symbol_filter_t annotate_init; | |
53 | const char *cpu_list; | |
b14ffaca | 54 | const char *symbol_filter_str; |
fa372aae | 55 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); |
d20deb64 | 56 | }; |
5d67be97 | 57 | |
00c7e1f1 NK |
58 | static int perf_report_config(const char *var, const char *value, void *cb) |
59 | { | |
60 | if (!strcmp(var, "report.group")) { | |
61 | symbol_conf.event_group = perf_config_bool(var, value); | |
62 | return 0; | |
63 | } | |
64 | ||
65 | return perf_default_config(var, value, cb); | |
66 | } | |
67 | ||
b50311dc RAV |
68 | static int perf_report__add_branch_hist_entry(struct perf_tool *tool, |
69 | struct addr_location *al, | |
70 | struct perf_sample *sample, | |
71 | struct perf_evsel *evsel, | |
72 | struct machine *machine) | |
73 | { | |
74 | struct perf_report *rep = container_of(tool, struct perf_report, tool); | |
75 | struct symbol *parent = NULL; | |
76 | int err = 0; | |
77 | unsigned i; | |
78 | struct hist_entry *he; | |
a68c2c58 | 79 | struct branch_info *bi, *bx; |
b50311dc RAV |
80 | |
81 | if ((sort__has_parent || symbol_conf.use_callchain) | |
82 | && sample->callchain) { | |
71ad0f5e JO |
83 | err = machine__resolve_callchain(machine, evsel, al->thread, |
84 | sample, &parent); | |
b50311dc RAV |
85 | if (err) |
86 | return err; | |
87 | } | |
88 | ||
89 | bi = machine__resolve_bstack(machine, al->thread, | |
90 | sample->branch_stack); | |
91 | if (!bi) | |
92 | return -ENOMEM; | |
93 | ||
94 | for (i = 0; i < sample->branch_stack->nr; i++) { | |
95 | if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym)) | |
96 | continue; | |
97 | /* | |
98 | * The report shows the percentage of total branches captured | |
99 | * and not events sampled. Thus we use a pseudo period of 1. | |
100 | */ | |
101 | he = __hists__add_branch_entry(&evsel->hists, al, parent, | |
a68c2c58 | 102 | &bi[i], 1); |
b50311dc | 103 | if (he) { |
a68c2c58 SE |
104 | struct annotation *notes; |
105 | err = -ENOMEM; | |
106 | bx = he->branch_info; | |
034a9265 | 107 | if (bx->from.sym && use_browser == 1 && sort__has_sym) { |
a68c2c58 SE |
108 | notes = symbol__annotation(bx->from.sym); |
109 | if (!notes->src | |
110 | && symbol__alloc_hist(bx->from.sym) < 0) | |
111 | goto out; | |
112 | ||
113 | err = symbol__inc_addr_samples(bx->from.sym, | |
114 | bx->from.map, | |
115 | evsel->idx, | |
116 | bx->from.al_addr); | |
117 | if (err) | |
118 | goto out; | |
119 | } | |
120 | ||
034a9265 | 121 | if (bx->to.sym && use_browser == 1 && sort__has_sym) { |
a68c2c58 SE |
122 | notes = symbol__annotation(bx->to.sym); |
123 | if (!notes->src | |
124 | && symbol__alloc_hist(bx->to.sym) < 0) | |
125 | goto out; | |
126 | ||
127 | err = symbol__inc_addr_samples(bx->to.sym, | |
128 | bx->to.map, | |
129 | evsel->idx, | |
130 | bx->to.al_addr); | |
131 | if (err) | |
132 | goto out; | |
133 | } | |
b50311dc RAV |
134 | evsel->hists.stats.total_period += 1; |
135 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); | |
a68c2c58 | 136 | err = 0; |
b50311dc RAV |
137 | } else |
138 | return -ENOMEM; | |
139 | } | |
a68c2c58 | 140 | out: |
b50311dc RAV |
141 | return err; |
142 | } | |
143 | ||
743eb868 ACM |
144 | static int perf_evsel__add_hist_entry(struct perf_evsel *evsel, |
145 | struct addr_location *al, | |
146 | struct perf_sample *sample, | |
147 | struct machine *machine) | |
8fa66bdc | 148 | { |
b3c9ac08 | 149 | struct symbol *parent = NULL; |
1b3a0e95 | 150 | int err = 0; |
e7fb08b1 | 151 | struct hist_entry *he; |
e7fb08b1 | 152 | |
8d50e5b4 | 153 | if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) { |
71ad0f5e JO |
154 | err = machine__resolve_callchain(machine, evsel, al->thread, |
155 | sample, &parent); | |
1b3a0e95 FW |
156 | if (err) |
157 | return err; | |
ad5b217b | 158 | } |
cbbc79a5 | 159 | |
e248de33 | 160 | he = __hists__add_entry(&evsel->hists, al, parent, sample->period); |
9735abf1 | 161 | if (he == NULL) |
1b3a0e95 FW |
162 | return -ENOMEM; |
163 | ||
ef7b93a1 | 164 | if (symbol_conf.use_callchain) { |
246d4ce8 | 165 | err = callchain_append(he->callchain, |
47260645 | 166 | &callchain_cursor, |
8d50e5b4 | 167 | sample->period); |
ef7b93a1 | 168 | if (err) |
1b3a0e95 | 169 | return err; |
ef7b93a1 ACM |
170 | } |
171 | /* | |
172 | * Only in the newt browser we are doing integrated annotation, | |
173 | * so we don't allocated the extra space needed because the stdio | |
174 | * code will not use it. | |
175 | */ | |
034a9265 | 176 | if (he->ms.sym != NULL && use_browser == 1 && sort__has_sym) { |
2f525d01 | 177 | struct annotation *notes = symbol__annotation(he->ms.sym); |
e248de33 ACM |
178 | |
179 | assert(evsel != NULL); | |
180 | ||
181 | err = -ENOMEM; | |
d04b35f8 | 182 | if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0) |
e248de33 ACM |
183 | goto out; |
184 | ||
185 | err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); | |
2f525d01 | 186 | } |
1b3a0e95 | 187 | |
e248de33 ACM |
188 | evsel->hists.stats.total_period += sample->period; |
189 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); | |
190 | out: | |
39d1e1b1 | 191 | return err; |
8fa66bdc ACM |
192 | } |
193 | ||
cbbc79a5 | 194 | |
45694aa7 | 195 | static int process_sample_event(struct perf_tool *tool, |
d20deb64 | 196 | union perf_event *event, |
8115d60c | 197 | struct perf_sample *sample, |
9e69c210 | 198 | struct perf_evsel *evsel, |
743eb868 | 199 | struct machine *machine) |
75051724 | 200 | { |
45694aa7 | 201 | struct perf_report *rep = container_of(tool, struct perf_report, tool); |
1ed091c4 | 202 | struct addr_location al; |
180f95e2 | 203 | |
743eb868 | 204 | if (perf_event__preprocess_sample(event, machine, &al, sample, |
fa372aae | 205 | rep->annotate_init) < 0) { |
c410a338 | 206 | fprintf(stderr, "problem processing %d event, skipping it.\n", |
75051724 IM |
207 | event->header.type); |
208 | return -1; | |
209 | } | |
e7fb08b1 | 210 | |
fa372aae | 211 | if (al.filtered || (rep->hide_unresolved && al.sym == NULL)) |
ec218fc4 | 212 | return 0; |
7bec7a91 | 213 | |
fa372aae | 214 | if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) |
5d67be97 AB |
215 | return 0; |
216 | ||
993ac88d | 217 | if (sort__branch_mode == 1) { |
b50311dc RAV |
218 | if (perf_report__add_branch_hist_entry(tool, &al, sample, |
219 | evsel, machine)) { | |
220 | pr_debug("problem adding lbr entry, skipping event\n"); | |
221 | return -1; | |
222 | } | |
223 | } else { | |
224 | if (al.map != NULL) | |
225 | al.map->dso->hit = 1; | |
ec80fde7 | 226 | |
b50311dc RAV |
227 | if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) { |
228 | pr_debug("problem incrementing symbol period, skipping event\n"); | |
229 | return -1; | |
230 | } | |
8fa66bdc | 231 | } |
75051724 IM |
232 | return 0; |
233 | } | |
3502973d | 234 | |
45694aa7 | 235 | static int process_read_event(struct perf_tool *tool, |
d20deb64 | 236 | union perf_event *event, |
1d037ca1 | 237 | struct perf_sample *sample __maybe_unused, |
743eb868 | 238 | struct perf_evsel *evsel, |
1d037ca1 | 239 | struct machine *machine __maybe_unused) |
e9ea2fde | 240 | { |
45694aa7 | 241 | struct perf_report *rep = container_of(tool, struct perf_report, tool); |
743eb868 | 242 | |
fa372aae | 243 | if (rep->show_threads) { |
7289f83c | 244 | const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; |
fa372aae | 245 | perf_read_values_add_value(&rep->show_threads_values, |
8d513270 BG |
246 | event->read.pid, event->read.tid, |
247 | event->read.id, | |
248 | name, | |
249 | event->read.value); | |
250 | } | |
251 | ||
9486aa38 | 252 | dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid, |
7289f83c | 253 | evsel ? perf_evsel__name(evsel) : "FAIL", |
62daacb5 | 254 | event->read.value); |
e9ea2fde PZ |
255 | |
256 | return 0; | |
257 | } | |
258 | ||
300aa941 | 259 | /* For pipe mode, sample_type is not currently set */ |
d20deb64 | 260 | static int perf_report__setup_sample_type(struct perf_report *rep) |
d80d338d | 261 | { |
d20deb64 | 262 | struct perf_session *self = rep->session; |
7f3be652 | 263 | u64 sample_type = perf_evlist__sample_type(self->evlist); |
d20deb64 | 264 | |
7f3be652 | 265 | if (!self->fd_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { |
91b4eaea | 266 | if (sort__has_parent) { |
3780f488 | 267 | ui__error("Selected --sort parent, but no " |
00894ce9 ACM |
268 | "callchain data. Did you call " |
269 | "'perf record' without -g?\n"); | |
d549c769 | 270 | return -EINVAL; |
91b4eaea | 271 | } |
d599db3f | 272 | if (symbol_conf.use_callchain) { |
3780f488 | 273 | ui__error("Selected -g but no callchain data. Did " |
00894ce9 | 274 | "you call 'perf record' without -g?\n"); |
016e92fb | 275 | return -1; |
91b4eaea | 276 | } |
fa372aae ACM |
277 | } else if (!rep->dont_use_callchains && |
278 | callchain_param.mode != CHAIN_NONE && | |
b9a63b9b | 279 | !symbol_conf.use_callchain) { |
d599db3f | 280 | symbol_conf.use_callchain = true; |
16537f13 | 281 | if (callchain_register_param(&callchain_param) < 0) { |
3780f488 | 282 | ui__error("Can't register callchain params.\n"); |
d549c769 | 283 | return -EINVAL; |
b1a88349 | 284 | } |
f5970550 PZ |
285 | } |
286 | ||
993ac88d | 287 | if (sort__branch_mode == 1) { |
300aa941 | 288 | if (!self->fd_pipe && |
7f3be652 | 289 | !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { |
3780f488 NK |
290 | ui__error("Selected -b but no branch data. " |
291 | "Did you call perf record without -b?\n"); | |
b50311dc RAV |
292 | return -1; |
293 | } | |
294 | } | |
295 | ||
016e92fb FW |
296 | return 0; |
297 | } | |
6142f9ec | 298 | |
46656ac7 TZ |
299 | extern volatile int session_done; |
300 | ||
1d037ca1 | 301 | static void sig_handler(int sig __maybe_unused) |
46656ac7 TZ |
302 | { |
303 | session_done = 1; | |
304 | } | |
305 | ||
c82ee828 ACM |
306 | static size_t hists__fprintf_nr_sample_events(struct hists *self, |
307 | const char *evname, FILE *fp) | |
308 | { | |
309 | size_t ret; | |
310 | char unit; | |
cc686280 AR |
311 | unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE]; |
312 | u64 nr_events = self->stats.total_period; | |
717e263f NK |
313 | struct perf_evsel *evsel = hists_to_evsel(self); |
314 | char buf[512]; | |
315 | size_t size = sizeof(buf); | |
316 | ||
317 | if (symbol_conf.event_group && evsel->nr_members > 1) { | |
318 | struct perf_evsel *pos; | |
319 | ||
320 | perf_evsel__group_desc(evsel, buf, size); | |
321 | evname = buf; | |
322 | ||
323 | for_each_group_member(pos, evsel) { | |
324 | nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE]; | |
325 | nr_events += pos->hists.stats.total_period; | |
326 | } | |
327 | } | |
c82ee828 | 328 | |
cc686280 AR |
329 | nr_samples = convert_unit(nr_samples, &unit); |
330 | ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); | |
c82ee828 | 331 | if (evname != NULL) |
cc686280 AR |
332 | ret += fprintf(fp, " of event '%s'", evname); |
333 | ||
04480d01 | 334 | ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); |
c82ee828 ACM |
335 | return ret + fprintf(fp, "\n#\n"); |
336 | } | |
337 | ||
7f0030b2 | 338 | static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, |
d20deb64 | 339 | struct perf_report *rep, |
7f0030b2 | 340 | const char *help) |
d67f088e | 341 | { |
e248de33 | 342 | struct perf_evsel *pos; |
d67f088e | 343 | |
e248de33 ACM |
344 | list_for_each_entry(pos, &evlist->entries, node) { |
345 | struct hists *hists = &pos->hists; | |
7289f83c | 346 | const char *evname = perf_evsel__name(pos); |
d67f088e | 347 | |
fc24d7c2 NK |
348 | if (symbol_conf.event_group && |
349 | !perf_evsel__is_group_leader(pos)) | |
350 | continue; | |
351 | ||
d67f088e | 352 | hists__fprintf_nr_sample_events(hists, evname, stdout); |
41724e4c | 353 | hists__fprintf(hists, true, 0, 0, stdout); |
d67f088e | 354 | fprintf(stdout, "\n\n"); |
d67f088e ACM |
355 | } |
356 | ||
357 | if (sort_order == default_sort_order && | |
358 | parent_pattern == default_parent_pattern) { | |
359 | fprintf(stdout, "#\n# (%s)\n#\n", help); | |
360 | ||
fa372aae ACM |
361 | if (rep->show_threads) { |
362 | bool style = !strcmp(rep->pretty_printing_style, "raw"); | |
363 | perf_read_values_display(stdout, &rep->show_threads_values, | |
d67f088e | 364 | style); |
fa372aae | 365 | perf_read_values_destroy(&rep->show_threads_values); |
d67f088e ACM |
366 | } |
367 | } | |
368 | ||
369 | return 0; | |
370 | } | |
371 | ||
d20deb64 | 372 | static int __cmd_report(struct perf_report *rep) |
016e92fb | 373 | { |
d549c769 | 374 | int ret = -EINVAL; |
e248de33 | 375 | u64 nr_samples; |
993ac88d | 376 | struct perf_session *session = rep->session; |
e248de33 | 377 | struct perf_evsel *pos; |
ec80fde7 ACM |
378 | struct map *kernel_map; |
379 | struct kmap *kernel_kmap; | |
f9224c5c | 380 | const char *help = "For a higher level overview, try: perf report --sort comm,dso"; |
8fa66bdc | 381 | |
46656ac7 TZ |
382 | signal(SIGINT, sig_handler); |
383 | ||
fa372aae ACM |
384 | if (rep->cpu_list) { |
385 | ret = perf_session__cpu_bitmap(session, rep->cpu_list, | |
386 | rep->cpu_bitmap); | |
5d67be97 AB |
387 | if (ret) |
388 | goto out_delete; | |
389 | } | |
390 | ||
fbe96f29 | 391 | if (use_browser <= 0) |
fa372aae | 392 | perf_session__fprintf_info(session, stdout, rep->show_full_info); |
fbe96f29 | 393 | |
fa372aae ACM |
394 | if (rep->show_threads) |
395 | perf_read_values_init(&rep->show_threads_values); | |
f5970550 | 396 | |
d20deb64 | 397 | ret = perf_report__setup_sample_type(rep); |
d549c769 ACM |
398 | if (ret) |
399 | goto out_delete; | |
400 | ||
45694aa7 | 401 | ret = perf_session__process_events(session, &rep->tool); |
016e92fb | 402 | if (ret) |
94c744b6 | 403 | goto out_delete; |
97b07b69 | 404 | |
876650e6 | 405 | kernel_map = session->machines.host.vmlinux_maps[MAP__FUNCTION]; |
ec80fde7 ACM |
406 | kernel_kmap = map__kmap(kernel_map); |
407 | if (kernel_map == NULL || | |
408 | (kernel_map->dso->hit && | |
409 | (kernel_kmap->ref_reloc_sym == NULL || | |
410 | kernel_kmap->ref_reloc_sym->addr == 0))) { | |
9e755756 DA |
411 | const char *desc = |
412 | "As no suitable kallsyms nor vmlinux was found, kernel samples\n" | |
413 | "can't be resolved."; | |
414 | ||
415 | if (kernel_map) { | |
416 | const struct dso *kdso = kernel_map->dso; | |
417 | if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) { | |
418 | desc = "If some relocation was applied (e.g. " | |
419 | "kexec) symbols may be misresolved."; | |
420 | } | |
421 | } | |
ec80fde7 | 422 | |
646aaea6 ACM |
423 | ui__warning( |
424 | "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" | |
425 | "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" | |
426 | "Samples in kernel modules can't be resolved as well.\n\n", | |
9e755756 | 427 | desc); |
ec80fde7 ACM |
428 | } |
429 | ||
da21d1b5 | 430 | if (verbose > 3) |
b3165f41 | 431 | perf_session__fprintf(session, stdout); |
9ac99545 | 432 | |
da21d1b5 | 433 | if (verbose > 2) |
cbf69680 | 434 | perf_session__fprintf_dsos(session, stdout); |
16f762a2 | 435 | |
71ad0f5e JO |
436 | if (dump_trace) { |
437 | perf_session__fprintf_nr_events(session, stdout); | |
438 | goto out_delete; | |
439 | } | |
440 | ||
e248de33 ACM |
441 | nr_samples = 0; |
442 | list_for_each_entry(pos, &session->evlist->entries, node) { | |
443 | struct hists *hists = &pos->hists; | |
cbbc79a5 | 444 | |
b14ffaca NK |
445 | if (pos->idx == 0) |
446 | hists->symbol_filter_str = rep->symbol_filter_str; | |
447 | ||
1c02c4d2 | 448 | hists__collapse_resort(hists); |
e248de33 | 449 | nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE]; |
6e1f601a NK |
450 | |
451 | /* Non-group events are considered as leader */ | |
452 | if (symbol_conf.event_group && | |
453 | !perf_evsel__is_group_leader(pos)) { | |
454 | struct hists *leader_hists = &pos->leader->hists; | |
455 | ||
456 | hists__match(leader_hists, hists); | |
457 | hists__link(leader_hists, hists); | |
458 | } | |
e248de33 ACM |
459 | } |
460 | ||
461 | if (nr_samples == 0) { | |
3780f488 | 462 | ui__error("The %s file has no samples!\n", session->filename); |
e248de33 | 463 | goto out_delete; |
cbbc79a5 EM |
464 | } |
465 | ||
6e1f601a NK |
466 | list_for_each_entry(pos, &session->evlist->entries, node) |
467 | hists__output_resort(&pos->hists); | |
468 | ||
81cce8de | 469 | if (use_browser > 0) { |
c31a9457 | 470 | if (use_browser == 1) { |
ad0de097 FT |
471 | ret = perf_evlist__tui_browse_hists(session->evlist, |
472 | help, | |
473 | NULL, | |
474 | &session->header.env); | |
475 | /* | |
476 | * Usually "ret" is the last pressed key, and we only | |
477 | * care if the key notifies us to switch data file. | |
478 | */ | |
479 | if (ret != K_SWITCH_INPUT_DATA) | |
480 | ret = 0; | |
481 | ||
c31a9457 PE |
482 | } else if (use_browser == 2) { |
483 | perf_evlist__gtk_browse_hists(session->evlist, help, | |
9783adf7 | 484 | NULL); |
c31a9457 | 485 | } |
81cce8de | 486 | } else |
d20deb64 | 487 | perf_evlist__tty_browse_hists(session->evlist, rep, help); |
3e6055ab | 488 | |
94c744b6 | 489 | out_delete: |
71e7cf3a ACM |
490 | /* |
491 | * Speed up the exit process, for large files this can | |
492 | * take quite a while. | |
493 | * | |
494 | * XXX Enable this when using valgrind or if we ever | |
495 | * librarize this command. | |
496 | * | |
497 | * Also experiment with obstacks to see how much speed | |
498 | * up we'll get here. | |
499 | * | |
500 | * perf_session__delete(session); | |
501 | */ | |
016e92fb | 502 | return ret; |
8fa66bdc ACM |
503 | } |
504 | ||
4eb3e478 | 505 | static int |
d20deb64 | 506 | parse_callchain_opt(const struct option *opt, const char *arg, int unset) |
4eb3e478 | 507 | { |
d20deb64 | 508 | struct perf_report *rep = (struct perf_report *)opt->value; |
232a5c94 | 509 | char *tok, *tok2; |
c20ab37e FW |
510 | char *endptr; |
511 | ||
b9a63b9b ACM |
512 | /* |
513 | * --no-call-graph | |
514 | */ | |
515 | if (unset) { | |
fa372aae | 516 | rep->dont_use_callchains = true; |
b9a63b9b ACM |
517 | return 0; |
518 | } | |
519 | ||
d599db3f | 520 | symbol_conf.use_callchain = true; |
4eb3e478 FW |
521 | |
522 | if (!arg) | |
523 | return 0; | |
524 | ||
c20ab37e FW |
525 | tok = strtok((char *)arg, ","); |
526 | if (!tok) | |
527 | return -1; | |
528 | ||
529 | /* get the output mode */ | |
530 | if (!strncmp(tok, "graph", strlen(arg))) | |
805d127d | 531 | callchain_param.mode = CHAIN_GRAPH_ABS; |
4eb3e478 | 532 | |
c20ab37e | 533 | else if (!strncmp(tok, "flat", strlen(arg))) |
805d127d FW |
534 | callchain_param.mode = CHAIN_FLAT; |
535 | ||
536 | else if (!strncmp(tok, "fractal", strlen(arg))) | |
537 | callchain_param.mode = CHAIN_GRAPH_REL; | |
538 | ||
b1a88349 FW |
539 | else if (!strncmp(tok, "none", strlen(arg))) { |
540 | callchain_param.mode = CHAIN_NONE; | |
b7ae11b3 | 541 | symbol_conf.use_callchain = false; |
b1a88349 FW |
542 | |
543 | return 0; | |
544 | } | |
545 | ||
4eb3e478 FW |
546 | else |
547 | return -1; | |
548 | ||
c20ab37e FW |
549 | /* get the min percentage */ |
550 | tok = strtok(NULL, ","); | |
551 | if (!tok) | |
805d127d | 552 | goto setup; |
c20ab37e | 553 | |
805d127d | 554 | callchain_param.min_percent = strtod(tok, &endptr); |
c20ab37e FW |
555 | if (tok == endptr) |
556 | return -1; | |
557 | ||
d797fdc5 SL |
558 | /* get the print limit */ |
559 | tok2 = strtok(NULL, ","); | |
560 | if (!tok2) | |
561 | goto setup; | |
562 | ||
563 | if (tok2[0] != 'c') { | |
6581f6e3 | 564 | callchain_param.print_limit = strtoul(tok2, &endptr, 0); |
d797fdc5 SL |
565 | tok2 = strtok(NULL, ","); |
566 | if (!tok2) | |
567 | goto setup; | |
568 | } | |
569 | ||
570 | /* get the call chain order */ | |
571 | if (!strcmp(tok2, "caller")) | |
572 | callchain_param.order = ORDER_CALLER; | |
573 | else if (!strcmp(tok2, "callee")) | |
574 | callchain_param.order = ORDER_CALLEE; | |
575 | else | |
576 | return -1; | |
805d127d | 577 | setup: |
16537f13 | 578 | if (callchain_register_param(&callchain_param) < 0) { |
805d127d FW |
579 | fprintf(stderr, "Can't register callchain params\n"); |
580 | return -1; | |
581 | } | |
4eb3e478 FW |
582 | return 0; |
583 | } | |
584 | ||
993ac88d | 585 | static int |
1d037ca1 IT |
586 | parse_branch_mode(const struct option *opt __maybe_unused, |
587 | const char *str __maybe_unused, int unset) | |
993ac88d SE |
588 | { |
589 | sort__branch_mode = !unset; | |
590 | return 0; | |
591 | } | |
592 | ||
1d037ca1 | 593 | int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) |
d20deb64 | 594 | { |
993ac88d | 595 | struct perf_session *session; |
efad1415 | 596 | struct stat st; |
993ac88d SE |
597 | bool has_br_stack = false; |
598 | int ret = -1; | |
d20deb64 ACM |
599 | char callchain_default_opt[] = "fractal,0.5,callee"; |
600 | const char * const report_usage[] = { | |
fb2baceb | 601 | "perf report [<options>]", |
d20deb64 ACM |
602 | NULL |
603 | }; | |
604 | struct perf_report report = { | |
45694aa7 | 605 | .tool = { |
d20deb64 ACM |
606 | .sample = process_sample_event, |
607 | .mmap = perf_event__process_mmap, | |
608 | .comm = perf_event__process_comm, | |
f62d3f0f ACM |
609 | .exit = perf_event__process_exit, |
610 | .fork = perf_event__process_fork, | |
d20deb64 ACM |
611 | .lost = perf_event__process_lost, |
612 | .read = process_read_event, | |
613 | .attr = perf_event__process_attr, | |
614 | .event_type = perf_event__process_event_type, | |
615 | .tracing_data = perf_event__process_tracing_data, | |
616 | .build_id = perf_event__process_build_id, | |
617 | .ordered_samples = true, | |
618 | .ordering_requires_timestamps = true, | |
619 | }, | |
d20deb64 ACM |
620 | .pretty_printing_style = "normal", |
621 | }; | |
622 | const struct option options[] = { | |
70cb4e96 | 623 | OPT_STRING('i', "input", &input_name, "file", |
53cb8bc2 | 624 | "input file name"), |
c0555642 | 625 | OPT_INCR('v', "verbose", &verbose, |
815e777f | 626 | "be more verbose (show symbol address, etc)"), |
97b07b69 IM |
627 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
628 | "dump raw trace in ASCII"), | |
b32d133a ACM |
629 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
630 | "file", "vmlinux pathname"), | |
b226a5a7 DA |
631 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, |
632 | "file", "kallsyms pathname"), | |
fa372aae | 633 | OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"), |
b32d133a | 634 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, |
42976487 | 635 | "load module symbols - WARNING: use only with -k and LIVE kernel"), |
d599db3f | 636 | OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, |
e3d7e183 | 637 | "Show a column with the number of samples"), |
fa372aae | 638 | OPT_BOOLEAN('T', "threads", &report.show_threads, |
8d513270 | 639 | "Show per-thread event counters"), |
fa372aae | 640 | OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", |
9f866697 | 641 | "pretty printing style key: normal raw"), |
fa372aae | 642 | OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), |
c31a9457 | 643 | OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), |
fa372aae ACM |
644 | OPT_BOOLEAN(0, "stdio", &report.use_stdio, |
645 | "Use the stdio interface"), | |
63299f05 | 646 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
9811360e NK |
647 | "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline," |
648 | " dso_to, dso_from, symbol_to, symbol_from, mispredict"), | |
a1645ce1 ZY |
649 | OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, |
650 | "Show sample percentage for different cpu modes"), | |
b25bcf2f IM |
651 | OPT_STRING('p', "parent", &parent_pattern, "regex", |
652 | "regex filter to identify parent, see: '--sort parent'"), | |
d599db3f | 653 | OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, |
b8e6d829 | 654 | "Only display entries with parent-match"), |
6581f6e3 NK |
655 | OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order", |
656 | "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. " | |
d797fdc5 | 657 | "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt), |
fa372aae ACM |
658 | OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, |
659 | "alias for inverted call graph"), | |
655000e7 | 660 | OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
25903407 | 661 | "only consider symbols in these dsos"), |
c8e66720 | 662 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
cc8b88b1 | 663 | "only consider symbols in these comms"), |
655000e7 | 664 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
7bec7a91 | 665 | "only consider these symbols"), |
b14ffaca NK |
666 | OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", |
667 | "only show symbols that (partially) match with this filter"), | |
655000e7 | 668 | OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, |
52d422de ACM |
669 | "width[,width...]", |
670 | "don't try to adjust column width, use these fixed values"), | |
c410a338 | 671 | OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator", |
52d422de ACM |
672 | "separator for columns, no spaces will be added between " |
673 | "columns '.' is reserved."), | |
fa372aae | 674 | OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved, |
71289be7 | 675 | "Only display entries resolved to a symbol"), |
ec5761ea DA |
676 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", |
677 | "Look for files with symbols relative to this directory"), | |
c8e66720 | 678 | OPT_STRING('C', "cpu", &report.cpu_list, "cpu", |
fa372aae ACM |
679 | "list of cpus to profile"), |
680 | OPT_BOOLEAN('I', "show-info", &report.show_full_info, | |
fbe96f29 | 681 | "Display extended information about perf.data file"), |
64c6f0c7 ACM |
682 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, |
683 | "Interleave source code with assembly code (default)"), | |
684 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, | |
685 | "Display raw encoding of assembly instructions (default)"), | |
f69b64f7 AK |
686 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", |
687 | "Specify disassembler style (e.g. -M intel for intel syntax)"), | |
3f2728bd ACM |
688 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, |
689 | "Show a column with the sum of periods"), | |
01d14f16 NK |
690 | OPT_BOOLEAN(0, "group", &symbol_conf.event_group, |
691 | "Show event group information together"), | |
993ac88d SE |
692 | OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "", |
693 | "use branch records for histogram filling", parse_branch_mode), | |
7a4ec938 MB |
694 | OPT_STRING(0, "objdump", &objdump_path, "path", |
695 | "objdump binary to use for disassembly and annotations"), | |
53cb8bc2 | 696 | OPT_END() |
d20deb64 | 697 | }; |
53cb8bc2 | 698 | |
00c7e1f1 NK |
699 | perf_config(perf_report_config, NULL); |
700 | ||
655000e7 ACM |
701 | argc = parse_options(argc, argv, options, report_usage, 0); |
702 | ||
fa372aae | 703 | if (report.use_stdio) |
8b9e74eb | 704 | use_browser = 0; |
fa372aae | 705 | else if (report.use_tui) |
8b9e74eb | 706 | use_browser = 1; |
c31a9457 PE |
707 | else if (report.use_gtk) |
708 | use_browser = 2; | |
8b9e74eb | 709 | |
fa372aae | 710 | if (report.inverted_callchain) |
d797fdc5 SL |
711 | callchain_param.order = ORDER_CALLER; |
712 | ||
70cb4e96 | 713 | if (!input_name || !strlen(input_name)) { |
efad1415 | 714 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) |
70cb4e96 | 715 | input_name = "-"; |
efad1415 | 716 | else |
70cb4e96 | 717 | input_name = "perf.data"; |
efad1415 | 718 | } |
ad0de097 FT |
719 | |
720 | if (strcmp(input_name, "-") != 0) | |
721 | setup_browser(true); | |
722 | else { | |
723 | use_browser = 0; | |
724 | perf_hpp__column_enable(PERF_HPP__OVERHEAD); | |
725 | perf_hpp__init(); | |
726 | } | |
727 | ||
728 | repeat: | |
70cb4e96 | 729 | session = perf_session__new(input_name, O_RDONLY, |
993ac88d SE |
730 | report.force, false, &report.tool); |
731 | if (session == NULL) | |
732 | return -ENOMEM; | |
733 | ||
734 | report.session = session; | |
735 | ||
736 | has_br_stack = perf_header__has_feat(&session->header, | |
737 | HEADER_BRANCH_STACK); | |
efad1415 | 738 | |
993ac88d SE |
739 | if (sort__branch_mode == -1 && has_br_stack) |
740 | sort__branch_mode = 1; | |
741 | ||
a68c2c58 | 742 | /* sort__branch_mode could be 0 if --no-branch-stack */ |
993ac88d | 743 | if (sort__branch_mode == 1) { |
b50311dc | 744 | /* |
a68c2c58 SE |
745 | * if no sort_order is provided, then specify |
746 | * branch-mode specific order | |
b50311dc RAV |
747 | */ |
748 | if (sort_order == default_sort_order) | |
749 | sort_order = "comm,dso_from,symbol_from," | |
750 | "dso_to,symbol_to"; | |
751 | ||
a68c2c58 SE |
752 | } |
753 | ||
034a9265 NK |
754 | setup_sorting(report_usage, options); |
755 | ||
ef7b93a1 ACM |
756 | /* |
757 | * Only in the newt browser we are doing integrated annotation, | |
758 | * so don't allocate extra space that won't be used in the stdio | |
759 | * implementation. | |
760 | */ | |
034a9265 | 761 | if (use_browser == 1 && sort__has_sym) { |
78f7defe | 762 | symbol_conf.priv_size = sizeof(struct annotation); |
fa372aae | 763 | report.annotate_init = symbol__annotate_init; |
80d50cae ACM |
764 | /* |
765 | * For searching by name on the "Browse map details". | |
766 | * providing it only in verbose mode not to bloat too | |
767 | * much struct symbol. | |
768 | */ | |
769 | if (verbose) { | |
770 | /* | |
771 | * XXX: Need to provide a less kludgy way to ask for | |
772 | * more space per symbol, the u32 is for the index on | |
773 | * the ui browser. | |
774 | * See symbol__browser_index. | |
775 | */ | |
776 | symbol_conf.priv_size += sizeof(u32); | |
777 | symbol_conf.sort_by_name = true; | |
778 | } | |
779 | } | |
655000e7 | 780 | |
75be6cf4 | 781 | if (symbol__init() < 0) |
993ac88d | 782 | goto error; |
53cb8bc2 | 783 | |
021191b3 | 784 | if (parent_pattern != default_parent_pattern) { |
2aefa4f7 | 785 | if (sort_dimension__add("parent") < 0) |
993ac88d | 786 | goto error; |
cb1955b8 FW |
787 | |
788 | /* | |
789 | * Only show the parent fields if we explicitly | |
790 | * sort that way. If we only use parent machinery | |
791 | * for filtering, we don't want it. | |
792 | */ | |
793 | if (!strstr(sort_order, "parent")) | |
794 | sort_parent.elide = 1; | |
021191b3 | 795 | } else |
d599db3f | 796 | symbol_conf.exclude_other = false; |
b8e6d829 | 797 | |
6db6127c NK |
798 | if (argc) { |
799 | /* | |
800 | * Special case: if there's an argument left then assume that | |
801 | * it's a symbol filter: | |
802 | */ | |
803 | if (argc > 1) | |
804 | usage_with_options(report_usage, options); | |
805 | ||
806 | report.symbol_filter_str = argv[0]; | |
807 | } | |
edc52dea | 808 | |
655000e7 | 809 | sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); |
a68c2c58 SE |
810 | |
811 | if (sort__branch_mode == 1) { | |
812 | sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout); | |
813 | sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout); | |
814 | sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout); | |
815 | sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout); | |
816 | } else { | |
817 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); | |
818 | sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); | |
819 | } | |
25903407 | 820 | |
993ac88d | 821 | ret = __cmd_report(&report); |
ad0de097 FT |
822 | if (ret == K_SWITCH_INPUT_DATA) { |
823 | perf_session__delete(session); | |
824 | goto repeat; | |
825 | } else | |
826 | ret = 0; | |
827 | ||
993ac88d SE |
828 | error: |
829 | perf_session__delete(session); | |
830 | return ret; | |
53cb8bc2 | 831 | } |