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Commit | Line | Data |
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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" |
68e94f4e | 36 | #include "arch/common.h" |
6baa0a5a | 37 | |
5d67be97 AB |
38 | #include <linux/bitmap.h> |
39 | ||
d20deb64 | 40 | struct perf_report { |
45694aa7 | 41 | struct perf_tool tool; |
d20deb64 | 42 | struct perf_session *session; |
c31a9457 | 43 | bool force, use_tui, use_gtk, use_stdio; |
fa372aae ACM |
44 | bool hide_unresolved; |
45 | bool dont_use_callchains; | |
46 | bool show_full_info; | |
47 | bool show_threads; | |
48 | bool inverted_callchain; | |
f4f7e28d | 49 | bool mem_mode; |
fa372aae ACM |
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 | ||
f4f7e28d SE |
68 | static int perf_report__add_mem_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 | union perf_event *event) | |
74 | { | |
75 | struct perf_report *rep = container_of(tool, struct perf_report, tool); | |
76 | struct symbol *parent = NULL; | |
77 | u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
78 | int err = 0; | |
79 | struct hist_entry *he; | |
80 | struct mem_info *mi, *mx; | |
81 | uint64_t cost; | |
82 | ||
83 | if ((sort__has_parent || symbol_conf.use_callchain) && | |
84 | sample->callchain) { | |
85 | err = machine__resolve_callchain(machine, evsel, al->thread, | |
86 | sample, &parent); | |
87 | if (err) | |
88 | return err; | |
89 | } | |
90 | ||
91 | mi = machine__resolve_mem(machine, al->thread, sample, cpumode); | |
92 | if (!mi) | |
93 | return -ENOMEM; | |
94 | ||
95 | if (rep->hide_unresolved && !al->sym) | |
96 | return 0; | |
97 | ||
98 | cost = sample->weight; | |
99 | if (!cost) | |
100 | cost = 1; | |
101 | ||
102 | /* | |
103 | * must pass period=weight in order to get the correct | |
104 | * sorting from hists__collapse_resort() which is solely | |
105 | * based on periods. We want sorting be done on nr_events * weight | |
106 | * and this is indirectly achieved by passing period=weight here | |
107 | * and the he_stat__add_period() function. | |
108 | */ | |
109 | he = __hists__add_mem_entry(&evsel->hists, al, parent, mi, cost, cost); | |
110 | if (!he) | |
111 | return -ENOMEM; | |
112 | ||
113 | /* | |
6692c262 | 114 | * In the TUI browser, we are doing integrated annotation, |
f4f7e28d SE |
115 | * so we don't allocate the extra space needed because the stdio |
116 | * code will not use it. | |
117 | */ | |
118 | if (sort__has_sym && he->ms.sym && use_browser > 0) { | |
119 | struct annotation *notes = symbol__annotation(he->ms.sym); | |
120 | ||
121 | assert(evsel != NULL); | |
122 | ||
123 | if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0) | |
124 | goto out; | |
125 | ||
126 | err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); | |
127 | if (err) | |
128 | goto out; | |
129 | } | |
130 | ||
131 | if (sort__has_sym && he->mem_info->daddr.sym && use_browser > 0) { | |
132 | struct annotation *notes; | |
133 | ||
134 | mx = he->mem_info; | |
135 | ||
136 | notes = symbol__annotation(mx->daddr.sym); | |
137 | if (notes->src == NULL && symbol__alloc_hist(mx->daddr.sym) < 0) | |
138 | goto out; | |
139 | ||
140 | err = symbol__inc_addr_samples(mx->daddr.sym, | |
141 | mx->daddr.map, | |
142 | evsel->idx, | |
143 | mx->daddr.al_addr); | |
144 | if (err) | |
145 | goto out; | |
146 | } | |
147 | ||
148 | evsel->hists.stats.total_period += cost; | |
149 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); | |
150 | err = 0; | |
151 | ||
152 | if (symbol_conf.use_callchain) { | |
153 | err = callchain_append(he->callchain, | |
154 | &callchain_cursor, | |
155 | sample->period); | |
156 | } | |
157 | out: | |
158 | return err; | |
159 | } | |
160 | ||
b50311dc RAV |
161 | static int perf_report__add_branch_hist_entry(struct perf_tool *tool, |
162 | struct addr_location *al, | |
163 | struct perf_sample *sample, | |
164 | struct perf_evsel *evsel, | |
165 | struct machine *machine) | |
166 | { | |
167 | struct perf_report *rep = container_of(tool, struct perf_report, tool); | |
168 | struct symbol *parent = NULL; | |
169 | int err = 0; | |
170 | unsigned i; | |
171 | struct hist_entry *he; | |
a68c2c58 | 172 | struct branch_info *bi, *bx; |
b50311dc RAV |
173 | |
174 | if ((sort__has_parent || symbol_conf.use_callchain) | |
175 | && sample->callchain) { | |
71ad0f5e JO |
176 | err = machine__resolve_callchain(machine, evsel, al->thread, |
177 | sample, &parent); | |
b50311dc RAV |
178 | if (err) |
179 | return err; | |
180 | } | |
181 | ||
182 | bi = machine__resolve_bstack(machine, al->thread, | |
183 | sample->branch_stack); | |
184 | if (!bi) | |
185 | return -ENOMEM; | |
186 | ||
187 | for (i = 0; i < sample->branch_stack->nr; i++) { | |
188 | if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym)) | |
189 | continue; | |
26353a61 NK |
190 | |
191 | err = -ENOMEM; | |
192 | ||
b50311dc RAV |
193 | /* |
194 | * The report shows the percentage of total branches captured | |
195 | * and not events sampled. Thus we use a pseudo period of 1. | |
196 | */ | |
197 | he = __hists__add_branch_entry(&evsel->hists, al, parent, | |
05484298 | 198 | &bi[i], 1, 1); |
b50311dc | 199 | if (he) { |
a68c2c58 | 200 | struct annotation *notes; |
a68c2c58 | 201 | bx = he->branch_info; |
034a9265 | 202 | if (bx->from.sym && use_browser == 1 && sort__has_sym) { |
a68c2c58 SE |
203 | notes = symbol__annotation(bx->from.sym); |
204 | if (!notes->src | |
205 | && symbol__alloc_hist(bx->from.sym) < 0) | |
206 | goto out; | |
207 | ||
208 | err = symbol__inc_addr_samples(bx->from.sym, | |
209 | bx->from.map, | |
210 | evsel->idx, | |
211 | bx->from.al_addr); | |
212 | if (err) | |
213 | goto out; | |
214 | } | |
215 | ||
034a9265 | 216 | if (bx->to.sym && use_browser == 1 && sort__has_sym) { |
a68c2c58 SE |
217 | notes = symbol__annotation(bx->to.sym); |
218 | if (!notes->src | |
219 | && symbol__alloc_hist(bx->to.sym) < 0) | |
220 | goto out; | |
221 | ||
222 | err = symbol__inc_addr_samples(bx->to.sym, | |
223 | bx->to.map, | |
224 | evsel->idx, | |
225 | bx->to.al_addr); | |
226 | if (err) | |
227 | goto out; | |
228 | } | |
b50311dc RAV |
229 | evsel->hists.stats.total_period += 1; |
230 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); | |
231 | } else | |
26353a61 | 232 | goto out; |
b50311dc | 233 | } |
26353a61 | 234 | err = 0; |
a68c2c58 | 235 | out: |
26353a61 | 236 | free(bi); |
b50311dc RAV |
237 | return err; |
238 | } | |
239 | ||
743eb868 ACM |
240 | static int perf_evsel__add_hist_entry(struct perf_evsel *evsel, |
241 | struct addr_location *al, | |
242 | struct perf_sample *sample, | |
243 | struct machine *machine) | |
8fa66bdc | 244 | { |
b3c9ac08 | 245 | struct symbol *parent = NULL; |
1b3a0e95 | 246 | int err = 0; |
e7fb08b1 | 247 | struct hist_entry *he; |
e7fb08b1 | 248 | |
8d50e5b4 | 249 | if ((sort__has_parent || symbol_conf.use_callchain) && sample->callchain) { |
71ad0f5e JO |
250 | err = machine__resolve_callchain(machine, evsel, al->thread, |
251 | sample, &parent); | |
1b3a0e95 FW |
252 | if (err) |
253 | return err; | |
ad5b217b | 254 | } |
cbbc79a5 | 255 | |
05484298 AK |
256 | he = __hists__add_entry(&evsel->hists, al, parent, sample->period, |
257 | sample->weight); | |
9735abf1 | 258 | if (he == NULL) |
1b3a0e95 FW |
259 | return -ENOMEM; |
260 | ||
ef7b93a1 | 261 | if (symbol_conf.use_callchain) { |
246d4ce8 | 262 | err = callchain_append(he->callchain, |
47260645 | 263 | &callchain_cursor, |
8d50e5b4 | 264 | sample->period); |
ef7b93a1 | 265 | if (err) |
1b3a0e95 | 266 | return err; |
ef7b93a1 ACM |
267 | } |
268 | /* | |
6692c262 | 269 | * Only in the TUI browser we are doing integrated annotation, |
ef7b93a1 ACM |
270 | * so we don't allocated the extra space needed because the stdio |
271 | * code will not use it. | |
272 | */ | |
034a9265 | 273 | if (he->ms.sym != NULL && use_browser == 1 && sort__has_sym) { |
2f525d01 | 274 | struct annotation *notes = symbol__annotation(he->ms.sym); |
e248de33 ACM |
275 | |
276 | assert(evsel != NULL); | |
277 | ||
278 | err = -ENOMEM; | |
d04b35f8 | 279 | if (notes->src == NULL && symbol__alloc_hist(he->ms.sym) < 0) |
e248de33 ACM |
280 | goto out; |
281 | ||
282 | err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); | |
2f525d01 | 283 | } |
1b3a0e95 | 284 | |
e248de33 ACM |
285 | evsel->hists.stats.total_period += sample->period; |
286 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); | |
287 | out: | |
39d1e1b1 | 288 | return err; |
8fa66bdc ACM |
289 | } |
290 | ||
cbbc79a5 | 291 | |
45694aa7 | 292 | static int process_sample_event(struct perf_tool *tool, |
d20deb64 | 293 | union perf_event *event, |
8115d60c | 294 | struct perf_sample *sample, |
9e69c210 | 295 | struct perf_evsel *evsel, |
743eb868 | 296 | struct machine *machine) |
75051724 | 297 | { |
45694aa7 | 298 | struct perf_report *rep = container_of(tool, struct perf_report, tool); |
1ed091c4 | 299 | struct addr_location al; |
180f95e2 | 300 | |
743eb868 | 301 | if (perf_event__preprocess_sample(event, machine, &al, sample, |
fa372aae | 302 | rep->annotate_init) < 0) { |
c410a338 | 303 | fprintf(stderr, "problem processing %d event, skipping it.\n", |
75051724 IM |
304 | event->header.type); |
305 | return -1; | |
306 | } | |
e7fb08b1 | 307 | |
fa372aae | 308 | if (al.filtered || (rep->hide_unresolved && al.sym == NULL)) |
ec218fc4 | 309 | return 0; |
7bec7a91 | 310 | |
fa372aae | 311 | if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) |
5d67be97 AB |
312 | return 0; |
313 | ||
55369fc1 | 314 | if (sort__mode == SORT_MODE__BRANCH) { |
b50311dc RAV |
315 | if (perf_report__add_branch_hist_entry(tool, &al, sample, |
316 | evsel, machine)) { | |
317 | pr_debug("problem adding lbr entry, skipping event\n"); | |
318 | return -1; | |
319 | } | |
f4f7e28d SE |
320 | } else if (rep->mem_mode == 1) { |
321 | if (perf_report__add_mem_hist_entry(tool, &al, sample, | |
322 | evsel, machine, event)) { | |
323 | pr_debug("problem adding mem entry, skipping event\n"); | |
324 | return -1; | |
325 | } | |
b50311dc RAV |
326 | } else { |
327 | if (al.map != NULL) | |
328 | al.map->dso->hit = 1; | |
ec80fde7 | 329 | |
b50311dc RAV |
330 | if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) { |
331 | pr_debug("problem incrementing symbol period, skipping event\n"); | |
332 | return -1; | |
333 | } | |
8fa66bdc | 334 | } |
75051724 IM |
335 | return 0; |
336 | } | |
3502973d | 337 | |
45694aa7 | 338 | static int process_read_event(struct perf_tool *tool, |
d20deb64 | 339 | union perf_event *event, |
1d037ca1 | 340 | struct perf_sample *sample __maybe_unused, |
743eb868 | 341 | struct perf_evsel *evsel, |
1d037ca1 | 342 | struct machine *machine __maybe_unused) |
e9ea2fde | 343 | { |
45694aa7 | 344 | struct perf_report *rep = container_of(tool, struct perf_report, tool); |
743eb868 | 345 | |
fa372aae | 346 | if (rep->show_threads) { |
7289f83c | 347 | const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; |
fa372aae | 348 | perf_read_values_add_value(&rep->show_threads_values, |
8d513270 BG |
349 | event->read.pid, event->read.tid, |
350 | event->read.id, | |
351 | name, | |
352 | event->read.value); | |
353 | } | |
354 | ||
9486aa38 | 355 | dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid, |
7289f83c | 356 | evsel ? perf_evsel__name(evsel) : "FAIL", |
62daacb5 | 357 | event->read.value); |
e9ea2fde PZ |
358 | |
359 | return 0; | |
360 | } | |
361 | ||
300aa941 | 362 | /* For pipe mode, sample_type is not currently set */ |
d20deb64 | 363 | static int perf_report__setup_sample_type(struct perf_report *rep) |
d80d338d | 364 | { |
d20deb64 | 365 | struct perf_session *self = rep->session; |
7f3be652 | 366 | u64 sample_type = perf_evlist__sample_type(self->evlist); |
d20deb64 | 367 | |
7f3be652 | 368 | if (!self->fd_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { |
91b4eaea | 369 | if (sort__has_parent) { |
3780f488 | 370 | ui__error("Selected --sort parent, but no " |
00894ce9 ACM |
371 | "callchain data. Did you call " |
372 | "'perf record' without -g?\n"); | |
d549c769 | 373 | return -EINVAL; |
91b4eaea | 374 | } |
d599db3f | 375 | if (symbol_conf.use_callchain) { |
3780f488 | 376 | ui__error("Selected -g but no callchain data. Did " |
00894ce9 | 377 | "you call 'perf record' without -g?\n"); |
016e92fb | 378 | return -1; |
91b4eaea | 379 | } |
fa372aae ACM |
380 | } else if (!rep->dont_use_callchains && |
381 | callchain_param.mode != CHAIN_NONE && | |
b9a63b9b | 382 | !symbol_conf.use_callchain) { |
d599db3f | 383 | symbol_conf.use_callchain = true; |
16537f13 | 384 | if (callchain_register_param(&callchain_param) < 0) { |
3780f488 | 385 | ui__error("Can't register callchain params.\n"); |
d549c769 | 386 | return -EINVAL; |
b1a88349 | 387 | } |
f5970550 PZ |
388 | } |
389 | ||
55369fc1 | 390 | if (sort__mode == SORT_MODE__BRANCH) { |
300aa941 | 391 | if (!self->fd_pipe && |
7f3be652 | 392 | !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { |
3780f488 NK |
393 | ui__error("Selected -b but no branch data. " |
394 | "Did you call perf record without -b?\n"); | |
b50311dc RAV |
395 | return -1; |
396 | } | |
397 | } | |
398 | ||
016e92fb FW |
399 | return 0; |
400 | } | |
6142f9ec | 401 | |
46656ac7 TZ |
402 | extern volatile int session_done; |
403 | ||
1d037ca1 | 404 | static void sig_handler(int sig __maybe_unused) |
46656ac7 TZ |
405 | { |
406 | session_done = 1; | |
407 | } | |
408 | ||
f4f7e28d SE |
409 | static size_t hists__fprintf_nr_sample_events(struct perf_report *rep, |
410 | struct hists *self, | |
c82ee828 ACM |
411 | const char *evname, FILE *fp) |
412 | { | |
413 | size_t ret; | |
414 | char unit; | |
cc686280 AR |
415 | unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE]; |
416 | u64 nr_events = self->stats.total_period; | |
717e263f NK |
417 | struct perf_evsel *evsel = hists_to_evsel(self); |
418 | char buf[512]; | |
419 | size_t size = sizeof(buf); | |
420 | ||
759ff497 | 421 | if (perf_evsel__is_group_event(evsel)) { |
717e263f NK |
422 | struct perf_evsel *pos; |
423 | ||
424 | perf_evsel__group_desc(evsel, buf, size); | |
425 | evname = buf; | |
426 | ||
427 | for_each_group_member(pos, evsel) { | |
428 | nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE]; | |
429 | nr_events += pos->hists.stats.total_period; | |
430 | } | |
431 | } | |
c82ee828 | 432 | |
cc686280 AR |
433 | nr_samples = convert_unit(nr_samples, &unit); |
434 | ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); | |
c82ee828 | 435 | if (evname != NULL) |
cc686280 AR |
436 | ret += fprintf(fp, " of event '%s'", evname); |
437 | ||
f4f7e28d SE |
438 | if (rep->mem_mode) { |
439 | ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); | |
440 | ret += fprintf(fp, "\n# Sort order : %s", sort_order); | |
441 | } else | |
442 | ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); | |
c82ee828 ACM |
443 | return ret + fprintf(fp, "\n#\n"); |
444 | } | |
445 | ||
7f0030b2 | 446 | static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, |
d20deb64 | 447 | struct perf_report *rep, |
7f0030b2 | 448 | const char *help) |
d67f088e | 449 | { |
e248de33 | 450 | struct perf_evsel *pos; |
d67f088e | 451 | |
e248de33 ACM |
452 | list_for_each_entry(pos, &evlist->entries, node) { |
453 | struct hists *hists = &pos->hists; | |
7289f83c | 454 | const char *evname = perf_evsel__name(pos); |
d67f088e | 455 | |
fc24d7c2 NK |
456 | if (symbol_conf.event_group && |
457 | !perf_evsel__is_group_leader(pos)) | |
458 | continue; | |
459 | ||
f4f7e28d | 460 | hists__fprintf_nr_sample_events(rep, hists, evname, stdout); |
41724e4c | 461 | hists__fprintf(hists, true, 0, 0, stdout); |
d67f088e | 462 | fprintf(stdout, "\n\n"); |
d67f088e ACM |
463 | } |
464 | ||
465 | if (sort_order == default_sort_order && | |
466 | parent_pattern == default_parent_pattern) { | |
467 | fprintf(stdout, "#\n# (%s)\n#\n", help); | |
468 | ||
fa372aae ACM |
469 | if (rep->show_threads) { |
470 | bool style = !strcmp(rep->pretty_printing_style, "raw"); | |
471 | perf_read_values_display(stdout, &rep->show_threads_values, | |
d67f088e | 472 | style); |
fa372aae | 473 | perf_read_values_destroy(&rep->show_threads_values); |
d67f088e ACM |
474 | } |
475 | } | |
476 | ||
477 | return 0; | |
478 | } | |
479 | ||
d20deb64 | 480 | static int __cmd_report(struct perf_report *rep) |
016e92fb | 481 | { |
d549c769 | 482 | int ret = -EINVAL; |
e248de33 | 483 | u64 nr_samples; |
993ac88d | 484 | struct perf_session *session = rep->session; |
e248de33 | 485 | struct perf_evsel *pos; |
ec80fde7 ACM |
486 | struct map *kernel_map; |
487 | struct kmap *kernel_kmap; | |
f9224c5c | 488 | const char *help = "For a higher level overview, try: perf report --sort comm,dso"; |
8fa66bdc | 489 | |
46656ac7 TZ |
490 | signal(SIGINT, sig_handler); |
491 | ||
fa372aae ACM |
492 | if (rep->cpu_list) { |
493 | ret = perf_session__cpu_bitmap(session, rep->cpu_list, | |
494 | rep->cpu_bitmap); | |
5d67be97 AB |
495 | if (ret) |
496 | goto out_delete; | |
497 | } | |
498 | ||
fbe96f29 | 499 | if (use_browser <= 0) |
fa372aae | 500 | perf_session__fprintf_info(session, stdout, rep->show_full_info); |
fbe96f29 | 501 | |
fa372aae ACM |
502 | if (rep->show_threads) |
503 | perf_read_values_init(&rep->show_threads_values); | |
f5970550 | 504 | |
d20deb64 | 505 | ret = perf_report__setup_sample_type(rep); |
d549c769 ACM |
506 | if (ret) |
507 | goto out_delete; | |
508 | ||
45694aa7 | 509 | ret = perf_session__process_events(session, &rep->tool); |
016e92fb | 510 | if (ret) |
94c744b6 | 511 | goto out_delete; |
97b07b69 | 512 | |
876650e6 | 513 | kernel_map = session->machines.host.vmlinux_maps[MAP__FUNCTION]; |
ec80fde7 ACM |
514 | kernel_kmap = map__kmap(kernel_map); |
515 | if (kernel_map == NULL || | |
516 | (kernel_map->dso->hit && | |
517 | (kernel_kmap->ref_reloc_sym == NULL || | |
518 | kernel_kmap->ref_reloc_sym->addr == 0))) { | |
9e755756 DA |
519 | const char *desc = |
520 | "As no suitable kallsyms nor vmlinux was found, kernel samples\n" | |
521 | "can't be resolved."; | |
522 | ||
523 | if (kernel_map) { | |
524 | const struct dso *kdso = kernel_map->dso; | |
525 | if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) { | |
526 | desc = "If some relocation was applied (e.g. " | |
527 | "kexec) symbols may be misresolved."; | |
528 | } | |
529 | } | |
ec80fde7 | 530 | |
646aaea6 ACM |
531 | ui__warning( |
532 | "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" | |
533 | "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" | |
534 | "Samples in kernel modules can't be resolved as well.\n\n", | |
9e755756 | 535 | desc); |
ec80fde7 ACM |
536 | } |
537 | ||
da21d1b5 | 538 | if (verbose > 3) |
b3165f41 | 539 | perf_session__fprintf(session, stdout); |
9ac99545 | 540 | |
da21d1b5 | 541 | if (verbose > 2) |
cbf69680 | 542 | perf_session__fprintf_dsos(session, stdout); |
16f762a2 | 543 | |
71ad0f5e JO |
544 | if (dump_trace) { |
545 | perf_session__fprintf_nr_events(session, stdout); | |
546 | goto out_delete; | |
547 | } | |
548 | ||
e248de33 ACM |
549 | nr_samples = 0; |
550 | list_for_each_entry(pos, &session->evlist->entries, node) { | |
551 | struct hists *hists = &pos->hists; | |
cbbc79a5 | 552 | |
b14ffaca NK |
553 | if (pos->idx == 0) |
554 | hists->symbol_filter_str = rep->symbol_filter_str; | |
555 | ||
1c02c4d2 | 556 | hists__collapse_resort(hists); |
e248de33 | 557 | nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE]; |
6e1f601a NK |
558 | |
559 | /* Non-group events are considered as leader */ | |
560 | if (symbol_conf.event_group && | |
561 | !perf_evsel__is_group_leader(pos)) { | |
562 | struct hists *leader_hists = &pos->leader->hists; | |
563 | ||
564 | hists__match(leader_hists, hists); | |
565 | hists__link(leader_hists, hists); | |
566 | } | |
e248de33 ACM |
567 | } |
568 | ||
569 | if (nr_samples == 0) { | |
3780f488 | 570 | ui__error("The %s file has no samples!\n", session->filename); |
e248de33 | 571 | goto out_delete; |
cbbc79a5 EM |
572 | } |
573 | ||
6e1f601a NK |
574 | list_for_each_entry(pos, &session->evlist->entries, node) |
575 | hists__output_resort(&pos->hists); | |
576 | ||
81cce8de | 577 | if (use_browser > 0) { |
c31a9457 | 578 | if (use_browser == 1) { |
ad0de097 FT |
579 | ret = perf_evlist__tui_browse_hists(session->evlist, |
580 | help, | |
581 | NULL, | |
582 | &session->header.env); | |
583 | /* | |
584 | * Usually "ret" is the last pressed key, and we only | |
585 | * care if the key notifies us to switch data file. | |
586 | */ | |
587 | if (ret != K_SWITCH_INPUT_DATA) | |
588 | ret = 0; | |
589 | ||
c31a9457 PE |
590 | } else if (use_browser == 2) { |
591 | perf_evlist__gtk_browse_hists(session->evlist, help, | |
9783adf7 | 592 | NULL); |
c31a9457 | 593 | } |
81cce8de | 594 | } else |
d20deb64 | 595 | perf_evlist__tty_browse_hists(session->evlist, rep, help); |
3e6055ab | 596 | |
94c744b6 | 597 | out_delete: |
71e7cf3a ACM |
598 | /* |
599 | * Speed up the exit process, for large files this can | |
600 | * take quite a while. | |
601 | * | |
602 | * XXX Enable this when using valgrind or if we ever | |
603 | * librarize this command. | |
604 | * | |
605 | * Also experiment with obstacks to see how much speed | |
606 | * up we'll get here. | |
607 | * | |
608 | * perf_session__delete(session); | |
609 | */ | |
016e92fb | 610 | return ret; |
8fa66bdc ACM |
611 | } |
612 | ||
4eb3e478 | 613 | static int |
d20deb64 | 614 | parse_callchain_opt(const struct option *opt, const char *arg, int unset) |
4eb3e478 | 615 | { |
d20deb64 | 616 | struct perf_report *rep = (struct perf_report *)opt->value; |
232a5c94 | 617 | char *tok, *tok2; |
c20ab37e FW |
618 | char *endptr; |
619 | ||
b9a63b9b ACM |
620 | /* |
621 | * --no-call-graph | |
622 | */ | |
623 | if (unset) { | |
fa372aae | 624 | rep->dont_use_callchains = true; |
b9a63b9b ACM |
625 | return 0; |
626 | } | |
627 | ||
d599db3f | 628 | symbol_conf.use_callchain = true; |
4eb3e478 FW |
629 | |
630 | if (!arg) | |
631 | return 0; | |
632 | ||
c20ab37e FW |
633 | tok = strtok((char *)arg, ","); |
634 | if (!tok) | |
635 | return -1; | |
636 | ||
637 | /* get the output mode */ | |
638 | if (!strncmp(tok, "graph", strlen(arg))) | |
805d127d | 639 | callchain_param.mode = CHAIN_GRAPH_ABS; |
4eb3e478 | 640 | |
c20ab37e | 641 | else if (!strncmp(tok, "flat", strlen(arg))) |
805d127d FW |
642 | callchain_param.mode = CHAIN_FLAT; |
643 | ||
644 | else if (!strncmp(tok, "fractal", strlen(arg))) | |
645 | callchain_param.mode = CHAIN_GRAPH_REL; | |
646 | ||
b1a88349 FW |
647 | else if (!strncmp(tok, "none", strlen(arg))) { |
648 | callchain_param.mode = CHAIN_NONE; | |
b7ae11b3 | 649 | symbol_conf.use_callchain = false; |
b1a88349 FW |
650 | |
651 | return 0; | |
652 | } | |
653 | ||
4eb3e478 FW |
654 | else |
655 | return -1; | |
656 | ||
c20ab37e FW |
657 | /* get the min percentage */ |
658 | tok = strtok(NULL, ","); | |
659 | if (!tok) | |
805d127d | 660 | goto setup; |
c20ab37e | 661 | |
805d127d | 662 | callchain_param.min_percent = strtod(tok, &endptr); |
c20ab37e FW |
663 | if (tok == endptr) |
664 | return -1; | |
665 | ||
d797fdc5 SL |
666 | /* get the print limit */ |
667 | tok2 = strtok(NULL, ","); | |
668 | if (!tok2) | |
669 | goto setup; | |
670 | ||
671 | if (tok2[0] != 'c') { | |
6581f6e3 | 672 | callchain_param.print_limit = strtoul(tok2, &endptr, 0); |
d797fdc5 SL |
673 | tok2 = strtok(NULL, ","); |
674 | if (!tok2) | |
675 | goto setup; | |
676 | } | |
677 | ||
678 | /* get the call chain order */ | |
679 | if (!strcmp(tok2, "caller")) | |
680 | callchain_param.order = ORDER_CALLER; | |
681 | else if (!strcmp(tok2, "callee")) | |
682 | callchain_param.order = ORDER_CALLEE; | |
683 | else | |
684 | return -1; | |
805d127d | 685 | setup: |
16537f13 | 686 | if (callchain_register_param(&callchain_param) < 0) { |
805d127d FW |
687 | fprintf(stderr, "Can't register callchain params\n"); |
688 | return -1; | |
689 | } | |
4eb3e478 FW |
690 | return 0; |
691 | } | |
692 | ||
993ac88d | 693 | static int |
1d037ca1 IT |
694 | parse_branch_mode(const struct option *opt __maybe_unused, |
695 | const char *str __maybe_unused, int unset) | |
993ac88d | 696 | { |
55369fc1 NK |
697 | int *branch_mode = opt->value; |
698 | ||
699 | *branch_mode = !unset; | |
993ac88d SE |
700 | return 0; |
701 | } | |
702 | ||
1d037ca1 | 703 | int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) |
d20deb64 | 704 | { |
993ac88d | 705 | struct perf_session *session; |
efad1415 | 706 | struct stat st; |
993ac88d | 707 | bool has_br_stack = false; |
55369fc1 | 708 | int branch_mode = -1; |
993ac88d | 709 | int ret = -1; |
d20deb64 ACM |
710 | char callchain_default_opt[] = "fractal,0.5,callee"; |
711 | const char * const report_usage[] = { | |
fb2baceb | 712 | "perf report [<options>]", |
d20deb64 ACM |
713 | NULL |
714 | }; | |
715 | struct perf_report report = { | |
45694aa7 | 716 | .tool = { |
d20deb64 ACM |
717 | .sample = process_sample_event, |
718 | .mmap = perf_event__process_mmap, | |
719 | .comm = perf_event__process_comm, | |
f62d3f0f ACM |
720 | .exit = perf_event__process_exit, |
721 | .fork = perf_event__process_fork, | |
d20deb64 ACM |
722 | .lost = perf_event__process_lost, |
723 | .read = process_read_event, | |
724 | .attr = perf_event__process_attr, | |
725 | .event_type = perf_event__process_event_type, | |
726 | .tracing_data = perf_event__process_tracing_data, | |
727 | .build_id = perf_event__process_build_id, | |
728 | .ordered_samples = true, | |
729 | .ordering_requires_timestamps = true, | |
730 | }, | |
d20deb64 ACM |
731 | .pretty_printing_style = "normal", |
732 | }; | |
733 | const struct option options[] = { | |
70cb4e96 | 734 | OPT_STRING('i', "input", &input_name, "file", |
53cb8bc2 | 735 | "input file name"), |
c0555642 | 736 | OPT_INCR('v', "verbose", &verbose, |
815e777f | 737 | "be more verbose (show symbol address, etc)"), |
97b07b69 IM |
738 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
739 | "dump raw trace in ASCII"), | |
b32d133a ACM |
740 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
741 | "file", "vmlinux pathname"), | |
b226a5a7 DA |
742 | OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, |
743 | "file", "kallsyms pathname"), | |
fa372aae | 744 | OPT_BOOLEAN('f', "force", &report.force, "don't complain, do it"), |
b32d133a | 745 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, |
42976487 | 746 | "load module symbols - WARNING: use only with -k and LIVE kernel"), |
d599db3f | 747 | OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, |
e3d7e183 | 748 | "Show a column with the number of samples"), |
fa372aae | 749 | OPT_BOOLEAN('T', "threads", &report.show_threads, |
8d513270 | 750 | "Show per-thread event counters"), |
fa372aae | 751 | OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", |
9f866697 | 752 | "pretty printing style key: normal raw"), |
fa372aae | 753 | OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), |
c31a9457 | 754 | OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), |
fa372aae ACM |
755 | OPT_BOOLEAN(0, "stdio", &report.use_stdio, |
756 | "Use the stdio interface"), | |
63299f05 | 757 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
9811360e | 758 | "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline," |
05484298 | 759 | " dso_to, dso_from, symbol_to, symbol_from, mispredict," |
f4f7e28d SE |
760 | " weight, local_weight, mem, symbol_daddr, dso_daddr, tlb, " |
761 | "snoop, locked"), | |
a1645ce1 ZY |
762 | OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, |
763 | "Show sample percentage for different cpu modes"), | |
b25bcf2f IM |
764 | OPT_STRING('p', "parent", &parent_pattern, "regex", |
765 | "regex filter to identify parent, see: '--sort parent'"), | |
d599db3f | 766 | OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, |
b8e6d829 | 767 | "Only display entries with parent-match"), |
6581f6e3 NK |
768 | OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order", |
769 | "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit and callchain order. " | |
d797fdc5 | 770 | "Default: fractal,0.5,callee", &parse_callchain_opt, callchain_default_opt), |
fa372aae ACM |
771 | OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, |
772 | "alias for inverted call graph"), | |
655000e7 | 773 | OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
25903407 | 774 | "only consider symbols in these dsos"), |
c8e66720 | 775 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
cc8b88b1 | 776 | "only consider symbols in these comms"), |
655000e7 | 777 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
7bec7a91 | 778 | "only consider these symbols"), |
b14ffaca NK |
779 | OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", |
780 | "only show symbols that (partially) match with this filter"), | |
655000e7 | 781 | OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, |
52d422de ACM |
782 | "width[,width...]", |
783 | "don't try to adjust column width, use these fixed values"), | |
c410a338 | 784 | OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator", |
52d422de ACM |
785 | "separator for columns, no spaces will be added between " |
786 | "columns '.' is reserved."), | |
fa372aae | 787 | OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved, |
71289be7 | 788 | "Only display entries resolved to a symbol"), |
ec5761ea DA |
789 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", |
790 | "Look for files with symbols relative to this directory"), | |
c8e66720 | 791 | OPT_STRING('C', "cpu", &report.cpu_list, "cpu", |
fa372aae ACM |
792 | "list of cpus to profile"), |
793 | OPT_BOOLEAN('I', "show-info", &report.show_full_info, | |
fbe96f29 | 794 | "Display extended information about perf.data file"), |
64c6f0c7 ACM |
795 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, |
796 | "Interleave source code with assembly code (default)"), | |
797 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, | |
798 | "Display raw encoding of assembly instructions (default)"), | |
f69b64f7 AK |
799 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", |
800 | "Specify disassembler style (e.g. -M intel for intel syntax)"), | |
3f2728bd ACM |
801 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, |
802 | "Show a column with the sum of periods"), | |
01d14f16 NK |
803 | OPT_BOOLEAN(0, "group", &symbol_conf.event_group, |
804 | "Show event group information together"), | |
55369fc1 | 805 | OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", |
993ac88d | 806 | "use branch records for histogram filling", parse_branch_mode), |
7a4ec938 MB |
807 | OPT_STRING(0, "objdump", &objdump_path, "path", |
808 | "objdump binary to use for disassembly and annotations"), | |
328ccdac NK |
809 | OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, |
810 | "Disable symbol demangling"), | |
f4f7e28d | 811 | OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), |
53cb8bc2 | 812 | OPT_END() |
d20deb64 | 813 | }; |
53cb8bc2 | 814 | |
00c7e1f1 NK |
815 | perf_config(perf_report_config, NULL); |
816 | ||
655000e7 ACM |
817 | argc = parse_options(argc, argv, options, report_usage, 0); |
818 | ||
fa372aae | 819 | if (report.use_stdio) |
8b9e74eb | 820 | use_browser = 0; |
fa372aae | 821 | else if (report.use_tui) |
8b9e74eb | 822 | use_browser = 1; |
c31a9457 PE |
823 | else if (report.use_gtk) |
824 | use_browser = 2; | |
8b9e74eb | 825 | |
fa372aae | 826 | if (report.inverted_callchain) |
d797fdc5 SL |
827 | callchain_param.order = ORDER_CALLER; |
828 | ||
70cb4e96 | 829 | if (!input_name || !strlen(input_name)) { |
efad1415 | 830 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) |
70cb4e96 | 831 | input_name = "-"; |
efad1415 | 832 | else |
70cb4e96 | 833 | input_name = "perf.data"; |
efad1415 | 834 | } |
ad0de097 FT |
835 | |
836 | if (strcmp(input_name, "-") != 0) | |
837 | setup_browser(true); | |
838 | else { | |
839 | use_browser = 0; | |
840 | perf_hpp__column_enable(PERF_HPP__OVERHEAD); | |
841 | perf_hpp__init(); | |
842 | } | |
843 | ||
844 | repeat: | |
70cb4e96 | 845 | session = perf_session__new(input_name, O_RDONLY, |
993ac88d SE |
846 | report.force, false, &report.tool); |
847 | if (session == NULL) | |
848 | return -ENOMEM; | |
849 | ||
850 | report.session = session; | |
851 | ||
852 | has_br_stack = perf_header__has_feat(&session->header, | |
853 | HEADER_BRANCH_STACK); | |
efad1415 | 854 | |
55369fc1 NK |
855 | if (branch_mode == -1 && has_br_stack) |
856 | sort__mode = SORT_MODE__BRANCH; | |
993ac88d | 857 | |
55369fc1 NK |
858 | /* sort__mode could be NORMAL if --no-branch-stack */ |
859 | if (sort__mode == SORT_MODE__BRANCH) { | |
b50311dc | 860 | /* |
a68c2c58 SE |
861 | * if no sort_order is provided, then specify |
862 | * branch-mode specific order | |
b50311dc RAV |
863 | */ |
864 | if (sort_order == default_sort_order) | |
865 | sort_order = "comm,dso_from,symbol_from," | |
866 | "dso_to,symbol_to"; | |
867 | ||
a68c2c58 | 868 | } |
f4f7e28d | 869 | if (report.mem_mode) { |
55369fc1 | 870 | if (sort__mode == SORT_MODE__BRANCH) { |
f4f7e28d SE |
871 | fprintf(stderr, "branch and mem mode incompatible\n"); |
872 | goto error; | |
873 | } | |
874 | /* | |
875 | * if no sort_order is provided, then specify | |
876 | * branch-mode specific order | |
877 | */ | |
878 | if (sort_order == default_sort_order) | |
879 | sort_order = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked"; | |
880 | } | |
a68c2c58 | 881 | |
55309985 NK |
882 | if (setup_sorting() < 0) |
883 | usage_with_options(report_usage, options); | |
034a9265 | 884 | |
ef7b93a1 | 885 | /* |
6692c262 | 886 | * Only in the TUI browser we are doing integrated annotation, |
ef7b93a1 ACM |
887 | * so don't allocate extra space that won't be used in the stdio |
888 | * implementation. | |
889 | */ | |
034a9265 | 890 | if (use_browser == 1 && sort__has_sym) { |
78f7defe | 891 | symbol_conf.priv_size = sizeof(struct annotation); |
fa372aae | 892 | report.annotate_init = symbol__annotate_init; |
80d50cae ACM |
893 | /* |
894 | * For searching by name on the "Browse map details". | |
895 | * providing it only in verbose mode not to bloat too | |
896 | * much struct symbol. | |
897 | */ | |
898 | if (verbose) { | |
899 | /* | |
900 | * XXX: Need to provide a less kludgy way to ask for | |
901 | * more space per symbol, the u32 is for the index on | |
902 | * the ui browser. | |
903 | * See symbol__browser_index. | |
904 | */ | |
905 | symbol_conf.priv_size += sizeof(u32); | |
906 | symbol_conf.sort_by_name = true; | |
907 | } | |
908 | } | |
655000e7 | 909 | |
75be6cf4 | 910 | if (symbol__init() < 0) |
993ac88d | 911 | goto error; |
53cb8bc2 | 912 | |
021191b3 | 913 | if (parent_pattern != default_parent_pattern) { |
2aefa4f7 | 914 | if (sort_dimension__add("parent") < 0) |
993ac88d | 915 | goto error; |
cb1955b8 FW |
916 | |
917 | /* | |
918 | * Only show the parent fields if we explicitly | |
919 | * sort that way. If we only use parent machinery | |
920 | * for filtering, we don't want it. | |
921 | */ | |
922 | if (!strstr(sort_order, "parent")) | |
923 | sort_parent.elide = 1; | |
021191b3 | 924 | } else |
d599db3f | 925 | symbol_conf.exclude_other = false; |
b8e6d829 | 926 | |
6db6127c NK |
927 | if (argc) { |
928 | /* | |
929 | * Special case: if there's an argument left then assume that | |
930 | * it's a symbol filter: | |
931 | */ | |
932 | if (argc > 1) | |
933 | usage_with_options(report_usage, options); | |
934 | ||
935 | report.symbol_filter_str = argv[0]; | |
936 | } | |
edc52dea | 937 | |
655000e7 | 938 | sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); |
a68c2c58 | 939 | |
55369fc1 | 940 | if (sort__mode == SORT_MODE__BRANCH) { |
a68c2c58 SE |
941 | sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout); |
942 | sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout); | |
943 | sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout); | |
944 | sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout); | |
945 | } else { | |
f4f7e28d SE |
946 | if (report.mem_mode) { |
947 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "symbol_daddr", stdout); | |
948 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso_daddr", stdout); | |
949 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "mem", stdout); | |
950 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "local_weight", stdout); | |
951 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "tlb", stdout); | |
952 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "snoop", stdout); | |
953 | } | |
a68c2c58 SE |
954 | sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); |
955 | sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); | |
956 | } | |
25903407 | 957 | |
993ac88d | 958 | ret = __cmd_report(&report); |
ad0de097 FT |
959 | if (ret == K_SWITCH_INPUT_DATA) { |
960 | perf_session__delete(session); | |
961 | goto repeat; | |
962 | } else | |
963 | ret = 0; | |
964 | ||
993ac88d SE |
965 | error: |
966 | perf_session__delete(session); | |
967 | return ret; | |
53cb8bc2 | 968 | } |