Commit | Line | Data |
---|---|---|
bf9e1876 IM |
1 | /* |
2 | * builtin-report.c | |
3 | * | |
4 | * Builtin report command: Analyze the perf.data input file, | |
5 | * look up and read DSOs and symbol information and display | |
6 | * a histogram of results, along various sorting keys. | |
7 | */ | |
16f762a2 | 8 | #include "builtin.h" |
53cb8bc2 | 9 | |
bf9e1876 | 10 | #include "util/util.h" |
00c7e1f1 | 11 | #include "util/cache.h" |
bf9e1876 | 12 | |
78f7defe | 13 | #include "util/annotate.h" |
8fc0321f | 14 | #include "util/color.h" |
5da50258 | 15 | #include <linux/list.h> |
43cbcd8a | 16 | #include <linux/rbtree.h> |
a2928c42 | 17 | #include "util/symbol.h" |
f55c5552 | 18 | #include "util/callchain.h" |
25903407 | 19 | #include "util/strlist.h" |
8d513270 | 20 | #include "util/values.h" |
8fa66bdc | 21 | |
53cb8bc2 | 22 | #include "perf.h" |
8f28827a | 23 | #include "util/debug.h" |
e248de33 ACM |
24 | #include "util/evlist.h" |
25 | #include "util/evsel.h" | |
7c6a1c65 | 26 | #include "util/header.h" |
94c744b6 | 27 | #include "util/session.h" |
45694aa7 | 28 | #include "util/tool.h" |
53cb8bc2 IM |
29 | |
30 | #include "util/parse-options.h" | |
31 | #include "util/parse-events.h" | |
32 | ||
6baa0a5a | 33 | #include "util/thread.h" |
dd68ada2 | 34 | #include "util/sort.h" |
3d1d07ec | 35 | #include "util/hist.h" |
f5fc1412 | 36 | #include "util/data.h" |
68e94f4e | 37 | #include "arch/common.h" |
6baa0a5a | 38 | |
fc67297b | 39 | #include <dlfcn.h> |
5d67be97 AB |
40 | #include <linux/bitmap.h> |
41 | ||
28b21393 | 42 | struct report { |
45694aa7 | 43 | struct perf_tool tool; |
d20deb64 | 44 | struct perf_session *session; |
c31a9457 | 45 | bool force, use_tui, use_gtk, use_stdio; |
fa372aae ACM |
46 | bool hide_unresolved; |
47 | bool dont_use_callchains; | |
48 | bool show_full_info; | |
49 | bool show_threads; | |
50 | bool inverted_callchain; | |
f4f7e28d | 51 | bool mem_mode; |
5cfe2c82 JO |
52 | bool header; |
53 | bool header_only; | |
91e95617 | 54 | int max_stack; |
fa372aae ACM |
55 | struct perf_read_values show_threads_values; |
56 | const char *pretty_printing_style; | |
fa372aae | 57 | const char *cpu_list; |
b14ffaca | 58 | const char *symbol_filter_str; |
064f1981 | 59 | float min_percent; |
fa372aae | 60 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); |
d20deb64 | 61 | }; |
5d67be97 | 62 | |
28b21393 | 63 | static int report__config(const char *var, const char *value, void *cb) |
00c7e1f1 NK |
64 | { |
65 | if (!strcmp(var, "report.group")) { | |
66 | symbol_conf.event_group = perf_config_bool(var, value); | |
67 | return 0; | |
68 | } | |
eec574e6 | 69 | if (!strcmp(var, "report.percent-limit")) { |
28b21393 | 70 | struct report *rep = cb; |
eec574e6 NK |
71 | rep->min_percent = strtof(value, NULL); |
72 | return 0; | |
73 | } | |
00c7e1f1 NK |
74 | |
75 | return perf_default_config(var, value, cb); | |
76 | } | |
77 | ||
28b21393 ACM |
78 | static int report__add_mem_hist_entry(struct perf_tool *tool, struct addr_location *al, |
79 | struct perf_sample *sample, struct perf_evsel *evsel, | |
cc22e575 | 80 | union perf_event *event) |
f4f7e28d | 81 | { |
28b21393 | 82 | struct report *rep = container_of(tool, struct report, tool); |
f4f7e28d SE |
83 | struct symbol *parent = NULL; |
84 | u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; | |
f4f7e28d SE |
85 | struct hist_entry *he; |
86 | struct mem_info *mi, *mx; | |
87 | uint64_t cost; | |
2dc9fb1a | 88 | int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack); |
f4f7e28d | 89 | |
6dbc8ca9 ACM |
90 | if (err) |
91 | return err; | |
f4f7e28d | 92 | |
cc22e575 | 93 | mi = machine__resolve_mem(al->machine, al->thread, sample, cpumode); |
f4f7e28d SE |
94 | if (!mi) |
95 | return -ENOMEM; | |
96 | ||
97 | if (rep->hide_unresolved && !al->sym) | |
98 | return 0; | |
99 | ||
100 | cost = sample->weight; | |
101 | if (!cost) | |
102 | cost = 1; | |
103 | ||
104 | /* | |
105 | * must pass period=weight in order to get the correct | |
106 | * sorting from hists__collapse_resort() which is solely | |
107 | * based on periods. We want sorting be done on nr_events * weight | |
108 | * and this is indirectly achieved by passing period=weight here | |
109 | * and the he_stat__add_period() function. | |
110 | */ | |
41a4e6e2 NK |
111 | he = __hists__add_entry(&evsel->hists, al, parent, NULL, mi, |
112 | cost, cost, 0); | |
f4f7e28d SE |
113 | if (!he) |
114 | return -ENOMEM; | |
115 | ||
00e55218 ACM |
116 | err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); |
117 | if (err) | |
118 | goto out; | |
f4f7e28d | 119 | |
b66d8c0c | 120 | mx = he->mem_info; |
0f4e7a24 | 121 | err = addr_map_symbol__inc_samples(&mx->daddr, evsel->idx); |
b66d8c0c ACM |
122 | if (err) |
123 | goto out; | |
f4f7e28d SE |
124 | |
125 | evsel->hists.stats.total_period += cost; | |
126 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); | |
6dbc8ca9 | 127 | err = hist_entry__append_callchain(he, sample); |
f4f7e28d SE |
128 | out: |
129 | return err; | |
130 | } | |
131 | ||
28b21393 | 132 | static int report__add_branch_hist_entry(struct perf_tool *tool, struct addr_location *al, |
cc22e575 | 133 | struct perf_sample *sample, struct perf_evsel *evsel) |
b50311dc | 134 | { |
28b21393 | 135 | struct report *rep = container_of(tool, struct report, tool); |
b50311dc | 136 | struct symbol *parent = NULL; |
b50311dc RAV |
137 | unsigned i; |
138 | struct hist_entry *he; | |
a68c2c58 | 139 | struct branch_info *bi, *bx; |
2dc9fb1a | 140 | int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack); |
b50311dc | 141 | |
6dbc8ca9 ACM |
142 | if (err) |
143 | return err; | |
b50311dc | 144 | |
cc22e575 | 145 | bi = machine__resolve_bstack(al->machine, al->thread, |
b50311dc RAV |
146 | sample->branch_stack); |
147 | if (!bi) | |
148 | return -ENOMEM; | |
149 | ||
150 | for (i = 0; i < sample->branch_stack->nr; i++) { | |
151 | if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym)) | |
152 | continue; | |
26353a61 NK |
153 | |
154 | err = -ENOMEM; | |
155 | ||
41a4e6e2 NK |
156 | /* overwrite the 'al' to branch-to info */ |
157 | al->map = bi[i].to.map; | |
158 | al->sym = bi[i].to.sym; | |
159 | al->addr = bi[i].to.addr; | |
b50311dc RAV |
160 | /* |
161 | * The report shows the percentage of total branches captured | |
162 | * and not events sampled. Thus we use a pseudo period of 1. | |
163 | */ | |
41a4e6e2 NK |
164 | he = __hists__add_entry(&evsel->hists, al, parent, &bi[i], NULL, |
165 | 1, 1, 0); | |
b50311dc | 166 | if (he) { |
a68c2c58 | 167 | bx = he->branch_info; |
0f4e7a24 | 168 | err = addr_map_symbol__inc_samples(&bx->from, evsel->idx); |
b66d8c0c ACM |
169 | if (err) |
170 | goto out; | |
171 | ||
0f4e7a24 | 172 | err = addr_map_symbol__inc_samples(&bx->to, evsel->idx); |
b66d8c0c ACM |
173 | if (err) |
174 | goto out; | |
175 | ||
b50311dc RAV |
176 | evsel->hists.stats.total_period += 1; |
177 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); | |
178 | } else | |
26353a61 | 179 | goto out; |
b50311dc | 180 | } |
26353a61 | 181 | err = 0; |
a68c2c58 | 182 | out: |
26353a61 | 183 | free(bi); |
b50311dc RAV |
184 | return err; |
185 | } | |
186 | ||
28b21393 | 187 | static int report__add_hist_entry(struct perf_tool *tool, struct perf_evsel *evsel, |
cc22e575 | 188 | struct addr_location *al, struct perf_sample *sample) |
8fa66bdc | 189 | { |
28b21393 | 190 | struct report *rep = container_of(tool, struct report, tool); |
b3c9ac08 | 191 | struct symbol *parent = NULL; |
e7fb08b1 | 192 | struct hist_entry *he; |
2dc9fb1a | 193 | int err = sample__resolve_callchain(sample, &parent, evsel, al, rep->max_stack); |
e7fb08b1 | 194 | |
6dbc8ca9 ACM |
195 | if (err) |
196 | return err; | |
cbbc79a5 | 197 | |
41a4e6e2 NK |
198 | he = __hists__add_entry(&evsel->hists, al, parent, NULL, NULL, |
199 | sample->period, sample->weight, | |
200 | sample->transaction); | |
9735abf1 | 201 | if (he == NULL) |
1b3a0e95 FW |
202 | return -ENOMEM; |
203 | ||
6dbc8ca9 ACM |
204 | err = hist_entry__append_callchain(he, sample); |
205 | if (err) | |
206 | goto out; | |
1b3a0e95 | 207 | |
00e55218 | 208 | err = hist_entry__inc_addr_samples(he, evsel->idx, al->addr); |
e248de33 ACM |
209 | evsel->hists.stats.total_period += sample->period; |
210 | hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); | |
6dbc8ca9 | 211 | out: |
39d1e1b1 | 212 | return err; |
8fa66bdc ACM |
213 | } |
214 | ||
cbbc79a5 | 215 | |
45694aa7 | 216 | static int process_sample_event(struct perf_tool *tool, |
d20deb64 | 217 | union perf_event *event, |
8115d60c | 218 | struct perf_sample *sample, |
9e69c210 | 219 | struct perf_evsel *evsel, |
743eb868 | 220 | struct machine *machine) |
75051724 | 221 | { |
28b21393 | 222 | struct report *rep = container_of(tool, struct report, tool); |
1ed091c4 | 223 | struct addr_location al; |
27a0dcb7 | 224 | int ret; |
180f95e2 | 225 | |
e44baa3e | 226 | if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { |
a4210141 NK |
227 | pr_debug("problem processing %d event, skipping it.\n", |
228 | event->header.type); | |
75051724 IM |
229 | return -1; |
230 | } | |
e7fb08b1 | 231 | |
fa372aae | 232 | if (al.filtered || (rep->hide_unresolved && al.sym == NULL)) |
ec218fc4 | 233 | return 0; |
7bec7a91 | 234 | |
fa372aae | 235 | if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) |
5d67be97 AB |
236 | return 0; |
237 | ||
55369fc1 | 238 | if (sort__mode == SORT_MODE__BRANCH) { |
cc22e575 | 239 | ret = report__add_branch_hist_entry(tool, &al, sample, evsel); |
27a0dcb7 | 240 | if (ret < 0) |
b50311dc | 241 | pr_debug("problem adding lbr entry, skipping event\n"); |
f4f7e28d | 242 | } else if (rep->mem_mode == 1) { |
cc22e575 | 243 | ret = report__add_mem_hist_entry(tool, &al, sample, evsel, event); |
27a0dcb7 | 244 | if (ret < 0) |
f4f7e28d | 245 | pr_debug("problem adding mem entry, skipping event\n"); |
b50311dc RAV |
246 | } else { |
247 | if (al.map != NULL) | |
248 | al.map->dso->hit = 1; | |
ec80fde7 | 249 | |
cc22e575 | 250 | ret = report__add_hist_entry(tool, evsel, &al, sample); |
27a0dcb7 | 251 | if (ret < 0) |
b50311dc | 252 | pr_debug("problem incrementing symbol period, skipping event\n"); |
8fa66bdc | 253 | } |
27a0dcb7 | 254 | return ret; |
75051724 | 255 | } |
3502973d | 256 | |
45694aa7 | 257 | static int process_read_event(struct perf_tool *tool, |
d20deb64 | 258 | union perf_event *event, |
1d037ca1 | 259 | struct perf_sample *sample __maybe_unused, |
743eb868 | 260 | struct perf_evsel *evsel, |
1d037ca1 | 261 | struct machine *machine __maybe_unused) |
e9ea2fde | 262 | { |
28b21393 | 263 | struct report *rep = container_of(tool, struct report, tool); |
743eb868 | 264 | |
fa372aae | 265 | if (rep->show_threads) { |
7289f83c | 266 | const char *name = evsel ? perf_evsel__name(evsel) : "unknown"; |
fa372aae | 267 | perf_read_values_add_value(&rep->show_threads_values, |
8d513270 BG |
268 | event->read.pid, event->read.tid, |
269 | event->read.id, | |
270 | name, | |
271 | event->read.value); | |
272 | } | |
273 | ||
9486aa38 | 274 | dump_printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid, |
7289f83c | 275 | evsel ? perf_evsel__name(evsel) : "FAIL", |
62daacb5 | 276 | event->read.value); |
e9ea2fde PZ |
277 | |
278 | return 0; | |
279 | } | |
280 | ||
300aa941 | 281 | /* For pipe mode, sample_type is not currently set */ |
28b21393 | 282 | static int report__setup_sample_type(struct report *rep) |
d80d338d | 283 | { |
c824c433 ACM |
284 | struct perf_session *session = rep->session; |
285 | u64 sample_type = perf_evlist__combined_sample_type(session->evlist); | |
286 | bool is_pipe = perf_data_file__is_pipe(session->file); | |
d20deb64 | 287 | |
cc9784bd | 288 | if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { |
91b4eaea | 289 | if (sort__has_parent) { |
3780f488 | 290 | ui__error("Selected --sort parent, but no " |
00894ce9 ACM |
291 | "callchain data. Did you call " |
292 | "'perf record' without -g?\n"); | |
d549c769 | 293 | return -EINVAL; |
91b4eaea | 294 | } |
d599db3f | 295 | if (symbol_conf.use_callchain) { |
3780f488 | 296 | ui__error("Selected -g but no callchain data. Did " |
00894ce9 | 297 | "you call 'perf record' without -g?\n"); |
016e92fb | 298 | return -1; |
91b4eaea | 299 | } |
fa372aae ACM |
300 | } else if (!rep->dont_use_callchains && |
301 | callchain_param.mode != CHAIN_NONE && | |
b9a63b9b | 302 | !symbol_conf.use_callchain) { |
d599db3f | 303 | symbol_conf.use_callchain = true; |
16537f13 | 304 | if (callchain_register_param(&callchain_param) < 0) { |
3780f488 | 305 | ui__error("Can't register callchain params.\n"); |
d549c769 | 306 | return -EINVAL; |
b1a88349 | 307 | } |
f5970550 PZ |
308 | } |
309 | ||
55369fc1 | 310 | if (sort__mode == SORT_MODE__BRANCH) { |
cc9784bd | 311 | if (!is_pipe && |
7f3be652 | 312 | !(sample_type & PERF_SAMPLE_BRANCH_STACK)) { |
3780f488 NK |
313 | ui__error("Selected -b but no branch data. " |
314 | "Did you call perf record without -b?\n"); | |
b50311dc RAV |
315 | return -1; |
316 | } | |
317 | } | |
318 | ||
016e92fb FW |
319 | return 0; |
320 | } | |
6142f9ec | 321 | |
1d037ca1 | 322 | static void sig_handler(int sig __maybe_unused) |
46656ac7 TZ |
323 | { |
324 | session_done = 1; | |
325 | } | |
326 | ||
28b21393 | 327 | static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report *rep, |
c82ee828 ACM |
328 | const char *evname, FILE *fp) |
329 | { | |
330 | size_t ret; | |
331 | char unit; | |
c824c433 ACM |
332 | unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; |
333 | u64 nr_events = hists->stats.total_period; | |
334 | struct perf_evsel *evsel = hists_to_evsel(hists); | |
717e263f NK |
335 | char buf[512]; |
336 | size_t size = sizeof(buf); | |
337 | ||
759ff497 | 338 | if (perf_evsel__is_group_event(evsel)) { |
717e263f NK |
339 | struct perf_evsel *pos; |
340 | ||
341 | perf_evsel__group_desc(evsel, buf, size); | |
342 | evname = buf; | |
343 | ||
344 | for_each_group_member(pos, evsel) { | |
345 | nr_samples += pos->hists.stats.nr_events[PERF_RECORD_SAMPLE]; | |
346 | nr_events += pos->hists.stats.total_period; | |
347 | } | |
348 | } | |
c82ee828 | 349 | |
cc686280 AR |
350 | nr_samples = convert_unit(nr_samples, &unit); |
351 | ret = fprintf(fp, "# Samples: %lu%c", nr_samples, unit); | |
c82ee828 | 352 | if (evname != NULL) |
cc686280 AR |
353 | ret += fprintf(fp, " of event '%s'", evname); |
354 | ||
f4f7e28d SE |
355 | if (rep->mem_mode) { |
356 | ret += fprintf(fp, "\n# Total weight : %" PRIu64, nr_events); | |
357 | ret += fprintf(fp, "\n# Sort order : %s", sort_order); | |
358 | } else | |
359 | ret += fprintf(fp, "\n# Event count (approx.): %" PRIu64, nr_events); | |
c82ee828 ACM |
360 | return ret + fprintf(fp, "\n#\n"); |
361 | } | |
362 | ||
7f0030b2 | 363 | static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, |
28b21393 | 364 | struct report *rep, |
7f0030b2 | 365 | const char *help) |
d67f088e | 366 | { |
e248de33 | 367 | struct perf_evsel *pos; |
d67f088e | 368 | |
0050f7aa | 369 | evlist__for_each(evlist, pos) { |
e248de33 | 370 | struct hists *hists = &pos->hists; |
7289f83c | 371 | const char *evname = perf_evsel__name(pos); |
d67f088e | 372 | |
fc24d7c2 NK |
373 | if (symbol_conf.event_group && |
374 | !perf_evsel__is_group_leader(pos)) | |
375 | continue; | |
376 | ||
28b21393 | 377 | hists__fprintf_nr_sample_events(hists, rep, evname, stdout); |
064f1981 | 378 | hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout); |
d67f088e | 379 | fprintf(stdout, "\n\n"); |
d67f088e ACM |
380 | } |
381 | ||
382 | if (sort_order == default_sort_order && | |
383 | parent_pattern == default_parent_pattern) { | |
384 | fprintf(stdout, "#\n# (%s)\n#\n", help); | |
385 | ||
fa372aae ACM |
386 | if (rep->show_threads) { |
387 | bool style = !strcmp(rep->pretty_printing_style, "raw"); | |
388 | perf_read_values_display(stdout, &rep->show_threads_values, | |
d67f088e | 389 | style); |
fa372aae | 390 | perf_read_values_destroy(&rep->show_threads_values); |
d67f088e ACM |
391 | } |
392 | } | |
393 | ||
394 | return 0; | |
395 | } | |
396 | ||
fad2918e ACM |
397 | static void report__warn_kptr_restrict(const struct report *rep) |
398 | { | |
399 | struct map *kernel_map = rep->session->machines.host.vmlinux_maps[MAP__FUNCTION]; | |
400 | struct kmap *kernel_kmap = map__kmap(kernel_map); | |
401 | ||
402 | if (kernel_map == NULL || | |
403 | (kernel_map->dso->hit && | |
404 | (kernel_kmap->ref_reloc_sym == NULL || | |
405 | kernel_kmap->ref_reloc_sym->addr == 0))) { | |
406 | const char *desc = | |
407 | "As no suitable kallsyms nor vmlinux was found, kernel samples\n" | |
408 | "can't be resolved."; | |
409 | ||
410 | if (kernel_map) { | |
411 | const struct dso *kdso = kernel_map->dso; | |
412 | if (!RB_EMPTY_ROOT(&kdso->symbols[MAP__FUNCTION])) { | |
413 | desc = "If some relocation was applied (e.g. " | |
414 | "kexec) symbols may be misresolved."; | |
415 | } | |
416 | } | |
417 | ||
418 | ui__warning( | |
419 | "Kernel address maps (/proc/{kallsyms,modules}) were restricted.\n\n" | |
420 | "Check /proc/sys/kernel/kptr_restrict before running 'perf record'.\n\n%s\n\n" | |
421 | "Samples in kernel modules can't be resolved as well.\n\n", | |
422 | desc); | |
423 | } | |
424 | } | |
425 | ||
8362951b ACM |
426 | static int report__gtk_browse_hists(struct report *rep, const char *help) |
427 | { | |
428 | int (*hist_browser)(struct perf_evlist *evlist, const char *help, | |
429 | struct hist_browser_timer *timer, float min_pcnt); | |
430 | ||
431 | hist_browser = dlsym(perf_gtk_handle, "perf_evlist__gtk_browse_hists"); | |
432 | ||
433 | if (hist_browser == NULL) { | |
434 | ui__error("GTK browser not found!\n"); | |
435 | return -1; | |
436 | } | |
437 | ||
438 | return hist_browser(rep->session->evlist, help, NULL, rep->min_percent); | |
439 | } | |
440 | ||
441 | static int report__browse_hists(struct report *rep) | |
442 | { | |
443 | int ret; | |
444 | struct perf_session *session = rep->session; | |
445 | struct perf_evlist *evlist = session->evlist; | |
446 | const char *help = "For a higher level overview, try: perf report --sort comm,dso"; | |
447 | ||
448 | switch (use_browser) { | |
449 | case 1: | |
450 | ret = perf_evlist__tui_browse_hists(evlist, help, NULL, | |
451 | rep->min_percent, | |
452 | &session->header.env); | |
453 | /* | |
454 | * Usually "ret" is the last pressed key, and we only | |
455 | * care if the key notifies us to switch data file. | |
456 | */ | |
457 | if (ret != K_SWITCH_INPUT_DATA) | |
458 | ret = 0; | |
459 | break; | |
460 | case 2: | |
461 | ret = report__gtk_browse_hists(rep, help); | |
462 | break; | |
463 | default: | |
464 | ret = perf_evlist__tty_browse_hists(evlist, rep, help); | |
465 | break; | |
466 | } | |
467 | ||
468 | return ret; | |
469 | } | |
470 | ||
f6d8b057 ACM |
471 | static u64 report__collapse_hists(struct report *rep) |
472 | { | |
473 | struct ui_progress prog; | |
474 | struct perf_evsel *pos; | |
475 | u64 nr_samples = 0; | |
476 | /* | |
477 | * Count number of histogram entries to use when showing progress, | |
478 | * reusing nr_samples variable. | |
479 | */ | |
0050f7aa | 480 | evlist__for_each(rep->session->evlist, pos) |
f6d8b057 ACM |
481 | nr_samples += pos->hists.nr_entries; |
482 | ||
483 | ui_progress__init(&prog, nr_samples, "Merging related events..."); | |
484 | /* | |
485 | * Count total number of samples, will be used to check if this | |
486 | * session had any. | |
487 | */ | |
488 | nr_samples = 0; | |
489 | ||
0050f7aa | 490 | evlist__for_each(rep->session->evlist, pos) { |
f6d8b057 ACM |
491 | struct hists *hists = &pos->hists; |
492 | ||
493 | if (pos->idx == 0) | |
494 | hists->symbol_filter_str = rep->symbol_filter_str; | |
495 | ||
496 | hists__collapse_resort(hists, &prog); | |
497 | nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE]; | |
498 | ||
499 | /* Non-group events are considered as leader */ | |
500 | if (symbol_conf.event_group && | |
501 | !perf_evsel__is_group_leader(pos)) { | |
502 | struct hists *leader_hists = &pos->leader->hists; | |
503 | ||
504 | hists__match(leader_hists, hists); | |
505 | hists__link(leader_hists, hists); | |
506 | } | |
507 | } | |
508 | ||
509 | ui_progress__finish(); | |
510 | ||
511 | return nr_samples; | |
512 | } | |
513 | ||
28b21393 | 514 | static int __cmd_report(struct report *rep) |
016e92fb | 515 | { |
f6d8b057 | 516 | int ret; |
e248de33 | 517 | u64 nr_samples; |
993ac88d | 518 | struct perf_session *session = rep->session; |
e248de33 | 519 | struct perf_evsel *pos; |
cc9784bd | 520 | struct perf_data_file *file = session->file; |
8fa66bdc | 521 | |
46656ac7 TZ |
522 | signal(SIGINT, sig_handler); |
523 | ||
fa372aae ACM |
524 | if (rep->cpu_list) { |
525 | ret = perf_session__cpu_bitmap(session, rep->cpu_list, | |
526 | rep->cpu_bitmap); | |
5d67be97 | 527 | if (ret) |
d4ae0a6f | 528 | return ret; |
5d67be97 AB |
529 | } |
530 | ||
fa372aae ACM |
531 | if (rep->show_threads) |
532 | perf_read_values_init(&rep->show_threads_values); | |
f5970550 | 533 | |
28b21393 | 534 | ret = report__setup_sample_type(rep); |
d549c769 | 535 | if (ret) |
d4ae0a6f | 536 | return ret; |
d549c769 | 537 | |
45694aa7 | 538 | ret = perf_session__process_events(session, &rep->tool); |
016e92fb | 539 | if (ret) |
d4ae0a6f | 540 | return ret; |
97b07b69 | 541 | |
fad2918e | 542 | report__warn_kptr_restrict(rep); |
ec80fde7 | 543 | |
150e465a NK |
544 | if (use_browser == 0) { |
545 | if (verbose > 3) | |
546 | perf_session__fprintf(session, stdout); | |
9ac99545 | 547 | |
150e465a NK |
548 | if (verbose > 2) |
549 | perf_session__fprintf_dsos(session, stdout); | |
16f762a2 | 550 | |
150e465a NK |
551 | if (dump_trace) { |
552 | perf_session__fprintf_nr_events(session, stdout); | |
553 | return 0; | |
554 | } | |
71ad0f5e JO |
555 | } |
556 | ||
f6d8b057 | 557 | nr_samples = report__collapse_hists(rep); |
e248de33 | 558 | |
33e940a2 ACM |
559 | if (session_done()) |
560 | return 0; | |
561 | ||
e248de33 | 562 | if (nr_samples == 0) { |
cc9784bd | 563 | ui__error("The %s file has no samples!\n", file->path); |
d4ae0a6f | 564 | return 0; |
cbbc79a5 EM |
565 | } |
566 | ||
0050f7aa | 567 | evlist__for_each(session->evlist, pos) |
6e1f601a NK |
568 | hists__output_resort(&pos->hists); |
569 | ||
8362951b | 570 | return report__browse_hists(rep); |
8fa66bdc ACM |
571 | } |
572 | ||
4eb3e478 | 573 | static int |
d20deb64 | 574 | parse_callchain_opt(const struct option *opt, const char *arg, int unset) |
4eb3e478 | 575 | { |
28b21393 | 576 | struct report *rep = (struct report *)opt->value; |
232a5c94 | 577 | char *tok, *tok2; |
c20ab37e FW |
578 | char *endptr; |
579 | ||
b9a63b9b ACM |
580 | /* |
581 | * --no-call-graph | |
582 | */ | |
583 | if (unset) { | |
fa372aae | 584 | rep->dont_use_callchains = true; |
b9a63b9b ACM |
585 | return 0; |
586 | } | |
587 | ||
d599db3f | 588 | symbol_conf.use_callchain = true; |
4eb3e478 FW |
589 | |
590 | if (!arg) | |
591 | return 0; | |
592 | ||
c20ab37e FW |
593 | tok = strtok((char *)arg, ","); |
594 | if (!tok) | |
595 | return -1; | |
596 | ||
597 | /* get the output mode */ | |
598 | if (!strncmp(tok, "graph", strlen(arg))) | |
805d127d | 599 | callchain_param.mode = CHAIN_GRAPH_ABS; |
4eb3e478 | 600 | |
c20ab37e | 601 | else if (!strncmp(tok, "flat", strlen(arg))) |
805d127d FW |
602 | callchain_param.mode = CHAIN_FLAT; |
603 | ||
604 | else if (!strncmp(tok, "fractal", strlen(arg))) | |
605 | callchain_param.mode = CHAIN_GRAPH_REL; | |
606 | ||
b1a88349 FW |
607 | else if (!strncmp(tok, "none", strlen(arg))) { |
608 | callchain_param.mode = CHAIN_NONE; | |
b7ae11b3 | 609 | symbol_conf.use_callchain = false; |
b1a88349 FW |
610 | |
611 | return 0; | |
612 | } | |
613 | ||
4eb3e478 FW |
614 | else |
615 | return -1; | |
616 | ||
c20ab37e FW |
617 | /* get the min percentage */ |
618 | tok = strtok(NULL, ","); | |
619 | if (!tok) | |
805d127d | 620 | goto setup; |
c20ab37e | 621 | |
805d127d | 622 | callchain_param.min_percent = strtod(tok, &endptr); |
c20ab37e FW |
623 | if (tok == endptr) |
624 | return -1; | |
625 | ||
d797fdc5 SL |
626 | /* get the print limit */ |
627 | tok2 = strtok(NULL, ","); | |
628 | if (!tok2) | |
629 | goto setup; | |
630 | ||
631 | if (tok2[0] != 'c') { | |
6581f6e3 | 632 | callchain_param.print_limit = strtoul(tok2, &endptr, 0); |
d797fdc5 SL |
633 | tok2 = strtok(NULL, ","); |
634 | if (!tok2) | |
635 | goto setup; | |
636 | } | |
637 | ||
638 | /* get the call chain order */ | |
99571ab3 | 639 | if (!strncmp(tok2, "caller", strlen("caller"))) |
d797fdc5 | 640 | callchain_param.order = ORDER_CALLER; |
99571ab3 | 641 | else if (!strncmp(tok2, "callee", strlen("callee"))) |
d797fdc5 SL |
642 | callchain_param.order = ORDER_CALLEE; |
643 | else | |
644 | return -1; | |
99571ab3 AK |
645 | |
646 | /* Get the sort key */ | |
647 | tok2 = strtok(NULL, ","); | |
648 | if (!tok2) | |
649 | goto setup; | |
650 | if (!strncmp(tok2, "function", strlen("function"))) | |
651 | callchain_param.key = CCKEY_FUNCTION; | |
652 | else if (!strncmp(tok2, "address", strlen("address"))) | |
653 | callchain_param.key = CCKEY_ADDRESS; | |
654 | else | |
655 | return -1; | |
805d127d | 656 | setup: |
16537f13 | 657 | if (callchain_register_param(&callchain_param) < 0) { |
a4210141 | 658 | pr_err("Can't register callchain params\n"); |
805d127d FW |
659 | return -1; |
660 | } | |
4eb3e478 FW |
661 | return 0; |
662 | } | |
663 | ||
b21484f1 GP |
664 | int |
665 | report_parse_ignore_callees_opt(const struct option *opt __maybe_unused, | |
666 | const char *arg, int unset __maybe_unused) | |
667 | { | |
668 | if (arg) { | |
669 | int err = regcomp(&ignore_callees_regex, arg, REG_EXTENDED); | |
670 | if (err) { | |
671 | char buf[BUFSIZ]; | |
672 | regerror(err, &ignore_callees_regex, buf, sizeof(buf)); | |
673 | pr_err("Invalid --ignore-callees regex: %s\n%s", arg, buf); | |
674 | return -1; | |
675 | } | |
676 | have_ignore_callees = 1; | |
677 | } | |
678 | ||
679 | return 0; | |
680 | } | |
681 | ||
993ac88d | 682 | static int |
1d037ca1 IT |
683 | parse_branch_mode(const struct option *opt __maybe_unused, |
684 | const char *str __maybe_unused, int unset) | |
993ac88d | 685 | { |
55369fc1 NK |
686 | int *branch_mode = opt->value; |
687 | ||
688 | *branch_mode = !unset; | |
993ac88d SE |
689 | return 0; |
690 | } | |
691 | ||
064f1981 NK |
692 | static int |
693 | parse_percent_limit(const struct option *opt, const char *str, | |
694 | int unset __maybe_unused) | |
695 | { | |
28b21393 | 696 | struct report *rep = opt->value; |
064f1981 NK |
697 | |
698 | rep->min_percent = strtof(str, NULL); | |
699 | return 0; | |
700 | } | |
701 | ||
1d037ca1 | 702 | int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) |
d20deb64 | 703 | { |
993ac88d | 704 | struct perf_session *session; |
efad1415 | 705 | struct stat st; |
993ac88d | 706 | bool has_br_stack = false; |
55369fc1 | 707 | int branch_mode = -1; |
993ac88d | 708 | int ret = -1; |
d20deb64 ACM |
709 | char callchain_default_opt[] = "fractal,0.5,callee"; |
710 | const char * const report_usage[] = { | |
fb2baceb | 711 | "perf report [<options>]", |
d20deb64 ACM |
712 | NULL |
713 | }; | |
28b21393 | 714 | struct report report = { |
45694aa7 | 715 | .tool = { |
d20deb64 ACM |
716 | .sample = process_sample_event, |
717 | .mmap = perf_event__process_mmap, | |
5c5e854b | 718 | .mmap2 = perf_event__process_mmap2, |
d20deb64 | 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, | |
d20deb64 ACM |
725 | .tracing_data = perf_event__process_tracing_data, |
726 | .build_id = perf_event__process_build_id, | |
727 | .ordered_samples = true, | |
728 | .ordering_requires_timestamps = true, | |
729 | }, | |
91e95617 | 730 | .max_stack = PERF_MAX_STACK_DEPTH, |
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"), | |
5cfe2c82 JO |
757 | OPT_BOOLEAN(0, "header", &report.header, "Show data header."), |
758 | OPT_BOOLEAN(0, "header-only", &report.header_only, | |
759 | "Show only data header."), | |
63299f05 | 760 | OPT_STRING('s', "sort", &sort_order, "key[,key2...]", |
9811360e | 761 | "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline," |
05484298 | 762 | " dso_to, dso_from, symbol_to, symbol_from, mispredict," |
f4f7e28d | 763 | " weight, local_weight, mem, symbol_daddr, dso_daddr, tlb, " |
475eeab9 | 764 | "snoop, locked, abort, in_tx, transaction"), |
a1645ce1 ZY |
765 | OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, |
766 | "Show sample percentage for different cpu modes"), | |
b25bcf2f IM |
767 | OPT_STRING('p', "parent", &parent_pattern, "regex", |
768 | "regex filter to identify parent, see: '--sort parent'"), | |
d599db3f | 769 | OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other, |
b8e6d829 | 770 | "Only display entries with parent-match"), |
6581f6e3 | 771 | OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order", |
99571ab3 AK |
772 | "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address). " |
773 | "Default: fractal,0.5,callee,function", &parse_callchain_opt, callchain_default_opt), | |
91e95617 WL |
774 | OPT_INTEGER(0, "max-stack", &report.max_stack, |
775 | "Set the maximum stack depth when parsing the callchain, " | |
776 | "anything beyond the specified depth will be ignored. " | |
777 | "Default: " __stringify(PERF_MAX_STACK_DEPTH)), | |
fa372aae ACM |
778 | OPT_BOOLEAN('G', "inverted", &report.inverted_callchain, |
779 | "alias for inverted call graph"), | |
b21484f1 GP |
780 | OPT_CALLBACK(0, "ignore-callees", NULL, "regex", |
781 | "ignore callees of these functions in call graphs", | |
782 | report_parse_ignore_callees_opt), | |
655000e7 | 783 | OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", |
25903407 | 784 | "only consider symbols in these dsos"), |
c8e66720 | 785 | OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", |
cc8b88b1 | 786 | "only consider symbols in these comms"), |
655000e7 | 787 | OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", |
7bec7a91 | 788 | "only consider these symbols"), |
b14ffaca NK |
789 | OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", |
790 | "only show symbols that (partially) match with this filter"), | |
655000e7 | 791 | OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, |
52d422de ACM |
792 | "width[,width...]", |
793 | "don't try to adjust column width, use these fixed values"), | |
c410a338 | 794 | OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator", |
52d422de ACM |
795 | "separator for columns, no spaces will be added between " |
796 | "columns '.' is reserved."), | |
fa372aae | 797 | OPT_BOOLEAN('U', "hide-unresolved", &report.hide_unresolved, |
71289be7 | 798 | "Only display entries resolved to a symbol"), |
ec5761ea DA |
799 | OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", |
800 | "Look for files with symbols relative to this directory"), | |
c8e66720 | 801 | OPT_STRING('C', "cpu", &report.cpu_list, "cpu", |
fa372aae ACM |
802 | "list of cpus to profile"), |
803 | OPT_BOOLEAN('I', "show-info", &report.show_full_info, | |
fbe96f29 | 804 | "Display extended information about perf.data file"), |
64c6f0c7 ACM |
805 | OPT_BOOLEAN(0, "source", &symbol_conf.annotate_src, |
806 | "Interleave source code with assembly code (default)"), | |
807 | OPT_BOOLEAN(0, "asm-raw", &symbol_conf.annotate_asm_raw, | |
808 | "Display raw encoding of assembly instructions (default)"), | |
f69b64f7 AK |
809 | OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", |
810 | "Specify disassembler style (e.g. -M intel for intel syntax)"), | |
3f2728bd ACM |
811 | OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, |
812 | "Show a column with the sum of periods"), | |
01d14f16 NK |
813 | OPT_BOOLEAN(0, "group", &symbol_conf.event_group, |
814 | "Show event group information together"), | |
55369fc1 | 815 | OPT_CALLBACK_NOOPT('b', "branch-stack", &branch_mode, "", |
993ac88d | 816 | "use branch records for histogram filling", parse_branch_mode), |
7a4ec938 MB |
817 | OPT_STRING(0, "objdump", &objdump_path, "path", |
818 | "objdump binary to use for disassembly and annotations"), | |
328ccdac NK |
819 | OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle, |
820 | "Disable symbol demangling"), | |
f4f7e28d | 821 | OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"), |
064f1981 NK |
822 | OPT_CALLBACK(0, "percent-limit", &report, "percent", |
823 | "Don't show entries under that percent", parse_percent_limit), | |
53cb8bc2 | 824 | OPT_END() |
d20deb64 | 825 | }; |
f5fc1412 JO |
826 | struct perf_data_file file = { |
827 | .mode = PERF_DATA_MODE_READ, | |
828 | }; | |
53cb8bc2 | 829 | |
28b21393 | 830 | perf_config(report__config, &report); |
00c7e1f1 | 831 | |
655000e7 ACM |
832 | argc = parse_options(argc, argv, options, report_usage, 0); |
833 | ||
fa372aae | 834 | if (report.use_stdio) |
8b9e74eb | 835 | use_browser = 0; |
fa372aae | 836 | else if (report.use_tui) |
8b9e74eb | 837 | use_browser = 1; |
c31a9457 PE |
838 | else if (report.use_gtk) |
839 | use_browser = 2; | |
8b9e74eb | 840 | |
fa372aae | 841 | if (report.inverted_callchain) |
d797fdc5 SL |
842 | callchain_param.order = ORDER_CALLER; |
843 | ||
70cb4e96 | 844 | if (!input_name || !strlen(input_name)) { |
efad1415 | 845 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) |
70cb4e96 | 846 | input_name = "-"; |
efad1415 | 847 | else |
70cb4e96 | 848 | input_name = "perf.data"; |
efad1415 | 849 | } |
ad0de097 | 850 | |
f5fc1412 JO |
851 | file.path = input_name; |
852 | file.force = report.force; | |
853 | ||
ad0de097 | 854 | repeat: |
f5fc1412 | 855 | session = perf_session__new(&file, false, &report.tool); |
993ac88d SE |
856 | if (session == NULL) |
857 | return -ENOMEM; | |
858 | ||
859 | report.session = session; | |
860 | ||
861 | has_br_stack = perf_header__has_feat(&session->header, | |
862 | HEADER_BRANCH_STACK); | |
efad1415 | 863 | |
55369fc1 NK |
864 | if (branch_mode == -1 && has_br_stack) |
865 | sort__mode = SORT_MODE__BRANCH; | |
993ac88d | 866 | |
55369fc1 NK |
867 | /* sort__mode could be NORMAL if --no-branch-stack */ |
868 | if (sort__mode == SORT_MODE__BRANCH) { | |
b50311dc | 869 | /* |
a68c2c58 SE |
870 | * if no sort_order is provided, then specify |
871 | * branch-mode specific order | |
b50311dc RAV |
872 | */ |
873 | if (sort_order == default_sort_order) | |
874 | sort_order = "comm,dso_from,symbol_from," | |
875 | "dso_to,symbol_to"; | |
876 | ||
a68c2c58 | 877 | } |
f4f7e28d | 878 | if (report.mem_mode) { |
55369fc1 | 879 | if (sort__mode == SORT_MODE__BRANCH) { |
a4210141 | 880 | pr_err("branch and mem mode incompatible\n"); |
f4f7e28d SE |
881 | goto error; |
882 | } | |
afab87b9 NK |
883 | sort__mode = SORT_MODE__MEMORY; |
884 | ||
f4f7e28d SE |
885 | /* |
886 | * if no sort_order is provided, then specify | |
887 | * branch-mode specific order | |
888 | */ | |
889 | if (sort_order == default_sort_order) | |
890 | sort_order = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked"; | |
891 | } | |
a68c2c58 | 892 | |
91aba0a6 NK |
893 | if (setup_sorting() < 0) { |
894 | parse_options_usage(report_usage, options, "s", 1); | |
895 | goto error; | |
896 | } | |
034a9265 | 897 | |
4bceffbc NK |
898 | if (parent_pattern != default_parent_pattern) { |
899 | if (sort_dimension__add("parent") < 0) | |
900 | goto error; | |
901 | } | |
902 | ||
5cfe2c82 JO |
903 | /* Force tty output for header output. */ |
904 | if (report.header || report.header_only) | |
905 | use_browser = 0; | |
906 | ||
4bceffbc NK |
907 | if (strcmp(input_name, "-") != 0) |
908 | setup_browser(true); | |
909 | else { | |
910 | use_browser = 0; | |
911 | perf_hpp__init(); | |
912 | } | |
913 | ||
5cfe2c82 JO |
914 | if (report.header || report.header_only) { |
915 | perf_session__fprintf_info(session, stdout, | |
916 | report.show_full_info); | |
917 | if (report.header_only) | |
918 | return 0; | |
919 | } else if (use_browser == 0) { | |
920 | fputs("# To display the perf.data header info, please use --header/--header-only options.\n#\n", | |
921 | stdout); | |
922 | } | |
923 | ||
ef7b93a1 | 924 | /* |
6692c262 | 925 | * Only in the TUI browser we are doing integrated annotation, |
ef7b93a1 ACM |
926 | * so don't allocate extra space that won't be used in the stdio |
927 | * implementation. | |
928 | */ | |
034a9265 | 929 | if (use_browser == 1 && sort__has_sym) { |
78f7defe | 930 | symbol_conf.priv_size = sizeof(struct annotation); |
b8681711 AH |
931 | machines__set_symbol_filter(&session->machines, |
932 | symbol__annotate_init); | |
80d50cae ACM |
933 | /* |
934 | * For searching by name on the "Browse map details". | |
935 | * providing it only in verbose mode not to bloat too | |
936 | * much struct symbol. | |
937 | */ | |
938 | if (verbose) { | |
939 | /* | |
940 | * XXX: Need to provide a less kludgy way to ask for | |
941 | * more space per symbol, the u32 is for the index on | |
942 | * the ui browser. | |
943 | * See symbol__browser_index. | |
944 | */ | |
945 | symbol_conf.priv_size += sizeof(u32); | |
946 | symbol_conf.sort_by_name = true; | |
947 | } | |
948 | } | |
655000e7 | 949 | |
75be6cf4 | 950 | if (symbol__init() < 0) |
993ac88d | 951 | goto error; |
53cb8bc2 | 952 | |
6db6127c NK |
953 | if (argc) { |
954 | /* | |
955 | * Special case: if there's an argument left then assume that | |
956 | * it's a symbol filter: | |
957 | */ | |
958 | if (argc > 1) | |
959 | usage_with_options(report_usage, options); | |
960 | ||
961 | report.symbol_filter_str = argv[0]; | |
962 | } | |
edc52dea | 963 | |
08e71542 | 964 | sort__setup_elide(stdout); |
25903407 | 965 | |
993ac88d | 966 | ret = __cmd_report(&report); |
ad0de097 FT |
967 | if (ret == K_SWITCH_INPUT_DATA) { |
968 | perf_session__delete(session); | |
969 | goto repeat; | |
970 | } else | |
971 | ret = 0; | |
972 | ||
993ac88d SE |
973 | error: |
974 | perf_session__delete(session); | |
975 | return ret; | |
53cb8bc2 | 976 | } |