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Commit | Line | Data |
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ddcacfa0 | 1 | /* |
bf9e1876 IM |
2 | * builtin-stat.c |
3 | * | |
4 | * Builtin stat command: Give a precise performance counters summary | |
5 | * overview about any workload, CPU or specific PID. | |
6 | * | |
7 | * Sample output: | |
ddcacfa0 | 8 | |
2cba3ffb | 9 | $ perf stat ./hackbench 10 |
ddcacfa0 | 10 | |
2cba3ffb | 11 | Time: 0.118 |
ddcacfa0 | 12 | |
2cba3ffb | 13 | Performance counter stats for './hackbench 10': |
ddcacfa0 | 14 | |
2cba3ffb IM |
15 | 1708.761321 task-clock # 11.037 CPUs utilized |
16 | 41,190 context-switches # 0.024 M/sec | |
17 | 6,735 CPU-migrations # 0.004 M/sec | |
18 | 17,318 page-faults # 0.010 M/sec | |
19 | 5,205,202,243 cycles # 3.046 GHz | |
20 | 3,856,436,920 stalled-cycles-frontend # 74.09% frontend cycles idle | |
21 | 1,600,790,871 stalled-cycles-backend # 30.75% backend cycles idle | |
22 | 2,603,501,247 instructions # 0.50 insns per cycle | |
23 | # 1.48 stalled cycles per insn | |
24 | 484,357,498 branches # 283.455 M/sec | |
25 | 6,388,934 branch-misses # 1.32% of all branches | |
26 | ||
27 | 0.154822978 seconds time elapsed | |
ddcacfa0 | 28 | |
5242519b | 29 | * |
2cba3ffb | 30 | * Copyright (C) 2008-2011, Red Hat Inc, Ingo Molnar <mingo@redhat.com> |
5242519b IM |
31 | * |
32 | * Improvements and fixes by: | |
33 | * | |
34 | * Arjan van de Ven <arjan@linux.intel.com> | |
35 | * Yanmin Zhang <yanmin.zhang@intel.com> | |
36 | * Wu Fengguang <fengguang.wu@intel.com> | |
37 | * Mike Galbraith <efault@gmx.de> | |
38 | * Paul Mackerras <paulus@samba.org> | |
6e750a8f | 39 | * Jaswinder Singh Rajput <jaswinder@kernel.org> |
5242519b IM |
40 | * |
41 | * Released under the GPL v2. (and only v2, not any later version) | |
ddcacfa0 IM |
42 | */ |
43 | ||
1a482f38 | 44 | #include "perf.h" |
16f762a2 | 45 | #include "builtin.h" |
f14d5707 | 46 | #include "util/cgroup.h" |
148be2c1 | 47 | #include "util/util.h" |
5242519b IM |
48 | #include "util/parse-options.h" |
49 | #include "util/parse-events.h" | |
4cabc3d1 | 50 | #include "util/pmu.h" |
8f28827a | 51 | #include "util/event.h" |
361c99a6 | 52 | #include "util/evlist.h" |
69aad6f1 | 53 | #include "util/evsel.h" |
8f28827a | 54 | #include "util/debug.h" |
a5d243d0 | 55 | #include "util/color.h" |
0007ecea | 56 | #include "util/stat.h" |
60666c63 | 57 | #include "util/header.h" |
a12b51c4 | 58 | #include "util/cpumap.h" |
d6d901c2 | 59 | #include "util/thread.h" |
fd78260b | 60 | #include "util/thread_map.h" |
ddcacfa0 | 61 | |
1f16c575 | 62 | #include <stdlib.h> |
ddcacfa0 | 63 | #include <sys/prctl.h> |
5af52b51 | 64 | #include <locale.h> |
16c8a109 | 65 | |
d7470b6a | 66 | #define DEFAULT_SEPARATOR " " |
2cee77c4 DA |
67 | #define CNTR_NOT_SUPPORTED "<not supported>" |
68 | #define CNTR_NOT_COUNTED "<not counted>" | |
d7470b6a | 69 | |
d4f63a47 | 70 | static void print_counters(struct timespec *ts, int argc, const char **argv); |
13370a9b | 71 | |
4cabc3d1 | 72 | /* Default events used for perf stat -T */ |
a454742c JO |
73 | static const char *transaction_attrs = { |
74 | "task-clock," | |
4cabc3d1 AK |
75 | "{" |
76 | "instructions," | |
77 | "cycles," | |
78 | "cpu/cycles-t/," | |
79 | "cpu/tx-start/," | |
80 | "cpu/el-start/," | |
81 | "cpu/cycles-ct/" | |
82 | "}" | |
83 | }; | |
84 | ||
85 | /* More limited version when the CPU does not have all events. */ | |
a454742c JO |
86 | static const char * transaction_limited_attrs = { |
87 | "task-clock," | |
4cabc3d1 AK |
88 | "{" |
89 | "instructions," | |
90 | "cycles," | |
91 | "cpu/cycles-t/," | |
92 | "cpu/tx-start/" | |
93 | "}" | |
94 | }; | |
95 | ||
666e6d48 | 96 | static struct perf_evlist *evsel_list; |
361c99a6 | 97 | |
602ad878 | 98 | static struct target target = { |
77a6f014 NK |
99 | .uid = UINT_MAX, |
100 | }; | |
ddcacfa0 | 101 | |
3d632595 | 102 | static int run_count = 1; |
2e6cdf99 | 103 | static bool no_inherit = false; |
c0555642 | 104 | static bool scale = true; |
86ee6e18 | 105 | static enum aggr_mode aggr_mode = AGGR_GLOBAL; |
d07f0b12 | 106 | static volatile pid_t child_pid = -1; |
c0555642 | 107 | static bool null_run = false; |
2cba3ffb | 108 | static int detailed_run = 0; |
4cabc3d1 | 109 | static bool transaction_run; |
201e0b06 | 110 | static bool big_num = true; |
d7470b6a | 111 | static int big_num_opt = -1; |
d7470b6a SE |
112 | static const char *csv_sep = NULL; |
113 | static bool csv_output = false; | |
43bece79 | 114 | static bool group = false; |
4aa9015f | 115 | static FILE *output = NULL; |
1f16c575 PZ |
116 | static const char *pre_cmd = NULL; |
117 | static const char *post_cmd = NULL; | |
118 | static bool sync_run = false; | |
13370a9b | 119 | static unsigned int interval = 0; |
41191688 | 120 | static unsigned int initial_delay = 0; |
410136f5 | 121 | static unsigned int unit_width = 4; /* strlen("unit") */ |
a7e191c3 | 122 | static bool forever = false; |
13370a9b | 123 | static struct timespec ref_time; |
86ee6e18 SE |
124 | static struct cpu_map *aggr_map; |
125 | static int (*aggr_get_id)(struct cpu_map *m, int cpu); | |
5af52b51 | 126 | |
60666c63 LW |
127 | static volatile int done = 0; |
128 | ||
13370a9b SE |
129 | static inline void diff_timespec(struct timespec *r, struct timespec *a, |
130 | struct timespec *b) | |
131 | { | |
132 | r->tv_sec = a->tv_sec - b->tv_sec; | |
133 | if (a->tv_nsec < b->tv_nsec) { | |
134 | r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; | |
135 | r->tv_sec--; | |
136 | } else { | |
137 | r->tv_nsec = a->tv_nsec - b->tv_nsec ; | |
138 | } | |
139 | } | |
140 | ||
254ecbc7 JO |
141 | static void perf_stat__reset_stats(void) |
142 | { | |
143 | perf_evlist__reset_stats(evsel_list); | |
f87027b9 | 144 | perf_stat__reset_shadow_stats(); |
1eda3b21 JO |
145 | } |
146 | ||
cac21425 | 147 | static int create_perf_stat_counter(struct perf_evsel *evsel) |
ddcacfa0 | 148 | { |
69aad6f1 | 149 | struct perf_event_attr *attr = &evsel->attr; |
727ab04e | 150 | |
ddcacfa0 | 151 | if (scale) |
a21ca2ca IM |
152 | attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | |
153 | PERF_FORMAT_TOTAL_TIME_RUNNING; | |
ddcacfa0 | 154 | |
5d2cd909 ACM |
155 | attr->inherit = !no_inherit; |
156 | ||
602ad878 | 157 | if (target__has_cpu(&target)) |
594ac61a | 158 | return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); |
5622c07b | 159 | |
602ad878 | 160 | if (!target__has_task(&target) && perf_evsel__is_group_leader(evsel)) { |
48290609 | 161 | attr->disabled = 1; |
41191688 AK |
162 | if (!initial_delay) |
163 | attr->enable_on_exec = 1; | |
ddcacfa0 | 164 | } |
084ab9f8 | 165 | |
594ac61a | 166 | return perf_evsel__open_per_thread(evsel, evsel_list->threads); |
ddcacfa0 IM |
167 | } |
168 | ||
c04f5e5d IM |
169 | /* |
170 | * Does the counter have nsecs as a unit? | |
171 | */ | |
daec78a0 | 172 | static inline int nsec_counter(struct perf_evsel *evsel) |
c04f5e5d | 173 | { |
daec78a0 ACM |
174 | if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || |
175 | perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) | |
c04f5e5d IM |
176 | return 1; |
177 | ||
178 | return 0; | |
179 | } | |
180 | ||
779d0b99 JO |
181 | static void zero_per_pkg(struct perf_evsel *counter) |
182 | { | |
183 | if (counter->per_pkg_mask) | |
184 | memset(counter->per_pkg_mask, 0, MAX_NR_CPUS); | |
185 | } | |
186 | ||
187 | static int check_per_pkg(struct perf_evsel *counter, int cpu, bool *skip) | |
188 | { | |
189 | unsigned long *mask = counter->per_pkg_mask; | |
190 | struct cpu_map *cpus = perf_evsel__cpus(counter); | |
191 | int s; | |
192 | ||
193 | *skip = false; | |
194 | ||
195 | if (!counter->per_pkg) | |
196 | return 0; | |
197 | ||
198 | if (cpu_map__empty(cpus)) | |
199 | return 0; | |
200 | ||
201 | if (!mask) { | |
202 | mask = zalloc(MAX_NR_CPUS); | |
203 | if (!mask) | |
204 | return -ENOMEM; | |
205 | ||
206 | counter->per_pkg_mask = mask; | |
207 | } | |
208 | ||
209 | s = cpu_map__get_socket(cpus, cpu); | |
210 | if (s < 0) | |
211 | return -1; | |
212 | ||
213 | *skip = test_and_set_bit(s, mask) == 1; | |
214 | return 0; | |
215 | } | |
216 | ||
3b3eb044 JO |
217 | static int |
218 | process_counter_values(struct perf_evsel *evsel, int cpu, int thread, | |
219 | struct perf_counts_values *count) | |
060c4f9c | 220 | { |
1971f59f | 221 | struct perf_counts_values *aggr = &evsel->counts->aggr; |
779d0b99 JO |
222 | static struct perf_counts_values zero; |
223 | bool skip = false; | |
224 | ||
225 | if (check_per_pkg(evsel, cpu, &skip)) { | |
226 | pr_err("failed to read per-pkg counter\n"); | |
227 | return -1; | |
228 | } | |
229 | ||
230 | if (skip) | |
231 | count = &zero; | |
1971f59f | 232 | |
060c4f9c | 233 | switch (aggr_mode) { |
32b8af82 | 234 | case AGGR_THREAD: |
060c4f9c JO |
235 | case AGGR_CORE: |
236 | case AGGR_SOCKET: | |
237 | case AGGR_NONE: | |
6c0345b7 | 238 | if (!evsel->snapshot) |
a6fa0038 | 239 | perf_evsel__compute_deltas(evsel, cpu, thread, count); |
060c4f9c | 240 | perf_counts_values__scale(count, scale, NULL); |
56f0fd45 | 241 | if (aggr_mode == AGGR_NONE) |
f87027b9 | 242 | perf_stat__update_shadow_stats(evsel, count->values, cpu); |
060c4f9c JO |
243 | break; |
244 | case AGGR_GLOBAL: | |
1971f59f JO |
245 | aggr->val += count->val; |
246 | if (scale) { | |
247 | aggr->ena += count->ena; | |
248 | aggr->run += count->run; | |
249 | } | |
060c4f9c JO |
250 | default: |
251 | break; | |
252 | } | |
253 | ||
254 | return 0; | |
255 | } | |
256 | ||
3b3eb044 JO |
257 | static int process_counter_maps(struct perf_evsel *counter) |
258 | { | |
259 | int nthreads = thread_map__nr(counter->threads); | |
260 | int ncpus = perf_evsel__nr_cpus(counter); | |
261 | int cpu, thread; | |
1971f59f | 262 | |
3b3eb044 JO |
263 | if (counter->system_wide) |
264 | nthreads = 1; | |
265 | ||
266 | for (thread = 0; thread < nthreads; thread++) { | |
267 | for (cpu = 0; cpu < ncpus; cpu++) { | |
268 | if (process_counter_values(counter, cpu, thread, | |
269 | perf_counts(counter->counts, cpu, thread))) | |
270 | return -1; | |
271 | } | |
272 | } | |
273 | ||
274 | return 0; | |
275 | } | |
276 | ||
277 | static int process_counter(struct perf_evsel *counter) | |
c04f5e5d | 278 | { |
1971f59f | 279 | struct perf_counts_values *aggr = &counter->counts->aggr; |
69aad6f1 | 280 | struct perf_stat *ps = counter->priv; |
c52b12ed | 281 | u64 *count = counter->counts->aggr.values; |
3b3eb044 | 282 | int i, ret; |
2996f5dd | 283 | |
1971f59f | 284 | aggr->val = aggr->ena = aggr->run = 0; |
5835e228 | 285 | init_stats(ps->res_stats); |
1971f59f | 286 | |
32ce0a47 JO |
287 | if (counter->per_pkg) |
288 | zero_per_pkg(counter); | |
289 | ||
3b3eb044 JO |
290 | ret = process_counter_maps(counter); |
291 | if (ret) | |
292 | return ret; | |
293 | ||
294 | if (aggr_mode != AGGR_GLOBAL) | |
295 | return 0; | |
9e9772c4 | 296 | |
6c0345b7 | 297 | if (!counter->snapshot) |
a6fa0038 | 298 | perf_evsel__compute_deltas(counter, -1, -1, aggr); |
1971f59f JO |
299 | perf_counts_values__scale(aggr, scale, &counter->counts->scaled); |
300 | ||
9e9772c4 | 301 | for (i = 0; i < 3; i++) |
69aad6f1 | 302 | update_stats(&ps->res_stats[i], count[i]); |
9e9772c4 PZ |
303 | |
304 | if (verbose) { | |
4aa9015f | 305 | fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", |
7289f83c | 306 | perf_evsel__name(counter), count[0], count[1], count[2]); |
9e9772c4 PZ |
307 | } |
308 | ||
be1ac0d8 IM |
309 | /* |
310 | * Save the full runtime - to allow normalization during printout: | |
311 | */ | |
f87027b9 | 312 | perf_stat__update_shadow_stats(counter, count, 0); |
c52b12ed ACM |
313 | |
314 | return 0; | |
f5b4a9c3 SE |
315 | } |
316 | ||
317 | /* | |
318 | * Read out the results of a single counter: | |
319 | * do not aggregate counts across CPUs in system-wide mode | |
320 | */ | |
c52b12ed | 321 | static int read_counter(struct perf_evsel *counter) |
f5b4a9c3 | 322 | { |
9bf1a529 JO |
323 | int nthreads = thread_map__nr(evsel_list->threads); |
324 | int ncpus = perf_evsel__nr_cpus(counter); | |
325 | int cpu, thread; | |
f5b4a9c3 | 326 | |
3b4331d9 SP |
327 | if (!counter->supported) |
328 | return -ENOENT; | |
329 | ||
9bf1a529 JO |
330 | if (counter->system_wide) |
331 | nthreads = 1; | |
332 | ||
333 | for (thread = 0; thread < nthreads; thread++) { | |
334 | for (cpu = 0; cpu < ncpus; cpu++) { | |
3b3eb044 JO |
335 | struct perf_counts_values *count; |
336 | ||
337 | count = perf_counts(counter->counts, cpu, thread); | |
338 | if (perf_evsel__read(counter, cpu, thread, count)) | |
9bf1a529 JO |
339 | return -1; |
340 | } | |
f5b4a9c3 | 341 | } |
c52b12ed ACM |
342 | |
343 | return 0; | |
2996f5dd IM |
344 | } |
345 | ||
5fc472a6 | 346 | static void read_counters(bool close_counters) |
13370a9b | 347 | { |
13370a9b | 348 | struct perf_evsel *counter; |
13370a9b | 349 | |
106a94a0 | 350 | evlist__for_each(evsel_list, counter) { |
3b3eb044 JO |
351 | if (read_counter(counter)) |
352 | pr_warning("failed to read counter %s\n", counter->name); | |
353 | ||
354 | if (process_counter(counter)) | |
355 | pr_warning("failed to process counter %s\n", counter->name); | |
106a94a0 | 356 | |
5fc472a6 | 357 | if (close_counters) { |
106a94a0 JO |
358 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), |
359 | thread_map__nr(evsel_list->threads)); | |
13370a9b SE |
360 | } |
361 | } | |
106a94a0 JO |
362 | } |
363 | ||
ba411a95 | 364 | static void process_interval(void) |
106a94a0 | 365 | { |
106a94a0 | 366 | struct timespec ts, rs; |
106a94a0 JO |
367 | |
368 | read_counters(false); | |
86ee6e18 | 369 | |
13370a9b SE |
370 | clock_gettime(CLOCK_MONOTONIC, &ts); |
371 | diff_timespec(&rs, &ts, &ref_time); | |
13370a9b | 372 | |
d4f63a47 | 373 | print_counters(&rs, 0, NULL); |
13370a9b SE |
374 | } |
375 | ||
41191688 AK |
376 | static void handle_initial_delay(void) |
377 | { | |
378 | struct perf_evsel *counter; | |
379 | ||
380 | if (initial_delay) { | |
381 | const int ncpus = cpu_map__nr(evsel_list->cpus), | |
382 | nthreads = thread_map__nr(evsel_list->threads); | |
383 | ||
384 | usleep(initial_delay * 1000); | |
0050f7aa | 385 | evlist__for_each(evsel_list, counter) |
41191688 AK |
386 | perf_evsel__enable(counter, ncpus, nthreads); |
387 | } | |
388 | } | |
389 | ||
f33cbe72 | 390 | static volatile int workload_exec_errno; |
6af206fd ACM |
391 | |
392 | /* | |
393 | * perf_evlist__prepare_workload will send a SIGUSR1 | |
394 | * if the fork fails, since we asked by setting its | |
395 | * want_signal to true. | |
396 | */ | |
f33cbe72 ACM |
397 | static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, |
398 | void *ucontext __maybe_unused) | |
6af206fd | 399 | { |
f33cbe72 | 400 | workload_exec_errno = info->si_value.sival_int; |
6af206fd ACM |
401 | } |
402 | ||
acf28922 | 403 | static int __run_perf_stat(int argc, const char **argv) |
42202dd5 | 404 | { |
56e52e85 | 405 | char msg[512]; |
42202dd5 | 406 | unsigned long long t0, t1; |
cac21425 | 407 | struct perf_evsel *counter; |
13370a9b | 408 | struct timespec ts; |
410136f5 | 409 | size_t l; |
42202dd5 | 410 | int status = 0; |
6be2850e | 411 | const bool forks = (argc > 0); |
42202dd5 | 412 | |
13370a9b SE |
413 | if (interval) { |
414 | ts.tv_sec = interval / 1000; | |
415 | ts.tv_nsec = (interval % 1000) * 1000000; | |
416 | } else { | |
417 | ts.tv_sec = 1; | |
418 | ts.tv_nsec = 0; | |
419 | } | |
420 | ||
60666c63 | 421 | if (forks) { |
735f7e0b ACM |
422 | if (perf_evlist__prepare_workload(evsel_list, &target, argv, false, |
423 | workload_exec_failed_signal) < 0) { | |
acf28922 NK |
424 | perror("failed to prepare workload"); |
425 | return -1; | |
60666c63 | 426 | } |
d20a47e7 | 427 | child_pid = evsel_list->workload.pid; |
051ae7f7 PM |
428 | } |
429 | ||
6a4bb04c | 430 | if (group) |
63dab225 | 431 | perf_evlist__set_leader(evsel_list); |
6a4bb04c | 432 | |
0050f7aa | 433 | evlist__for_each(evsel_list, counter) { |
cac21425 | 434 | if (create_perf_stat_counter(counter) < 0) { |
979987a5 DA |
435 | /* |
436 | * PPC returns ENXIO for HW counters until 2.6.37 | |
437 | * (behavior changed with commit b0a873e). | |
438 | */ | |
38f6ae1e | 439 | if (errno == EINVAL || errno == ENOSYS || |
979987a5 DA |
440 | errno == ENOENT || errno == EOPNOTSUPP || |
441 | errno == ENXIO) { | |
c63ca0c0 DA |
442 | if (verbose) |
443 | ui__warning("%s event is not supported by the kernel.\n", | |
7289f83c | 444 | perf_evsel__name(counter)); |
2cee77c4 | 445 | counter->supported = false; |
cb5ef600 KL |
446 | |
447 | if ((counter->leader != counter) || | |
448 | !(counter->leader->nr_members > 1)) | |
449 | continue; | |
c63ca0c0 | 450 | } |
ede70290 | 451 | |
56e52e85 ACM |
452 | perf_evsel__open_strerror(counter, &target, |
453 | errno, msg, sizeof(msg)); | |
454 | ui__error("%s\n", msg); | |
455 | ||
48290609 ACM |
456 | if (child_pid != -1) |
457 | kill(child_pid, SIGTERM); | |
fceda7fe | 458 | |
48290609 ACM |
459 | return -1; |
460 | } | |
2cee77c4 | 461 | counter->supported = true; |
410136f5 SE |
462 | |
463 | l = strlen(counter->unit); | |
464 | if (l > unit_width) | |
465 | unit_width = l; | |
084ab9f8 | 466 | } |
42202dd5 | 467 | |
23d4aad4 ACM |
468 | if (perf_evlist__apply_filters(evsel_list, &counter)) { |
469 | error("failed to set filter \"%s\" on event %s with %d (%s)\n", | |
470 | counter->filter, perf_evsel__name(counter), errno, | |
759e612b | 471 | strerror_r(errno, msg, sizeof(msg))); |
cfd748ae FW |
472 | return -1; |
473 | } | |
474 | ||
42202dd5 IM |
475 | /* |
476 | * Enable counters and exec the command: | |
477 | */ | |
478 | t0 = rdclock(); | |
13370a9b | 479 | clock_gettime(CLOCK_MONOTONIC, &ref_time); |
42202dd5 | 480 | |
60666c63 | 481 | if (forks) { |
acf28922 | 482 | perf_evlist__start_workload(evsel_list); |
41191688 | 483 | handle_initial_delay(); |
acf28922 | 484 | |
13370a9b SE |
485 | if (interval) { |
486 | while (!waitpid(child_pid, &status, WNOHANG)) { | |
487 | nanosleep(&ts, NULL); | |
ba411a95 | 488 | process_interval(); |
13370a9b SE |
489 | } |
490 | } | |
60666c63 | 491 | wait(&status); |
6af206fd | 492 | |
f33cbe72 ACM |
493 | if (workload_exec_errno) { |
494 | const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); | |
495 | pr_err("Workload failed: %s\n", emsg); | |
6af206fd | 496 | return -1; |
f33cbe72 | 497 | } |
6af206fd | 498 | |
33e49ea7 AK |
499 | if (WIFSIGNALED(status)) |
500 | psignal(WTERMSIG(status), argv[0]); | |
60666c63 | 501 | } else { |
41191688 | 502 | handle_initial_delay(); |
13370a9b SE |
503 | while (!done) { |
504 | nanosleep(&ts, NULL); | |
505 | if (interval) | |
ba411a95 | 506 | process_interval(); |
13370a9b | 507 | } |
60666c63 | 508 | } |
42202dd5 | 509 | |
42202dd5 IM |
510 | t1 = rdclock(); |
511 | ||
9e9772c4 | 512 | update_stats(&walltime_nsecs_stats, t1 - t0); |
42202dd5 | 513 | |
106a94a0 | 514 | read_counters(true); |
c52b12ed | 515 | |
42202dd5 IM |
516 | return WEXITSTATUS(status); |
517 | } | |
518 | ||
41cde476 | 519 | static int run_perf_stat(int argc, const char **argv) |
1f16c575 PZ |
520 | { |
521 | int ret; | |
522 | ||
523 | if (pre_cmd) { | |
524 | ret = system(pre_cmd); | |
525 | if (ret) | |
526 | return ret; | |
527 | } | |
528 | ||
529 | if (sync_run) | |
530 | sync(); | |
531 | ||
532 | ret = __run_perf_stat(argc, argv); | |
533 | if (ret) | |
534 | return ret; | |
535 | ||
536 | if (post_cmd) { | |
537 | ret = system(post_cmd); | |
538 | if (ret) | |
539 | return ret; | |
540 | } | |
541 | ||
542 | return ret; | |
543 | } | |
544 | ||
d73515c0 AK |
545 | static void print_running(u64 run, u64 ena) |
546 | { | |
547 | if (csv_output) { | |
548 | fprintf(output, "%s%" PRIu64 "%s%.2f", | |
549 | csv_sep, | |
550 | run, | |
551 | csv_sep, | |
552 | ena ? 100.0 * run / ena : 100.0); | |
553 | } else if (run != ena) { | |
554 | fprintf(output, " (%.2f%%)", 100.0 * run / ena); | |
555 | } | |
556 | } | |
557 | ||
f99844cb IM |
558 | static void print_noise_pct(double total, double avg) |
559 | { | |
0007ecea | 560 | double pct = rel_stddev_stats(total, avg); |
f99844cb | 561 | |
3ae9a34d | 562 | if (csv_output) |
4aa9015f | 563 | fprintf(output, "%s%.2f%%", csv_sep, pct); |
a1bca6cc | 564 | else if (pct) |
4aa9015f | 565 | fprintf(output, " ( +-%6.2f%% )", pct); |
f99844cb IM |
566 | } |
567 | ||
69aad6f1 | 568 | static void print_noise(struct perf_evsel *evsel, double avg) |
42202dd5 | 569 | { |
69aad6f1 ACM |
570 | struct perf_stat *ps; |
571 | ||
849abde9 PZ |
572 | if (run_count == 1) |
573 | return; | |
574 | ||
69aad6f1 | 575 | ps = evsel->priv; |
f99844cb | 576 | print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); |
42202dd5 IM |
577 | } |
578 | ||
12c08a9f | 579 | static void aggr_printout(struct perf_evsel *evsel, int id, int nr) |
44175b6f | 580 | { |
86ee6e18 | 581 | switch (aggr_mode) { |
12c08a9f SE |
582 | case AGGR_CORE: |
583 | fprintf(output, "S%d-C%*d%s%*d%s", | |
584 | cpu_map__id_to_socket(id), | |
585 | csv_output ? 0 : -8, | |
586 | cpu_map__id_to_cpu(id), | |
587 | csv_sep, | |
588 | csv_output ? 0 : 4, | |
589 | nr, | |
590 | csv_sep); | |
591 | break; | |
86ee6e18 SE |
592 | case AGGR_SOCKET: |
593 | fprintf(output, "S%*d%s%*d%s", | |
d7e7a451 | 594 | csv_output ? 0 : -5, |
12c08a9f | 595 | id, |
d7e7a451 SE |
596 | csv_sep, |
597 | csv_output ? 0 : 4, | |
598 | nr, | |
599 | csv_sep); | |
86ee6e18 SE |
600 | break; |
601 | case AGGR_NONE: | |
602 | fprintf(output, "CPU%*d%s", | |
d7470b6a | 603 | csv_output ? 0 : -4, |
12c08a9f | 604 | perf_evsel__cpus(evsel)->map[id], csv_sep); |
86ee6e18 | 605 | break; |
32b8af82 JO |
606 | case AGGR_THREAD: |
607 | fprintf(output, "%*s-%*d%s", | |
608 | csv_output ? 0 : 16, | |
609 | thread_map__comm(evsel->threads, id), | |
610 | csv_output ? 0 : -8, | |
611 | thread_map__pid(evsel->threads, id), | |
612 | csv_sep); | |
613 | break; | |
86ee6e18 SE |
614 | case AGGR_GLOBAL: |
615 | default: | |
616 | break; | |
617 | } | |
618 | } | |
619 | ||
da88c7f7 | 620 | static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) |
86ee6e18 SE |
621 | { |
622 | double msecs = avg / 1e6; | |
410136f5 | 623 | const char *fmt_v, *fmt_n; |
4bbe5a61 | 624 | char name[25]; |
86ee6e18 | 625 | |
410136f5 SE |
626 | fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; |
627 | fmt_n = csv_output ? "%s" : "%-25s"; | |
628 | ||
da88c7f7 | 629 | aggr_printout(evsel, id, nr); |
d7470b6a | 630 | |
4bbe5a61 DA |
631 | scnprintf(name, sizeof(name), "%s%s", |
632 | perf_evsel__name(evsel), csv_output ? "" : " (msec)"); | |
410136f5 SE |
633 | |
634 | fprintf(output, fmt_v, msecs, csv_sep); | |
635 | ||
636 | if (csv_output) | |
637 | fprintf(output, "%s%s", evsel->unit, csv_sep); | |
638 | else | |
639 | fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); | |
640 | ||
641 | fprintf(output, fmt_n, name); | |
d7470b6a | 642 | |
023695d9 | 643 | if (evsel->cgrp) |
4aa9015f | 644 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
023695d9 | 645 | |
13370a9b | 646 | if (csv_output || interval) |
d7470b6a | 647 | return; |
44175b6f | 648 | |
daec78a0 | 649 | if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
4aa9015f SE |
650 | fprintf(output, " # %8.3f CPUs utilized ", |
651 | avg / avg_stats(&walltime_nsecs_stats)); | |
9dac6a29 NK |
652 | else |
653 | fprintf(output, " "); | |
44175b6f IM |
654 | } |
655 | ||
556b1fb7 JO |
656 | static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) |
657 | { | |
658 | double sc = evsel->scale; | |
659 | const char *fmt; | |
660 | int cpu = cpu_map__id_to_cpu(id); | |
661 | ||
662 | if (csv_output) { | |
663 | fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s"; | |
664 | } else { | |
665 | if (big_num) | |
666 | fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s"; | |
667 | else | |
668 | fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s"; | |
669 | } | |
670 | ||
671 | aggr_printout(evsel, id, nr); | |
672 | ||
673 | if (aggr_mode == AGGR_GLOBAL) | |
674 | cpu = 0; | |
675 | ||
676 | fprintf(output, fmt, avg, csv_sep); | |
677 | ||
678 | if (evsel->unit) | |
679 | fprintf(output, "%-*s%s", | |
680 | csv_output ? 0 : unit_width, | |
681 | evsel->unit, csv_sep); | |
682 | ||
683 | fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); | |
684 | ||
685 | if (evsel->cgrp) | |
686 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); | |
687 | ||
688 | if (csv_output || interval) | |
689 | return; | |
690 | ||
f87027b9 | 691 | perf_stat__print_shadow_stats(output, evsel, avg, cpu, aggr_mode); |
556b1fb7 JO |
692 | } |
693 | ||
86ee6e18 | 694 | static void print_aggr(char *prefix) |
d7e7a451 SE |
695 | { |
696 | struct perf_evsel *counter; | |
582ec082 | 697 | int cpu, cpu2, s, s2, id, nr; |
410136f5 | 698 | double uval; |
d7e7a451 | 699 | u64 ena, run, val; |
d7e7a451 | 700 | |
86ee6e18 | 701 | if (!(aggr_map || aggr_get_id)) |
d7e7a451 SE |
702 | return; |
703 | ||
86ee6e18 SE |
704 | for (s = 0; s < aggr_map->nr; s++) { |
705 | id = aggr_map->map[s]; | |
0050f7aa | 706 | evlist__for_each(evsel_list, counter) { |
d7e7a451 SE |
707 | val = ena = run = 0; |
708 | nr = 0; | |
709 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { | |
582ec082 SE |
710 | cpu2 = perf_evsel__cpus(counter)->map[cpu]; |
711 | s2 = aggr_get_id(evsel_list->cpus, cpu2); | |
86ee6e18 | 712 | if (s2 != id) |
d7e7a451 | 713 | continue; |
a6fa0038 JO |
714 | val += perf_counts(counter->counts, cpu, 0)->val; |
715 | ena += perf_counts(counter->counts, cpu, 0)->ena; | |
716 | run += perf_counts(counter->counts, cpu, 0)->run; | |
d7e7a451 SE |
717 | nr++; |
718 | } | |
719 | if (prefix) | |
720 | fprintf(output, "%s", prefix); | |
721 | ||
722 | if (run == 0 || ena == 0) { | |
582ec082 | 723 | aggr_printout(counter, id, nr); |
86ee6e18 | 724 | |
410136f5 | 725 | fprintf(output, "%*s%s", |
d7e7a451 SE |
726 | csv_output ? 0 : 18, |
727 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, | |
410136f5 SE |
728 | csv_sep); |
729 | ||
730 | fprintf(output, "%-*s%s", | |
731 | csv_output ? 0 : unit_width, | |
732 | counter->unit, csv_sep); | |
733 | ||
734 | fprintf(output, "%*s", | |
735 | csv_output ? 0 : -25, | |
d7e7a451 | 736 | perf_evsel__name(counter)); |
86ee6e18 | 737 | |
d7e7a451 SE |
738 | if (counter->cgrp) |
739 | fprintf(output, "%s%s", | |
740 | csv_sep, counter->cgrp->name); | |
741 | ||
d73515c0 | 742 | print_running(run, ena); |
d7e7a451 SE |
743 | fputc('\n', output); |
744 | continue; | |
745 | } | |
410136f5 | 746 | uval = val * counter->scale; |
d7e7a451 SE |
747 | |
748 | if (nsec_counter(counter)) | |
410136f5 | 749 | nsec_printout(id, nr, counter, uval); |
d7e7a451 | 750 | else |
410136f5 | 751 | abs_printout(id, nr, counter, uval); |
d7e7a451 | 752 | |
d73515c0 | 753 | if (!csv_output) |
d7e7a451 SE |
754 | print_noise(counter, 1.0); |
755 | ||
d73515c0 | 756 | print_running(run, ena); |
d7e7a451 SE |
757 | fputc('\n', output); |
758 | } | |
759 | } | |
760 | } | |
761 | ||
32b8af82 JO |
762 | static void print_aggr_thread(struct perf_evsel *counter, char *prefix) |
763 | { | |
764 | int nthreads = thread_map__nr(counter->threads); | |
765 | int ncpus = cpu_map__nr(counter->cpus); | |
766 | int cpu, thread; | |
767 | double uval; | |
768 | ||
769 | for (thread = 0; thread < nthreads; thread++) { | |
770 | u64 ena = 0, run = 0, val = 0; | |
771 | ||
772 | for (cpu = 0; cpu < ncpus; cpu++) { | |
773 | val += perf_counts(counter->counts, cpu, thread)->val; | |
774 | ena += perf_counts(counter->counts, cpu, thread)->ena; | |
775 | run += perf_counts(counter->counts, cpu, thread)->run; | |
776 | } | |
777 | ||
778 | if (prefix) | |
779 | fprintf(output, "%s", prefix); | |
780 | ||
781 | uval = val * counter->scale; | |
782 | ||
783 | if (nsec_counter(counter)) | |
784 | nsec_printout(thread, 0, counter, uval); | |
785 | else | |
786 | abs_printout(thread, 0, counter, uval); | |
787 | ||
788 | if (!csv_output) | |
789 | print_noise(counter, 1.0); | |
790 | ||
791 | print_running(run, ena); | |
792 | fputc('\n', output); | |
793 | } | |
794 | } | |
795 | ||
2996f5dd IM |
796 | /* |
797 | * Print out the results of a single counter: | |
f5b4a9c3 | 798 | * aggregated counts in system-wide mode |
2996f5dd | 799 | */ |
13370a9b | 800 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix) |
2996f5dd | 801 | { |
69aad6f1 ACM |
802 | struct perf_stat *ps = counter->priv; |
803 | double avg = avg_stats(&ps->res_stats[0]); | |
c52b12ed | 804 | int scaled = counter->counts->scaled; |
410136f5 | 805 | double uval; |
d73515c0 AK |
806 | double avg_enabled, avg_running; |
807 | ||
808 | avg_enabled = avg_stats(&ps->res_stats[1]); | |
809 | avg_running = avg_stats(&ps->res_stats[2]); | |
2996f5dd | 810 | |
13370a9b SE |
811 | if (prefix) |
812 | fprintf(output, "%s", prefix); | |
813 | ||
3b4331d9 | 814 | if (scaled == -1 || !counter->supported) { |
410136f5 | 815 | fprintf(output, "%*s%s", |
d7470b6a | 816 | csv_output ? 0 : 18, |
2cee77c4 | 817 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
410136f5 SE |
818 | csv_sep); |
819 | fprintf(output, "%-*s%s", | |
820 | csv_output ? 0 : unit_width, | |
821 | counter->unit, csv_sep); | |
822 | fprintf(output, "%*s", | |
823 | csv_output ? 0 : -25, | |
7289f83c | 824 | perf_evsel__name(counter)); |
023695d9 SE |
825 | |
826 | if (counter->cgrp) | |
4aa9015f | 827 | fprintf(output, "%s%s", csv_sep, counter->cgrp->name); |
023695d9 | 828 | |
d73515c0 | 829 | print_running(avg_running, avg_enabled); |
4aa9015f | 830 | fputc('\n', output); |
2996f5dd IM |
831 | return; |
832 | } | |
c04f5e5d | 833 | |
410136f5 SE |
834 | uval = avg * counter->scale; |
835 | ||
44175b6f | 836 | if (nsec_counter(counter)) |
410136f5 | 837 | nsec_printout(-1, 0, counter, uval); |
44175b6f | 838 | else |
410136f5 | 839 | abs_printout(-1, 0, counter, uval); |
849abde9 | 840 | |
3ae9a34d ZH |
841 | print_noise(counter, avg); |
842 | ||
d73515c0 | 843 | print_running(avg_running, avg_enabled); |
4aa9015f | 844 | fprintf(output, "\n"); |
c04f5e5d IM |
845 | } |
846 | ||
f5b4a9c3 SE |
847 | /* |
848 | * Print out the results of a single counter: | |
849 | * does not use aggregated count in system-wide | |
850 | */ | |
13370a9b | 851 | static void print_counter(struct perf_evsel *counter, char *prefix) |
f5b4a9c3 SE |
852 | { |
853 | u64 ena, run, val; | |
410136f5 | 854 | double uval; |
f5b4a9c3 SE |
855 | int cpu; |
856 | ||
7ae92e74 | 857 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
a6fa0038 JO |
858 | val = perf_counts(counter->counts, cpu, 0)->val; |
859 | ena = perf_counts(counter->counts, cpu, 0)->ena; | |
860 | run = perf_counts(counter->counts, cpu, 0)->run; | |
13370a9b SE |
861 | |
862 | if (prefix) | |
863 | fprintf(output, "%s", prefix); | |
864 | ||
f5b4a9c3 | 865 | if (run == 0 || ena == 0) { |
410136f5 | 866 | fprintf(output, "CPU%*d%s%*s%s", |
d7470b6a | 867 | csv_output ? 0 : -4, |
7ae92e74 | 868 | perf_evsel__cpus(counter)->map[cpu], csv_sep, |
d7470b6a | 869 | csv_output ? 0 : 18, |
2cee77c4 | 870 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
410136f5 SE |
871 | csv_sep); |
872 | ||
873 | fprintf(output, "%-*s%s", | |
874 | csv_output ? 0 : unit_width, | |
875 | counter->unit, csv_sep); | |
876 | ||
877 | fprintf(output, "%*s", | |
878 | csv_output ? 0 : -25, | |
879 | perf_evsel__name(counter)); | |
f5b4a9c3 | 880 | |
023695d9 | 881 | if (counter->cgrp) |
4aa9015f SE |
882 | fprintf(output, "%s%s", |
883 | csv_sep, counter->cgrp->name); | |
023695d9 | 884 | |
d73515c0 | 885 | print_running(run, ena); |
4aa9015f | 886 | fputc('\n', output); |
f5b4a9c3 SE |
887 | continue; |
888 | } | |
889 | ||
410136f5 SE |
890 | uval = val * counter->scale; |
891 | ||
f5b4a9c3 | 892 | if (nsec_counter(counter)) |
410136f5 | 893 | nsec_printout(cpu, 0, counter, uval); |
f5b4a9c3 | 894 | else |
410136f5 | 895 | abs_printout(cpu, 0, counter, uval); |
f5b4a9c3 | 896 | |
d73515c0 | 897 | if (!csv_output) |
d7470b6a | 898 | print_noise(counter, 1.0); |
d73515c0 | 899 | print_running(run, ena); |
f5b4a9c3 | 900 | |
4aa9015f | 901 | fputc('\n', output); |
f5b4a9c3 SE |
902 | } |
903 | } | |
904 | ||
d4f63a47 JO |
905 | static void print_interval(char *prefix, struct timespec *ts) |
906 | { | |
907 | static int num_print_interval; | |
908 | ||
909 | sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); | |
910 | ||
911 | if (num_print_interval == 0 && !csv_output) { | |
912 | switch (aggr_mode) { | |
913 | case AGGR_SOCKET: | |
914 | fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit"); | |
915 | break; | |
916 | case AGGR_CORE: | |
917 | fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit"); | |
918 | break; | |
919 | case AGGR_NONE: | |
920 | fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit"); | |
921 | break; | |
32b8af82 JO |
922 | case AGGR_THREAD: |
923 | fprintf(output, "# time comm-pid counts %*s events\n", unit_width, "unit"); | |
924 | break; | |
d4f63a47 JO |
925 | case AGGR_GLOBAL: |
926 | default: | |
927 | fprintf(output, "# time counts %*s events\n", unit_width, "unit"); | |
928 | } | |
929 | } | |
930 | ||
931 | if (++num_print_interval == 25) | |
932 | num_print_interval = 0; | |
933 | } | |
934 | ||
935 | static void print_header(int argc, const char **argv) | |
42202dd5 | 936 | { |
69aad6f1 | 937 | int i; |
42202dd5 | 938 | |
ddcacfa0 IM |
939 | fflush(stdout); |
940 | ||
d7470b6a | 941 | if (!csv_output) { |
4aa9015f SE |
942 | fprintf(output, "\n"); |
943 | fprintf(output, " Performance counter stats for "); | |
62d3b617 DA |
944 | if (target.system_wide) |
945 | fprintf(output, "\'system wide"); | |
946 | else if (target.cpu_list) | |
947 | fprintf(output, "\'CPU(s) %s", target.cpu_list); | |
602ad878 | 948 | else if (!target__has_task(&target)) { |
4aa9015f | 949 | fprintf(output, "\'%s", argv[0]); |
d7470b6a | 950 | for (i = 1; i < argc; i++) |
4aa9015f | 951 | fprintf(output, " %s", argv[i]); |
20f946b4 NK |
952 | } else if (target.pid) |
953 | fprintf(output, "process id \'%s", target.pid); | |
d7470b6a | 954 | else |
20f946b4 | 955 | fprintf(output, "thread id \'%s", target.tid); |
44db76c8 | 956 | |
4aa9015f | 957 | fprintf(output, "\'"); |
d7470b6a | 958 | if (run_count > 1) |
4aa9015f SE |
959 | fprintf(output, " (%d runs)", run_count); |
960 | fprintf(output, ":\n\n"); | |
d7470b6a | 961 | } |
d4f63a47 JO |
962 | } |
963 | ||
964 | static void print_footer(void) | |
965 | { | |
966 | if (!null_run) | |
967 | fprintf(output, "\n"); | |
968 | fprintf(output, " %17.9f seconds time elapsed", | |
969 | avg_stats(&walltime_nsecs_stats)/1e9); | |
970 | if (run_count > 1) { | |
971 | fprintf(output, " "); | |
972 | print_noise_pct(stddev_stats(&walltime_nsecs_stats), | |
973 | avg_stats(&walltime_nsecs_stats)); | |
974 | } | |
975 | fprintf(output, "\n\n"); | |
976 | } | |
977 | ||
978 | static void print_counters(struct timespec *ts, int argc, const char **argv) | |
979 | { | |
980 | struct perf_evsel *counter; | |
981 | char buf[64], *prefix = NULL; | |
982 | ||
983 | if (interval) | |
984 | print_interval(prefix = buf, ts); | |
985 | else | |
986 | print_header(argc, argv); | |
2996f5dd | 987 | |
86ee6e18 | 988 | switch (aggr_mode) { |
12c08a9f | 989 | case AGGR_CORE: |
86ee6e18 | 990 | case AGGR_SOCKET: |
d4f63a47 | 991 | print_aggr(prefix); |
86ee6e18 | 992 | break; |
32b8af82 JO |
993 | case AGGR_THREAD: |
994 | evlist__for_each(evsel_list, counter) | |
995 | print_aggr_thread(counter, prefix); | |
996 | break; | |
86ee6e18 | 997 | case AGGR_GLOBAL: |
0050f7aa | 998 | evlist__for_each(evsel_list, counter) |
d4f63a47 | 999 | print_counter_aggr(counter, prefix); |
86ee6e18 SE |
1000 | break; |
1001 | case AGGR_NONE: | |
0050f7aa | 1002 | evlist__for_each(evsel_list, counter) |
d4f63a47 | 1003 | print_counter(counter, prefix); |
86ee6e18 SE |
1004 | break; |
1005 | default: | |
1006 | break; | |
f5b4a9c3 | 1007 | } |
ddcacfa0 | 1008 | |
d4f63a47 JO |
1009 | if (!interval && !csv_output) |
1010 | print_footer(); | |
1011 | ||
1012 | fflush(output); | |
ddcacfa0 IM |
1013 | } |
1014 | ||
f7b7c26e PZ |
1015 | static volatile int signr = -1; |
1016 | ||
5242519b | 1017 | static void skip_signal(int signo) |
ddcacfa0 | 1018 | { |
13370a9b | 1019 | if ((child_pid == -1) || interval) |
60666c63 LW |
1020 | done = 1; |
1021 | ||
f7b7c26e | 1022 | signr = signo; |
d07f0b12 SE |
1023 | /* |
1024 | * render child_pid harmless | |
1025 | * won't send SIGTERM to a random | |
1026 | * process in case of race condition | |
1027 | * and fast PID recycling | |
1028 | */ | |
1029 | child_pid = -1; | |
f7b7c26e PZ |
1030 | } |
1031 | ||
1032 | static void sig_atexit(void) | |
1033 | { | |
d07f0b12 SE |
1034 | sigset_t set, oset; |
1035 | ||
1036 | /* | |
1037 | * avoid race condition with SIGCHLD handler | |
1038 | * in skip_signal() which is modifying child_pid | |
1039 | * goal is to avoid send SIGTERM to a random | |
1040 | * process | |
1041 | */ | |
1042 | sigemptyset(&set); | |
1043 | sigaddset(&set, SIGCHLD); | |
1044 | sigprocmask(SIG_BLOCK, &set, &oset); | |
1045 | ||
933da83a CW |
1046 | if (child_pid != -1) |
1047 | kill(child_pid, SIGTERM); | |
1048 | ||
d07f0b12 SE |
1049 | sigprocmask(SIG_SETMASK, &oset, NULL); |
1050 | ||
f7b7c26e PZ |
1051 | if (signr == -1) |
1052 | return; | |
1053 | ||
1054 | signal(signr, SIG_DFL); | |
1055 | kill(getpid(), signr); | |
5242519b IM |
1056 | } |
1057 | ||
1d037ca1 IT |
1058 | static int stat__set_big_num(const struct option *opt __maybe_unused, |
1059 | const char *s __maybe_unused, int unset) | |
d7470b6a SE |
1060 | { |
1061 | big_num_opt = unset ? 0 : 1; | |
1062 | return 0; | |
1063 | } | |
1064 | ||
86ee6e18 SE |
1065 | static int perf_stat_init_aggr_mode(void) |
1066 | { | |
1067 | switch (aggr_mode) { | |
1068 | case AGGR_SOCKET: | |
1069 | if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { | |
1070 | perror("cannot build socket map"); | |
1071 | return -1; | |
1072 | } | |
1073 | aggr_get_id = cpu_map__get_socket; | |
1074 | break; | |
12c08a9f SE |
1075 | case AGGR_CORE: |
1076 | if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { | |
1077 | perror("cannot build core map"); | |
1078 | return -1; | |
1079 | } | |
1080 | aggr_get_id = cpu_map__get_core; | |
1081 | break; | |
86ee6e18 SE |
1082 | case AGGR_NONE: |
1083 | case AGGR_GLOBAL: | |
32b8af82 | 1084 | case AGGR_THREAD: |
86ee6e18 SE |
1085 | default: |
1086 | break; | |
1087 | } | |
1088 | return 0; | |
1089 | } | |
1090 | ||
2cba3ffb IM |
1091 | /* |
1092 | * Add default attributes, if there were no attributes specified or | |
1093 | * if -d/--detailed, -d -d or -d -d -d is used: | |
1094 | */ | |
1095 | static int add_default_attributes(void) | |
1096 | { | |
b070a547 ACM |
1097 | struct perf_event_attr default_attrs[] = { |
1098 | ||
1099 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, | |
1100 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, | |
1101 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, | |
1102 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, | |
1103 | ||
1104 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, | |
1105 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, | |
1106 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, | |
1107 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, | |
1108 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, | |
1109 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, | |
1110 | ||
1111 | }; | |
1112 | ||
1113 | /* | |
1114 | * Detailed stats (-d), covering the L1 and last level data caches: | |
1115 | */ | |
1116 | struct perf_event_attr detailed_attrs[] = { | |
1117 | ||
1118 | { .type = PERF_TYPE_HW_CACHE, | |
1119 | .config = | |
1120 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1121 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1122 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1123 | ||
1124 | { .type = PERF_TYPE_HW_CACHE, | |
1125 | .config = | |
1126 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1127 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1128 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1129 | ||
1130 | { .type = PERF_TYPE_HW_CACHE, | |
1131 | .config = | |
1132 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1133 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1134 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1135 | ||
1136 | { .type = PERF_TYPE_HW_CACHE, | |
1137 | .config = | |
1138 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1139 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1140 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1141 | }; | |
1142 | ||
1143 | /* | |
1144 | * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: | |
1145 | */ | |
1146 | struct perf_event_attr very_detailed_attrs[] = { | |
1147 | ||
1148 | { .type = PERF_TYPE_HW_CACHE, | |
1149 | .config = | |
1150 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1151 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1152 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1153 | ||
1154 | { .type = PERF_TYPE_HW_CACHE, | |
1155 | .config = | |
1156 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1157 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1158 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1159 | ||
1160 | { .type = PERF_TYPE_HW_CACHE, | |
1161 | .config = | |
1162 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1163 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1164 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1165 | ||
1166 | { .type = PERF_TYPE_HW_CACHE, | |
1167 | .config = | |
1168 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1169 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1170 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1171 | ||
1172 | { .type = PERF_TYPE_HW_CACHE, | |
1173 | .config = | |
1174 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1175 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1176 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1177 | ||
1178 | { .type = PERF_TYPE_HW_CACHE, | |
1179 | .config = | |
1180 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1181 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1182 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1183 | ||
1184 | }; | |
1185 | ||
1186 | /* | |
1187 | * Very, very detailed stats (-d -d -d), adding prefetch events: | |
1188 | */ | |
1189 | struct perf_event_attr very_very_detailed_attrs[] = { | |
1190 | ||
1191 | { .type = PERF_TYPE_HW_CACHE, | |
1192 | .config = | |
1193 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1194 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
1195 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1196 | ||
1197 | { .type = PERF_TYPE_HW_CACHE, | |
1198 | .config = | |
1199 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1200 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
1201 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1202 | }; | |
1203 | ||
2cba3ffb IM |
1204 | /* Set attrs if no event is selected and !null_run: */ |
1205 | if (null_run) | |
1206 | return 0; | |
1207 | ||
4cabc3d1 AK |
1208 | if (transaction_run) { |
1209 | int err; | |
1210 | if (pmu_have_event("cpu", "cycles-ct") && | |
1211 | pmu_have_event("cpu", "el-start")) | |
a454742c | 1212 | err = parse_events(evsel_list, transaction_attrs, NULL); |
4cabc3d1 | 1213 | else |
a454742c JO |
1214 | err = parse_events(evsel_list, transaction_limited_attrs, NULL); |
1215 | if (err) { | |
4cabc3d1 AK |
1216 | fprintf(stderr, "Cannot set up transaction events\n"); |
1217 | return -1; | |
1218 | } | |
1219 | return 0; | |
1220 | } | |
1221 | ||
2cba3ffb | 1222 | if (!evsel_list->nr_entries) { |
79695e1b | 1223 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0) |
50d08e47 | 1224 | return -1; |
2cba3ffb IM |
1225 | } |
1226 | ||
1227 | /* Detailed events get appended to the event list: */ | |
1228 | ||
1229 | if (detailed_run < 1) | |
1230 | return 0; | |
1231 | ||
1232 | /* Append detailed run extra attributes: */ | |
79695e1b | 1233 | if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) |
50d08e47 | 1234 | return -1; |
2cba3ffb IM |
1235 | |
1236 | if (detailed_run < 2) | |
1237 | return 0; | |
1238 | ||
1239 | /* Append very detailed run extra attributes: */ | |
79695e1b | 1240 | if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) |
50d08e47 | 1241 | return -1; |
2cba3ffb IM |
1242 | |
1243 | if (detailed_run < 3) | |
1244 | return 0; | |
1245 | ||
1246 | /* Append very, very detailed run extra attributes: */ | |
79695e1b | 1247 | return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); |
2cba3ffb IM |
1248 | } |
1249 | ||
1d037ca1 | 1250 | int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) |
5242519b | 1251 | { |
1f16c575 | 1252 | bool append_file = false; |
b070a547 ACM |
1253 | int output_fd = 0; |
1254 | const char *output_name = NULL; | |
1255 | const struct option options[] = { | |
4cabc3d1 AK |
1256 | OPT_BOOLEAN('T', "transaction", &transaction_run, |
1257 | "hardware transaction statistics"), | |
b070a547 ACM |
1258 | OPT_CALLBACK('e', "event", &evsel_list, "event", |
1259 | "event selector. use 'perf list' to list available events", | |
1260 | parse_events_option), | |
1261 | OPT_CALLBACK(0, "filter", &evsel_list, "filter", | |
1262 | "event filter", parse_filter), | |
1263 | OPT_BOOLEAN('i', "no-inherit", &no_inherit, | |
1264 | "child tasks do not inherit counters"), | |
1265 | OPT_STRING('p', "pid", &target.pid, "pid", | |
1266 | "stat events on existing process id"), | |
1267 | OPT_STRING('t', "tid", &target.tid, "tid", | |
1268 | "stat events on existing thread id"), | |
1269 | OPT_BOOLEAN('a', "all-cpus", &target.system_wide, | |
1270 | "system-wide collection from all CPUs"), | |
1271 | OPT_BOOLEAN('g', "group", &group, | |
1272 | "put the counters into a counter group"), | |
1273 | OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"), | |
1274 | OPT_INCR('v', "verbose", &verbose, | |
1275 | "be more verbose (show counter open errors, etc)"), | |
1276 | OPT_INTEGER('r', "repeat", &run_count, | |
a7e191c3 | 1277 | "repeat command and print average + stddev (max: 100, forever: 0)"), |
b070a547 ACM |
1278 | OPT_BOOLEAN('n', "null", &null_run, |
1279 | "null run - dont start any counters"), | |
1280 | OPT_INCR('d', "detailed", &detailed_run, | |
1281 | "detailed run - start a lot of events"), | |
1282 | OPT_BOOLEAN('S', "sync", &sync_run, | |
1283 | "call sync() before starting a run"), | |
48000a1a | 1284 | OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, |
b070a547 ACM |
1285 | "print large numbers with thousands\' separators", |
1286 | stat__set_big_num), | |
1287 | OPT_STRING('C', "cpu", &target.cpu_list, "cpu", | |
1288 | "list of cpus to monitor in system-wide"), | |
86ee6e18 SE |
1289 | OPT_SET_UINT('A', "no-aggr", &aggr_mode, |
1290 | "disable CPU count aggregation", AGGR_NONE), | |
b070a547 ACM |
1291 | OPT_STRING('x', "field-separator", &csv_sep, "separator", |
1292 | "print counts with custom separator"), | |
1293 | OPT_CALLBACK('G', "cgroup", &evsel_list, "name", | |
1294 | "monitor event in cgroup name only", parse_cgroups), | |
1295 | OPT_STRING('o', "output", &output_name, "file", "output file name"), | |
1296 | OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), | |
1297 | OPT_INTEGER(0, "log-fd", &output_fd, | |
1298 | "log output to fd, instead of stderr"), | |
1f16c575 PZ |
1299 | OPT_STRING(0, "pre", &pre_cmd, "command", |
1300 | "command to run prior to the measured command"), | |
1301 | OPT_STRING(0, "post", &post_cmd, "command", | |
1302 | "command to run after to the measured command"), | |
13370a9b SE |
1303 | OPT_UINTEGER('I', "interval-print", &interval, |
1304 | "print counts at regular interval in ms (>= 100)"), | |
d4304958 | 1305 | OPT_SET_UINT(0, "per-socket", &aggr_mode, |
86ee6e18 | 1306 | "aggregate counts per processor socket", AGGR_SOCKET), |
12c08a9f SE |
1307 | OPT_SET_UINT(0, "per-core", &aggr_mode, |
1308 | "aggregate counts per physical processor core", AGGR_CORE), | |
32b8af82 JO |
1309 | OPT_SET_UINT(0, "per-thread", &aggr_mode, |
1310 | "aggregate counts per thread", AGGR_THREAD), | |
41191688 AK |
1311 | OPT_UINTEGER('D', "delay", &initial_delay, |
1312 | "ms to wait before starting measurement after program start"), | |
b070a547 ACM |
1313 | OPT_END() |
1314 | }; | |
1315 | const char * const stat_usage[] = { | |
1316 | "perf stat [<options>] [<command>]", | |
1317 | NULL | |
1318 | }; | |
cc03c542 | 1319 | int status = -EINVAL, run_idx; |
4aa9015f | 1320 | const char *mode; |
42202dd5 | 1321 | |
5af52b51 SE |
1322 | setlocale(LC_ALL, ""); |
1323 | ||
334fe7a3 | 1324 | evsel_list = perf_evlist__new(); |
361c99a6 ACM |
1325 | if (evsel_list == NULL) |
1326 | return -ENOMEM; | |
1327 | ||
a0541234 AB |
1328 | argc = parse_options(argc, argv, options, stat_usage, |
1329 | PARSE_OPT_STOP_AT_NON_OPTION); | |
d7470b6a | 1330 | |
4aa9015f SE |
1331 | output = stderr; |
1332 | if (output_name && strcmp(output_name, "-")) | |
1333 | output = NULL; | |
1334 | ||
56f3bae7 JC |
1335 | if (output_name && output_fd) { |
1336 | fprintf(stderr, "cannot use both --output and --log-fd\n"); | |
cc03c542 NK |
1337 | parse_options_usage(stat_usage, options, "o", 1); |
1338 | parse_options_usage(NULL, options, "log-fd", 0); | |
1339 | goto out; | |
56f3bae7 | 1340 | } |
fc3e4d07 SE |
1341 | |
1342 | if (output_fd < 0) { | |
1343 | fprintf(stderr, "argument to --log-fd must be a > 0\n"); | |
cc03c542 NK |
1344 | parse_options_usage(stat_usage, options, "log-fd", 0); |
1345 | goto out; | |
fc3e4d07 SE |
1346 | } |
1347 | ||
4aa9015f SE |
1348 | if (!output) { |
1349 | struct timespec tm; | |
1350 | mode = append_file ? "a" : "w"; | |
1351 | ||
1352 | output = fopen(output_name, mode); | |
1353 | if (!output) { | |
1354 | perror("failed to create output file"); | |
fceda7fe | 1355 | return -1; |
4aa9015f SE |
1356 | } |
1357 | clock_gettime(CLOCK_REALTIME, &tm); | |
1358 | fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); | |
fc3e4d07 | 1359 | } else if (output_fd > 0) { |
56f3bae7 JC |
1360 | mode = append_file ? "a" : "w"; |
1361 | output = fdopen(output_fd, mode); | |
1362 | if (!output) { | |
1363 | perror("Failed opening logfd"); | |
1364 | return -errno; | |
1365 | } | |
4aa9015f SE |
1366 | } |
1367 | ||
d4ffd04d | 1368 | if (csv_sep) { |
d7470b6a | 1369 | csv_output = true; |
d4ffd04d JC |
1370 | if (!strcmp(csv_sep, "\\t")) |
1371 | csv_sep = "\t"; | |
1372 | } else | |
d7470b6a SE |
1373 | csv_sep = DEFAULT_SEPARATOR; |
1374 | ||
1375 | /* | |
1376 | * let the spreadsheet do the pretty-printing | |
1377 | */ | |
1378 | if (csv_output) { | |
61a9f324 | 1379 | /* User explicitly passed -B? */ |
d7470b6a SE |
1380 | if (big_num_opt == 1) { |
1381 | fprintf(stderr, "-B option not supported with -x\n"); | |
cc03c542 NK |
1382 | parse_options_usage(stat_usage, options, "B", 1); |
1383 | parse_options_usage(NULL, options, "x", 1); | |
1384 | goto out; | |
d7470b6a SE |
1385 | } else /* Nope, so disable big number formatting */ |
1386 | big_num = false; | |
1387 | } else if (big_num_opt == 0) /* User passed --no-big-num */ | |
1388 | big_num = false; | |
1389 | ||
602ad878 | 1390 | if (!argc && target__none(&target)) |
5242519b | 1391 | usage_with_options(stat_usage, options); |
ac3063bd | 1392 | |
a7e191c3 | 1393 | if (run_count < 0) { |
cc03c542 NK |
1394 | pr_err("Run count must be a positive number\n"); |
1395 | parse_options_usage(stat_usage, options, "r", 1); | |
1396 | goto out; | |
a7e191c3 FD |
1397 | } else if (run_count == 0) { |
1398 | forever = true; | |
1399 | run_count = 1; | |
1400 | } | |
ddcacfa0 | 1401 | |
32b8af82 JO |
1402 | if ((aggr_mode == AGGR_THREAD) && !target__has_task(&target)) { |
1403 | fprintf(stderr, "The --per-thread option is only available " | |
1404 | "when monitoring via -p -t options.\n"); | |
1405 | parse_options_usage(NULL, options, "p", 1); | |
1406 | parse_options_usage(NULL, options, "t", 1); | |
1407 | goto out; | |
1408 | } | |
1409 | ||
1410 | /* | |
1411 | * no_aggr, cgroup are for system-wide only | |
1412 | * --per-thread is aggregated per thread, we dont mix it with cpu mode | |
1413 | */ | |
1414 | if (((aggr_mode != AGGR_GLOBAL && aggr_mode != AGGR_THREAD) || nr_cgroups) && | |
602ad878 | 1415 | !target__has_cpu(&target)) { |
023695d9 SE |
1416 | fprintf(stderr, "both cgroup and no-aggregation " |
1417 | "modes only available in system-wide mode\n"); | |
1418 | ||
cc03c542 NK |
1419 | parse_options_usage(stat_usage, options, "G", 1); |
1420 | parse_options_usage(NULL, options, "A", 1); | |
1421 | parse_options_usage(NULL, options, "a", 1); | |
1422 | goto out; | |
d7e7a451 SE |
1423 | } |
1424 | ||
2cba3ffb IM |
1425 | if (add_default_attributes()) |
1426 | goto out; | |
ddcacfa0 | 1427 | |
602ad878 | 1428 | target__validate(&target); |
5c98d466 | 1429 | |
77a6f014 | 1430 | if (perf_evlist__create_maps(evsel_list, &target) < 0) { |
602ad878 | 1431 | if (target__has_task(&target)) { |
77a6f014 | 1432 | pr_err("Problems finding threads of monitor\n"); |
cc03c542 NK |
1433 | parse_options_usage(stat_usage, options, "p", 1); |
1434 | parse_options_usage(NULL, options, "t", 1); | |
602ad878 | 1435 | } else if (target__has_cpu(&target)) { |
77a6f014 | 1436 | perror("failed to parse CPUs map"); |
cc03c542 NK |
1437 | parse_options_usage(stat_usage, options, "C", 1); |
1438 | parse_options_usage(NULL, options, "a", 1); | |
1439 | } | |
1440 | goto out; | |
60d567e2 | 1441 | } |
32b8af82 JO |
1442 | |
1443 | /* | |
1444 | * Initialize thread_map with comm names, | |
1445 | * so we could print it out on output. | |
1446 | */ | |
1447 | if (aggr_mode == AGGR_THREAD) | |
1448 | thread_map__read_comms(evsel_list->threads); | |
1449 | ||
13370a9b SE |
1450 | if (interval && interval < 100) { |
1451 | pr_err("print interval must be >= 100ms\n"); | |
cc03c542 | 1452 | parse_options_usage(stat_usage, options, "I", 1); |
03ad9747 | 1453 | goto out; |
13370a9b | 1454 | } |
c45c6ea2 | 1455 | |
d134ffb9 | 1456 | if (perf_evlist__alloc_stats(evsel_list, interval)) |
03ad9747 | 1457 | goto out; |
d6d901c2 | 1458 | |
86ee6e18 | 1459 | if (perf_stat_init_aggr_mode()) |
03ad9747 | 1460 | goto out; |
86ee6e18 | 1461 | |
58d7e993 IM |
1462 | /* |
1463 | * We dont want to block the signals - that would cause | |
1464 | * child tasks to inherit that and Ctrl-C would not work. | |
1465 | * What we want is for Ctrl-C to work in the exec()-ed | |
1466 | * task, but being ignored by perf stat itself: | |
1467 | */ | |
f7b7c26e | 1468 | atexit(sig_atexit); |
a7e191c3 FD |
1469 | if (!forever) |
1470 | signal(SIGINT, skip_signal); | |
13370a9b | 1471 | signal(SIGCHLD, skip_signal); |
58d7e993 IM |
1472 | signal(SIGALRM, skip_signal); |
1473 | signal(SIGABRT, skip_signal); | |
1474 | ||
42202dd5 | 1475 | status = 0; |
a7e191c3 | 1476 | for (run_idx = 0; forever || run_idx < run_count; run_idx++) { |
42202dd5 | 1477 | if (run_count != 1 && verbose) |
4aa9015f SE |
1478 | fprintf(output, "[ perf stat: executing run #%d ... ]\n", |
1479 | run_idx + 1); | |
f9cef0a9 | 1480 | |
42202dd5 | 1481 | status = run_perf_stat(argc, argv); |
a7e191c3 | 1482 | if (forever && status != -1) { |
d4f63a47 | 1483 | print_counters(NULL, argc, argv); |
254ecbc7 | 1484 | perf_stat__reset_stats(); |
a7e191c3 | 1485 | } |
42202dd5 IM |
1486 | } |
1487 | ||
a7e191c3 | 1488 | if (!forever && status != -1 && !interval) |
d4f63a47 | 1489 | print_counters(NULL, argc, argv); |
d134ffb9 ACM |
1490 | |
1491 | perf_evlist__free_stats(evsel_list); | |
0015e2e1 ACM |
1492 | out: |
1493 | perf_evlist__delete(evsel_list); | |
42202dd5 | 1494 | return status; |
ddcacfa0 | 1495 | } |