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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" |
d809560b | 61 | #include "util/counts.h" |
ddcacfa0 | 62 | |
1f16c575 | 63 | #include <stdlib.h> |
ddcacfa0 | 64 | #include <sys/prctl.h> |
5af52b51 | 65 | #include <locale.h> |
16c8a109 | 66 | |
d7470b6a | 67 | #define DEFAULT_SEPARATOR " " |
2cee77c4 DA |
68 | #define CNTR_NOT_SUPPORTED "<not supported>" |
69 | #define CNTR_NOT_COUNTED "<not counted>" | |
d7470b6a | 70 | |
d4f63a47 | 71 | static void print_counters(struct timespec *ts, int argc, const char **argv); |
13370a9b | 72 | |
4cabc3d1 | 73 | /* Default events used for perf stat -T */ |
a454742c JO |
74 | static const char *transaction_attrs = { |
75 | "task-clock," | |
4cabc3d1 AK |
76 | "{" |
77 | "instructions," | |
78 | "cycles," | |
79 | "cpu/cycles-t/," | |
80 | "cpu/tx-start/," | |
81 | "cpu/el-start/," | |
82 | "cpu/cycles-ct/" | |
83 | "}" | |
84 | }; | |
85 | ||
86 | /* More limited version when the CPU does not have all events. */ | |
a454742c JO |
87 | static const char * transaction_limited_attrs = { |
88 | "task-clock," | |
4cabc3d1 AK |
89 | "{" |
90 | "instructions," | |
91 | "cycles," | |
92 | "cpu/cycles-t/," | |
93 | "cpu/tx-start/" | |
94 | "}" | |
95 | }; | |
96 | ||
666e6d48 | 97 | static struct perf_evlist *evsel_list; |
361c99a6 | 98 | |
602ad878 | 99 | static struct target target = { |
77a6f014 NK |
100 | .uid = UINT_MAX, |
101 | }; | |
ddcacfa0 | 102 | |
3d632595 | 103 | static int run_count = 1; |
2e6cdf99 | 104 | static bool no_inherit = false; |
d07f0b12 | 105 | static volatile pid_t child_pid = -1; |
c0555642 | 106 | static bool null_run = false; |
2cba3ffb | 107 | static int detailed_run = 0; |
4cabc3d1 | 108 | static bool transaction_run; |
201e0b06 | 109 | static bool big_num = true; |
d7470b6a | 110 | static int big_num_opt = -1; |
d7470b6a SE |
111 | static const char *csv_sep = NULL; |
112 | static bool csv_output = false; | |
43bece79 | 113 | static bool group = false; |
1f16c575 PZ |
114 | static const char *pre_cmd = NULL; |
115 | static const char *post_cmd = NULL; | |
116 | static bool sync_run = false; | |
41191688 | 117 | static unsigned int initial_delay = 0; |
410136f5 | 118 | static unsigned int unit_width = 4; /* strlen("unit") */ |
a7e191c3 | 119 | static bool forever = false; |
13370a9b | 120 | static struct timespec ref_time; |
86ee6e18 SE |
121 | static struct cpu_map *aggr_map; |
122 | static int (*aggr_get_id)(struct cpu_map *m, int cpu); | |
5af52b51 | 123 | |
60666c63 LW |
124 | static volatile int done = 0; |
125 | ||
421a50f3 JO |
126 | static struct perf_stat_config stat_config = { |
127 | .aggr_mode = AGGR_GLOBAL, | |
711a572e | 128 | .scale = true, |
421a50f3 JO |
129 | }; |
130 | ||
13370a9b SE |
131 | static inline void diff_timespec(struct timespec *r, struct timespec *a, |
132 | struct timespec *b) | |
133 | { | |
134 | r->tv_sec = a->tv_sec - b->tv_sec; | |
135 | if (a->tv_nsec < b->tv_nsec) { | |
136 | r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; | |
137 | r->tv_sec--; | |
138 | } else { | |
139 | r->tv_nsec = a->tv_nsec - b->tv_nsec ; | |
140 | } | |
141 | } | |
142 | ||
254ecbc7 JO |
143 | static void perf_stat__reset_stats(void) |
144 | { | |
145 | perf_evlist__reset_stats(evsel_list); | |
f87027b9 | 146 | perf_stat__reset_shadow_stats(); |
1eda3b21 JO |
147 | } |
148 | ||
cac21425 | 149 | static int create_perf_stat_counter(struct perf_evsel *evsel) |
ddcacfa0 | 150 | { |
69aad6f1 | 151 | struct perf_event_attr *attr = &evsel->attr; |
727ab04e | 152 | |
711a572e | 153 | if (stat_config.scale) |
a21ca2ca IM |
154 | attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | |
155 | PERF_FORMAT_TOTAL_TIME_RUNNING; | |
ddcacfa0 | 156 | |
5d2cd909 ACM |
157 | attr->inherit = !no_inherit; |
158 | ||
602ad878 | 159 | if (target__has_cpu(&target)) |
594ac61a | 160 | return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); |
5622c07b | 161 | |
602ad878 | 162 | if (!target__has_task(&target) && perf_evsel__is_group_leader(evsel)) { |
48290609 | 163 | attr->disabled = 1; |
41191688 AK |
164 | if (!initial_delay) |
165 | attr->enable_on_exec = 1; | |
ddcacfa0 | 166 | } |
084ab9f8 | 167 | |
594ac61a | 168 | return perf_evsel__open_per_thread(evsel, evsel_list->threads); |
ddcacfa0 IM |
169 | } |
170 | ||
c04f5e5d IM |
171 | /* |
172 | * Does the counter have nsecs as a unit? | |
173 | */ | |
daec78a0 | 174 | static inline int nsec_counter(struct perf_evsel *evsel) |
c04f5e5d | 175 | { |
daec78a0 ACM |
176 | if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || |
177 | perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) | |
c04f5e5d IM |
178 | return 1; |
179 | ||
180 | return 0; | |
181 | } | |
182 | ||
f5b4a9c3 SE |
183 | /* |
184 | * Read out the results of a single counter: | |
185 | * do not aggregate counts across CPUs in system-wide mode | |
186 | */ | |
c52b12ed | 187 | static int read_counter(struct perf_evsel *counter) |
f5b4a9c3 | 188 | { |
9bf1a529 JO |
189 | int nthreads = thread_map__nr(evsel_list->threads); |
190 | int ncpus = perf_evsel__nr_cpus(counter); | |
191 | int cpu, thread; | |
f5b4a9c3 | 192 | |
3b4331d9 SP |
193 | if (!counter->supported) |
194 | return -ENOENT; | |
195 | ||
9bf1a529 JO |
196 | if (counter->system_wide) |
197 | nthreads = 1; | |
198 | ||
199 | for (thread = 0; thread < nthreads; thread++) { | |
200 | for (cpu = 0; cpu < ncpus; cpu++) { | |
3b3eb044 JO |
201 | struct perf_counts_values *count; |
202 | ||
203 | count = perf_counts(counter->counts, cpu, thread); | |
204 | if (perf_evsel__read(counter, cpu, thread, count)) | |
9bf1a529 JO |
205 | return -1; |
206 | } | |
f5b4a9c3 | 207 | } |
c52b12ed ACM |
208 | |
209 | return 0; | |
2996f5dd IM |
210 | } |
211 | ||
5fc472a6 | 212 | static void read_counters(bool close_counters) |
13370a9b | 213 | { |
13370a9b | 214 | struct perf_evsel *counter; |
13370a9b | 215 | |
106a94a0 | 216 | evlist__for_each(evsel_list, counter) { |
3b3eb044 | 217 | if (read_counter(counter)) |
245bad8e | 218 | pr_debug("failed to read counter %s\n", counter->name); |
3b3eb044 | 219 | |
f80010eb | 220 | if (perf_stat_process_counter(&stat_config, counter)) |
3b3eb044 | 221 | pr_warning("failed to process counter %s\n", counter->name); |
106a94a0 | 222 | |
5fc472a6 | 223 | if (close_counters) { |
106a94a0 JO |
224 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), |
225 | thread_map__nr(evsel_list->threads)); | |
13370a9b SE |
226 | } |
227 | } | |
106a94a0 JO |
228 | } |
229 | ||
ba411a95 | 230 | static void process_interval(void) |
106a94a0 | 231 | { |
106a94a0 | 232 | struct timespec ts, rs; |
106a94a0 JO |
233 | |
234 | read_counters(false); | |
86ee6e18 | 235 | |
13370a9b SE |
236 | clock_gettime(CLOCK_MONOTONIC, &ts); |
237 | diff_timespec(&rs, &ts, &ref_time); | |
13370a9b | 238 | |
d4f63a47 | 239 | print_counters(&rs, 0, NULL); |
13370a9b SE |
240 | } |
241 | ||
41191688 AK |
242 | static void handle_initial_delay(void) |
243 | { | |
244 | struct perf_evsel *counter; | |
245 | ||
246 | if (initial_delay) { | |
247 | const int ncpus = cpu_map__nr(evsel_list->cpus), | |
248 | nthreads = thread_map__nr(evsel_list->threads); | |
249 | ||
250 | usleep(initial_delay * 1000); | |
0050f7aa | 251 | evlist__for_each(evsel_list, counter) |
41191688 AK |
252 | perf_evsel__enable(counter, ncpus, nthreads); |
253 | } | |
254 | } | |
255 | ||
f33cbe72 | 256 | static volatile int workload_exec_errno; |
6af206fd ACM |
257 | |
258 | /* | |
259 | * perf_evlist__prepare_workload will send a SIGUSR1 | |
260 | * if the fork fails, since we asked by setting its | |
261 | * want_signal to true. | |
262 | */ | |
f33cbe72 ACM |
263 | static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info, |
264 | void *ucontext __maybe_unused) | |
6af206fd | 265 | { |
f33cbe72 | 266 | workload_exec_errno = info->si_value.sival_int; |
6af206fd ACM |
267 | } |
268 | ||
acf28922 | 269 | static int __run_perf_stat(int argc, const char **argv) |
42202dd5 | 270 | { |
ec0d3d1f | 271 | int interval = stat_config.interval; |
56e52e85 | 272 | char msg[512]; |
42202dd5 | 273 | unsigned long long t0, t1; |
cac21425 | 274 | struct perf_evsel *counter; |
13370a9b | 275 | struct timespec ts; |
410136f5 | 276 | size_t l; |
42202dd5 | 277 | int status = 0; |
6be2850e | 278 | const bool forks = (argc > 0); |
42202dd5 | 279 | |
13370a9b SE |
280 | if (interval) { |
281 | ts.tv_sec = interval / 1000; | |
282 | ts.tv_nsec = (interval % 1000) * 1000000; | |
283 | } else { | |
284 | ts.tv_sec = 1; | |
285 | ts.tv_nsec = 0; | |
286 | } | |
287 | ||
60666c63 | 288 | if (forks) { |
735f7e0b ACM |
289 | if (perf_evlist__prepare_workload(evsel_list, &target, argv, false, |
290 | workload_exec_failed_signal) < 0) { | |
acf28922 NK |
291 | perror("failed to prepare workload"); |
292 | return -1; | |
60666c63 | 293 | } |
d20a47e7 | 294 | child_pid = evsel_list->workload.pid; |
051ae7f7 PM |
295 | } |
296 | ||
6a4bb04c | 297 | if (group) |
63dab225 | 298 | perf_evlist__set_leader(evsel_list); |
6a4bb04c | 299 | |
0050f7aa | 300 | evlist__for_each(evsel_list, counter) { |
cac21425 | 301 | if (create_perf_stat_counter(counter) < 0) { |
979987a5 DA |
302 | /* |
303 | * PPC returns ENXIO for HW counters until 2.6.37 | |
304 | * (behavior changed with commit b0a873e). | |
305 | */ | |
38f6ae1e | 306 | if (errno == EINVAL || errno == ENOSYS || |
979987a5 DA |
307 | errno == ENOENT || errno == EOPNOTSUPP || |
308 | errno == ENXIO) { | |
c63ca0c0 DA |
309 | if (verbose) |
310 | ui__warning("%s event is not supported by the kernel.\n", | |
7289f83c | 311 | perf_evsel__name(counter)); |
2cee77c4 | 312 | counter->supported = false; |
cb5ef600 KL |
313 | |
314 | if ((counter->leader != counter) || | |
315 | !(counter->leader->nr_members > 1)) | |
316 | continue; | |
c63ca0c0 | 317 | } |
ede70290 | 318 | |
56e52e85 ACM |
319 | perf_evsel__open_strerror(counter, &target, |
320 | errno, msg, sizeof(msg)); | |
321 | ui__error("%s\n", msg); | |
322 | ||
48290609 ACM |
323 | if (child_pid != -1) |
324 | kill(child_pid, SIGTERM); | |
fceda7fe | 325 | |
48290609 ACM |
326 | return -1; |
327 | } | |
2cee77c4 | 328 | counter->supported = true; |
410136f5 SE |
329 | |
330 | l = strlen(counter->unit); | |
331 | if (l > unit_width) | |
332 | unit_width = l; | |
084ab9f8 | 333 | } |
42202dd5 | 334 | |
23d4aad4 ACM |
335 | if (perf_evlist__apply_filters(evsel_list, &counter)) { |
336 | error("failed to set filter \"%s\" on event %s with %d (%s)\n", | |
337 | counter->filter, perf_evsel__name(counter), errno, | |
759e612b | 338 | strerror_r(errno, msg, sizeof(msg))); |
cfd748ae FW |
339 | return -1; |
340 | } | |
341 | ||
42202dd5 IM |
342 | /* |
343 | * Enable counters and exec the command: | |
344 | */ | |
345 | t0 = rdclock(); | |
13370a9b | 346 | clock_gettime(CLOCK_MONOTONIC, &ref_time); |
42202dd5 | 347 | |
60666c63 | 348 | if (forks) { |
acf28922 | 349 | perf_evlist__start_workload(evsel_list); |
41191688 | 350 | handle_initial_delay(); |
acf28922 | 351 | |
13370a9b SE |
352 | if (interval) { |
353 | while (!waitpid(child_pid, &status, WNOHANG)) { | |
354 | nanosleep(&ts, NULL); | |
ba411a95 | 355 | process_interval(); |
13370a9b SE |
356 | } |
357 | } | |
60666c63 | 358 | wait(&status); |
6af206fd | 359 | |
f33cbe72 ACM |
360 | if (workload_exec_errno) { |
361 | const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); | |
362 | pr_err("Workload failed: %s\n", emsg); | |
6af206fd | 363 | return -1; |
f33cbe72 | 364 | } |
6af206fd | 365 | |
33e49ea7 AK |
366 | if (WIFSIGNALED(status)) |
367 | psignal(WTERMSIG(status), argv[0]); | |
60666c63 | 368 | } else { |
41191688 | 369 | handle_initial_delay(); |
13370a9b SE |
370 | while (!done) { |
371 | nanosleep(&ts, NULL); | |
372 | if (interval) | |
ba411a95 | 373 | process_interval(); |
13370a9b | 374 | } |
60666c63 | 375 | } |
42202dd5 | 376 | |
42202dd5 IM |
377 | t1 = rdclock(); |
378 | ||
9e9772c4 | 379 | update_stats(&walltime_nsecs_stats, t1 - t0); |
42202dd5 | 380 | |
106a94a0 | 381 | read_counters(true); |
c52b12ed | 382 | |
42202dd5 IM |
383 | return WEXITSTATUS(status); |
384 | } | |
385 | ||
41cde476 | 386 | static int run_perf_stat(int argc, const char **argv) |
1f16c575 PZ |
387 | { |
388 | int ret; | |
389 | ||
390 | if (pre_cmd) { | |
391 | ret = system(pre_cmd); | |
392 | if (ret) | |
393 | return ret; | |
394 | } | |
395 | ||
396 | if (sync_run) | |
397 | sync(); | |
398 | ||
399 | ret = __run_perf_stat(argc, argv); | |
400 | if (ret) | |
401 | return ret; | |
402 | ||
403 | if (post_cmd) { | |
404 | ret = system(post_cmd); | |
405 | if (ret) | |
406 | return ret; | |
407 | } | |
408 | ||
409 | return ret; | |
410 | } | |
411 | ||
d73515c0 AK |
412 | static void print_running(u64 run, u64 ena) |
413 | { | |
414 | if (csv_output) { | |
5821522e | 415 | fprintf(stat_config.output, "%s%" PRIu64 "%s%.2f", |
d73515c0 AK |
416 | csv_sep, |
417 | run, | |
418 | csv_sep, | |
419 | ena ? 100.0 * run / ena : 100.0); | |
420 | } else if (run != ena) { | |
5821522e | 421 | fprintf(stat_config.output, " (%.2f%%)", 100.0 * run / ena); |
d73515c0 AK |
422 | } |
423 | } | |
424 | ||
f99844cb IM |
425 | static void print_noise_pct(double total, double avg) |
426 | { | |
0007ecea | 427 | double pct = rel_stddev_stats(total, avg); |
f99844cb | 428 | |
3ae9a34d | 429 | if (csv_output) |
5821522e | 430 | fprintf(stat_config.output, "%s%.2f%%", csv_sep, pct); |
a1bca6cc | 431 | else if (pct) |
5821522e | 432 | fprintf(stat_config.output, " ( +-%6.2f%% )", pct); |
f99844cb IM |
433 | } |
434 | ||
69aad6f1 | 435 | static void print_noise(struct perf_evsel *evsel, double avg) |
42202dd5 | 436 | { |
69aad6f1 ACM |
437 | struct perf_stat *ps; |
438 | ||
849abde9 PZ |
439 | if (run_count == 1) |
440 | return; | |
441 | ||
69aad6f1 | 442 | ps = evsel->priv; |
f99844cb | 443 | print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); |
42202dd5 IM |
444 | } |
445 | ||
12c08a9f | 446 | static void aggr_printout(struct perf_evsel *evsel, int id, int nr) |
44175b6f | 447 | { |
421a50f3 | 448 | switch (stat_config.aggr_mode) { |
12c08a9f | 449 | case AGGR_CORE: |
5821522e | 450 | fprintf(stat_config.output, "S%d-C%*d%s%*d%s", |
12c08a9f SE |
451 | cpu_map__id_to_socket(id), |
452 | csv_output ? 0 : -8, | |
453 | cpu_map__id_to_cpu(id), | |
454 | csv_sep, | |
455 | csv_output ? 0 : 4, | |
456 | nr, | |
457 | csv_sep); | |
458 | break; | |
86ee6e18 | 459 | case AGGR_SOCKET: |
5821522e | 460 | fprintf(stat_config.output, "S%*d%s%*d%s", |
d7e7a451 | 461 | csv_output ? 0 : -5, |
12c08a9f | 462 | id, |
d7e7a451 SE |
463 | csv_sep, |
464 | csv_output ? 0 : 4, | |
465 | nr, | |
466 | csv_sep); | |
86ee6e18 SE |
467 | break; |
468 | case AGGR_NONE: | |
5821522e | 469 | fprintf(stat_config.output, "CPU%*d%s", |
d7470b6a | 470 | csv_output ? 0 : -4, |
12c08a9f | 471 | perf_evsel__cpus(evsel)->map[id], csv_sep); |
86ee6e18 | 472 | break; |
32b8af82 | 473 | case AGGR_THREAD: |
5821522e | 474 | fprintf(stat_config.output, "%*s-%*d%s", |
32b8af82 JO |
475 | csv_output ? 0 : 16, |
476 | thread_map__comm(evsel->threads, id), | |
477 | csv_output ? 0 : -8, | |
478 | thread_map__pid(evsel->threads, id), | |
479 | csv_sep); | |
480 | break; | |
86ee6e18 SE |
481 | case AGGR_GLOBAL: |
482 | default: | |
483 | break; | |
484 | } | |
485 | } | |
486 | ||
da88c7f7 | 487 | static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg) |
86ee6e18 | 488 | { |
5821522e | 489 | FILE *output = stat_config.output; |
86ee6e18 | 490 | double msecs = avg / 1e6; |
410136f5 | 491 | const char *fmt_v, *fmt_n; |
4bbe5a61 | 492 | char name[25]; |
86ee6e18 | 493 | |
410136f5 SE |
494 | fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; |
495 | fmt_n = csv_output ? "%s" : "%-25s"; | |
496 | ||
da88c7f7 | 497 | aggr_printout(evsel, id, nr); |
d7470b6a | 498 | |
4bbe5a61 DA |
499 | scnprintf(name, sizeof(name), "%s%s", |
500 | perf_evsel__name(evsel), csv_output ? "" : " (msec)"); | |
410136f5 SE |
501 | |
502 | fprintf(output, fmt_v, msecs, csv_sep); | |
503 | ||
504 | if (csv_output) | |
505 | fprintf(output, "%s%s", evsel->unit, csv_sep); | |
506 | else | |
507 | fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); | |
508 | ||
509 | fprintf(output, fmt_n, name); | |
d7470b6a | 510 | |
023695d9 | 511 | if (evsel->cgrp) |
4aa9015f | 512 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
023695d9 | 513 | |
ec0d3d1f | 514 | if (csv_output || stat_config.interval) |
d7470b6a | 515 | return; |
44175b6f | 516 | |
daec78a0 | 517 | if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
4aa9015f SE |
518 | fprintf(output, " # %8.3f CPUs utilized ", |
519 | avg / avg_stats(&walltime_nsecs_stats)); | |
9dac6a29 NK |
520 | else |
521 | fprintf(output, " "); | |
44175b6f IM |
522 | } |
523 | ||
556b1fb7 JO |
524 | static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) |
525 | { | |
5821522e | 526 | FILE *output = stat_config.output; |
556b1fb7 JO |
527 | double sc = evsel->scale; |
528 | const char *fmt; | |
529 | int cpu = cpu_map__id_to_cpu(id); | |
530 | ||
531 | if (csv_output) { | |
532 | fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s"; | |
533 | } else { | |
534 | if (big_num) | |
535 | fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s"; | |
536 | else | |
537 | fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s"; | |
538 | } | |
539 | ||
540 | aggr_printout(evsel, id, nr); | |
541 | ||
421a50f3 | 542 | if (stat_config.aggr_mode == AGGR_GLOBAL) |
556b1fb7 JO |
543 | cpu = 0; |
544 | ||
545 | fprintf(output, fmt, avg, csv_sep); | |
546 | ||
547 | if (evsel->unit) | |
548 | fprintf(output, "%-*s%s", | |
549 | csv_output ? 0 : unit_width, | |
550 | evsel->unit, csv_sep); | |
551 | ||
552 | fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); | |
553 | ||
554 | if (evsel->cgrp) | |
555 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); | |
556 | ||
ec0d3d1f | 557 | if (csv_output || stat_config.interval) |
556b1fb7 JO |
558 | return; |
559 | ||
421a50f3 JO |
560 | perf_stat__print_shadow_stats(output, evsel, avg, cpu, |
561 | stat_config.aggr_mode); | |
556b1fb7 JO |
562 | } |
563 | ||
86ee6e18 | 564 | static void print_aggr(char *prefix) |
d7e7a451 | 565 | { |
5821522e | 566 | FILE *output = stat_config.output; |
d7e7a451 | 567 | struct perf_evsel *counter; |
601083cf | 568 | int cpu, s, s2, id, nr; |
410136f5 | 569 | double uval; |
d7e7a451 | 570 | u64 ena, run, val; |
d7e7a451 | 571 | |
86ee6e18 | 572 | if (!(aggr_map || aggr_get_id)) |
d7e7a451 SE |
573 | return; |
574 | ||
86ee6e18 SE |
575 | for (s = 0; s < aggr_map->nr; s++) { |
576 | id = aggr_map->map[s]; | |
0050f7aa | 577 | evlist__for_each(evsel_list, counter) { |
d7e7a451 SE |
578 | val = ena = run = 0; |
579 | nr = 0; | |
580 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { | |
601083cf | 581 | s2 = aggr_get_id(perf_evsel__cpus(counter), cpu); |
86ee6e18 | 582 | if (s2 != id) |
d7e7a451 | 583 | continue; |
a6fa0038 JO |
584 | val += perf_counts(counter->counts, cpu, 0)->val; |
585 | ena += perf_counts(counter->counts, cpu, 0)->ena; | |
586 | run += perf_counts(counter->counts, cpu, 0)->run; | |
d7e7a451 SE |
587 | nr++; |
588 | } | |
589 | if (prefix) | |
590 | fprintf(output, "%s", prefix); | |
591 | ||
592 | if (run == 0 || ena == 0) { | |
582ec082 | 593 | aggr_printout(counter, id, nr); |
86ee6e18 | 594 | |
410136f5 | 595 | fprintf(output, "%*s%s", |
d7e7a451 SE |
596 | csv_output ? 0 : 18, |
597 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, | |
410136f5 SE |
598 | csv_sep); |
599 | ||
600 | fprintf(output, "%-*s%s", | |
601 | csv_output ? 0 : unit_width, | |
602 | counter->unit, csv_sep); | |
603 | ||
604 | fprintf(output, "%*s", | |
605 | csv_output ? 0 : -25, | |
d7e7a451 | 606 | perf_evsel__name(counter)); |
86ee6e18 | 607 | |
d7e7a451 SE |
608 | if (counter->cgrp) |
609 | fprintf(output, "%s%s", | |
610 | csv_sep, counter->cgrp->name); | |
611 | ||
d73515c0 | 612 | print_running(run, ena); |
d7e7a451 SE |
613 | fputc('\n', output); |
614 | continue; | |
615 | } | |
410136f5 | 616 | uval = val * counter->scale; |
d7e7a451 SE |
617 | |
618 | if (nsec_counter(counter)) | |
410136f5 | 619 | nsec_printout(id, nr, counter, uval); |
d7e7a451 | 620 | else |
410136f5 | 621 | abs_printout(id, nr, counter, uval); |
d7e7a451 | 622 | |
d73515c0 | 623 | if (!csv_output) |
d7e7a451 SE |
624 | print_noise(counter, 1.0); |
625 | ||
d73515c0 | 626 | print_running(run, ena); |
d7e7a451 SE |
627 | fputc('\n', output); |
628 | } | |
629 | } | |
630 | } | |
631 | ||
32b8af82 JO |
632 | static void print_aggr_thread(struct perf_evsel *counter, char *prefix) |
633 | { | |
5821522e | 634 | FILE *output = stat_config.output; |
32b8af82 JO |
635 | int nthreads = thread_map__nr(counter->threads); |
636 | int ncpus = cpu_map__nr(counter->cpus); | |
637 | int cpu, thread; | |
638 | double uval; | |
639 | ||
640 | for (thread = 0; thread < nthreads; thread++) { | |
641 | u64 ena = 0, run = 0, val = 0; | |
642 | ||
643 | for (cpu = 0; cpu < ncpus; cpu++) { | |
644 | val += perf_counts(counter->counts, cpu, thread)->val; | |
645 | ena += perf_counts(counter->counts, cpu, thread)->ena; | |
646 | run += perf_counts(counter->counts, cpu, thread)->run; | |
647 | } | |
648 | ||
649 | if (prefix) | |
650 | fprintf(output, "%s", prefix); | |
651 | ||
652 | uval = val * counter->scale; | |
653 | ||
654 | if (nsec_counter(counter)) | |
655 | nsec_printout(thread, 0, counter, uval); | |
656 | else | |
657 | abs_printout(thread, 0, counter, uval); | |
658 | ||
659 | if (!csv_output) | |
660 | print_noise(counter, 1.0); | |
661 | ||
662 | print_running(run, ena); | |
663 | fputc('\n', output); | |
664 | } | |
665 | } | |
666 | ||
2996f5dd IM |
667 | /* |
668 | * Print out the results of a single counter: | |
f5b4a9c3 | 669 | * aggregated counts in system-wide mode |
2996f5dd | 670 | */ |
13370a9b | 671 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix) |
2996f5dd | 672 | { |
5821522e | 673 | FILE *output = stat_config.output; |
69aad6f1 ACM |
674 | struct perf_stat *ps = counter->priv; |
675 | double avg = avg_stats(&ps->res_stats[0]); | |
c52b12ed | 676 | int scaled = counter->counts->scaled; |
410136f5 | 677 | double uval; |
d73515c0 AK |
678 | double avg_enabled, avg_running; |
679 | ||
680 | avg_enabled = avg_stats(&ps->res_stats[1]); | |
681 | avg_running = avg_stats(&ps->res_stats[2]); | |
2996f5dd | 682 | |
13370a9b SE |
683 | if (prefix) |
684 | fprintf(output, "%s", prefix); | |
685 | ||
3b4331d9 | 686 | if (scaled == -1 || !counter->supported) { |
410136f5 | 687 | fprintf(output, "%*s%s", |
d7470b6a | 688 | csv_output ? 0 : 18, |
2cee77c4 | 689 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
410136f5 SE |
690 | csv_sep); |
691 | fprintf(output, "%-*s%s", | |
692 | csv_output ? 0 : unit_width, | |
693 | counter->unit, csv_sep); | |
694 | fprintf(output, "%*s", | |
695 | csv_output ? 0 : -25, | |
7289f83c | 696 | perf_evsel__name(counter)); |
023695d9 SE |
697 | |
698 | if (counter->cgrp) | |
4aa9015f | 699 | fprintf(output, "%s%s", csv_sep, counter->cgrp->name); |
023695d9 | 700 | |
d73515c0 | 701 | print_running(avg_running, avg_enabled); |
4aa9015f | 702 | fputc('\n', output); |
2996f5dd IM |
703 | return; |
704 | } | |
c04f5e5d | 705 | |
410136f5 SE |
706 | uval = avg * counter->scale; |
707 | ||
44175b6f | 708 | if (nsec_counter(counter)) |
410136f5 | 709 | nsec_printout(-1, 0, counter, uval); |
44175b6f | 710 | else |
410136f5 | 711 | abs_printout(-1, 0, counter, uval); |
849abde9 | 712 | |
3ae9a34d ZH |
713 | print_noise(counter, avg); |
714 | ||
d73515c0 | 715 | print_running(avg_running, avg_enabled); |
4aa9015f | 716 | fprintf(output, "\n"); |
c04f5e5d IM |
717 | } |
718 | ||
f5b4a9c3 SE |
719 | /* |
720 | * Print out the results of a single counter: | |
721 | * does not use aggregated count in system-wide | |
722 | */ | |
13370a9b | 723 | static void print_counter(struct perf_evsel *counter, char *prefix) |
f5b4a9c3 | 724 | { |
5821522e | 725 | FILE *output = stat_config.output; |
f5b4a9c3 | 726 | u64 ena, run, val; |
410136f5 | 727 | double uval; |
f5b4a9c3 SE |
728 | int cpu; |
729 | ||
7ae92e74 | 730 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
a6fa0038 JO |
731 | val = perf_counts(counter->counts, cpu, 0)->val; |
732 | ena = perf_counts(counter->counts, cpu, 0)->ena; | |
733 | run = perf_counts(counter->counts, cpu, 0)->run; | |
13370a9b SE |
734 | |
735 | if (prefix) | |
736 | fprintf(output, "%s", prefix); | |
737 | ||
f5b4a9c3 | 738 | if (run == 0 || ena == 0) { |
410136f5 | 739 | fprintf(output, "CPU%*d%s%*s%s", |
d7470b6a | 740 | csv_output ? 0 : -4, |
7ae92e74 | 741 | perf_evsel__cpus(counter)->map[cpu], csv_sep, |
d7470b6a | 742 | csv_output ? 0 : 18, |
2cee77c4 | 743 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
410136f5 SE |
744 | csv_sep); |
745 | ||
746 | fprintf(output, "%-*s%s", | |
747 | csv_output ? 0 : unit_width, | |
748 | counter->unit, csv_sep); | |
749 | ||
750 | fprintf(output, "%*s", | |
751 | csv_output ? 0 : -25, | |
752 | perf_evsel__name(counter)); | |
f5b4a9c3 | 753 | |
023695d9 | 754 | if (counter->cgrp) |
4aa9015f SE |
755 | fprintf(output, "%s%s", |
756 | csv_sep, counter->cgrp->name); | |
023695d9 | 757 | |
d73515c0 | 758 | print_running(run, ena); |
4aa9015f | 759 | fputc('\n', output); |
f5b4a9c3 SE |
760 | continue; |
761 | } | |
762 | ||
410136f5 SE |
763 | uval = val * counter->scale; |
764 | ||
f5b4a9c3 | 765 | if (nsec_counter(counter)) |
410136f5 | 766 | nsec_printout(cpu, 0, counter, uval); |
f5b4a9c3 | 767 | else |
410136f5 | 768 | abs_printout(cpu, 0, counter, uval); |
f5b4a9c3 | 769 | |
d73515c0 | 770 | if (!csv_output) |
d7470b6a | 771 | print_noise(counter, 1.0); |
d73515c0 | 772 | print_running(run, ena); |
f5b4a9c3 | 773 | |
4aa9015f | 774 | fputc('\n', output); |
f5b4a9c3 SE |
775 | } |
776 | } | |
777 | ||
d4f63a47 JO |
778 | static void print_interval(char *prefix, struct timespec *ts) |
779 | { | |
5821522e | 780 | FILE *output = stat_config.output; |
d4f63a47 JO |
781 | static int num_print_interval; |
782 | ||
783 | sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); | |
784 | ||
785 | if (num_print_interval == 0 && !csv_output) { | |
421a50f3 | 786 | switch (stat_config.aggr_mode) { |
d4f63a47 JO |
787 | case AGGR_SOCKET: |
788 | fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit"); | |
789 | break; | |
790 | case AGGR_CORE: | |
791 | fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit"); | |
792 | break; | |
793 | case AGGR_NONE: | |
794 | fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit"); | |
795 | break; | |
32b8af82 JO |
796 | case AGGR_THREAD: |
797 | fprintf(output, "# time comm-pid counts %*s events\n", unit_width, "unit"); | |
798 | break; | |
d4f63a47 JO |
799 | case AGGR_GLOBAL: |
800 | default: | |
801 | fprintf(output, "# time counts %*s events\n", unit_width, "unit"); | |
802 | } | |
803 | } | |
804 | ||
805 | if (++num_print_interval == 25) | |
806 | num_print_interval = 0; | |
807 | } | |
808 | ||
809 | static void print_header(int argc, const char **argv) | |
42202dd5 | 810 | { |
5821522e | 811 | FILE *output = stat_config.output; |
69aad6f1 | 812 | int i; |
42202dd5 | 813 | |
ddcacfa0 IM |
814 | fflush(stdout); |
815 | ||
d7470b6a | 816 | if (!csv_output) { |
4aa9015f SE |
817 | fprintf(output, "\n"); |
818 | fprintf(output, " Performance counter stats for "); | |
62d3b617 DA |
819 | if (target.system_wide) |
820 | fprintf(output, "\'system wide"); | |
821 | else if (target.cpu_list) | |
822 | fprintf(output, "\'CPU(s) %s", target.cpu_list); | |
602ad878 | 823 | else if (!target__has_task(&target)) { |
4aa9015f | 824 | fprintf(output, "\'%s", argv[0]); |
d7470b6a | 825 | for (i = 1; i < argc; i++) |
4aa9015f | 826 | fprintf(output, " %s", argv[i]); |
20f946b4 NK |
827 | } else if (target.pid) |
828 | fprintf(output, "process id \'%s", target.pid); | |
d7470b6a | 829 | else |
20f946b4 | 830 | fprintf(output, "thread id \'%s", target.tid); |
44db76c8 | 831 | |
4aa9015f | 832 | fprintf(output, "\'"); |
d7470b6a | 833 | if (run_count > 1) |
4aa9015f SE |
834 | fprintf(output, " (%d runs)", run_count); |
835 | fprintf(output, ":\n\n"); | |
d7470b6a | 836 | } |
d4f63a47 JO |
837 | } |
838 | ||
839 | static void print_footer(void) | |
840 | { | |
5821522e JO |
841 | FILE *output = stat_config.output; |
842 | ||
d4f63a47 JO |
843 | if (!null_run) |
844 | fprintf(output, "\n"); | |
845 | fprintf(output, " %17.9f seconds time elapsed", | |
846 | avg_stats(&walltime_nsecs_stats)/1e9); | |
847 | if (run_count > 1) { | |
848 | fprintf(output, " "); | |
849 | print_noise_pct(stddev_stats(&walltime_nsecs_stats), | |
850 | avg_stats(&walltime_nsecs_stats)); | |
851 | } | |
852 | fprintf(output, "\n\n"); | |
853 | } | |
854 | ||
855 | static void print_counters(struct timespec *ts, int argc, const char **argv) | |
856 | { | |
ec0d3d1f | 857 | int interval = stat_config.interval; |
d4f63a47 JO |
858 | struct perf_evsel *counter; |
859 | char buf[64], *prefix = NULL; | |
860 | ||
861 | if (interval) | |
862 | print_interval(prefix = buf, ts); | |
863 | else | |
864 | print_header(argc, argv); | |
2996f5dd | 865 | |
421a50f3 | 866 | switch (stat_config.aggr_mode) { |
12c08a9f | 867 | case AGGR_CORE: |
86ee6e18 | 868 | case AGGR_SOCKET: |
d4f63a47 | 869 | print_aggr(prefix); |
86ee6e18 | 870 | break; |
32b8af82 JO |
871 | case AGGR_THREAD: |
872 | evlist__for_each(evsel_list, counter) | |
873 | print_aggr_thread(counter, prefix); | |
874 | break; | |
86ee6e18 | 875 | case AGGR_GLOBAL: |
0050f7aa | 876 | evlist__for_each(evsel_list, counter) |
d4f63a47 | 877 | print_counter_aggr(counter, prefix); |
86ee6e18 SE |
878 | break; |
879 | case AGGR_NONE: | |
0050f7aa | 880 | evlist__for_each(evsel_list, counter) |
d4f63a47 | 881 | print_counter(counter, prefix); |
86ee6e18 SE |
882 | break; |
883 | default: | |
884 | break; | |
f5b4a9c3 | 885 | } |
ddcacfa0 | 886 | |
d4f63a47 JO |
887 | if (!interval && !csv_output) |
888 | print_footer(); | |
889 | ||
5821522e | 890 | fflush(stat_config.output); |
ddcacfa0 IM |
891 | } |
892 | ||
f7b7c26e PZ |
893 | static volatile int signr = -1; |
894 | ||
5242519b | 895 | static void skip_signal(int signo) |
ddcacfa0 | 896 | { |
ec0d3d1f | 897 | if ((child_pid == -1) || stat_config.interval) |
60666c63 LW |
898 | done = 1; |
899 | ||
f7b7c26e | 900 | signr = signo; |
d07f0b12 SE |
901 | /* |
902 | * render child_pid harmless | |
903 | * won't send SIGTERM to a random | |
904 | * process in case of race condition | |
905 | * and fast PID recycling | |
906 | */ | |
907 | child_pid = -1; | |
f7b7c26e PZ |
908 | } |
909 | ||
910 | static void sig_atexit(void) | |
911 | { | |
d07f0b12 SE |
912 | sigset_t set, oset; |
913 | ||
914 | /* | |
915 | * avoid race condition with SIGCHLD handler | |
916 | * in skip_signal() which is modifying child_pid | |
917 | * goal is to avoid send SIGTERM to a random | |
918 | * process | |
919 | */ | |
920 | sigemptyset(&set); | |
921 | sigaddset(&set, SIGCHLD); | |
922 | sigprocmask(SIG_BLOCK, &set, &oset); | |
923 | ||
933da83a CW |
924 | if (child_pid != -1) |
925 | kill(child_pid, SIGTERM); | |
926 | ||
d07f0b12 SE |
927 | sigprocmask(SIG_SETMASK, &oset, NULL); |
928 | ||
f7b7c26e PZ |
929 | if (signr == -1) |
930 | return; | |
931 | ||
932 | signal(signr, SIG_DFL); | |
933 | kill(getpid(), signr); | |
5242519b IM |
934 | } |
935 | ||
1d037ca1 IT |
936 | static int stat__set_big_num(const struct option *opt __maybe_unused, |
937 | const char *s __maybe_unused, int unset) | |
d7470b6a SE |
938 | { |
939 | big_num_opt = unset ? 0 : 1; | |
940 | return 0; | |
941 | } | |
942 | ||
86ee6e18 SE |
943 | static int perf_stat_init_aggr_mode(void) |
944 | { | |
421a50f3 | 945 | switch (stat_config.aggr_mode) { |
86ee6e18 SE |
946 | case AGGR_SOCKET: |
947 | if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { | |
948 | perror("cannot build socket map"); | |
949 | return -1; | |
950 | } | |
951 | aggr_get_id = cpu_map__get_socket; | |
952 | break; | |
12c08a9f SE |
953 | case AGGR_CORE: |
954 | if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { | |
955 | perror("cannot build core map"); | |
956 | return -1; | |
957 | } | |
958 | aggr_get_id = cpu_map__get_core; | |
959 | break; | |
86ee6e18 SE |
960 | case AGGR_NONE: |
961 | case AGGR_GLOBAL: | |
32b8af82 | 962 | case AGGR_THREAD: |
86ee6e18 SE |
963 | default: |
964 | break; | |
965 | } | |
966 | return 0; | |
967 | } | |
968 | ||
2cba3ffb IM |
969 | /* |
970 | * Add default attributes, if there were no attributes specified or | |
971 | * if -d/--detailed, -d -d or -d -d -d is used: | |
972 | */ | |
973 | static int add_default_attributes(void) | |
974 | { | |
b070a547 ACM |
975 | struct perf_event_attr default_attrs[] = { |
976 | ||
977 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, | |
978 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, | |
979 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, | |
980 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, | |
981 | ||
982 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, | |
983 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, | |
984 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, | |
985 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, | |
986 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, | |
987 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, | |
988 | ||
989 | }; | |
990 | ||
991 | /* | |
992 | * Detailed stats (-d), covering the L1 and last level data caches: | |
993 | */ | |
994 | struct perf_event_attr detailed_attrs[] = { | |
995 | ||
996 | { .type = PERF_TYPE_HW_CACHE, | |
997 | .config = | |
998 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
999 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1000 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1001 | ||
1002 | { .type = PERF_TYPE_HW_CACHE, | |
1003 | .config = | |
1004 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1005 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1006 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1007 | ||
1008 | { .type = PERF_TYPE_HW_CACHE, | |
1009 | .config = | |
1010 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1011 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1012 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1013 | ||
1014 | { .type = PERF_TYPE_HW_CACHE, | |
1015 | .config = | |
1016 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1017 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1018 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1019 | }; | |
1020 | ||
1021 | /* | |
1022 | * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: | |
1023 | */ | |
1024 | struct perf_event_attr very_detailed_attrs[] = { | |
1025 | ||
1026 | { .type = PERF_TYPE_HW_CACHE, | |
1027 | .config = | |
1028 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1029 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1030 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1031 | ||
1032 | { .type = PERF_TYPE_HW_CACHE, | |
1033 | .config = | |
1034 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1035 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1036 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1037 | ||
1038 | { .type = PERF_TYPE_HW_CACHE, | |
1039 | .config = | |
1040 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1041 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1042 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1043 | ||
1044 | { .type = PERF_TYPE_HW_CACHE, | |
1045 | .config = | |
1046 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1047 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1048 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1049 | ||
1050 | { .type = PERF_TYPE_HW_CACHE, | |
1051 | .config = | |
1052 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1053 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1054 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1055 | ||
1056 | { .type = PERF_TYPE_HW_CACHE, | |
1057 | .config = | |
1058 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1059 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1060 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1061 | ||
1062 | }; | |
1063 | ||
1064 | /* | |
1065 | * Very, very detailed stats (-d -d -d), adding prefetch events: | |
1066 | */ | |
1067 | struct perf_event_attr very_very_detailed_attrs[] = { | |
1068 | ||
1069 | { .type = PERF_TYPE_HW_CACHE, | |
1070 | .config = | |
1071 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1072 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
1073 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1074 | ||
1075 | { .type = PERF_TYPE_HW_CACHE, | |
1076 | .config = | |
1077 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1078 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
1079 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1080 | }; | |
1081 | ||
2cba3ffb IM |
1082 | /* Set attrs if no event is selected and !null_run: */ |
1083 | if (null_run) | |
1084 | return 0; | |
1085 | ||
4cabc3d1 AK |
1086 | if (transaction_run) { |
1087 | int err; | |
1088 | if (pmu_have_event("cpu", "cycles-ct") && | |
1089 | pmu_have_event("cpu", "el-start")) | |
a454742c | 1090 | err = parse_events(evsel_list, transaction_attrs, NULL); |
4cabc3d1 | 1091 | else |
a454742c JO |
1092 | err = parse_events(evsel_list, transaction_limited_attrs, NULL); |
1093 | if (err) { | |
4cabc3d1 AK |
1094 | fprintf(stderr, "Cannot set up transaction events\n"); |
1095 | return -1; | |
1096 | } | |
1097 | return 0; | |
1098 | } | |
1099 | ||
2cba3ffb | 1100 | if (!evsel_list->nr_entries) { |
79695e1b | 1101 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0) |
50d08e47 | 1102 | return -1; |
2cba3ffb IM |
1103 | } |
1104 | ||
1105 | /* Detailed events get appended to the event list: */ | |
1106 | ||
1107 | if (detailed_run < 1) | |
1108 | return 0; | |
1109 | ||
1110 | /* Append detailed run extra attributes: */ | |
79695e1b | 1111 | if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) |
50d08e47 | 1112 | return -1; |
2cba3ffb IM |
1113 | |
1114 | if (detailed_run < 2) | |
1115 | return 0; | |
1116 | ||
1117 | /* Append very detailed run extra attributes: */ | |
79695e1b | 1118 | if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) |
50d08e47 | 1119 | return -1; |
2cba3ffb IM |
1120 | |
1121 | if (detailed_run < 3) | |
1122 | return 0; | |
1123 | ||
1124 | /* Append very, very detailed run extra attributes: */ | |
79695e1b | 1125 | return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); |
2cba3ffb IM |
1126 | } |
1127 | ||
1d037ca1 | 1128 | int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) |
5242519b | 1129 | { |
1f16c575 | 1130 | bool append_file = false; |
b070a547 ACM |
1131 | int output_fd = 0; |
1132 | const char *output_name = NULL; | |
1133 | const struct option options[] = { | |
4cabc3d1 AK |
1134 | OPT_BOOLEAN('T', "transaction", &transaction_run, |
1135 | "hardware transaction statistics"), | |
b070a547 ACM |
1136 | OPT_CALLBACK('e', "event", &evsel_list, "event", |
1137 | "event selector. use 'perf list' to list available events", | |
1138 | parse_events_option), | |
1139 | OPT_CALLBACK(0, "filter", &evsel_list, "filter", | |
1140 | "event filter", parse_filter), | |
1141 | OPT_BOOLEAN('i', "no-inherit", &no_inherit, | |
1142 | "child tasks do not inherit counters"), | |
1143 | OPT_STRING('p', "pid", &target.pid, "pid", | |
1144 | "stat events on existing process id"), | |
1145 | OPT_STRING('t', "tid", &target.tid, "tid", | |
1146 | "stat events on existing thread id"), | |
1147 | OPT_BOOLEAN('a', "all-cpus", &target.system_wide, | |
1148 | "system-wide collection from all CPUs"), | |
1149 | OPT_BOOLEAN('g', "group", &group, | |
1150 | "put the counters into a counter group"), | |
711a572e | 1151 | OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"), |
b070a547 ACM |
1152 | OPT_INCR('v', "verbose", &verbose, |
1153 | "be more verbose (show counter open errors, etc)"), | |
1154 | OPT_INTEGER('r', "repeat", &run_count, | |
a7e191c3 | 1155 | "repeat command and print average + stddev (max: 100, forever: 0)"), |
b070a547 ACM |
1156 | OPT_BOOLEAN('n', "null", &null_run, |
1157 | "null run - dont start any counters"), | |
1158 | OPT_INCR('d', "detailed", &detailed_run, | |
1159 | "detailed run - start a lot of events"), | |
1160 | OPT_BOOLEAN('S', "sync", &sync_run, | |
1161 | "call sync() before starting a run"), | |
48000a1a | 1162 | OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, |
b070a547 ACM |
1163 | "print large numbers with thousands\' separators", |
1164 | stat__set_big_num), | |
1165 | OPT_STRING('C', "cpu", &target.cpu_list, "cpu", | |
1166 | "list of cpus to monitor in system-wide"), | |
421a50f3 | 1167 | OPT_SET_UINT('A', "no-aggr", &stat_config.aggr_mode, |
86ee6e18 | 1168 | "disable CPU count aggregation", AGGR_NONE), |
b070a547 ACM |
1169 | OPT_STRING('x', "field-separator", &csv_sep, "separator", |
1170 | "print counts with custom separator"), | |
1171 | OPT_CALLBACK('G', "cgroup", &evsel_list, "name", | |
1172 | "monitor event in cgroup name only", parse_cgroups), | |
1173 | OPT_STRING('o', "output", &output_name, "file", "output file name"), | |
1174 | OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), | |
1175 | OPT_INTEGER(0, "log-fd", &output_fd, | |
1176 | "log output to fd, instead of stderr"), | |
1f16c575 PZ |
1177 | OPT_STRING(0, "pre", &pre_cmd, "command", |
1178 | "command to run prior to the measured command"), | |
1179 | OPT_STRING(0, "post", &post_cmd, "command", | |
1180 | "command to run after to the measured command"), | |
ec0d3d1f | 1181 | OPT_UINTEGER('I', "interval-print", &stat_config.interval, |
13370a9b | 1182 | "print counts at regular interval in ms (>= 100)"), |
421a50f3 | 1183 | OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode, |
86ee6e18 | 1184 | "aggregate counts per processor socket", AGGR_SOCKET), |
421a50f3 | 1185 | OPT_SET_UINT(0, "per-core", &stat_config.aggr_mode, |
12c08a9f | 1186 | "aggregate counts per physical processor core", AGGR_CORE), |
421a50f3 | 1187 | OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, |
32b8af82 | 1188 | "aggregate counts per thread", AGGR_THREAD), |
41191688 AK |
1189 | OPT_UINTEGER('D', "delay", &initial_delay, |
1190 | "ms to wait before starting measurement after program start"), | |
b070a547 ACM |
1191 | OPT_END() |
1192 | }; | |
1193 | const char * const stat_usage[] = { | |
1194 | "perf stat [<options>] [<command>]", | |
1195 | NULL | |
1196 | }; | |
cc03c542 | 1197 | int status = -EINVAL, run_idx; |
4aa9015f | 1198 | const char *mode; |
5821522e | 1199 | FILE *output = stderr; |
ec0d3d1f | 1200 | unsigned int interval; |
42202dd5 | 1201 | |
5af52b51 SE |
1202 | setlocale(LC_ALL, ""); |
1203 | ||
334fe7a3 | 1204 | evsel_list = perf_evlist__new(); |
361c99a6 ACM |
1205 | if (evsel_list == NULL) |
1206 | return -ENOMEM; | |
1207 | ||
a0541234 AB |
1208 | argc = parse_options(argc, argv, options, stat_usage, |
1209 | PARSE_OPT_STOP_AT_NON_OPTION); | |
d7470b6a | 1210 | |
ec0d3d1f JO |
1211 | interval = stat_config.interval; |
1212 | ||
4aa9015f SE |
1213 | if (output_name && strcmp(output_name, "-")) |
1214 | output = NULL; | |
1215 | ||
56f3bae7 JC |
1216 | if (output_name && output_fd) { |
1217 | fprintf(stderr, "cannot use both --output and --log-fd\n"); | |
cc03c542 NK |
1218 | parse_options_usage(stat_usage, options, "o", 1); |
1219 | parse_options_usage(NULL, options, "log-fd", 0); | |
1220 | goto out; | |
56f3bae7 | 1221 | } |
fc3e4d07 SE |
1222 | |
1223 | if (output_fd < 0) { | |
1224 | fprintf(stderr, "argument to --log-fd must be a > 0\n"); | |
cc03c542 NK |
1225 | parse_options_usage(stat_usage, options, "log-fd", 0); |
1226 | goto out; | |
fc3e4d07 SE |
1227 | } |
1228 | ||
4aa9015f SE |
1229 | if (!output) { |
1230 | struct timespec tm; | |
1231 | mode = append_file ? "a" : "w"; | |
1232 | ||
1233 | output = fopen(output_name, mode); | |
1234 | if (!output) { | |
1235 | perror("failed to create output file"); | |
fceda7fe | 1236 | return -1; |
4aa9015f SE |
1237 | } |
1238 | clock_gettime(CLOCK_REALTIME, &tm); | |
1239 | fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); | |
fc3e4d07 | 1240 | } else if (output_fd > 0) { |
56f3bae7 JC |
1241 | mode = append_file ? "a" : "w"; |
1242 | output = fdopen(output_fd, mode); | |
1243 | if (!output) { | |
1244 | perror("Failed opening logfd"); | |
1245 | return -errno; | |
1246 | } | |
4aa9015f SE |
1247 | } |
1248 | ||
5821522e JO |
1249 | stat_config.output = output; |
1250 | ||
d4ffd04d | 1251 | if (csv_sep) { |
d7470b6a | 1252 | csv_output = true; |
d4ffd04d JC |
1253 | if (!strcmp(csv_sep, "\\t")) |
1254 | csv_sep = "\t"; | |
1255 | } else | |
d7470b6a SE |
1256 | csv_sep = DEFAULT_SEPARATOR; |
1257 | ||
1258 | /* | |
1259 | * let the spreadsheet do the pretty-printing | |
1260 | */ | |
1261 | if (csv_output) { | |
61a9f324 | 1262 | /* User explicitly passed -B? */ |
d7470b6a SE |
1263 | if (big_num_opt == 1) { |
1264 | fprintf(stderr, "-B option not supported with -x\n"); | |
cc03c542 NK |
1265 | parse_options_usage(stat_usage, options, "B", 1); |
1266 | parse_options_usage(NULL, options, "x", 1); | |
1267 | goto out; | |
d7470b6a SE |
1268 | } else /* Nope, so disable big number formatting */ |
1269 | big_num = false; | |
1270 | } else if (big_num_opt == 0) /* User passed --no-big-num */ | |
1271 | big_num = false; | |
1272 | ||
602ad878 | 1273 | if (!argc && target__none(&target)) |
5242519b | 1274 | usage_with_options(stat_usage, options); |
ac3063bd | 1275 | |
a7e191c3 | 1276 | if (run_count < 0) { |
cc03c542 NK |
1277 | pr_err("Run count must be a positive number\n"); |
1278 | parse_options_usage(stat_usage, options, "r", 1); | |
1279 | goto out; | |
a7e191c3 FD |
1280 | } else if (run_count == 0) { |
1281 | forever = true; | |
1282 | run_count = 1; | |
1283 | } | |
ddcacfa0 | 1284 | |
421a50f3 | 1285 | if ((stat_config.aggr_mode == AGGR_THREAD) && !target__has_task(&target)) { |
32b8af82 JO |
1286 | fprintf(stderr, "The --per-thread option is only available " |
1287 | "when monitoring via -p -t options.\n"); | |
1288 | parse_options_usage(NULL, options, "p", 1); | |
1289 | parse_options_usage(NULL, options, "t", 1); | |
1290 | goto out; | |
1291 | } | |
1292 | ||
1293 | /* | |
1294 | * no_aggr, cgroup are for system-wide only | |
1295 | * --per-thread is aggregated per thread, we dont mix it with cpu mode | |
1296 | */ | |
421a50f3 JO |
1297 | if (((stat_config.aggr_mode != AGGR_GLOBAL && |
1298 | stat_config.aggr_mode != AGGR_THREAD) || nr_cgroups) && | |
602ad878 | 1299 | !target__has_cpu(&target)) { |
023695d9 SE |
1300 | fprintf(stderr, "both cgroup and no-aggregation " |
1301 | "modes only available in system-wide mode\n"); | |
1302 | ||
cc03c542 NK |
1303 | parse_options_usage(stat_usage, options, "G", 1); |
1304 | parse_options_usage(NULL, options, "A", 1); | |
1305 | parse_options_usage(NULL, options, "a", 1); | |
1306 | goto out; | |
d7e7a451 SE |
1307 | } |
1308 | ||
2cba3ffb IM |
1309 | if (add_default_attributes()) |
1310 | goto out; | |
ddcacfa0 | 1311 | |
602ad878 | 1312 | target__validate(&target); |
5c98d466 | 1313 | |
77a6f014 | 1314 | if (perf_evlist__create_maps(evsel_list, &target) < 0) { |
602ad878 | 1315 | if (target__has_task(&target)) { |
77a6f014 | 1316 | pr_err("Problems finding threads of monitor\n"); |
cc03c542 NK |
1317 | parse_options_usage(stat_usage, options, "p", 1); |
1318 | parse_options_usage(NULL, options, "t", 1); | |
602ad878 | 1319 | } else if (target__has_cpu(&target)) { |
77a6f014 | 1320 | perror("failed to parse CPUs map"); |
cc03c542 NK |
1321 | parse_options_usage(stat_usage, options, "C", 1); |
1322 | parse_options_usage(NULL, options, "a", 1); | |
1323 | } | |
1324 | goto out; | |
60d567e2 | 1325 | } |
32b8af82 JO |
1326 | |
1327 | /* | |
1328 | * Initialize thread_map with comm names, | |
1329 | * so we could print it out on output. | |
1330 | */ | |
421a50f3 | 1331 | if (stat_config.aggr_mode == AGGR_THREAD) |
32b8af82 JO |
1332 | thread_map__read_comms(evsel_list->threads); |
1333 | ||
13370a9b SE |
1334 | if (interval && interval < 100) { |
1335 | pr_err("print interval must be >= 100ms\n"); | |
cc03c542 | 1336 | parse_options_usage(stat_usage, options, "I", 1); |
03ad9747 | 1337 | goto out; |
13370a9b | 1338 | } |
c45c6ea2 | 1339 | |
d134ffb9 | 1340 | if (perf_evlist__alloc_stats(evsel_list, interval)) |
03ad9747 | 1341 | goto out; |
d6d901c2 | 1342 | |
86ee6e18 | 1343 | if (perf_stat_init_aggr_mode()) |
03ad9747 | 1344 | goto out; |
86ee6e18 | 1345 | |
58d7e993 IM |
1346 | /* |
1347 | * We dont want to block the signals - that would cause | |
1348 | * child tasks to inherit that and Ctrl-C would not work. | |
1349 | * What we want is for Ctrl-C to work in the exec()-ed | |
1350 | * task, but being ignored by perf stat itself: | |
1351 | */ | |
f7b7c26e | 1352 | atexit(sig_atexit); |
a7e191c3 FD |
1353 | if (!forever) |
1354 | signal(SIGINT, skip_signal); | |
13370a9b | 1355 | signal(SIGCHLD, skip_signal); |
58d7e993 IM |
1356 | signal(SIGALRM, skip_signal); |
1357 | signal(SIGABRT, skip_signal); | |
1358 | ||
42202dd5 | 1359 | status = 0; |
a7e191c3 | 1360 | for (run_idx = 0; forever || run_idx < run_count; run_idx++) { |
42202dd5 | 1361 | if (run_count != 1 && verbose) |
4aa9015f SE |
1362 | fprintf(output, "[ perf stat: executing run #%d ... ]\n", |
1363 | run_idx + 1); | |
f9cef0a9 | 1364 | |
42202dd5 | 1365 | status = run_perf_stat(argc, argv); |
a7e191c3 | 1366 | if (forever && status != -1) { |
d4f63a47 | 1367 | print_counters(NULL, argc, argv); |
254ecbc7 | 1368 | perf_stat__reset_stats(); |
a7e191c3 | 1369 | } |
42202dd5 IM |
1370 | } |
1371 | ||
a7e191c3 | 1372 | if (!forever && status != -1 && !interval) |
d4f63a47 | 1373 | print_counters(NULL, argc, argv); |
d134ffb9 ACM |
1374 | |
1375 | perf_evlist__free_stats(evsel_list); | |
0015e2e1 ACM |
1376 | out: |
1377 | perf_evlist__delete(evsel_list); | |
42202dd5 | 1378 | return status; |
ddcacfa0 | 1379 | } |