Commit | Line | Data |
---|---|---|
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" |
148be2c1 | 46 | #include "util/util.h" |
5242519b IM |
47 | #include "util/parse-options.h" |
48 | #include "util/parse-events.h" | |
8f28827a | 49 | #include "util/event.h" |
361c99a6 | 50 | #include "util/evlist.h" |
69aad6f1 | 51 | #include "util/evsel.h" |
8f28827a | 52 | #include "util/debug.h" |
a5d243d0 | 53 | #include "util/color.h" |
0007ecea | 54 | #include "util/stat.h" |
60666c63 | 55 | #include "util/header.h" |
a12b51c4 | 56 | #include "util/cpumap.h" |
d6d901c2 | 57 | #include "util/thread.h" |
fd78260b | 58 | #include "util/thread_map.h" |
ddcacfa0 | 59 | |
1f16c575 | 60 | #include <stdlib.h> |
ddcacfa0 | 61 | #include <sys/prctl.h> |
5af52b51 | 62 | #include <locale.h> |
16c8a109 | 63 | |
d7470b6a | 64 | #define DEFAULT_SEPARATOR " " |
2cee77c4 DA |
65 | #define CNTR_NOT_SUPPORTED "<not supported>" |
66 | #define CNTR_NOT_COUNTED "<not counted>" | |
d7470b6a | 67 | |
13370a9b SE |
68 | static void print_stat(int argc, const char **argv); |
69 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix); | |
70 | static void print_counter(struct perf_evsel *counter, char *prefix); | |
d7e7a451 | 71 | static void print_aggr_socket(char *prefix); |
13370a9b | 72 | |
666e6d48 | 73 | static struct perf_evlist *evsel_list; |
361c99a6 | 74 | |
77a6f014 NK |
75 | static struct perf_target target = { |
76 | .uid = UINT_MAX, | |
77 | }; | |
ddcacfa0 | 78 | |
3d632595 | 79 | static int run_count = 1; |
2e6cdf99 | 80 | static bool no_inherit = false; |
c0555642 | 81 | static bool scale = true; |
f5b4a9c3 | 82 | static bool no_aggr = false; |
d7e7a451 | 83 | static bool aggr_socket = false; |
933da83a | 84 | static pid_t child_pid = -1; |
c0555642 | 85 | static bool null_run = false; |
2cba3ffb | 86 | static int detailed_run = 0; |
201e0b06 | 87 | static bool big_num = true; |
d7470b6a | 88 | static int big_num_opt = -1; |
d7470b6a SE |
89 | static const char *csv_sep = NULL; |
90 | static bool csv_output = false; | |
43bece79 | 91 | static bool group = false; |
4aa9015f | 92 | static FILE *output = NULL; |
1f16c575 PZ |
93 | static const char *pre_cmd = NULL; |
94 | static const char *post_cmd = NULL; | |
95 | static bool sync_run = false; | |
13370a9b SE |
96 | static unsigned int interval = 0; |
97 | static struct timespec ref_time; | |
d7e7a451 | 98 | static struct cpu_map *sock_map; |
5af52b51 | 99 | |
60666c63 LW |
100 | static volatile int done = 0; |
101 | ||
69aad6f1 ACM |
102 | struct perf_stat { |
103 | struct stats res_stats[3]; | |
69aad6f1 ACM |
104 | }; |
105 | ||
13370a9b SE |
106 | static inline void diff_timespec(struct timespec *r, struct timespec *a, |
107 | struct timespec *b) | |
108 | { | |
109 | r->tv_sec = a->tv_sec - b->tv_sec; | |
110 | if (a->tv_nsec < b->tv_nsec) { | |
111 | r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; | |
112 | r->tv_sec--; | |
113 | } else { | |
114 | r->tv_nsec = a->tv_nsec - b->tv_nsec ; | |
115 | } | |
116 | } | |
117 | ||
118 | static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel) | |
119 | { | |
120 | return (evsel->cpus && !target.cpu_list) ? evsel->cpus : evsel_list->cpus; | |
121 | } | |
122 | ||
123 | static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel) | |
124 | { | |
125 | return perf_evsel__cpus(evsel)->nr; | |
126 | } | |
127 | ||
c52b12ed | 128 | static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel) |
69aad6f1 | 129 | { |
c52b12ed | 130 | evsel->priv = zalloc(sizeof(struct perf_stat)); |
69aad6f1 ACM |
131 | return evsel->priv == NULL ? -ENOMEM : 0; |
132 | } | |
133 | ||
134 | static void perf_evsel__free_stat_priv(struct perf_evsel *evsel) | |
135 | { | |
136 | free(evsel->priv); | |
137 | evsel->priv = NULL; | |
138 | } | |
139 | ||
13370a9b | 140 | static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel) |
7ae92e74 | 141 | { |
13370a9b SE |
142 | void *addr; |
143 | size_t sz; | |
144 | ||
145 | sz = sizeof(*evsel->counts) + | |
146 | (perf_evsel__nr_cpus(evsel) * sizeof(struct perf_counts_values)); | |
147 | ||
148 | addr = zalloc(sz); | |
149 | if (!addr) | |
150 | return -ENOMEM; | |
151 | ||
152 | evsel->prev_raw_counts = addr; | |
153 | ||
154 | return 0; | |
7ae92e74 YZ |
155 | } |
156 | ||
13370a9b | 157 | static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel) |
7ae92e74 | 158 | { |
13370a9b SE |
159 | free(evsel->prev_raw_counts); |
160 | evsel->prev_raw_counts = NULL; | |
7ae92e74 YZ |
161 | } |
162 | ||
666e6d48 RR |
163 | static struct stats runtime_nsecs_stats[MAX_NR_CPUS]; |
164 | static struct stats runtime_cycles_stats[MAX_NR_CPUS]; | |
165 | static struct stats runtime_stalled_cycles_front_stats[MAX_NR_CPUS]; | |
166 | static struct stats runtime_stalled_cycles_back_stats[MAX_NR_CPUS]; | |
167 | static struct stats runtime_branches_stats[MAX_NR_CPUS]; | |
168 | static struct stats runtime_cacherefs_stats[MAX_NR_CPUS]; | |
169 | static struct stats runtime_l1_dcache_stats[MAX_NR_CPUS]; | |
170 | static struct stats runtime_l1_icache_stats[MAX_NR_CPUS]; | |
171 | static struct stats runtime_ll_cache_stats[MAX_NR_CPUS]; | |
172 | static struct stats runtime_itlb_cache_stats[MAX_NR_CPUS]; | |
173 | static struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS]; | |
174 | static struct stats walltime_nsecs_stats; | |
be1ac0d8 | 175 | |
cac21425 | 176 | static int create_perf_stat_counter(struct perf_evsel *evsel) |
ddcacfa0 | 177 | { |
69aad6f1 | 178 | struct perf_event_attr *attr = &evsel->attr; |
727ab04e | 179 | |
ddcacfa0 | 180 | if (scale) |
a21ca2ca IM |
181 | attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | |
182 | PERF_FORMAT_TOTAL_TIME_RUNNING; | |
ddcacfa0 | 183 | |
5d2cd909 ACM |
184 | attr->inherit = !no_inherit; |
185 | ||
594ac61a ACM |
186 | if (perf_target__has_cpu(&target)) |
187 | return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); | |
5622c07b | 188 | |
07ac002f | 189 | if (!perf_target__has_task(&target) && |
823254ed | 190 | perf_evsel__is_group_leader(evsel)) { |
48290609 ACM |
191 | attr->disabled = 1; |
192 | attr->enable_on_exec = 1; | |
ddcacfa0 | 193 | } |
084ab9f8 | 194 | |
594ac61a | 195 | return perf_evsel__open_per_thread(evsel, evsel_list->threads); |
ddcacfa0 IM |
196 | } |
197 | ||
c04f5e5d IM |
198 | /* |
199 | * Does the counter have nsecs as a unit? | |
200 | */ | |
daec78a0 | 201 | static inline int nsec_counter(struct perf_evsel *evsel) |
c04f5e5d | 202 | { |
daec78a0 ACM |
203 | if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || |
204 | perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) | |
c04f5e5d IM |
205 | return 1; |
206 | ||
207 | return 0; | |
208 | } | |
209 | ||
dcd9936a IM |
210 | /* |
211 | * Update various tracking values we maintain to print | |
212 | * more semantic information such as miss/hit ratios, | |
213 | * instruction rates, etc: | |
214 | */ | |
215 | static void update_shadow_stats(struct perf_evsel *counter, u64 *count) | |
216 | { | |
217 | if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK)) | |
218 | update_stats(&runtime_nsecs_stats[0], count[0]); | |
219 | else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) | |
220 | update_stats(&runtime_cycles_stats[0], count[0]); | |
d3d1e86d IM |
221 | else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) |
222 | update_stats(&runtime_stalled_cycles_front_stats[0], count[0]); | |
129c04cb | 223 | else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND)) |
d3d1e86d | 224 | update_stats(&runtime_stalled_cycles_back_stats[0], count[0]); |
dcd9936a IM |
225 | else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS)) |
226 | update_stats(&runtime_branches_stats[0], count[0]); | |
227 | else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES)) | |
228 | update_stats(&runtime_cacherefs_stats[0], count[0]); | |
8bb6c79f IM |
229 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D)) |
230 | update_stats(&runtime_l1_dcache_stats[0], count[0]); | |
c3305257 IM |
231 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I)) |
232 | update_stats(&runtime_l1_icache_stats[0], count[0]); | |
233 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL)) | |
234 | update_stats(&runtime_ll_cache_stats[0], count[0]); | |
235 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB)) | |
236 | update_stats(&runtime_dtlb_cache_stats[0], count[0]); | |
237 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB)) | |
238 | update_stats(&runtime_itlb_cache_stats[0], count[0]); | |
dcd9936a IM |
239 | } |
240 | ||
c04f5e5d | 241 | /* |
2996f5dd | 242 | * Read out the results of a single counter: |
f5b4a9c3 | 243 | * aggregate counts across CPUs in system-wide mode |
c04f5e5d | 244 | */ |
c52b12ed | 245 | static int read_counter_aggr(struct perf_evsel *counter) |
c04f5e5d | 246 | { |
69aad6f1 | 247 | struct perf_stat *ps = counter->priv; |
c52b12ed ACM |
248 | u64 *count = counter->counts->aggr.values; |
249 | int i; | |
2996f5dd | 250 | |
7ae92e74 | 251 | if (__perf_evsel__read(counter, perf_evsel__nr_cpus(counter), |
7e2ed097 | 252 | evsel_list->threads->nr, scale) < 0) |
c52b12ed | 253 | return -1; |
9e9772c4 PZ |
254 | |
255 | for (i = 0; i < 3; i++) | |
69aad6f1 | 256 | update_stats(&ps->res_stats[i], count[i]); |
9e9772c4 PZ |
257 | |
258 | if (verbose) { | |
4aa9015f | 259 | fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", |
7289f83c | 260 | perf_evsel__name(counter), count[0], count[1], count[2]); |
9e9772c4 PZ |
261 | } |
262 | ||
be1ac0d8 IM |
263 | /* |
264 | * Save the full runtime - to allow normalization during printout: | |
265 | */ | |
dcd9936a | 266 | update_shadow_stats(counter, count); |
c52b12ed ACM |
267 | |
268 | return 0; | |
f5b4a9c3 SE |
269 | } |
270 | ||
271 | /* | |
272 | * Read out the results of a single counter: | |
273 | * do not aggregate counts across CPUs in system-wide mode | |
274 | */ | |
c52b12ed | 275 | static int read_counter(struct perf_evsel *counter) |
f5b4a9c3 | 276 | { |
c52b12ed | 277 | u64 *count; |
f5b4a9c3 | 278 | int cpu; |
f5b4a9c3 | 279 | |
7ae92e74 | 280 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
c52b12ed ACM |
281 | if (__perf_evsel__read_on_cpu(counter, cpu, 0, scale) < 0) |
282 | return -1; | |
f5b4a9c3 | 283 | |
c52b12ed | 284 | count = counter->counts->cpu[cpu].values; |
f5b4a9c3 | 285 | |
dcd9936a | 286 | update_shadow_stats(counter, count); |
f5b4a9c3 | 287 | } |
c52b12ed ACM |
288 | |
289 | return 0; | |
2996f5dd IM |
290 | } |
291 | ||
13370a9b SE |
292 | static void print_interval(void) |
293 | { | |
294 | static int num_print_interval; | |
295 | struct perf_evsel *counter; | |
296 | struct perf_stat *ps; | |
297 | struct timespec ts, rs; | |
298 | char prefix[64]; | |
299 | ||
300 | if (no_aggr) { | |
301 | list_for_each_entry(counter, &evsel_list->entries, node) { | |
302 | ps = counter->priv; | |
303 | memset(ps->res_stats, 0, sizeof(ps->res_stats)); | |
304 | read_counter(counter); | |
305 | } | |
306 | } else { | |
307 | list_for_each_entry(counter, &evsel_list->entries, node) { | |
308 | ps = counter->priv; | |
309 | memset(ps->res_stats, 0, sizeof(ps->res_stats)); | |
310 | read_counter_aggr(counter); | |
311 | } | |
312 | } | |
313 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
314 | diff_timespec(&rs, &ts, &ref_time); | |
315 | sprintf(prefix, "%6lu.%09lu%s", rs.tv_sec, rs.tv_nsec, csv_sep); | |
316 | ||
317 | if (num_print_interval == 0 && !csv_output) { | |
d7e7a451 SE |
318 | if (aggr_socket) |
319 | fprintf(output, "# time socket cpus counts events\n"); | |
320 | else if (no_aggr) | |
13370a9b SE |
321 | fprintf(output, "# time CPU counts events\n"); |
322 | else | |
323 | fprintf(output, "# time counts events\n"); | |
324 | } | |
325 | ||
326 | if (++num_print_interval == 25) | |
327 | num_print_interval = 0; | |
328 | ||
d7e7a451 SE |
329 | if (aggr_socket) |
330 | print_aggr_socket(prefix); | |
331 | else if (no_aggr) { | |
13370a9b SE |
332 | list_for_each_entry(counter, &evsel_list->entries, node) |
333 | print_counter(counter, prefix); | |
334 | } else { | |
335 | list_for_each_entry(counter, &evsel_list->entries, node) | |
336 | print_counter_aggr(counter, prefix); | |
337 | } | |
338 | } | |
339 | ||
1f16c575 | 340 | static int __run_perf_stat(int argc __maybe_unused, const char **argv) |
42202dd5 | 341 | { |
56e52e85 | 342 | char msg[512]; |
42202dd5 | 343 | unsigned long long t0, t1; |
cac21425 | 344 | struct perf_evsel *counter; |
13370a9b | 345 | struct timespec ts; |
42202dd5 | 346 | int status = 0; |
051ae7f7 | 347 | int child_ready_pipe[2], go_pipe[2]; |
6be2850e | 348 | const bool forks = (argc > 0); |
051ae7f7 | 349 | char buf; |
42202dd5 | 350 | |
13370a9b SE |
351 | if (interval) { |
352 | ts.tv_sec = interval / 1000; | |
353 | ts.tv_nsec = (interval % 1000) * 1000000; | |
354 | } else { | |
355 | ts.tv_sec = 1; | |
356 | ts.tv_nsec = 0; | |
357 | } | |
358 | ||
d7e7a451 SE |
359 | if (aggr_socket |
360 | && cpu_map__build_socket_map(evsel_list->cpus, &sock_map)) { | |
361 | perror("cannot build socket map"); | |
362 | return -1; | |
363 | } | |
364 | ||
60666c63 | 365 | if (forks && (pipe(child_ready_pipe) < 0 || pipe(go_pipe) < 0)) { |
051ae7f7 | 366 | perror("failed to create pipes"); |
fceda7fe | 367 | return -1; |
051ae7f7 PM |
368 | } |
369 | ||
60666c63 | 370 | if (forks) { |
6be2850e | 371 | if ((child_pid = fork()) < 0) |
60666c63 LW |
372 | perror("failed to fork"); |
373 | ||
6be2850e | 374 | if (!child_pid) { |
60666c63 LW |
375 | close(child_ready_pipe[0]); |
376 | close(go_pipe[1]); | |
377 | fcntl(go_pipe[0], F_SETFD, FD_CLOEXEC); | |
378 | ||
379 | /* | |
380 | * Do a dummy execvp to get the PLT entry resolved, | |
381 | * so we avoid the resolver overhead on the real | |
382 | * execvp call. | |
383 | */ | |
384 | execvp("", (char **)argv); | |
385 | ||
386 | /* | |
387 | * Tell the parent we're ready to go | |
388 | */ | |
389 | close(child_ready_pipe[1]); | |
390 | ||
391 | /* | |
392 | * Wait until the parent tells us to go. | |
393 | */ | |
394 | if (read(go_pipe[0], &buf, 1) == -1) | |
395 | perror("unable to read pipe"); | |
396 | ||
397 | execvp(argv[0], (char **)argv); | |
398 | ||
399 | perror(argv[0]); | |
400 | exit(-1); | |
401 | } | |
051ae7f7 | 402 | |
d67356e7 | 403 | if (perf_target__none(&target)) |
7e2ed097 | 404 | evsel_list->threads->map[0] = child_pid; |
d6d901c2 | 405 | |
051ae7f7 | 406 | /* |
60666c63 | 407 | * Wait for the child to be ready to exec. |
051ae7f7 PM |
408 | */ |
409 | close(child_ready_pipe[1]); | |
60666c63 LW |
410 | close(go_pipe[0]); |
411 | if (read(child_ready_pipe[0], &buf, 1) == -1) | |
a92bef0f | 412 | perror("unable to read pipe"); |
60666c63 | 413 | close(child_ready_pipe[0]); |
051ae7f7 PM |
414 | } |
415 | ||
6a4bb04c | 416 | if (group) |
63dab225 | 417 | perf_evlist__set_leader(evsel_list); |
6a4bb04c | 418 | |
361c99a6 | 419 | list_for_each_entry(counter, &evsel_list->entries, node) { |
cac21425 | 420 | if (create_perf_stat_counter(counter) < 0) { |
979987a5 DA |
421 | /* |
422 | * PPC returns ENXIO for HW counters until 2.6.37 | |
423 | * (behavior changed with commit b0a873e). | |
424 | */ | |
38f6ae1e | 425 | if (errno == EINVAL || errno == ENOSYS || |
979987a5 DA |
426 | errno == ENOENT || errno == EOPNOTSUPP || |
427 | errno == ENXIO) { | |
c63ca0c0 DA |
428 | if (verbose) |
429 | ui__warning("%s event is not supported by the kernel.\n", | |
7289f83c | 430 | perf_evsel__name(counter)); |
2cee77c4 | 431 | counter->supported = false; |
ede70290 | 432 | continue; |
c63ca0c0 | 433 | } |
ede70290 | 434 | |
56e52e85 ACM |
435 | perf_evsel__open_strerror(counter, &target, |
436 | errno, msg, sizeof(msg)); | |
437 | ui__error("%s\n", msg); | |
438 | ||
48290609 ACM |
439 | if (child_pid != -1) |
440 | kill(child_pid, SIGTERM); | |
fceda7fe | 441 | |
48290609 ACM |
442 | return -1; |
443 | } | |
2cee77c4 | 444 | counter->supported = true; |
084ab9f8 | 445 | } |
42202dd5 | 446 | |
1491a632 | 447 | if (perf_evlist__apply_filters(evsel_list)) { |
cfd748ae FW |
448 | error("failed to set filter with %d (%s)\n", errno, |
449 | strerror(errno)); | |
450 | return -1; | |
451 | } | |
452 | ||
42202dd5 IM |
453 | /* |
454 | * Enable counters and exec the command: | |
455 | */ | |
456 | t0 = rdclock(); | |
13370a9b | 457 | clock_gettime(CLOCK_MONOTONIC, &ref_time); |
42202dd5 | 458 | |
60666c63 LW |
459 | if (forks) { |
460 | close(go_pipe[1]); | |
13370a9b SE |
461 | if (interval) { |
462 | while (!waitpid(child_pid, &status, WNOHANG)) { | |
463 | nanosleep(&ts, NULL); | |
464 | print_interval(); | |
465 | } | |
466 | } | |
60666c63 | 467 | wait(&status); |
33e49ea7 AK |
468 | if (WIFSIGNALED(status)) |
469 | psignal(WTERMSIG(status), argv[0]); | |
60666c63 | 470 | } else { |
13370a9b SE |
471 | while (!done) { |
472 | nanosleep(&ts, NULL); | |
473 | if (interval) | |
474 | print_interval(); | |
475 | } | |
60666c63 | 476 | } |
42202dd5 | 477 | |
42202dd5 IM |
478 | t1 = rdclock(); |
479 | ||
9e9772c4 | 480 | update_stats(&walltime_nsecs_stats, t1 - t0); |
42202dd5 | 481 | |
f5b4a9c3 | 482 | if (no_aggr) { |
361c99a6 | 483 | list_for_each_entry(counter, &evsel_list->entries, node) { |
f5b4a9c3 | 484 | read_counter(counter); |
7ae92e74 | 485 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 1); |
c52b12ed | 486 | } |
f5b4a9c3 | 487 | } else { |
361c99a6 | 488 | list_for_each_entry(counter, &evsel_list->entries, node) { |
f5b4a9c3 | 489 | read_counter_aggr(counter); |
7ae92e74 | 490 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), |
7e2ed097 | 491 | evsel_list->threads->nr); |
c52b12ed | 492 | } |
f5b4a9c3 | 493 | } |
c52b12ed | 494 | |
42202dd5 IM |
495 | return WEXITSTATUS(status); |
496 | } | |
497 | ||
1f16c575 PZ |
498 | static int run_perf_stat(int argc __maybe_unused, const char **argv) |
499 | { | |
500 | int ret; | |
501 | ||
502 | if (pre_cmd) { | |
503 | ret = system(pre_cmd); | |
504 | if (ret) | |
505 | return ret; | |
506 | } | |
507 | ||
508 | if (sync_run) | |
509 | sync(); | |
510 | ||
511 | ret = __run_perf_stat(argc, argv); | |
512 | if (ret) | |
513 | return ret; | |
514 | ||
515 | if (post_cmd) { | |
516 | ret = system(post_cmd); | |
517 | if (ret) | |
518 | return ret; | |
519 | } | |
520 | ||
521 | return ret; | |
522 | } | |
523 | ||
f99844cb IM |
524 | static void print_noise_pct(double total, double avg) |
525 | { | |
0007ecea | 526 | double pct = rel_stddev_stats(total, avg); |
f99844cb | 527 | |
3ae9a34d | 528 | if (csv_output) |
4aa9015f | 529 | fprintf(output, "%s%.2f%%", csv_sep, pct); |
a1bca6cc | 530 | else if (pct) |
4aa9015f | 531 | fprintf(output, " ( +-%6.2f%% )", pct); |
f99844cb IM |
532 | } |
533 | ||
69aad6f1 | 534 | static void print_noise(struct perf_evsel *evsel, double avg) |
42202dd5 | 535 | { |
69aad6f1 ACM |
536 | struct perf_stat *ps; |
537 | ||
849abde9 PZ |
538 | if (run_count == 1) |
539 | return; | |
540 | ||
69aad6f1 | 541 | ps = evsel->priv; |
f99844cb | 542 | print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); |
42202dd5 IM |
543 | } |
544 | ||
d7e7a451 | 545 | static void nsec_printout(int cpu, int nr, struct perf_evsel *evsel, double avg) |
44175b6f | 546 | { |
506d4bc8 | 547 | double msecs = avg / 1e6; |
d7470b6a | 548 | char cpustr[16] = { '\0', }; |
2cba3ffb | 549 | const char *fmt = csv_output ? "%s%.6f%s%s" : "%s%18.6f%s%-25s"; |
44175b6f | 550 | |
d7e7a451 SE |
551 | if (aggr_socket) |
552 | sprintf(cpustr, "S%*d%s%*d%s", | |
553 | csv_output ? 0 : -5, | |
554 | cpu, | |
555 | csv_sep, | |
556 | csv_output ? 0 : 4, | |
557 | nr, | |
558 | csv_sep); | |
559 | else if (no_aggr) | |
d7470b6a SE |
560 | sprintf(cpustr, "CPU%*d%s", |
561 | csv_output ? 0 : -4, | |
7ae92e74 | 562 | perf_evsel__cpus(evsel)->map[cpu], csv_sep); |
d7470b6a | 563 | |
7289f83c | 564 | fprintf(output, fmt, cpustr, msecs, csv_sep, perf_evsel__name(evsel)); |
d7470b6a | 565 | |
023695d9 | 566 | if (evsel->cgrp) |
4aa9015f | 567 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
023695d9 | 568 | |
13370a9b | 569 | if (csv_output || interval) |
d7470b6a | 570 | return; |
44175b6f | 571 | |
daec78a0 | 572 | if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
4aa9015f SE |
573 | fprintf(output, " # %8.3f CPUs utilized ", |
574 | avg / avg_stats(&walltime_nsecs_stats)); | |
9dac6a29 NK |
575 | else |
576 | fprintf(output, " "); | |
44175b6f IM |
577 | } |
578 | ||
15e6392f NK |
579 | /* used for get_ratio_color() */ |
580 | enum grc_type { | |
581 | GRC_STALLED_CYCLES_FE, | |
582 | GRC_STALLED_CYCLES_BE, | |
583 | GRC_CACHE_MISSES, | |
584 | GRC_MAX_NR | |
585 | }; | |
586 | ||
587 | static const char *get_ratio_color(enum grc_type type, double ratio) | |
588 | { | |
589 | static const double grc_table[GRC_MAX_NR][3] = { | |
590 | [GRC_STALLED_CYCLES_FE] = { 50.0, 30.0, 10.0 }, | |
591 | [GRC_STALLED_CYCLES_BE] = { 75.0, 50.0, 20.0 }, | |
592 | [GRC_CACHE_MISSES] = { 20.0, 10.0, 5.0 }, | |
593 | }; | |
594 | const char *color = PERF_COLOR_NORMAL; | |
595 | ||
596 | if (ratio > grc_table[type][0]) | |
597 | color = PERF_COLOR_RED; | |
598 | else if (ratio > grc_table[type][1]) | |
599 | color = PERF_COLOR_MAGENTA; | |
600 | else if (ratio > grc_table[type][2]) | |
601 | color = PERF_COLOR_YELLOW; | |
602 | ||
603 | return color; | |
604 | } | |
605 | ||
1d037ca1 IT |
606 | static void print_stalled_cycles_frontend(int cpu, |
607 | struct perf_evsel *evsel | |
608 | __maybe_unused, double avg) | |
d3d1e86d IM |
609 | { |
610 | double total, ratio = 0.0; | |
611 | const char *color; | |
612 | ||
613 | total = avg_stats(&runtime_cycles_stats[cpu]); | |
614 | ||
615 | if (total) | |
616 | ratio = avg / total * 100.0; | |
617 | ||
15e6392f | 618 | color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio); |
d3d1e86d | 619 | |
4aa9015f SE |
620 | fprintf(output, " # "); |
621 | color_fprintf(output, color, "%6.2f%%", ratio); | |
622 | fprintf(output, " frontend cycles idle "); | |
d3d1e86d IM |
623 | } |
624 | ||
1d037ca1 IT |
625 | static void print_stalled_cycles_backend(int cpu, |
626 | struct perf_evsel *evsel | |
627 | __maybe_unused, double avg) | |
a5d243d0 IM |
628 | { |
629 | double total, ratio = 0.0; | |
630 | const char *color; | |
631 | ||
632 | total = avg_stats(&runtime_cycles_stats[cpu]); | |
633 | ||
634 | if (total) | |
635 | ratio = avg / total * 100.0; | |
636 | ||
15e6392f | 637 | color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio); |
a5d243d0 | 638 | |
4aa9015f SE |
639 | fprintf(output, " # "); |
640 | color_fprintf(output, color, "%6.2f%%", ratio); | |
641 | fprintf(output, " backend cycles idle "); | |
a5d243d0 IM |
642 | } |
643 | ||
1d037ca1 IT |
644 | static void print_branch_misses(int cpu, |
645 | struct perf_evsel *evsel __maybe_unused, | |
646 | double avg) | |
c78df6c1 IM |
647 | { |
648 | double total, ratio = 0.0; | |
649 | const char *color; | |
650 | ||
651 | total = avg_stats(&runtime_branches_stats[cpu]); | |
652 | ||
653 | if (total) | |
654 | ratio = avg / total * 100.0; | |
655 | ||
15e6392f | 656 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c78df6c1 | 657 | |
4aa9015f SE |
658 | fprintf(output, " # "); |
659 | color_fprintf(output, color, "%6.2f%%", ratio); | |
660 | fprintf(output, " of all branches "); | |
c78df6c1 IM |
661 | } |
662 | ||
1d037ca1 IT |
663 | static void print_l1_dcache_misses(int cpu, |
664 | struct perf_evsel *evsel __maybe_unused, | |
665 | double avg) | |
8bb6c79f IM |
666 | { |
667 | double total, ratio = 0.0; | |
668 | const char *color; | |
669 | ||
670 | total = avg_stats(&runtime_l1_dcache_stats[cpu]); | |
671 | ||
672 | if (total) | |
673 | ratio = avg / total * 100.0; | |
674 | ||
15e6392f | 675 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
8bb6c79f | 676 | |
4aa9015f SE |
677 | fprintf(output, " # "); |
678 | color_fprintf(output, color, "%6.2f%%", ratio); | |
679 | fprintf(output, " of all L1-dcache hits "); | |
8bb6c79f IM |
680 | } |
681 | ||
1d037ca1 IT |
682 | static void print_l1_icache_misses(int cpu, |
683 | struct perf_evsel *evsel __maybe_unused, | |
684 | double avg) | |
c3305257 IM |
685 | { |
686 | double total, ratio = 0.0; | |
687 | const char *color; | |
688 | ||
689 | total = avg_stats(&runtime_l1_icache_stats[cpu]); | |
690 | ||
691 | if (total) | |
692 | ratio = avg / total * 100.0; | |
693 | ||
15e6392f | 694 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c3305257 | 695 | |
4aa9015f SE |
696 | fprintf(output, " # "); |
697 | color_fprintf(output, color, "%6.2f%%", ratio); | |
698 | fprintf(output, " of all L1-icache hits "); | |
c3305257 IM |
699 | } |
700 | ||
1d037ca1 IT |
701 | static void print_dtlb_cache_misses(int cpu, |
702 | struct perf_evsel *evsel __maybe_unused, | |
703 | double avg) | |
c3305257 IM |
704 | { |
705 | double total, ratio = 0.0; | |
706 | const char *color; | |
707 | ||
708 | total = avg_stats(&runtime_dtlb_cache_stats[cpu]); | |
709 | ||
710 | if (total) | |
711 | ratio = avg / total * 100.0; | |
712 | ||
15e6392f | 713 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c3305257 | 714 | |
4aa9015f SE |
715 | fprintf(output, " # "); |
716 | color_fprintf(output, color, "%6.2f%%", ratio); | |
717 | fprintf(output, " of all dTLB cache hits "); | |
c3305257 IM |
718 | } |
719 | ||
1d037ca1 IT |
720 | static void print_itlb_cache_misses(int cpu, |
721 | struct perf_evsel *evsel __maybe_unused, | |
722 | double avg) | |
c3305257 IM |
723 | { |
724 | double total, ratio = 0.0; | |
725 | const char *color; | |
726 | ||
727 | total = avg_stats(&runtime_itlb_cache_stats[cpu]); | |
728 | ||
729 | if (total) | |
730 | ratio = avg / total * 100.0; | |
731 | ||
15e6392f | 732 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c3305257 | 733 | |
4aa9015f SE |
734 | fprintf(output, " # "); |
735 | color_fprintf(output, color, "%6.2f%%", ratio); | |
736 | fprintf(output, " of all iTLB cache hits "); | |
c3305257 IM |
737 | } |
738 | ||
1d037ca1 IT |
739 | static void print_ll_cache_misses(int cpu, |
740 | struct perf_evsel *evsel __maybe_unused, | |
741 | double avg) | |
c3305257 IM |
742 | { |
743 | double total, ratio = 0.0; | |
744 | const char *color; | |
745 | ||
746 | total = avg_stats(&runtime_ll_cache_stats[cpu]); | |
747 | ||
748 | if (total) | |
749 | ratio = avg / total * 100.0; | |
750 | ||
15e6392f | 751 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
c3305257 | 752 | |
4aa9015f SE |
753 | fprintf(output, " # "); |
754 | color_fprintf(output, color, "%6.2f%%", ratio); | |
755 | fprintf(output, " of all LL-cache hits "); | |
c3305257 IM |
756 | } |
757 | ||
d7e7a451 | 758 | static void abs_printout(int cpu, int nr, struct perf_evsel *evsel, double avg) |
44175b6f | 759 | { |
c7f7fea3 | 760 | double total, ratio = 0.0; |
f5b4a9c3 | 761 | char cpustr[16] = { '\0', }; |
d7470b6a SE |
762 | const char *fmt; |
763 | ||
764 | if (csv_output) | |
765 | fmt = "%s%.0f%s%s"; | |
766 | else if (big_num) | |
2cba3ffb | 767 | fmt = "%s%'18.0f%s%-25s"; |
d7470b6a | 768 | else |
2cba3ffb | 769 | fmt = "%s%18.0f%s%-25s"; |
f5b4a9c3 | 770 | |
d7e7a451 SE |
771 | if (aggr_socket) |
772 | sprintf(cpustr, "S%*d%s%*d%s", | |
773 | csv_output ? 0 : -5, | |
774 | cpu, | |
775 | csv_sep, | |
776 | csv_output ? 0 : 4, | |
777 | nr, | |
778 | csv_sep); | |
779 | else if (no_aggr) | |
d7470b6a SE |
780 | sprintf(cpustr, "CPU%*d%s", |
781 | csv_output ? 0 : -4, | |
7ae92e74 | 782 | perf_evsel__cpus(evsel)->map[cpu], csv_sep); |
f5b4a9c3 SE |
783 | else |
784 | cpu = 0; | |
c7f7fea3 | 785 | |
7289f83c | 786 | fprintf(output, fmt, cpustr, avg, csv_sep, perf_evsel__name(evsel)); |
d7470b6a | 787 | |
023695d9 | 788 | if (evsel->cgrp) |
4aa9015f | 789 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
023695d9 | 790 | |
13370a9b | 791 | if (csv_output || interval) |
d7470b6a | 792 | return; |
44175b6f | 793 | |
daec78a0 | 794 | if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) { |
f5b4a9c3 | 795 | total = avg_stats(&runtime_cycles_stats[cpu]); |
c7f7fea3 IM |
796 | if (total) |
797 | ratio = avg / total; | |
798 | ||
4aa9015f | 799 | fprintf(output, " # %5.2f insns per cycle ", ratio); |
481f988a | 800 | |
d3d1e86d IM |
801 | total = avg_stats(&runtime_stalled_cycles_front_stats[cpu]); |
802 | total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[cpu])); | |
481f988a IM |
803 | |
804 | if (total && avg) { | |
805 | ratio = total / avg; | |
4aa9015f | 806 | fprintf(output, "\n # %5.2f stalled cycles per insn", ratio); |
481f988a IM |
807 | } |
808 | ||
daec78a0 | 809 | } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) && |
f5b4a9c3 | 810 | runtime_branches_stats[cpu].n != 0) { |
c78df6c1 | 811 | print_branch_misses(cpu, evsel, avg); |
8bb6c79f IM |
812 | } else if ( |
813 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
814 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D | | |
815 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
816 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
c6264def | 817 | runtime_l1_dcache_stats[cpu].n != 0) { |
8bb6c79f | 818 | print_l1_dcache_misses(cpu, evsel, avg); |
c3305257 IM |
819 | } else if ( |
820 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
821 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I | | |
822 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
823 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
824 | runtime_l1_icache_stats[cpu].n != 0) { | |
825 | print_l1_icache_misses(cpu, evsel, avg); | |
826 | } else if ( | |
827 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
828 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB | | |
829 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
830 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
831 | runtime_dtlb_cache_stats[cpu].n != 0) { | |
832 | print_dtlb_cache_misses(cpu, evsel, avg); | |
833 | } else if ( | |
834 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
835 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB | | |
836 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
837 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
838 | runtime_itlb_cache_stats[cpu].n != 0) { | |
839 | print_itlb_cache_misses(cpu, evsel, avg); | |
840 | } else if ( | |
841 | evsel->attr.type == PERF_TYPE_HW_CACHE && | |
842 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL | | |
843 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | | |
844 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && | |
845 | runtime_ll_cache_stats[cpu].n != 0) { | |
846 | print_ll_cache_misses(cpu, evsel, avg); | |
d58f4c82 IM |
847 | } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) && |
848 | runtime_cacherefs_stats[cpu].n != 0) { | |
849 | total = avg_stats(&runtime_cacherefs_stats[cpu]); | |
850 | ||
851 | if (total) | |
852 | ratio = avg * 100 / total; | |
853 | ||
4aa9015f | 854 | fprintf(output, " # %8.3f %% of all cache refs ", ratio); |
d58f4c82 | 855 | |
d3d1e86d IM |
856 | } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) { |
857 | print_stalled_cycles_frontend(cpu, evsel, avg); | |
129c04cb | 858 | } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) { |
d3d1e86d | 859 | print_stalled_cycles_backend(cpu, evsel, avg); |
481f988a | 860 | } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) { |
f5b4a9c3 | 861 | total = avg_stats(&runtime_nsecs_stats[cpu]); |
c7f7fea3 IM |
862 | |
863 | if (total) | |
481f988a | 864 | ratio = 1.0 * avg / total; |
c7f7fea3 | 865 | |
4aa9015f | 866 | fprintf(output, " # %8.3f GHz ", ratio); |
481f988a | 867 | } else if (runtime_nsecs_stats[cpu].n != 0) { |
5fde2523 NK |
868 | char unit = 'M'; |
869 | ||
481f988a | 870 | total = avg_stats(&runtime_nsecs_stats[cpu]); |
11ba2b85 IM |
871 | |
872 | if (total) | |
481f988a | 873 | ratio = 1000.0 * avg / total; |
5fde2523 NK |
874 | if (ratio < 0.001) { |
875 | ratio *= 1000; | |
876 | unit = 'K'; | |
877 | } | |
11ba2b85 | 878 | |
5fde2523 | 879 | fprintf(output, " # %8.3f %c/sec ", ratio, unit); |
a5d243d0 | 880 | } else { |
4aa9015f | 881 | fprintf(output, " "); |
44175b6f | 882 | } |
44175b6f IM |
883 | } |
884 | ||
d7e7a451 SE |
885 | static void print_aggr_socket(char *prefix) |
886 | { | |
887 | struct perf_evsel *counter; | |
888 | u64 ena, run, val; | |
889 | int cpu, s, s2, sock, nr; | |
890 | ||
891 | if (!sock_map) | |
892 | return; | |
893 | ||
894 | for (s = 0; s < sock_map->nr; s++) { | |
895 | sock = cpu_map__socket(sock_map, s); | |
896 | list_for_each_entry(counter, &evsel_list->entries, node) { | |
897 | val = ena = run = 0; | |
898 | nr = 0; | |
899 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { | |
900 | s2 = cpu_map__get_socket(evsel_list->cpus, cpu); | |
901 | if (s2 != sock) | |
902 | continue; | |
903 | val += counter->counts->cpu[cpu].val; | |
904 | ena += counter->counts->cpu[cpu].ena; | |
905 | run += counter->counts->cpu[cpu].run; | |
906 | nr++; | |
907 | } | |
908 | if (prefix) | |
909 | fprintf(output, "%s", prefix); | |
910 | ||
911 | if (run == 0 || ena == 0) { | |
912 | fprintf(output, "S%*d%s%*d%s%*s%s%*s", | |
913 | csv_output ? 0 : -5, | |
914 | s, | |
915 | csv_sep, | |
916 | csv_output ? 0 : 4, | |
917 | nr, | |
918 | csv_sep, | |
919 | csv_output ? 0 : 18, | |
920 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, | |
921 | csv_sep, | |
922 | csv_output ? 0 : -24, | |
923 | perf_evsel__name(counter)); | |
924 | if (counter->cgrp) | |
925 | fprintf(output, "%s%s", | |
926 | csv_sep, counter->cgrp->name); | |
927 | ||
928 | fputc('\n', output); | |
929 | continue; | |
930 | } | |
931 | ||
932 | if (nsec_counter(counter)) | |
933 | nsec_printout(sock, nr, counter, val); | |
934 | else | |
935 | abs_printout(sock, nr, counter, val); | |
936 | ||
937 | if (!csv_output) { | |
938 | print_noise(counter, 1.0); | |
939 | ||
940 | if (run != ena) | |
941 | fprintf(output, " (%.2f%%)", | |
942 | 100.0 * run / ena); | |
943 | } | |
944 | fputc('\n', output); | |
945 | } | |
946 | } | |
947 | } | |
948 | ||
2996f5dd IM |
949 | /* |
950 | * Print out the results of a single counter: | |
f5b4a9c3 | 951 | * aggregated counts in system-wide mode |
2996f5dd | 952 | */ |
13370a9b | 953 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix) |
2996f5dd | 954 | { |
69aad6f1 ACM |
955 | struct perf_stat *ps = counter->priv; |
956 | double avg = avg_stats(&ps->res_stats[0]); | |
c52b12ed | 957 | int scaled = counter->counts->scaled; |
2996f5dd | 958 | |
13370a9b SE |
959 | if (prefix) |
960 | fprintf(output, "%s", prefix); | |
961 | ||
2996f5dd | 962 | if (scaled == -1) { |
4aa9015f | 963 | fprintf(output, "%*s%s%*s", |
d7470b6a | 964 | csv_output ? 0 : 18, |
2cee77c4 | 965 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
023695d9 SE |
966 | csv_sep, |
967 | csv_output ? 0 : -24, | |
7289f83c | 968 | perf_evsel__name(counter)); |
023695d9 SE |
969 | |
970 | if (counter->cgrp) | |
4aa9015f | 971 | fprintf(output, "%s%s", csv_sep, counter->cgrp->name); |
023695d9 | 972 | |
4aa9015f | 973 | fputc('\n', output); |
2996f5dd IM |
974 | return; |
975 | } | |
c04f5e5d | 976 | |
44175b6f | 977 | if (nsec_counter(counter)) |
d7e7a451 | 978 | nsec_printout(-1, 0, counter, avg); |
44175b6f | 979 | else |
d7e7a451 | 980 | abs_printout(-1, 0, counter, avg); |
849abde9 | 981 | |
3ae9a34d ZH |
982 | print_noise(counter, avg); |
983 | ||
d7470b6a | 984 | if (csv_output) { |
4aa9015f | 985 | fputc('\n', output); |
d7470b6a SE |
986 | return; |
987 | } | |
988 | ||
506d4bc8 PZ |
989 | if (scaled) { |
990 | double avg_enabled, avg_running; | |
991 | ||
69aad6f1 ACM |
992 | avg_enabled = avg_stats(&ps->res_stats[1]); |
993 | avg_running = avg_stats(&ps->res_stats[2]); | |
d7c29318 | 994 | |
4aa9015f | 995 | fprintf(output, " [%5.2f%%]", 100 * avg_running / avg_enabled); |
506d4bc8 | 996 | } |
4aa9015f | 997 | fprintf(output, "\n"); |
c04f5e5d IM |
998 | } |
999 | ||
f5b4a9c3 SE |
1000 | /* |
1001 | * Print out the results of a single counter: | |
1002 | * does not use aggregated count in system-wide | |
1003 | */ | |
13370a9b | 1004 | static void print_counter(struct perf_evsel *counter, char *prefix) |
f5b4a9c3 SE |
1005 | { |
1006 | u64 ena, run, val; | |
1007 | int cpu; | |
1008 | ||
7ae92e74 | 1009 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
c52b12ed ACM |
1010 | val = counter->counts->cpu[cpu].val; |
1011 | ena = counter->counts->cpu[cpu].ena; | |
1012 | run = counter->counts->cpu[cpu].run; | |
13370a9b SE |
1013 | |
1014 | if (prefix) | |
1015 | fprintf(output, "%s", prefix); | |
1016 | ||
f5b4a9c3 | 1017 | if (run == 0 || ena == 0) { |
4aa9015f | 1018 | fprintf(output, "CPU%*d%s%*s%s%*s", |
d7470b6a | 1019 | csv_output ? 0 : -4, |
7ae92e74 | 1020 | perf_evsel__cpus(counter)->map[cpu], csv_sep, |
d7470b6a | 1021 | csv_output ? 0 : 18, |
2cee77c4 DA |
1022 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
1023 | csv_sep, | |
023695d9 | 1024 | csv_output ? 0 : -24, |
7289f83c | 1025 | perf_evsel__name(counter)); |
f5b4a9c3 | 1026 | |
023695d9 | 1027 | if (counter->cgrp) |
4aa9015f SE |
1028 | fprintf(output, "%s%s", |
1029 | csv_sep, counter->cgrp->name); | |
023695d9 | 1030 | |
4aa9015f | 1031 | fputc('\n', output); |
f5b4a9c3 SE |
1032 | continue; |
1033 | } | |
1034 | ||
1035 | if (nsec_counter(counter)) | |
d7e7a451 | 1036 | nsec_printout(cpu, 0, counter, val); |
f5b4a9c3 | 1037 | else |
d7e7a451 | 1038 | abs_printout(cpu, 0, counter, val); |
f5b4a9c3 | 1039 | |
d7470b6a SE |
1040 | if (!csv_output) { |
1041 | print_noise(counter, 1.0); | |
f5b4a9c3 | 1042 | |
c6264def | 1043 | if (run != ena) |
4aa9015f SE |
1044 | fprintf(output, " (%.2f%%)", |
1045 | 100.0 * run / ena); | |
f5b4a9c3 | 1046 | } |
4aa9015f | 1047 | fputc('\n', output); |
f5b4a9c3 SE |
1048 | } |
1049 | } | |
1050 | ||
42202dd5 IM |
1051 | static void print_stat(int argc, const char **argv) |
1052 | { | |
69aad6f1 ACM |
1053 | struct perf_evsel *counter; |
1054 | int i; | |
42202dd5 | 1055 | |
ddcacfa0 IM |
1056 | fflush(stdout); |
1057 | ||
d7470b6a | 1058 | if (!csv_output) { |
4aa9015f SE |
1059 | fprintf(output, "\n"); |
1060 | fprintf(output, " Performance counter stats for "); | |
aa22dd49 | 1061 | if (!perf_target__has_task(&target)) { |
4aa9015f | 1062 | fprintf(output, "\'%s", argv[0]); |
d7470b6a | 1063 | for (i = 1; i < argc; i++) |
4aa9015f | 1064 | fprintf(output, " %s", argv[i]); |
20f946b4 NK |
1065 | } else if (target.pid) |
1066 | fprintf(output, "process id \'%s", target.pid); | |
d7470b6a | 1067 | else |
20f946b4 | 1068 | fprintf(output, "thread id \'%s", target.tid); |
44db76c8 | 1069 | |
4aa9015f | 1070 | fprintf(output, "\'"); |
d7470b6a | 1071 | if (run_count > 1) |
4aa9015f SE |
1072 | fprintf(output, " (%d runs)", run_count); |
1073 | fprintf(output, ":\n\n"); | |
d7470b6a | 1074 | } |
2996f5dd | 1075 | |
d7e7a451 SE |
1076 | if (aggr_socket) |
1077 | print_aggr_socket(NULL); | |
1078 | else if (no_aggr) { | |
361c99a6 | 1079 | list_for_each_entry(counter, &evsel_list->entries, node) |
13370a9b | 1080 | print_counter(counter, NULL); |
f5b4a9c3 | 1081 | } else { |
361c99a6 | 1082 | list_for_each_entry(counter, &evsel_list->entries, node) |
13370a9b | 1083 | print_counter_aggr(counter, NULL); |
f5b4a9c3 | 1084 | } |
ddcacfa0 | 1085 | |
d7470b6a | 1086 | if (!csv_output) { |
c3305257 | 1087 | if (!null_run) |
4aa9015f SE |
1088 | fprintf(output, "\n"); |
1089 | fprintf(output, " %17.9f seconds time elapsed", | |
d7470b6a SE |
1090 | avg_stats(&walltime_nsecs_stats)/1e9); |
1091 | if (run_count > 1) { | |
4aa9015f | 1092 | fprintf(output, " "); |
f99844cb IM |
1093 | print_noise_pct(stddev_stats(&walltime_nsecs_stats), |
1094 | avg_stats(&walltime_nsecs_stats)); | |
d7470b6a | 1095 | } |
4aa9015f | 1096 | fprintf(output, "\n\n"); |
566747e6 | 1097 | } |
ddcacfa0 IM |
1098 | } |
1099 | ||
f7b7c26e PZ |
1100 | static volatile int signr = -1; |
1101 | ||
5242519b | 1102 | static void skip_signal(int signo) |
ddcacfa0 | 1103 | { |
13370a9b | 1104 | if ((child_pid == -1) || interval) |
60666c63 LW |
1105 | done = 1; |
1106 | ||
f7b7c26e PZ |
1107 | signr = signo; |
1108 | } | |
1109 | ||
1110 | static void sig_atexit(void) | |
1111 | { | |
933da83a CW |
1112 | if (child_pid != -1) |
1113 | kill(child_pid, SIGTERM); | |
1114 | ||
f7b7c26e PZ |
1115 | if (signr == -1) |
1116 | return; | |
1117 | ||
1118 | signal(signr, SIG_DFL); | |
1119 | kill(getpid(), signr); | |
5242519b IM |
1120 | } |
1121 | ||
1d037ca1 IT |
1122 | static int stat__set_big_num(const struct option *opt __maybe_unused, |
1123 | const char *s __maybe_unused, int unset) | |
d7470b6a SE |
1124 | { |
1125 | big_num_opt = unset ? 0 : 1; | |
1126 | return 0; | |
1127 | } | |
1128 | ||
2cba3ffb IM |
1129 | /* |
1130 | * Add default attributes, if there were no attributes specified or | |
1131 | * if -d/--detailed, -d -d or -d -d -d is used: | |
1132 | */ | |
1133 | static int add_default_attributes(void) | |
1134 | { | |
b070a547 ACM |
1135 | struct perf_event_attr default_attrs[] = { |
1136 | ||
1137 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, | |
1138 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, | |
1139 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, | |
1140 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, | |
1141 | ||
1142 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, | |
1143 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, | |
1144 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, | |
1145 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, | |
1146 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, | |
1147 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, | |
1148 | ||
1149 | }; | |
1150 | ||
1151 | /* | |
1152 | * Detailed stats (-d), covering the L1 and last level data caches: | |
1153 | */ | |
1154 | struct perf_event_attr detailed_attrs[] = { | |
1155 | ||
1156 | { .type = PERF_TYPE_HW_CACHE, | |
1157 | .config = | |
1158 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1159 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1160 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1161 | ||
1162 | { .type = PERF_TYPE_HW_CACHE, | |
1163 | .config = | |
1164 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1165 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1166 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1167 | ||
1168 | { .type = PERF_TYPE_HW_CACHE, | |
1169 | .config = | |
1170 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1171 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1172 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1173 | ||
1174 | { .type = PERF_TYPE_HW_CACHE, | |
1175 | .config = | |
1176 | PERF_COUNT_HW_CACHE_LL << 0 | | |
1177 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1178 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1179 | }; | |
1180 | ||
1181 | /* | |
1182 | * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: | |
1183 | */ | |
1184 | struct perf_event_attr very_detailed_attrs[] = { | |
1185 | ||
1186 | { .type = PERF_TYPE_HW_CACHE, | |
1187 | .config = | |
1188 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1189 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1190 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1191 | ||
1192 | { .type = PERF_TYPE_HW_CACHE, | |
1193 | .config = | |
1194 | PERF_COUNT_HW_CACHE_L1I << 0 | | |
1195 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1196 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1197 | ||
1198 | { .type = PERF_TYPE_HW_CACHE, | |
1199 | .config = | |
1200 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1201 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1202 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1203 | ||
1204 | { .type = PERF_TYPE_HW_CACHE, | |
1205 | .config = | |
1206 | PERF_COUNT_HW_CACHE_DTLB << 0 | | |
1207 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1208 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1209 | ||
1210 | { .type = PERF_TYPE_HW_CACHE, | |
1211 | .config = | |
1212 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1213 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1214 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1215 | ||
1216 | { .type = PERF_TYPE_HW_CACHE, | |
1217 | .config = | |
1218 | PERF_COUNT_HW_CACHE_ITLB << 0 | | |
1219 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | | |
1220 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1221 | ||
1222 | }; | |
1223 | ||
1224 | /* | |
1225 | * Very, very detailed stats (-d -d -d), adding prefetch events: | |
1226 | */ | |
1227 | struct perf_event_attr very_very_detailed_attrs[] = { | |
1228 | ||
1229 | { .type = PERF_TYPE_HW_CACHE, | |
1230 | .config = | |
1231 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1232 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
1233 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, | |
1234 | ||
1235 | { .type = PERF_TYPE_HW_CACHE, | |
1236 | .config = | |
1237 | PERF_COUNT_HW_CACHE_L1D << 0 | | |
1238 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | | |
1239 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, | |
1240 | }; | |
1241 | ||
2cba3ffb IM |
1242 | /* Set attrs if no event is selected and !null_run: */ |
1243 | if (null_run) | |
1244 | return 0; | |
1245 | ||
1246 | if (!evsel_list->nr_entries) { | |
79695e1b | 1247 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0) |
50d08e47 | 1248 | return -1; |
2cba3ffb IM |
1249 | } |
1250 | ||
1251 | /* Detailed events get appended to the event list: */ | |
1252 | ||
1253 | if (detailed_run < 1) | |
1254 | return 0; | |
1255 | ||
1256 | /* Append detailed run extra attributes: */ | |
79695e1b | 1257 | if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) |
50d08e47 | 1258 | return -1; |
2cba3ffb IM |
1259 | |
1260 | if (detailed_run < 2) | |
1261 | return 0; | |
1262 | ||
1263 | /* Append very detailed run extra attributes: */ | |
79695e1b | 1264 | if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) |
50d08e47 | 1265 | return -1; |
2cba3ffb IM |
1266 | |
1267 | if (detailed_run < 3) | |
1268 | return 0; | |
1269 | ||
1270 | /* Append very, very detailed run extra attributes: */ | |
79695e1b | 1271 | return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); |
2cba3ffb IM |
1272 | } |
1273 | ||
1d037ca1 | 1274 | int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) |
5242519b | 1275 | { |
1f16c575 | 1276 | bool append_file = false; |
b070a547 ACM |
1277 | int output_fd = 0; |
1278 | const char *output_name = NULL; | |
1279 | const struct option options[] = { | |
1280 | OPT_CALLBACK('e', "event", &evsel_list, "event", | |
1281 | "event selector. use 'perf list' to list available events", | |
1282 | parse_events_option), | |
1283 | OPT_CALLBACK(0, "filter", &evsel_list, "filter", | |
1284 | "event filter", parse_filter), | |
1285 | OPT_BOOLEAN('i', "no-inherit", &no_inherit, | |
1286 | "child tasks do not inherit counters"), | |
1287 | OPT_STRING('p', "pid", &target.pid, "pid", | |
1288 | "stat events on existing process id"), | |
1289 | OPT_STRING('t', "tid", &target.tid, "tid", | |
1290 | "stat events on existing thread id"), | |
1291 | OPT_BOOLEAN('a', "all-cpus", &target.system_wide, | |
1292 | "system-wide collection from all CPUs"), | |
1293 | OPT_BOOLEAN('g', "group", &group, | |
1294 | "put the counters into a counter group"), | |
1295 | OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"), | |
1296 | OPT_INCR('v', "verbose", &verbose, | |
1297 | "be more verbose (show counter open errors, etc)"), | |
1298 | OPT_INTEGER('r', "repeat", &run_count, | |
1299 | "repeat command and print average + stddev (max: 100)"), | |
1300 | OPT_BOOLEAN('n', "null", &null_run, | |
1301 | "null run - dont start any counters"), | |
1302 | OPT_INCR('d', "detailed", &detailed_run, | |
1303 | "detailed run - start a lot of events"), | |
1304 | OPT_BOOLEAN('S', "sync", &sync_run, | |
1305 | "call sync() before starting a run"), | |
1306 | OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, | |
1307 | "print large numbers with thousands\' separators", | |
1308 | stat__set_big_num), | |
1309 | OPT_STRING('C', "cpu", &target.cpu_list, "cpu", | |
1310 | "list of cpus to monitor in system-wide"), | |
1311 | OPT_BOOLEAN('A', "no-aggr", &no_aggr, "disable CPU count aggregation"), | |
1312 | OPT_STRING('x', "field-separator", &csv_sep, "separator", | |
1313 | "print counts with custom separator"), | |
1314 | OPT_CALLBACK('G', "cgroup", &evsel_list, "name", | |
1315 | "monitor event in cgroup name only", parse_cgroups), | |
1316 | OPT_STRING('o', "output", &output_name, "file", "output file name"), | |
1317 | OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), | |
1318 | OPT_INTEGER(0, "log-fd", &output_fd, | |
1319 | "log output to fd, instead of stderr"), | |
1f16c575 PZ |
1320 | OPT_STRING(0, "pre", &pre_cmd, "command", |
1321 | "command to run prior to the measured command"), | |
1322 | OPT_STRING(0, "post", &post_cmd, "command", | |
1323 | "command to run after to the measured command"), | |
13370a9b SE |
1324 | OPT_UINTEGER('I', "interval-print", &interval, |
1325 | "print counts at regular interval in ms (>= 100)"), | |
d7e7a451 | 1326 | OPT_BOOLEAN(0, "aggr-socket", &aggr_socket, "aggregate counts per processor socket"), |
b070a547 ACM |
1327 | OPT_END() |
1328 | }; | |
1329 | const char * const stat_usage[] = { | |
1330 | "perf stat [<options>] [<command>]", | |
1331 | NULL | |
1332 | }; | |
69aad6f1 | 1333 | struct perf_evsel *pos; |
b070a547 | 1334 | int status = -ENOMEM, run_idx; |
4aa9015f | 1335 | const char *mode; |
42202dd5 | 1336 | |
5af52b51 SE |
1337 | setlocale(LC_ALL, ""); |
1338 | ||
7e2ed097 | 1339 | evsel_list = perf_evlist__new(NULL, NULL); |
361c99a6 ACM |
1340 | if (evsel_list == NULL) |
1341 | return -ENOMEM; | |
1342 | ||
a0541234 AB |
1343 | argc = parse_options(argc, argv, options, stat_usage, |
1344 | PARSE_OPT_STOP_AT_NON_OPTION); | |
d7470b6a | 1345 | |
4aa9015f SE |
1346 | output = stderr; |
1347 | if (output_name && strcmp(output_name, "-")) | |
1348 | output = NULL; | |
1349 | ||
56f3bae7 JC |
1350 | if (output_name && output_fd) { |
1351 | fprintf(stderr, "cannot use both --output and --log-fd\n"); | |
1352 | usage_with_options(stat_usage, options); | |
1353 | } | |
fc3e4d07 SE |
1354 | |
1355 | if (output_fd < 0) { | |
1356 | fprintf(stderr, "argument to --log-fd must be a > 0\n"); | |
1357 | usage_with_options(stat_usage, options); | |
1358 | } | |
1359 | ||
4aa9015f SE |
1360 | if (!output) { |
1361 | struct timespec tm; | |
1362 | mode = append_file ? "a" : "w"; | |
1363 | ||
1364 | output = fopen(output_name, mode); | |
1365 | if (!output) { | |
1366 | perror("failed to create output file"); | |
fceda7fe | 1367 | return -1; |
4aa9015f SE |
1368 | } |
1369 | clock_gettime(CLOCK_REALTIME, &tm); | |
1370 | fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); | |
fc3e4d07 | 1371 | } else if (output_fd > 0) { |
56f3bae7 JC |
1372 | mode = append_file ? "a" : "w"; |
1373 | output = fdopen(output_fd, mode); | |
1374 | if (!output) { | |
1375 | perror("Failed opening logfd"); | |
1376 | return -errno; | |
1377 | } | |
4aa9015f SE |
1378 | } |
1379 | ||
d4ffd04d | 1380 | if (csv_sep) { |
d7470b6a | 1381 | csv_output = true; |
d4ffd04d JC |
1382 | if (!strcmp(csv_sep, "\\t")) |
1383 | csv_sep = "\t"; | |
1384 | } else | |
d7470b6a SE |
1385 | csv_sep = DEFAULT_SEPARATOR; |
1386 | ||
1387 | /* | |
1388 | * let the spreadsheet do the pretty-printing | |
1389 | */ | |
1390 | if (csv_output) { | |
61a9f324 | 1391 | /* User explicitly passed -B? */ |
d7470b6a SE |
1392 | if (big_num_opt == 1) { |
1393 | fprintf(stderr, "-B option not supported with -x\n"); | |
1394 | usage_with_options(stat_usage, options); | |
1395 | } else /* Nope, so disable big number formatting */ | |
1396 | big_num = false; | |
1397 | } else if (big_num_opt == 0) /* User passed --no-big-num */ | |
1398 | big_num = false; | |
1399 | ||
aa22dd49 | 1400 | if (!argc && !perf_target__has_task(&target)) |
5242519b | 1401 | usage_with_options(stat_usage, options); |
9e9772c4 | 1402 | if (run_count <= 0) |
42202dd5 | 1403 | usage_with_options(stat_usage, options); |
ddcacfa0 | 1404 | |
023695d9 | 1405 | /* no_aggr, cgroup are for system-wide only */ |
aa22dd49 | 1406 | if ((no_aggr || nr_cgroups) && !perf_target__has_cpu(&target)) { |
023695d9 SE |
1407 | fprintf(stderr, "both cgroup and no-aggregation " |
1408 | "modes only available in system-wide mode\n"); | |
1409 | ||
f5b4a9c3 | 1410 | usage_with_options(stat_usage, options); |
023695d9 | 1411 | } |
f5b4a9c3 | 1412 | |
d7e7a451 SE |
1413 | if (aggr_socket) { |
1414 | if (!perf_target__has_cpu(&target)) { | |
1415 | fprintf(stderr, "--aggr-socket only available in system-wide mode (-a)\n"); | |
1416 | usage_with_options(stat_usage, options); | |
1417 | } | |
1418 | no_aggr = true; | |
1419 | } | |
1420 | ||
2cba3ffb IM |
1421 | if (add_default_attributes()) |
1422 | goto out; | |
ddcacfa0 | 1423 | |
4bd0f2d2 | 1424 | perf_target__validate(&target); |
5c98d466 | 1425 | |
77a6f014 | 1426 | if (perf_evlist__create_maps(evsel_list, &target) < 0) { |
aa22dd49 | 1427 | if (perf_target__has_task(&target)) |
77a6f014 | 1428 | pr_err("Problems finding threads of monitor\n"); |
aa22dd49 | 1429 | if (perf_target__has_cpu(&target)) |
77a6f014 | 1430 | perror("failed to parse CPUs map"); |
ddcacfa0 | 1431 | |
c45c6ea2 | 1432 | usage_with_options(stat_usage, options); |
60d567e2 ACM |
1433 | return -1; |
1434 | } | |
13370a9b SE |
1435 | if (interval && interval < 100) { |
1436 | pr_err("print interval must be >= 100ms\n"); | |
1437 | usage_with_options(stat_usage, options); | |
1438 | return -1; | |
1439 | } | |
c45c6ea2 | 1440 | |
361c99a6 | 1441 | list_for_each_entry(pos, &evsel_list->entries, node) { |
c52b12ed | 1442 | if (perf_evsel__alloc_stat_priv(pos) < 0 || |
7ae92e74 | 1443 | perf_evsel__alloc_counts(pos, perf_evsel__nr_cpus(pos)) < 0) |
69aad6f1 | 1444 | goto out_free_fd; |
d6d901c2 | 1445 | } |
13370a9b SE |
1446 | if (interval) { |
1447 | list_for_each_entry(pos, &evsel_list->entries, node) { | |
1448 | if (perf_evsel__alloc_prev_raw_counts(pos) < 0) | |
1449 | goto out_free_fd; | |
1450 | } | |
1451 | } | |
d6d901c2 | 1452 | |
58d7e993 IM |
1453 | /* |
1454 | * We dont want to block the signals - that would cause | |
1455 | * child tasks to inherit that and Ctrl-C would not work. | |
1456 | * What we want is for Ctrl-C to work in the exec()-ed | |
1457 | * task, but being ignored by perf stat itself: | |
1458 | */ | |
f7b7c26e | 1459 | atexit(sig_atexit); |
58d7e993 | 1460 | signal(SIGINT, skip_signal); |
13370a9b | 1461 | signal(SIGCHLD, skip_signal); |
58d7e993 IM |
1462 | signal(SIGALRM, skip_signal); |
1463 | signal(SIGABRT, skip_signal); | |
1464 | ||
42202dd5 IM |
1465 | status = 0; |
1466 | for (run_idx = 0; run_idx < run_count; run_idx++) { | |
1467 | if (run_count != 1 && verbose) | |
4aa9015f SE |
1468 | fprintf(output, "[ perf stat: executing run #%d ... ]\n", |
1469 | run_idx + 1); | |
f9cef0a9 | 1470 | |
42202dd5 IM |
1471 | status = run_perf_stat(argc, argv); |
1472 | } | |
1473 | ||
13370a9b | 1474 | if (status != -1 && !interval) |
084ab9f8 | 1475 | print_stat(argc, argv); |
69aad6f1 | 1476 | out_free_fd: |
13370a9b | 1477 | list_for_each_entry(pos, &evsel_list->entries, node) { |
69aad6f1 | 1478 | perf_evsel__free_stat_priv(pos); |
43f8e76e | 1479 | perf_evsel__free_counts(pos); |
13370a9b SE |
1480 | perf_evsel__free_prev_raw_counts(pos); |
1481 | } | |
7e2ed097 | 1482 | perf_evlist__delete_maps(evsel_list); |
0015e2e1 ACM |
1483 | out: |
1484 | perf_evlist__delete(evsel_list); | |
42202dd5 | 1485 | return status; |
ddcacfa0 | 1486 | } |