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Ingo Molnarddcacfa2009-04-20 15:37:32 +02001/*
Ingo Molnarbf9e1872009-06-02 23:37:05 +02002 * 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:
Ingo Molnarddcacfa2009-04-20 15:37:32 +02008
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02009 $ perf stat ./hackbench 10
Ingo Molnarddcacfa2009-04-20 15:37:32 +020010
Ingo Molnar2cba3ff2011-05-19 13:30:56 +020011 Time: 0.118
Ingo Molnarddcacfa2009-04-20 15:37:32 +020012
Ingo Molnar2cba3ff2011-05-19 13:30:56 +020013 Performance counter stats for './hackbench 10':
Ingo Molnarddcacfa2009-04-20 15:37:32 +020014
Ingo Molnar2cba3ff2011-05-19 13:30:56 +020015 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
Ingo Molnarddcacfa2009-04-20 15:37:32 +020028
Ingo Molnar52425192009-05-26 09:17:18 +020029 *
Ingo Molnar2cba3ff2011-05-19 13:30:56 +020030 * Copyright (C) 2008-2011, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
Ingo Molnar52425192009-05-26 09:17:18 +020031 *
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>
Jaswinder Singh Rajput6e750a8f2009-06-27 03:02:07 +053039 * Jaswinder Singh Rajput <jaswinder@kernel.org>
Ingo Molnar52425192009-05-26 09:17:18 +020040 *
41 * Released under the GPL v2. (and only v2, not any later version)
Ingo Molnarddcacfa2009-04-20 15:37:32 +020042 */
43
Peter Zijlstra1a482f32009-05-23 18:28:58 +020044#include "perf.h"
Ingo Molnar16f762a2009-05-27 09:10:38 +020045#include "builtin.h"
Ingo Molnar148be2c2009-04-27 08:02:14 +020046#include "util/util.h"
Ingo Molnar52425192009-05-26 09:17:18 +020047#include "util/parse-options.h"
48#include "util/parse-events.h"
Andi Kleen4cabc3d2013-08-21 16:47:26 -070049#include "util/pmu.h"
Frederic Weisbecker8f28827a2009-08-16 22:05:48 +020050#include "util/event.h"
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -020051#include "util/evlist.h"
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -020052#include "util/evsel.h"
Frederic Weisbecker8f28827a2009-08-16 22:05:48 +020053#include "util/debug.h"
Ingo Molnara5d243d2011-04-27 05:39:24 +020054#include "util/color.h"
Xiao Guangrong0007ece2012-09-17 16:31:14 +080055#include "util/stat.h"
Liming Wang60666c62009-12-31 16:05:50 +080056#include "util/header.h"
Paul Mackerrasa12b51c2010-03-10 20:36:09 +110057#include "util/cpumap.h"
Zhang, Yanmind6d901c2010-03-18 11:36:05 -030058#include "util/thread.h"
Arnaldo Carvalho de Melofd782602011-01-18 15:15:24 -020059#include "util/thread_map.h"
Ingo Molnarddcacfa2009-04-20 15:37:32 +020060
Peter Zijlstra1f16c572012-10-23 13:40:14 +020061#include <stdlib.h>
Ingo Molnarddcacfa2009-04-20 15:37:32 +020062#include <sys/prctl.h>
Stephane Eranian5af52b52010-05-18 15:00:01 +020063#include <locale.h>
Peter Zijlstra16c8a102009-05-05 17:50:27 +020064
Stephane Eraniand7470b62010-12-01 18:49:05 +020065#define DEFAULT_SEPARATOR " "
David Ahern2cee77c2011-05-30 08:55:59 -060066#define CNTR_NOT_SUPPORTED "<not supported>"
67#define CNTR_NOT_COUNTED "<not counted>"
Stephane Eraniand7470b62010-12-01 18:49:05 +020068
Stephane Eranian13370a92013-01-29 12:47:44 +010069static void print_stat(int argc, const char **argv);
70static void print_counter_aggr(struct perf_evsel *counter, char *prefix);
71static void print_counter(struct perf_evsel *counter, char *prefix);
Stephane Eranian86ee6e12013-02-14 13:57:27 +010072static void print_aggr(char *prefix);
Stephane Eranian13370a92013-01-29 12:47:44 +010073
Andi Kleen4cabc3d2013-08-21 16:47:26 -070074/* Default events used for perf stat -T */
75static const char * const transaction_attrs[] = {
76 "task-clock",
77 "{"
78 "instructions,"
79 "cycles,"
80 "cpu/cycles-t/,"
81 "cpu/tx-start/,"
82 "cpu/el-start/,"
83 "cpu/cycles-ct/"
84 "}"
85};
86
87/* More limited version when the CPU does not have all events. */
88static const char * const transaction_limited_attrs[] = {
89 "task-clock",
90 "{"
91 "instructions,"
92 "cycles,"
93 "cpu/cycles-t/,"
94 "cpu/tx-start/"
95 "}"
96};
97
98/* must match transaction_attrs and the beginning limited_attrs */
99enum {
100 T_TASK_CLOCK,
101 T_INSTRUCTIONS,
102 T_CYCLES,
103 T_CYCLES_IN_TX,
104 T_TRANSACTION_START,
105 T_ELISION_START,
106 T_CYCLES_IN_TX_CP,
107};
108
Robert Richter666e6d42012-04-05 18:26:27 +0200109static struct perf_evlist *evsel_list;
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -0200110
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -0300111static struct target target = {
Namhyung Kim77a6f012012-05-07 14:09:04 +0900112 .uid = UINT_MAX,
113};
Jaswinder Singh Rajput3d632592009-06-24 18:19:34 +0530114
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100115enum aggr_mode {
116 AGGR_NONE,
117 AGGR_GLOBAL,
118 AGGR_SOCKET,
Stephane Eranian12c08a92013-02-14 13:57:29 +0100119 AGGR_CORE,
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100120};
121
Jaswinder Singh Rajput3d632592009-06-24 18:19:34 +0530122static int run_count = 1;
Stephane Eranian2e6cdf92010-05-12 10:40:01 +0200123static bool no_inherit = false;
Ian Munsiec0555642010-04-13 18:37:33 +1000124static bool scale = true;
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100125static enum aggr_mode aggr_mode = AGGR_GLOBAL;
Stephane Eraniand07f0b12013-06-04 17:44:26 +0200126static volatile pid_t child_pid = -1;
Ian Munsiec0555642010-04-13 18:37:33 +1000127static bool null_run = false;
Ingo Molnar2cba3ff2011-05-19 13:30:56 +0200128static int detailed_run = 0;
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700129static bool transaction_run;
Arnaldo Carvalho de Melo201e0b02010-12-01 17:53:27 -0200130static bool big_num = true;
Stephane Eraniand7470b62010-12-01 18:49:05 +0200131static int big_num_opt = -1;
Stephane Eraniand7470b62010-12-01 18:49:05 +0200132static const char *csv_sep = NULL;
133static bool csv_output = false;
Lin Ming43bece72011-08-17 18:42:07 +0800134static bool group = false;
Stephane Eranian4aa90152011-08-15 22:22:33 +0200135static FILE *output = NULL;
Peter Zijlstra1f16c572012-10-23 13:40:14 +0200136static const char *pre_cmd = NULL;
137static const char *post_cmd = NULL;
138static bool sync_run = false;
Stephane Eranian13370a92013-01-29 12:47:44 +0100139static unsigned int interval = 0;
Andi Kleen41191682013-08-02 17:41:11 -0700140static unsigned int initial_delay = 0;
Stephane Eranian410136f2013-11-12 17:58:49 +0100141static unsigned int unit_width = 4; /* strlen("unit") */
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500142static bool forever = false;
Stephane Eranian13370a92013-01-29 12:47:44 +0100143static struct timespec ref_time;
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100144static struct cpu_map *aggr_map;
145static int (*aggr_get_id)(struct cpu_map *m, int cpu);
Stephane Eranian5af52b52010-05-18 15:00:01 +0200146
Liming Wang60666c62009-12-31 16:05:50 +0800147static volatile int done = 0;
148
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200149struct perf_stat {
150 struct stats res_stats[3];
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200151};
152
Stephane Eranian13370a92013-01-29 12:47:44 +0100153static inline void diff_timespec(struct timespec *r, struct timespec *a,
154 struct timespec *b)
155{
156 r->tv_sec = a->tv_sec - b->tv_sec;
157 if (a->tv_nsec < b->tv_nsec) {
158 r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec;
159 r->tv_sec--;
160 } else {
161 r->tv_nsec = a->tv_nsec - b->tv_nsec ;
162 }
163}
164
165static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
166{
167 return (evsel->cpus && !target.cpu_list) ? evsel->cpus : evsel_list->cpus;
168}
169
170static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
171{
172 return perf_evsel__cpus(evsel)->nr;
173}
174
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500175static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel)
176{
Andi Kleen90f6bb62014-03-25 10:31:38 -0700177 int i;
178 struct perf_stat *ps = evsel->priv;
179
180 for (i = 0; i < 3; i++)
181 init_stats(&ps->res_stats[i]);
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500182}
183
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200184static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel)
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200185{
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200186 evsel->priv = zalloc(sizeof(struct perf_stat));
Jiri Olsad180ac12014-06-20 10:56:34 +0200187 if (evsel->priv == NULL)
Andi Kleen90f6bb62014-03-25 10:31:38 -0700188 return -ENOMEM;
189 perf_evsel__reset_stat_priv(evsel);
190 return 0;
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200191}
192
193static void perf_evsel__free_stat_priv(struct perf_evsel *evsel)
194{
Arnaldo Carvalho de Melo04662522013-12-26 17:41:15 -0300195 zfree(&evsel->priv);
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200196}
197
Stephane Eranian13370a92013-01-29 12:47:44 +0100198static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel)
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800199{
Stephane Eranian13370a92013-01-29 12:47:44 +0100200 void *addr;
201 size_t sz;
202
203 sz = sizeof(*evsel->counts) +
204 (perf_evsel__nr_cpus(evsel) * sizeof(struct perf_counts_values));
205
206 addr = zalloc(sz);
207 if (!addr)
208 return -ENOMEM;
209
210 evsel->prev_raw_counts = addr;
211
212 return 0;
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800213}
214
Stephane Eranian13370a92013-01-29 12:47:44 +0100215static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel)
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800216{
Arnaldo Carvalho de Melo04662522013-12-26 17:41:15 -0300217 zfree(&evsel->prev_raw_counts);
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800218}
219
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -0300220static void perf_evlist__free_stats(struct perf_evlist *evlist)
221{
222 struct perf_evsel *evsel;
223
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300224 evlist__for_each(evlist, evsel) {
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -0300225 perf_evsel__free_stat_priv(evsel);
226 perf_evsel__free_counts(evsel);
227 perf_evsel__free_prev_raw_counts(evsel);
228 }
229}
230
231static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)
232{
233 struct perf_evsel *evsel;
234
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300235 evlist__for_each(evlist, evsel) {
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -0300236 if (perf_evsel__alloc_stat_priv(evsel) < 0 ||
237 perf_evsel__alloc_counts(evsel, perf_evsel__nr_cpus(evsel)) < 0 ||
238 (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel) < 0))
239 goto out_free;
240 }
241
242 return 0;
243
244out_free:
245 perf_evlist__free_stats(evlist);
246 return -1;
247}
248
Robert Richter666e6d42012-04-05 18:26:27 +0200249static struct stats runtime_nsecs_stats[MAX_NR_CPUS];
250static struct stats runtime_cycles_stats[MAX_NR_CPUS];
251static struct stats runtime_stalled_cycles_front_stats[MAX_NR_CPUS];
252static struct stats runtime_stalled_cycles_back_stats[MAX_NR_CPUS];
253static struct stats runtime_branches_stats[MAX_NR_CPUS];
254static struct stats runtime_cacherefs_stats[MAX_NR_CPUS];
255static struct stats runtime_l1_dcache_stats[MAX_NR_CPUS];
256static struct stats runtime_l1_icache_stats[MAX_NR_CPUS];
257static struct stats runtime_ll_cache_stats[MAX_NR_CPUS];
258static struct stats runtime_itlb_cache_stats[MAX_NR_CPUS];
259static struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS];
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700260static struct stats runtime_cycles_in_tx_stats[MAX_NR_CPUS];
Robert Richter666e6d42012-04-05 18:26:27 +0200261static struct stats walltime_nsecs_stats;
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700262static struct stats runtime_transaction_stats[MAX_NR_CPUS];
263static struct stats runtime_elision_stats[MAX_NR_CPUS];
Ingo Molnarbe1ac0d2009-05-29 09:10:54 +0200264
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -0300265static void perf_stat__reset_stats(struct perf_evlist *evlist)
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500266{
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -0300267 struct perf_evsel *evsel;
268
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300269 evlist__for_each(evlist, evsel) {
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -0300270 perf_evsel__reset_stat_priv(evsel);
271 perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel));
272 }
273
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500274 memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats));
275 memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats));
276 memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats));
277 memset(runtime_stalled_cycles_back_stats, 0, sizeof(runtime_stalled_cycles_back_stats));
278 memset(runtime_branches_stats, 0, sizeof(runtime_branches_stats));
279 memset(runtime_cacherefs_stats, 0, sizeof(runtime_cacherefs_stats));
280 memset(runtime_l1_dcache_stats, 0, sizeof(runtime_l1_dcache_stats));
281 memset(runtime_l1_icache_stats, 0, sizeof(runtime_l1_icache_stats));
282 memset(runtime_ll_cache_stats, 0, sizeof(runtime_ll_cache_stats));
283 memset(runtime_itlb_cache_stats, 0, sizeof(runtime_itlb_cache_stats));
284 memset(runtime_dtlb_cache_stats, 0, sizeof(runtime_dtlb_cache_stats));
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700285 memset(runtime_cycles_in_tx_stats, 0,
286 sizeof(runtime_cycles_in_tx_stats));
287 memset(runtime_transaction_stats, 0,
288 sizeof(runtime_transaction_stats));
289 memset(runtime_elision_stats, 0, sizeof(runtime_elision_stats));
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500290 memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats));
291}
292
Jiri Olsacac21422012-11-12 18:34:00 +0100293static int create_perf_stat_counter(struct perf_evsel *evsel)
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200294{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200295 struct perf_event_attr *attr = &evsel->attr;
Arnaldo Carvalho de Melo727ab042011-10-25 10:42:19 -0200296
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200297 if (scale)
Ingo Molnara21ca2c2009-06-06 09:58:57 +0200298 attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED |
299 PERF_FORMAT_TOTAL_TIME_RUNNING;
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200300
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200301 attr->inherit = !no_inherit;
Arnaldo Carvalho de Melo5d2cd902011-04-14 11:20:14 -0300302
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -0300303 if (target__has_cpu(&target))
Arnaldo Carvalho de Melo594ac612012-12-13 13:13:07 -0300304 return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel));
Stephane Eranian5622c072012-04-27 14:45:38 +0200305
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -0300306 if (!target__has_task(&target) && perf_evsel__is_group_leader(evsel)) {
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200307 attr->disabled = 1;
Andi Kleen41191682013-08-02 17:41:11 -0700308 if (!initial_delay)
309 attr->enable_on_exec = 1;
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200310 }
Arnaldo Carvalho de Melo084ab9f2010-03-22 13:10:28 -0300311
Arnaldo Carvalho de Melo594ac612012-12-13 13:13:07 -0300312 return perf_evsel__open_per_thread(evsel, evsel_list->threads);
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200313}
314
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200315/*
316 * Does the counter have nsecs as a unit?
317 */
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200318static inline int nsec_counter(struct perf_evsel *evsel)
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200319{
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200320 if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
321 perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK))
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200322 return 1;
323
324 return 0;
325}
326
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700327static struct perf_evsel *nth_evsel(int n)
328{
329 static struct perf_evsel **array;
330 static int array_len;
331 struct perf_evsel *ev;
332 int j;
333
334 /* Assumes this only called when evsel_list does not change anymore. */
335 if (!array) {
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300336 evlist__for_each(evsel_list, ev)
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700337 array_len++;
338 array = malloc(array_len * sizeof(void *));
339 if (!array)
340 exit(ENOMEM);
341 j = 0;
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300342 evlist__for_each(evsel_list, ev)
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700343 array[j++] = ev;
344 }
345 if (n < array_len)
346 return array[n];
347 return NULL;
348}
349
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200350/*
Ingo Molnardcd99362011-04-27 04:36:37 +0200351 * Update various tracking values we maintain to print
352 * more semantic information such as miss/hit ratios,
353 * instruction rates, etc:
354 */
355static void update_shadow_stats(struct perf_evsel *counter, u64 *count)
356{
357 if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK))
358 update_stats(&runtime_nsecs_stats[0], count[0]);
359 else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
360 update_stats(&runtime_cycles_stats[0], count[0]);
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700361 else if (transaction_run &&
362 perf_evsel__cmp(counter, nth_evsel(T_CYCLES_IN_TX)))
363 update_stats(&runtime_cycles_in_tx_stats[0], count[0]);
364 else if (transaction_run &&
365 perf_evsel__cmp(counter, nth_evsel(T_TRANSACTION_START)))
366 update_stats(&runtime_transaction_stats[0], count[0]);
367 else if (transaction_run &&
368 perf_evsel__cmp(counter, nth_evsel(T_ELISION_START)))
369 update_stats(&runtime_elision_stats[0], count[0]);
Ingo Molnard3d1e862011-04-29 13:49:08 +0200370 else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
371 update_stats(&runtime_stalled_cycles_front_stats[0], count[0]);
Ingo Molnar129c04c2011-04-29 14:41:28 +0200372 else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND))
Ingo Molnard3d1e862011-04-29 13:49:08 +0200373 update_stats(&runtime_stalled_cycles_back_stats[0], count[0]);
Ingo Molnardcd99362011-04-27 04:36:37 +0200374 else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
375 update_stats(&runtime_branches_stats[0], count[0]);
376 else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES))
377 update_stats(&runtime_cacherefs_stats[0], count[0]);
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200378 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D))
379 update_stats(&runtime_l1_dcache_stats[0], count[0]);
Ingo Molnarc3305252011-05-19 14:01:42 +0200380 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I))
381 update_stats(&runtime_l1_icache_stats[0], count[0]);
382 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL))
383 update_stats(&runtime_ll_cache_stats[0], count[0]);
384 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB))
385 update_stats(&runtime_dtlb_cache_stats[0], count[0]);
386 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB))
387 update_stats(&runtime_itlb_cache_stats[0], count[0]);
Ingo Molnardcd99362011-04-27 04:36:37 +0200388}
389
390/*
Ingo Molnar2996f5d2009-05-29 09:10:54 +0200391 * Read out the results of a single counter:
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200392 * aggregate counts across CPUs in system-wide mode
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200393 */
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200394static int read_counter_aggr(struct perf_evsel *counter)
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200395{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200396 struct perf_stat *ps = counter->priv;
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200397 u64 *count = counter->counts->aggr.values;
398 int i;
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200399
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800400 if (__perf_evsel__read(counter, perf_evsel__nr_cpus(counter),
Namhyung Kimb3a319d2013-03-11 16:43:14 +0900401 thread_map__nr(evsel_list->threads), scale) < 0)
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200402 return -1;
Peter Zijlstra9e9772c2009-09-04 15:36:08 +0200403
404 for (i = 0; i < 3; i++)
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200405 update_stats(&ps->res_stats[i], count[i]);
Peter Zijlstra9e9772c2009-09-04 15:36:08 +0200406
407 if (verbose) {
Stephane Eranian4aa90152011-08-15 22:22:33 +0200408 fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
Arnaldo Carvalho de Melo7289f832012-06-12 12:34:58 -0300409 perf_evsel__name(counter), count[0], count[1], count[2]);
Peter Zijlstra9e9772c2009-09-04 15:36:08 +0200410 }
411
Ingo Molnarbe1ac0d2009-05-29 09:10:54 +0200412 /*
413 * Save the full runtime - to allow normalization during printout:
414 */
Ingo Molnardcd99362011-04-27 04:36:37 +0200415 update_shadow_stats(counter, count);
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200416
417 return 0;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200418}
419
420/*
421 * Read out the results of a single counter:
422 * do not aggregate counts across CPUs in system-wide mode
423 */
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200424static int read_counter(struct perf_evsel *counter)
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200425{
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200426 u64 *count;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200427 int cpu;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200428
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800429 for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200430 if (__perf_evsel__read_on_cpu(counter, cpu, 0, scale) < 0)
431 return -1;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200432
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200433 count = counter->counts->cpu[cpu].values;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200434
Ingo Molnardcd99362011-04-27 04:36:37 +0200435 update_shadow_stats(counter, count);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200436 }
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200437
438 return 0;
Ingo Molnar2996f5d2009-05-29 09:10:54 +0200439}
440
Stephane Eranian13370a92013-01-29 12:47:44 +0100441static void print_interval(void)
442{
443 static int num_print_interval;
444 struct perf_evsel *counter;
445 struct perf_stat *ps;
446 struct timespec ts, rs;
447 char prefix[64];
448
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100449 if (aggr_mode == AGGR_GLOBAL) {
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300450 evlist__for_each(evsel_list, counter) {
Stephane Eranian13370a92013-01-29 12:47:44 +0100451 ps = counter->priv;
452 memset(ps->res_stats, 0, sizeof(ps->res_stats));
453 read_counter_aggr(counter);
454 }
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100455 } else {
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300456 evlist__for_each(evsel_list, counter) {
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100457 ps = counter->priv;
458 memset(ps->res_stats, 0, sizeof(ps->res_stats));
459 read_counter(counter);
460 }
Stephane Eranian13370a92013-01-29 12:47:44 +0100461 }
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100462
Stephane Eranian13370a92013-01-29 12:47:44 +0100463 clock_gettime(CLOCK_MONOTONIC, &ts);
464 diff_timespec(&rs, &ts, &ref_time);
465 sprintf(prefix, "%6lu.%09lu%s", rs.tv_sec, rs.tv_nsec, csv_sep);
466
467 if (num_print_interval == 0 && !csv_output) {
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100468 switch (aggr_mode) {
469 case AGGR_SOCKET:
Stephane Eranian410136f2013-11-12 17:58:49 +0100470 fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit");
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100471 break;
Stephane Eranian12c08a92013-02-14 13:57:29 +0100472 case AGGR_CORE:
Stephane Eranian410136f2013-11-12 17:58:49 +0100473 fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit");
Stephane Eranian12c08a92013-02-14 13:57:29 +0100474 break;
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100475 case AGGR_NONE:
Stephane Eranian410136f2013-11-12 17:58:49 +0100476 fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit");
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100477 break;
478 case AGGR_GLOBAL:
479 default:
Stephane Eranian410136f2013-11-12 17:58:49 +0100480 fprintf(output, "# time counts %*s events\n", unit_width, "unit");
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100481 }
Stephane Eranian13370a92013-01-29 12:47:44 +0100482 }
483
484 if (++num_print_interval == 25)
485 num_print_interval = 0;
486
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100487 switch (aggr_mode) {
Stephane Eranian12c08a92013-02-14 13:57:29 +0100488 case AGGR_CORE:
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100489 case AGGR_SOCKET:
490 print_aggr(prefix);
491 break;
492 case AGGR_NONE:
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300493 evlist__for_each(evsel_list, counter)
Stephane Eranian13370a92013-01-29 12:47:44 +0100494 print_counter(counter, prefix);
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100495 break;
496 case AGGR_GLOBAL:
497 default:
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300498 evlist__for_each(evsel_list, counter)
Stephane Eranian13370a92013-01-29 12:47:44 +0100499 print_counter_aggr(counter, prefix);
500 }
Andi Kleen2bbf03f2013-08-02 17:41:12 -0700501
502 fflush(output);
Stephane Eranian13370a92013-01-29 12:47:44 +0100503}
504
Andi Kleen41191682013-08-02 17:41:11 -0700505static void handle_initial_delay(void)
506{
507 struct perf_evsel *counter;
508
509 if (initial_delay) {
510 const int ncpus = cpu_map__nr(evsel_list->cpus),
511 nthreads = thread_map__nr(evsel_list->threads);
512
513 usleep(initial_delay * 1000);
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300514 evlist__for_each(evsel_list, counter)
Andi Kleen41191682013-08-02 17:41:11 -0700515 perf_evsel__enable(counter, ncpus, nthreads);
516 }
517}
518
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300519static volatile int workload_exec_errno;
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300520
521/*
522 * perf_evlist__prepare_workload will send a SIGUSR1
523 * if the fork fails, since we asked by setting its
524 * want_signal to true.
525 */
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300526static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *info,
527 void *ucontext __maybe_unused)
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300528{
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300529 workload_exec_errno = info->si_value.sival_int;
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300530}
531
Namhyung Kimacf28922013-03-11 16:43:18 +0900532static int __run_perf_stat(int argc, const char **argv)
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200533{
Arnaldo Carvalho de Melo56e52e82012-12-13 15:10:58 -0300534 char msg[512];
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200535 unsigned long long t0, t1;
Jiri Olsacac21422012-11-12 18:34:00 +0100536 struct perf_evsel *counter;
Stephane Eranian13370a92013-01-29 12:47:44 +0100537 struct timespec ts;
Stephane Eranian410136f2013-11-12 17:58:49 +0100538 size_t l;
Ingo Molnar42202dd2009-06-13 14:57:28 +0200539 int status = 0;
Zhang, Yanmin6be28502010-03-18 11:36:03 -0300540 const bool forks = (argc > 0);
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200541
Stephane Eranian13370a92013-01-29 12:47:44 +0100542 if (interval) {
543 ts.tv_sec = interval / 1000;
544 ts.tv_nsec = (interval % 1000) * 1000000;
545 } else {
546 ts.tv_sec = 1;
547 ts.tv_nsec = 0;
548 }
549
Liming Wang60666c62009-12-31 16:05:50 +0800550 if (forks) {
Arnaldo Carvalho de Melo735f7e02014-01-03 14:56:49 -0300551 if (perf_evlist__prepare_workload(evsel_list, &target, argv, false,
552 workload_exec_failed_signal) < 0) {
Namhyung Kimacf28922013-03-11 16:43:18 +0900553 perror("failed to prepare workload");
554 return -1;
Liming Wang60666c62009-12-31 16:05:50 +0800555 }
Namhyung Kimd20a47e2013-09-30 18:01:11 +0900556 child_pid = evsel_list->workload.pid;
Paul Mackerras051ae7f2009-06-29 21:13:21 +1000557 }
558
Jiri Olsa6a4bb042012-08-08 12:22:36 +0200559 if (group)
Arnaldo Carvalho de Melo63dab222012-08-14 16:35:48 -0300560 perf_evlist__set_leader(evsel_list);
Jiri Olsa6a4bb042012-08-08 12:22:36 +0200561
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300562 evlist__for_each(evsel_list, counter) {
Jiri Olsacac21422012-11-12 18:34:00 +0100563 if (create_perf_stat_counter(counter) < 0) {
David Ahern979987a2012-05-08 09:29:16 -0600564 /*
565 * PPC returns ENXIO for HW counters until 2.6.37
566 * (behavior changed with commit b0a873e).
567 */
Anton Blanchard38f6ae12011-12-02 09:38:33 +1100568 if (errno == EINVAL || errno == ENOSYS ||
David Ahern979987a2012-05-08 09:29:16 -0600569 errno == ENOENT || errno == EOPNOTSUPP ||
570 errno == ENXIO) {
David Ahernc63ca0c2011-04-29 16:04:15 -0600571 if (verbose)
572 ui__warning("%s event is not supported by the kernel.\n",
Arnaldo Carvalho de Melo7289f832012-06-12 12:34:58 -0300573 perf_evsel__name(counter));
David Ahern2cee77c2011-05-30 08:55:59 -0600574 counter->supported = false;
Ingo Molnarede70292011-04-28 08:48:42 +0200575 continue;
David Ahernc63ca0c2011-04-29 16:04:15 -0600576 }
Ingo Molnarede70292011-04-28 08:48:42 +0200577
Arnaldo Carvalho de Melo56e52e82012-12-13 15:10:58 -0300578 perf_evsel__open_strerror(counter, &target,
579 errno, msg, sizeof(msg));
580 ui__error("%s\n", msg);
581
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200582 if (child_pid != -1)
583 kill(child_pid, SIGTERM);
David Ahernfceda7f2012-08-26 12:24:44 -0600584
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200585 return -1;
586 }
David Ahern2cee77c2011-05-30 08:55:59 -0600587 counter->supported = true;
Stephane Eranian410136f2013-11-12 17:58:49 +0100588
589 l = strlen(counter->unit);
590 if (l > unit_width)
591 unit_width = l;
Arnaldo Carvalho de Melo084ab9f2010-03-22 13:10:28 -0300592 }
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200593
Arnaldo Carvalho de Melo1491a632012-09-26 14:43:13 -0300594 if (perf_evlist__apply_filters(evsel_list)) {
Frederic Weisbeckercfd748a2011-03-14 16:40:30 +0100595 error("failed to set filter with %d (%s)\n", errno,
596 strerror(errno));
597 return -1;
598 }
599
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200600 /*
601 * Enable counters and exec the command:
602 */
603 t0 = rdclock();
Stephane Eranian13370a92013-01-29 12:47:44 +0100604 clock_gettime(CLOCK_MONOTONIC, &ref_time);
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200605
Liming Wang60666c62009-12-31 16:05:50 +0800606 if (forks) {
Namhyung Kimacf28922013-03-11 16:43:18 +0900607 perf_evlist__start_workload(evsel_list);
Andi Kleen41191682013-08-02 17:41:11 -0700608 handle_initial_delay();
Namhyung Kimacf28922013-03-11 16:43:18 +0900609
Stephane Eranian13370a92013-01-29 12:47:44 +0100610 if (interval) {
611 while (!waitpid(child_pid, &status, WNOHANG)) {
612 nanosleep(&ts, NULL);
613 print_interval();
614 }
615 }
Liming Wang60666c62009-12-31 16:05:50 +0800616 wait(&status);
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300617
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300618 if (workload_exec_errno) {
619 const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg));
620 pr_err("Workload failed: %s\n", emsg);
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300621 return -1;
Arnaldo Carvalho de Melof33cbe72014-01-02 15:11:25 -0300622 }
Arnaldo Carvalho de Melo6af206f2013-12-28 15:45:08 -0300623
Andi Kleen33e49ea2011-09-15 14:31:40 -0700624 if (WIFSIGNALED(status))
625 psignal(WTERMSIG(status), argv[0]);
Liming Wang60666c62009-12-31 16:05:50 +0800626 } else {
Andi Kleen41191682013-08-02 17:41:11 -0700627 handle_initial_delay();
Stephane Eranian13370a92013-01-29 12:47:44 +0100628 while (!done) {
629 nanosleep(&ts, NULL);
630 if (interval)
631 print_interval();
632 }
Liming Wang60666c62009-12-31 16:05:50 +0800633 }
Ingo Molnar44db76c2009-06-03 19:36:07 +0200634
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200635 t1 = rdclock();
636
Peter Zijlstra9e9772c2009-09-04 15:36:08 +0200637 update_stats(&walltime_nsecs_stats, t1 - t0);
Ingo Molnar42202dd2009-06-13 14:57:28 +0200638
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100639 if (aggr_mode == AGGR_GLOBAL) {
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300640 evlist__for_each(evsel_list, counter) {
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200641 read_counter_aggr(counter);
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800642 perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter),
Namhyung Kimb3a319d2013-03-11 16:43:14 +0900643 thread_map__nr(evsel_list->threads));
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200644 }
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100645 } else {
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -0300646 evlist__for_each(evsel_list, counter) {
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100647 read_counter(counter);
648 perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 1);
649 }
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200650 }
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200651
Ingo Molnar42202dd2009-06-13 14:57:28 +0200652 return WEXITSTATUS(status);
653}
654
Arnaldo Carvalho de Melo41cde472014-01-03 17:34:42 -0300655static int run_perf_stat(int argc, const char **argv)
Peter Zijlstra1f16c572012-10-23 13:40:14 +0200656{
657 int ret;
658
659 if (pre_cmd) {
660 ret = system(pre_cmd);
661 if (ret)
662 return ret;
663 }
664
665 if (sync_run)
666 sync();
667
668 ret = __run_perf_stat(argc, argv);
669 if (ret)
670 return ret;
671
672 if (post_cmd) {
673 ret = system(post_cmd);
674 if (ret)
675 return ret;
676 }
677
678 return ret;
679}
680
Ingo Molnarf99844c2011-04-27 05:35:39 +0200681static void print_noise_pct(double total, double avg)
682{
Xiao Guangrong0007ece2012-09-17 16:31:14 +0800683 double pct = rel_stddev_stats(total, avg);
Ingo Molnarf99844c2011-04-27 05:35:39 +0200684
Zhengyu He3ae9a34d2011-06-23 13:45:42 -0700685 if (csv_output)
Stephane Eranian4aa90152011-08-15 22:22:33 +0200686 fprintf(output, "%s%.2f%%", csv_sep, pct);
Jim Cromiea1bca6c2011-09-07 17:14:02 -0600687 else if (pct)
Stephane Eranian4aa90152011-08-15 22:22:33 +0200688 fprintf(output, " ( +-%6.2f%% )", pct);
Ingo Molnarf99844c2011-04-27 05:35:39 +0200689}
690
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200691static void print_noise(struct perf_evsel *evsel, double avg)
Ingo Molnar42202dd2009-06-13 14:57:28 +0200692{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200693 struct perf_stat *ps;
694
Peter Zijlstra849abde2009-09-04 18:23:38 +0200695 if (run_count == 1)
696 return;
697
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200698 ps = evsel->priv;
Ingo Molnarf99844c2011-04-27 05:35:39 +0200699 print_noise_pct(stddev_stats(&ps->res_stats[0]), avg);
Ingo Molnar42202dd2009-06-13 14:57:28 +0200700}
701
Stephane Eranian12c08a92013-02-14 13:57:29 +0100702static void aggr_printout(struct perf_evsel *evsel, int id, int nr)
Ingo Molnar42202dd2009-06-13 14:57:28 +0200703{
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100704 switch (aggr_mode) {
Stephane Eranian12c08a92013-02-14 13:57:29 +0100705 case AGGR_CORE:
706 fprintf(output, "S%d-C%*d%s%*d%s",
707 cpu_map__id_to_socket(id),
708 csv_output ? 0 : -8,
709 cpu_map__id_to_cpu(id),
710 csv_sep,
711 csv_output ? 0 : 4,
712 nr,
713 csv_sep);
714 break;
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100715 case AGGR_SOCKET:
716 fprintf(output, "S%*d%s%*d%s",
Stephane Eraniand7e7a452013-02-06 15:46:02 +0100717 csv_output ? 0 : -5,
Stephane Eranian12c08a92013-02-14 13:57:29 +0100718 id,
Stephane Eraniand7e7a452013-02-06 15:46:02 +0100719 csv_sep,
720 csv_output ? 0 : 4,
721 nr,
722 csv_sep);
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100723 break;
724 case AGGR_NONE:
725 fprintf(output, "CPU%*d%s",
Stephane Eraniand7470b62010-12-01 18:49:05 +0200726 csv_output ? 0 : -4,
Stephane Eranian12c08a92013-02-14 13:57:29 +0100727 perf_evsel__cpus(evsel)->map[id], csv_sep);
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100728 break;
729 case AGGR_GLOBAL:
730 default:
731 break;
732 }
733}
Stephane Eraniand7470b62010-12-01 18:49:05 +0200734
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100735static void nsec_printout(int cpu, int nr, struct perf_evsel *evsel, double avg)
736{
737 double msecs = avg / 1e6;
Stephane Eranian410136f2013-11-12 17:58:49 +0100738 const char *fmt_v, *fmt_n;
David Ahern4bbe5a62013-09-28 14:28:00 -0600739 char name[25];
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100740
Stephane Eranian410136f2013-11-12 17:58:49 +0100741 fmt_v = csv_output ? "%.6f%s" : "%18.6f%s";
742 fmt_n = csv_output ? "%s" : "%-25s";
743
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100744 aggr_printout(evsel, cpu, nr);
745
David Ahern4bbe5a62013-09-28 14:28:00 -0600746 scnprintf(name, sizeof(name), "%s%s",
747 perf_evsel__name(evsel), csv_output ? "" : " (msec)");
Stephane Eranian410136f2013-11-12 17:58:49 +0100748
749 fprintf(output, fmt_v, msecs, csv_sep);
750
751 if (csv_output)
752 fprintf(output, "%s%s", evsel->unit, csv_sep);
753 else
754 fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep);
755
756 fprintf(output, fmt_n, name);
Stephane Eraniand7470b62010-12-01 18:49:05 +0200757
Stephane Eranian023695d2011-02-14 11:20:01 +0200758 if (evsel->cgrp)
Stephane Eranian4aa90152011-08-15 22:22:33 +0200759 fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
Stephane Eranian023695d2011-02-14 11:20:01 +0200760
Stephane Eranian13370a92013-01-29 12:47:44 +0100761 if (csv_output || interval)
Stephane Eraniand7470b62010-12-01 18:49:05 +0200762 return;
Ingo Molnar42202dd2009-06-13 14:57:28 +0200763
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200764 if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK))
Stephane Eranian4aa90152011-08-15 22:22:33 +0200765 fprintf(output, " # %8.3f CPUs utilized ",
766 avg / avg_stats(&walltime_nsecs_stats));
Namhyung Kim9dac6a22012-02-06 16:44:45 +0900767 else
768 fprintf(output, " ");
Ingo Molnar42202dd2009-06-13 14:57:28 +0200769}
770
Namhyung Kim15e63922011-12-28 00:35:49 +0900771/* used for get_ratio_color() */
772enum grc_type {
773 GRC_STALLED_CYCLES_FE,
774 GRC_STALLED_CYCLES_BE,
775 GRC_CACHE_MISSES,
776 GRC_MAX_NR
777};
778
779static const char *get_ratio_color(enum grc_type type, double ratio)
780{
781 static const double grc_table[GRC_MAX_NR][3] = {
782 [GRC_STALLED_CYCLES_FE] = { 50.0, 30.0, 10.0 },
783 [GRC_STALLED_CYCLES_BE] = { 75.0, 50.0, 20.0 },
784 [GRC_CACHE_MISSES] = { 20.0, 10.0, 5.0 },
785 };
786 const char *color = PERF_COLOR_NORMAL;
787
788 if (ratio > grc_table[type][0])
789 color = PERF_COLOR_RED;
790 else if (ratio > grc_table[type][1])
791 color = PERF_COLOR_MAGENTA;
792 else if (ratio > grc_table[type][2])
793 color = PERF_COLOR_YELLOW;
794
795 return color;
796}
797
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300798static void print_stalled_cycles_frontend(int cpu,
799 struct perf_evsel *evsel
800 __maybe_unused, double avg)
Ingo Molnard3d1e862011-04-29 13:49:08 +0200801{
802 double total, ratio = 0.0;
803 const char *color;
804
805 total = avg_stats(&runtime_cycles_stats[cpu]);
806
807 if (total)
808 ratio = avg / total * 100.0;
809
Namhyung Kim15e63922011-12-28 00:35:49 +0900810 color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio);
Ingo Molnard3d1e862011-04-29 13:49:08 +0200811
Stephane Eranian4aa90152011-08-15 22:22:33 +0200812 fprintf(output, " # ");
813 color_fprintf(output, color, "%6.2f%%", ratio);
814 fprintf(output, " frontend cycles idle ");
Ingo Molnard3d1e862011-04-29 13:49:08 +0200815}
816
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300817static void print_stalled_cycles_backend(int cpu,
818 struct perf_evsel *evsel
819 __maybe_unused, double avg)
Ingo Molnara5d243d2011-04-27 05:39:24 +0200820{
821 double total, ratio = 0.0;
822 const char *color;
823
824 total = avg_stats(&runtime_cycles_stats[cpu]);
825
826 if (total)
827 ratio = avg / total * 100.0;
828
Namhyung Kim15e63922011-12-28 00:35:49 +0900829 color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio);
Ingo Molnara5d243d2011-04-27 05:39:24 +0200830
Stephane Eranian4aa90152011-08-15 22:22:33 +0200831 fprintf(output, " # ");
832 color_fprintf(output, color, "%6.2f%%", ratio);
833 fprintf(output, " backend cycles idle ");
Ingo Molnara5d243d2011-04-27 05:39:24 +0200834}
835
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300836static void print_branch_misses(int cpu,
837 struct perf_evsel *evsel __maybe_unused,
838 double avg)
Ingo Molnarc78df6c2011-04-27 12:16:10 +0200839{
840 double total, ratio = 0.0;
841 const char *color;
842
843 total = avg_stats(&runtime_branches_stats[cpu]);
844
845 if (total)
846 ratio = avg / total * 100.0;
847
Namhyung Kim15e63922011-12-28 00:35:49 +0900848 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc78df6c2011-04-27 12:16:10 +0200849
Stephane Eranian4aa90152011-08-15 22:22:33 +0200850 fprintf(output, " # ");
851 color_fprintf(output, color, "%6.2f%%", ratio);
852 fprintf(output, " of all branches ");
Ingo Molnarc78df6c2011-04-27 12:16:10 +0200853}
854
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300855static void print_l1_dcache_misses(int cpu,
856 struct perf_evsel *evsel __maybe_unused,
857 double avg)
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200858{
859 double total, ratio = 0.0;
860 const char *color;
861
862 total = avg_stats(&runtime_l1_dcache_stats[cpu]);
863
864 if (total)
865 ratio = avg / total * 100.0;
866
Namhyung Kim15e63922011-12-28 00:35:49 +0900867 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200868
Stephane Eranian4aa90152011-08-15 22:22:33 +0200869 fprintf(output, " # ");
870 color_fprintf(output, color, "%6.2f%%", ratio);
871 fprintf(output, " of all L1-dcache hits ");
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200872}
873
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300874static void print_l1_icache_misses(int cpu,
875 struct perf_evsel *evsel __maybe_unused,
876 double avg)
Ingo Molnarc3305252011-05-19 14:01:42 +0200877{
878 double total, ratio = 0.0;
879 const char *color;
880
881 total = avg_stats(&runtime_l1_icache_stats[cpu]);
882
883 if (total)
884 ratio = avg / total * 100.0;
885
Namhyung Kim15e63922011-12-28 00:35:49 +0900886 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc3305252011-05-19 14:01:42 +0200887
Stephane Eranian4aa90152011-08-15 22:22:33 +0200888 fprintf(output, " # ");
889 color_fprintf(output, color, "%6.2f%%", ratio);
890 fprintf(output, " of all L1-icache hits ");
Ingo Molnarc3305252011-05-19 14:01:42 +0200891}
892
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300893static void print_dtlb_cache_misses(int cpu,
894 struct perf_evsel *evsel __maybe_unused,
895 double avg)
Ingo Molnarc3305252011-05-19 14:01:42 +0200896{
897 double total, ratio = 0.0;
898 const char *color;
899
900 total = avg_stats(&runtime_dtlb_cache_stats[cpu]);
901
902 if (total)
903 ratio = avg / total * 100.0;
904
Namhyung Kim15e63922011-12-28 00:35:49 +0900905 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc3305252011-05-19 14:01:42 +0200906
Stephane Eranian4aa90152011-08-15 22:22:33 +0200907 fprintf(output, " # ");
908 color_fprintf(output, color, "%6.2f%%", ratio);
909 fprintf(output, " of all dTLB cache hits ");
Ingo Molnarc3305252011-05-19 14:01:42 +0200910}
911
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300912static void print_itlb_cache_misses(int cpu,
913 struct perf_evsel *evsel __maybe_unused,
914 double avg)
Ingo Molnarc3305252011-05-19 14:01:42 +0200915{
916 double total, ratio = 0.0;
917 const char *color;
918
919 total = avg_stats(&runtime_itlb_cache_stats[cpu]);
920
921 if (total)
922 ratio = avg / total * 100.0;
923
Namhyung Kim15e63922011-12-28 00:35:49 +0900924 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc3305252011-05-19 14:01:42 +0200925
Stephane Eranian4aa90152011-08-15 22:22:33 +0200926 fprintf(output, " # ");
927 color_fprintf(output, color, "%6.2f%%", ratio);
928 fprintf(output, " of all iTLB cache hits ");
Ingo Molnarc3305252011-05-19 14:01:42 +0200929}
930
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300931static void print_ll_cache_misses(int cpu,
932 struct perf_evsel *evsel __maybe_unused,
933 double avg)
Ingo Molnarc3305252011-05-19 14:01:42 +0200934{
935 double total, ratio = 0.0;
936 const char *color;
937
938 total = avg_stats(&runtime_ll_cache_stats[cpu]);
939
940 if (total)
941 ratio = avg / total * 100.0;
942
Namhyung Kim15e63922011-12-28 00:35:49 +0900943 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc3305252011-05-19 14:01:42 +0200944
Stephane Eranian4aa90152011-08-15 22:22:33 +0200945 fprintf(output, " # ");
946 color_fprintf(output, color, "%6.2f%%", ratio);
947 fprintf(output, " of all LL-cache hits ");
Ingo Molnarc3305252011-05-19 14:01:42 +0200948}
949
Stephane Eraniand7e7a452013-02-06 15:46:02 +0100950static void abs_printout(int cpu, int nr, struct perf_evsel *evsel, double avg)
Ingo Molnar42202dd2009-06-13 14:57:28 +0200951{
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700952 double total, ratio = 0.0, total2;
Stephane Eranian410136f2013-11-12 17:58:49 +0100953 double sc = evsel->scale;
Stephane Eraniand7470b62010-12-01 18:49:05 +0200954 const char *fmt;
955
Stephane Eranian410136f2013-11-12 17:58:49 +0100956 if (csv_output) {
957 fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s";
958 } else {
959 if (big_num)
960 fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s";
961 else
962 fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s";
963 }
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200964
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100965 aggr_printout(evsel, cpu, nr);
966
967 if (aggr_mode == AGGR_GLOBAL)
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200968 cpu = 0;
Ingo Molnarc7f7fea2009-09-22 14:53:51 +0200969
Stephane Eranian410136f2013-11-12 17:58:49 +0100970 fprintf(output, fmt, avg, csv_sep);
971
972 if (evsel->unit)
973 fprintf(output, "%-*s%s",
974 csv_output ? 0 : unit_width,
975 evsel->unit, csv_sep);
976
977 fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel));
Stephane Eraniand7470b62010-12-01 18:49:05 +0200978
Stephane Eranian023695d2011-02-14 11:20:01 +0200979 if (evsel->cgrp)
Stephane Eranian4aa90152011-08-15 22:22:33 +0200980 fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
Stephane Eranian023695d2011-02-14 11:20:01 +0200981
Stephane Eranian13370a92013-01-29 12:47:44 +0100982 if (csv_output || interval)
Stephane Eraniand7470b62010-12-01 18:49:05 +0200983 return;
Ingo Molnar42202dd2009-06-13 14:57:28 +0200984
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200985 if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) {
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200986 total = avg_stats(&runtime_cycles_stats[cpu]);
Ramkumar Ramachandra3e7a0812013-10-01 14:06:44 +0530987 if (total) {
Ingo Molnarc7f7fea2009-09-22 14:53:51 +0200988 ratio = avg / total;
Ramkumar Ramachandra3e7a0812013-10-01 14:06:44 +0530989 fprintf(output, " # %5.2f insns per cycle ", ratio);
990 }
Ingo Molnard3d1e862011-04-29 13:49:08 +0200991 total = avg_stats(&runtime_stalled_cycles_front_stats[cpu]);
992 total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[cpu]));
Ingo Molnar481f9882011-04-27 04:34:16 +0200993
994 if (total && avg) {
995 ratio = total / avg;
Stephane Eranian410136f2013-11-12 17:58:49 +0100996 fprintf(output, "\n");
997 if (aggr_mode == AGGR_NONE)
998 fprintf(output, " ");
999 fprintf(output, " # %5.2f stalled cycles per insn", ratio);
Ingo Molnar481f9882011-04-27 04:34:16 +02001000 }
1001
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -02001002 } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) &&
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001003 runtime_branches_stats[cpu].n != 0) {
Ingo Molnarc78df6c2011-04-27 12:16:10 +02001004 print_branch_misses(cpu, evsel, avg);
Ingo Molnar8bb6c792011-04-27 13:25:24 +02001005 } else if (
1006 evsel->attr.type == PERF_TYPE_HW_CACHE &&
1007 evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D |
1008 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
1009 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
Ingo Molnarc6264de2011-04-27 13:50:47 +02001010 runtime_l1_dcache_stats[cpu].n != 0) {
Ingo Molnar8bb6c792011-04-27 13:25:24 +02001011 print_l1_dcache_misses(cpu, evsel, avg);
Ingo Molnarc3305252011-05-19 14:01:42 +02001012 } else if (
1013 evsel->attr.type == PERF_TYPE_HW_CACHE &&
1014 evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I |
1015 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
1016 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
1017 runtime_l1_icache_stats[cpu].n != 0) {
1018 print_l1_icache_misses(cpu, evsel, avg);
1019 } else if (
1020 evsel->attr.type == PERF_TYPE_HW_CACHE &&
1021 evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB |
1022 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
1023 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
1024 runtime_dtlb_cache_stats[cpu].n != 0) {
1025 print_dtlb_cache_misses(cpu, evsel, avg);
1026 } else if (
1027 evsel->attr.type == PERF_TYPE_HW_CACHE &&
1028 evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB |
1029 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
1030 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
1031 runtime_itlb_cache_stats[cpu].n != 0) {
1032 print_itlb_cache_misses(cpu, evsel, avg);
1033 } else if (
1034 evsel->attr.type == PERF_TYPE_HW_CACHE &&
1035 evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL |
1036 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
1037 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
1038 runtime_ll_cache_stats[cpu].n != 0) {
1039 print_ll_cache_misses(cpu, evsel, avg);
Ingo Molnard58f4c82011-04-27 03:42:18 +02001040 } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) &&
1041 runtime_cacherefs_stats[cpu].n != 0) {
1042 total = avg_stats(&runtime_cacherefs_stats[cpu]);
1043
1044 if (total)
1045 ratio = avg * 100 / total;
1046
Stephane Eranian4aa90152011-08-15 22:22:33 +02001047 fprintf(output, " # %8.3f %% of all cache refs ", ratio);
Ingo Molnard58f4c82011-04-27 03:42:18 +02001048
Ingo Molnard3d1e862011-04-29 13:49:08 +02001049 } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) {
1050 print_stalled_cycles_frontend(cpu, evsel, avg);
Ingo Molnar129c04c2011-04-29 14:41:28 +02001051 } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) {
Ingo Molnard3d1e862011-04-29 13:49:08 +02001052 print_stalled_cycles_backend(cpu, evsel, avg);
Ingo Molnar481f9882011-04-27 04:34:16 +02001053 } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) {
1054 total = avg_stats(&runtime_nsecs_stats[cpu]);
1055
Ramkumar Ramachandrac458fe62013-09-30 16:43:05 +05301056 if (total) {
1057 ratio = avg / total;
1058 fprintf(output, " # %8.3f GHz ", ratio);
1059 }
Andi Kleen4cabc3d2013-08-21 16:47:26 -07001060 } else if (transaction_run &&
1061 perf_evsel__cmp(evsel, nth_evsel(T_CYCLES_IN_TX))) {
1062 total = avg_stats(&runtime_cycles_stats[cpu]);
1063 if (total)
1064 fprintf(output,
1065 " # %5.2f%% transactional cycles ",
1066 100.0 * (avg / total));
1067 } else if (transaction_run &&
1068 perf_evsel__cmp(evsel, nth_evsel(T_CYCLES_IN_TX_CP))) {
1069 total = avg_stats(&runtime_cycles_stats[cpu]);
1070 total2 = avg_stats(&runtime_cycles_in_tx_stats[cpu]);
1071 if (total2 < avg)
1072 total2 = avg;
1073 if (total)
1074 fprintf(output,
1075 " # %5.2f%% aborted cycles ",
1076 100.0 * ((total2-avg) / total));
1077 } else if (transaction_run &&
1078 perf_evsel__cmp(evsel, nth_evsel(T_TRANSACTION_START)) &&
1079 avg > 0 &&
1080 runtime_cycles_in_tx_stats[cpu].n != 0) {
1081 total = avg_stats(&runtime_cycles_in_tx_stats[cpu]);
1082
1083 if (total)
1084 ratio = total / avg;
1085
1086 fprintf(output, " # %8.0f cycles / transaction ", ratio);
1087 } else if (transaction_run &&
1088 perf_evsel__cmp(evsel, nth_evsel(T_ELISION_START)) &&
1089 avg > 0 &&
1090 runtime_cycles_in_tx_stats[cpu].n != 0) {
1091 total = avg_stats(&runtime_cycles_in_tx_stats[cpu]);
1092
1093 if (total)
1094 ratio = total / avg;
1095
1096 fprintf(output, " # %8.0f cycles / elision ", ratio);
Ingo Molnar481f9882011-04-27 04:34:16 +02001097 } else if (runtime_nsecs_stats[cpu].n != 0) {
Namhyung Kim5fde2522012-02-06 16:44:44 +09001098 char unit = 'M';
1099
Ingo Molnar481f9882011-04-27 04:34:16 +02001100 total = avg_stats(&runtime_nsecs_stats[cpu]);
1101
1102 if (total)
1103 ratio = 1000.0 * avg / total;
Namhyung Kim5fde2522012-02-06 16:44:44 +09001104 if (ratio < 0.001) {
1105 ratio *= 1000;
1106 unit = 'K';
1107 }
Ingo Molnar481f9882011-04-27 04:34:16 +02001108
Namhyung Kim5fde2522012-02-06 16:44:44 +09001109 fprintf(output, " # %8.3f %c/sec ", ratio, unit);
Ingo Molnara5d243d2011-04-27 05:39:24 +02001110 } else {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001111 fprintf(output, " ");
Ingo Molnar42202dd2009-06-13 14:57:28 +02001112 }
Ingo Molnar42202dd2009-06-13 14:57:28 +02001113}
1114
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001115static void print_aggr(char *prefix)
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001116{
1117 struct perf_evsel *counter;
Stephane Eranian582ec0822013-07-05 19:06:45 +02001118 int cpu, cpu2, s, s2, id, nr;
Stephane Eranian410136f2013-11-12 17:58:49 +01001119 double uval;
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001120 u64 ena, run, val;
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001121
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001122 if (!(aggr_map || aggr_get_id))
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001123 return;
1124
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001125 for (s = 0; s < aggr_map->nr; s++) {
1126 id = aggr_map->map[s];
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -03001127 evlist__for_each(evsel_list, counter) {
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001128 val = ena = run = 0;
1129 nr = 0;
1130 for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
Stephane Eranian582ec0822013-07-05 19:06:45 +02001131 cpu2 = perf_evsel__cpus(counter)->map[cpu];
1132 s2 = aggr_get_id(evsel_list->cpus, cpu2);
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001133 if (s2 != id)
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001134 continue;
1135 val += counter->counts->cpu[cpu].val;
1136 ena += counter->counts->cpu[cpu].ena;
1137 run += counter->counts->cpu[cpu].run;
1138 nr++;
1139 }
1140 if (prefix)
1141 fprintf(output, "%s", prefix);
1142
1143 if (run == 0 || ena == 0) {
Stephane Eranian582ec0822013-07-05 19:06:45 +02001144 aggr_printout(counter, id, nr);
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001145
Stephane Eranian410136f2013-11-12 17:58:49 +01001146 fprintf(output, "%*s%s",
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001147 csv_output ? 0 : 18,
1148 counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
Stephane Eranian410136f2013-11-12 17:58:49 +01001149 csv_sep);
1150
1151 fprintf(output, "%-*s%s",
1152 csv_output ? 0 : unit_width,
1153 counter->unit, csv_sep);
1154
1155 fprintf(output, "%*s",
1156 csv_output ? 0 : -25,
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001157 perf_evsel__name(counter));
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001158
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001159 if (counter->cgrp)
1160 fprintf(output, "%s%s",
1161 csv_sep, counter->cgrp->name);
1162
1163 fputc('\n', output);
1164 continue;
1165 }
Stephane Eranian410136f2013-11-12 17:58:49 +01001166 uval = val * counter->scale;
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001167
1168 if (nsec_counter(counter))
Stephane Eranian410136f2013-11-12 17:58:49 +01001169 nsec_printout(id, nr, counter, uval);
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001170 else
Stephane Eranian410136f2013-11-12 17:58:49 +01001171 abs_printout(id, nr, counter, uval);
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001172
1173 if (!csv_output) {
1174 print_noise(counter, 1.0);
1175
1176 if (run != ena)
1177 fprintf(output, " (%.2f%%)",
1178 100.0 * run / ena);
1179 }
1180 fputc('\n', output);
1181 }
1182 }
1183}
1184
Ingo Molnar42202dd2009-06-13 14:57:28 +02001185/*
1186 * Print out the results of a single counter:
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001187 * aggregated counts in system-wide mode
Ingo Molnar42202dd2009-06-13 14:57:28 +02001188 */
Stephane Eranian13370a92013-01-29 12:47:44 +01001189static void print_counter_aggr(struct perf_evsel *counter, char *prefix)
Ingo Molnar42202dd2009-06-13 14:57:28 +02001190{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -02001191 struct perf_stat *ps = counter->priv;
1192 double avg = avg_stats(&ps->res_stats[0]);
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -02001193 int scaled = counter->counts->scaled;
Stephane Eranian410136f2013-11-12 17:58:49 +01001194 double uval;
Ingo Molnar42202dd2009-06-13 14:57:28 +02001195
Stephane Eranian13370a92013-01-29 12:47:44 +01001196 if (prefix)
1197 fprintf(output, "%s", prefix);
1198
Ingo Molnar42202dd2009-06-13 14:57:28 +02001199 if (scaled == -1) {
Stephane Eranian410136f2013-11-12 17:58:49 +01001200 fprintf(output, "%*s%s",
Stephane Eraniand7470b62010-12-01 18:49:05 +02001201 csv_output ? 0 : 18,
David Ahern2cee77c2011-05-30 08:55:59 -06001202 counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
Stephane Eranian410136f2013-11-12 17:58:49 +01001203 csv_sep);
1204 fprintf(output, "%-*s%s",
1205 csv_output ? 0 : unit_width,
1206 counter->unit, csv_sep);
1207 fprintf(output, "%*s",
1208 csv_output ? 0 : -25,
Arnaldo Carvalho de Melo7289f832012-06-12 12:34:58 -03001209 perf_evsel__name(counter));
Stephane Eranian023695d2011-02-14 11:20:01 +02001210
1211 if (counter->cgrp)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001212 fprintf(output, "%s%s", csv_sep, counter->cgrp->name);
Stephane Eranian023695d2011-02-14 11:20:01 +02001213
Stephane Eranian4aa90152011-08-15 22:22:33 +02001214 fputc('\n', output);
Ingo Molnar42202dd2009-06-13 14:57:28 +02001215 return;
1216 }
1217
Stephane Eranian410136f2013-11-12 17:58:49 +01001218 uval = avg * counter->scale;
1219
Ingo Molnar42202dd2009-06-13 14:57:28 +02001220 if (nsec_counter(counter))
Stephane Eranian410136f2013-11-12 17:58:49 +01001221 nsec_printout(-1, 0, counter, uval);
Ingo Molnar42202dd2009-06-13 14:57:28 +02001222 else
Stephane Eranian410136f2013-11-12 17:58:49 +01001223 abs_printout(-1, 0, counter, uval);
Peter Zijlstra849abde2009-09-04 18:23:38 +02001224
Zhengyu He3ae9a34d2011-06-23 13:45:42 -07001225 print_noise(counter, avg);
1226
Stephane Eraniand7470b62010-12-01 18:49:05 +02001227 if (csv_output) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001228 fputc('\n', output);
Stephane Eraniand7470b62010-12-01 18:49:05 +02001229 return;
1230 }
1231
Peter Zijlstra506d4bc2009-09-04 15:36:12 +02001232 if (scaled) {
1233 double avg_enabled, avg_running;
1234
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -02001235 avg_enabled = avg_stats(&ps->res_stats[1]);
1236 avg_running = avg_stats(&ps->res_stats[2]);
Peter Zijlstra506d4bc2009-09-04 15:36:12 +02001237
Stephane Eranian4aa90152011-08-15 22:22:33 +02001238 fprintf(output, " [%5.2f%%]", 100 * avg_running / avg_enabled);
Peter Zijlstra506d4bc2009-09-04 15:36:12 +02001239 }
Stephane Eranian4aa90152011-08-15 22:22:33 +02001240 fprintf(output, "\n");
Ingo Molnar42202dd2009-06-13 14:57:28 +02001241}
1242
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001243/*
1244 * Print out the results of a single counter:
1245 * does not use aggregated count in system-wide
1246 */
Stephane Eranian13370a92013-01-29 12:47:44 +01001247static void print_counter(struct perf_evsel *counter, char *prefix)
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001248{
1249 u64 ena, run, val;
Stephane Eranian410136f2013-11-12 17:58:49 +01001250 double uval;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001251 int cpu;
1252
Yan, Zheng7ae92e72012-09-10 15:53:50 +08001253 for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -02001254 val = counter->counts->cpu[cpu].val;
1255 ena = counter->counts->cpu[cpu].ena;
1256 run = counter->counts->cpu[cpu].run;
Stephane Eranian13370a92013-01-29 12:47:44 +01001257
1258 if (prefix)
1259 fprintf(output, "%s", prefix);
1260
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001261 if (run == 0 || ena == 0) {
Stephane Eranian410136f2013-11-12 17:58:49 +01001262 fprintf(output, "CPU%*d%s%*s%s",
Stephane Eraniand7470b62010-12-01 18:49:05 +02001263 csv_output ? 0 : -4,
Yan, Zheng7ae92e72012-09-10 15:53:50 +08001264 perf_evsel__cpus(counter)->map[cpu], csv_sep,
Stephane Eraniand7470b62010-12-01 18:49:05 +02001265 csv_output ? 0 : 18,
David Ahern2cee77c2011-05-30 08:55:59 -06001266 counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
Stephane Eranian410136f2013-11-12 17:58:49 +01001267 csv_sep);
1268
1269 fprintf(output, "%-*s%s",
1270 csv_output ? 0 : unit_width,
1271 counter->unit, csv_sep);
1272
1273 fprintf(output, "%*s",
1274 csv_output ? 0 : -25,
1275 perf_evsel__name(counter));
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001276
Stephane Eranian023695d2011-02-14 11:20:01 +02001277 if (counter->cgrp)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001278 fprintf(output, "%s%s",
1279 csv_sep, counter->cgrp->name);
Stephane Eranian023695d2011-02-14 11:20:01 +02001280
Stephane Eranian4aa90152011-08-15 22:22:33 +02001281 fputc('\n', output);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001282 continue;
1283 }
1284
Stephane Eranian410136f2013-11-12 17:58:49 +01001285 uval = val * counter->scale;
1286
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001287 if (nsec_counter(counter))
Stephane Eranian410136f2013-11-12 17:58:49 +01001288 nsec_printout(cpu, 0, counter, uval);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001289 else
Stephane Eranian410136f2013-11-12 17:58:49 +01001290 abs_printout(cpu, 0, counter, uval);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001291
Stephane Eraniand7470b62010-12-01 18:49:05 +02001292 if (!csv_output) {
1293 print_noise(counter, 1.0);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001294
Ingo Molnarc6264de2011-04-27 13:50:47 +02001295 if (run != ena)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001296 fprintf(output, " (%.2f%%)",
1297 100.0 * run / ena);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001298 }
Stephane Eranian4aa90152011-08-15 22:22:33 +02001299 fputc('\n', output);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001300 }
1301}
1302
Ingo Molnar42202dd2009-06-13 14:57:28 +02001303static void print_stat(int argc, const char **argv)
1304{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -02001305 struct perf_evsel *counter;
1306 int i;
Ingo Molnar42202dd2009-06-13 14:57:28 +02001307
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001308 fflush(stdout);
1309
Stephane Eraniand7470b62010-12-01 18:49:05 +02001310 if (!csv_output) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001311 fprintf(output, "\n");
1312 fprintf(output, " Performance counter stats for ");
David Ahern62d3b612013-09-28 14:27:58 -06001313 if (target.system_wide)
1314 fprintf(output, "\'system wide");
1315 else if (target.cpu_list)
1316 fprintf(output, "\'CPU(s) %s", target.cpu_list);
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001317 else if (!target__has_task(&target)) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001318 fprintf(output, "\'%s", argv[0]);
Stephane Eraniand7470b62010-12-01 18:49:05 +02001319 for (i = 1; i < argc; i++)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001320 fprintf(output, " %s", argv[i]);
Namhyung Kim20f946b2012-04-26 14:15:16 +09001321 } else if (target.pid)
1322 fprintf(output, "process id \'%s", target.pid);
Stephane Eraniand7470b62010-12-01 18:49:05 +02001323 else
Namhyung Kim20f946b2012-04-26 14:15:16 +09001324 fprintf(output, "thread id \'%s", target.tid);
Ingo Molnar44db76c2009-06-03 19:36:07 +02001325
Stephane Eranian4aa90152011-08-15 22:22:33 +02001326 fprintf(output, "\'");
Stephane Eraniand7470b62010-12-01 18:49:05 +02001327 if (run_count > 1)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001328 fprintf(output, " (%d runs)", run_count);
1329 fprintf(output, ":\n\n");
Stephane Eraniand7470b62010-12-01 18:49:05 +02001330 }
Ingo Molnar2996f5d2009-05-29 09:10:54 +02001331
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001332 switch (aggr_mode) {
Stephane Eranian12c08a92013-02-14 13:57:29 +01001333 case AGGR_CORE:
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001334 case AGGR_SOCKET:
1335 print_aggr(NULL);
1336 break;
1337 case AGGR_GLOBAL:
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -03001338 evlist__for_each(evsel_list, counter)
Stephane Eranian13370a92013-01-29 12:47:44 +01001339 print_counter_aggr(counter, NULL);
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001340 break;
1341 case AGGR_NONE:
Arnaldo Carvalho de Melo0050f7a2014-01-10 10:37:27 -03001342 evlist__for_each(evsel_list, counter)
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001343 print_counter(counter, NULL);
1344 break;
1345 default:
1346 break;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001347 }
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001348
Stephane Eraniand7470b62010-12-01 18:49:05 +02001349 if (!csv_output) {
Ingo Molnarc3305252011-05-19 14:01:42 +02001350 if (!null_run)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001351 fprintf(output, "\n");
1352 fprintf(output, " %17.9f seconds time elapsed",
Stephane Eraniand7470b62010-12-01 18:49:05 +02001353 avg_stats(&walltime_nsecs_stats)/1e9);
1354 if (run_count > 1) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001355 fprintf(output, " ");
Ingo Molnarf99844c2011-04-27 05:35:39 +02001356 print_noise_pct(stddev_stats(&walltime_nsecs_stats),
1357 avg_stats(&walltime_nsecs_stats));
Stephane Eraniand7470b62010-12-01 18:49:05 +02001358 }
Stephane Eranian4aa90152011-08-15 22:22:33 +02001359 fprintf(output, "\n\n");
Ingo Molnar566747e2009-06-27 06:24:32 +02001360 }
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001361}
1362
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001363static volatile int signr = -1;
1364
Ingo Molnar52425192009-05-26 09:17:18 +02001365static void skip_signal(int signo)
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001366{
Stephane Eranian13370a92013-01-29 12:47:44 +01001367 if ((child_pid == -1) || interval)
Liming Wang60666c62009-12-31 16:05:50 +08001368 done = 1;
1369
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001370 signr = signo;
Stephane Eraniand07f0b12013-06-04 17:44:26 +02001371 /*
1372 * render child_pid harmless
1373 * won't send SIGTERM to a random
1374 * process in case of race condition
1375 * and fast PID recycling
1376 */
1377 child_pid = -1;
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001378}
1379
1380static void sig_atexit(void)
1381{
Stephane Eraniand07f0b12013-06-04 17:44:26 +02001382 sigset_t set, oset;
1383
1384 /*
1385 * avoid race condition with SIGCHLD handler
1386 * in skip_signal() which is modifying child_pid
1387 * goal is to avoid send SIGTERM to a random
1388 * process
1389 */
1390 sigemptyset(&set);
1391 sigaddset(&set, SIGCHLD);
1392 sigprocmask(SIG_BLOCK, &set, &oset);
1393
Chris Wilson933da832009-10-04 01:35:01 +01001394 if (child_pid != -1)
1395 kill(child_pid, SIGTERM);
1396
Stephane Eraniand07f0b12013-06-04 17:44:26 +02001397 sigprocmask(SIG_SETMASK, &oset, NULL);
1398
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001399 if (signr == -1)
1400 return;
1401
1402 signal(signr, SIG_DFL);
1403 kill(getpid(), signr);
Ingo Molnar52425192009-05-26 09:17:18 +02001404}
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001405
Irina Tirdea1d037ca2012-09-11 01:15:03 +03001406static int stat__set_big_num(const struct option *opt __maybe_unused,
1407 const char *s __maybe_unused, int unset)
Stephane Eraniand7470b62010-12-01 18:49:05 +02001408{
1409 big_num_opt = unset ? 0 : 1;
1410 return 0;
1411}
1412
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001413static int perf_stat_init_aggr_mode(void)
1414{
1415 switch (aggr_mode) {
1416 case AGGR_SOCKET:
1417 if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) {
1418 perror("cannot build socket map");
1419 return -1;
1420 }
1421 aggr_get_id = cpu_map__get_socket;
1422 break;
Stephane Eranian12c08a92013-02-14 13:57:29 +01001423 case AGGR_CORE:
1424 if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) {
1425 perror("cannot build core map");
1426 return -1;
1427 }
1428 aggr_get_id = cpu_map__get_core;
1429 break;
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001430 case AGGR_NONE:
1431 case AGGR_GLOBAL:
1432 default:
1433 break;
1434 }
1435 return 0;
1436}
1437
Andi Kleen4cabc3d2013-08-21 16:47:26 -07001438static int setup_events(const char * const *attrs, unsigned len)
1439{
1440 unsigned i;
1441
1442 for (i = 0; i < len; i++) {
1443 if (parse_events(evsel_list, attrs[i]))
1444 return -1;
1445 }
1446 return 0;
1447}
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001448
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001449/*
1450 * Add default attributes, if there were no attributes specified or
1451 * if -d/--detailed, -d -d or -d -d -d is used:
1452 */
1453static int add_default_attributes(void)
1454{
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001455 struct perf_event_attr default_attrs[] = {
1456
1457 { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK },
1458 { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES },
1459 { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS },
1460 { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS },
1461
1462 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES },
1463 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND },
1464 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND },
1465 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS },
1466 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
1467 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES },
1468
1469};
1470
1471/*
1472 * Detailed stats (-d), covering the L1 and last level data caches:
1473 */
1474 struct perf_event_attr detailed_attrs[] = {
1475
1476 { .type = PERF_TYPE_HW_CACHE,
1477 .config =
1478 PERF_COUNT_HW_CACHE_L1D << 0 |
1479 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1480 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1481
1482 { .type = PERF_TYPE_HW_CACHE,
1483 .config =
1484 PERF_COUNT_HW_CACHE_L1D << 0 |
1485 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1486 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1487
1488 { .type = PERF_TYPE_HW_CACHE,
1489 .config =
1490 PERF_COUNT_HW_CACHE_LL << 0 |
1491 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1492 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1493
1494 { .type = PERF_TYPE_HW_CACHE,
1495 .config =
1496 PERF_COUNT_HW_CACHE_LL << 0 |
1497 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1498 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1499};
1500
1501/*
1502 * Very detailed stats (-d -d), covering the instruction cache and the TLB caches:
1503 */
1504 struct perf_event_attr very_detailed_attrs[] = {
1505
1506 { .type = PERF_TYPE_HW_CACHE,
1507 .config =
1508 PERF_COUNT_HW_CACHE_L1I << 0 |
1509 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1510 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1511
1512 { .type = PERF_TYPE_HW_CACHE,
1513 .config =
1514 PERF_COUNT_HW_CACHE_L1I << 0 |
1515 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1516 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1517
1518 { .type = PERF_TYPE_HW_CACHE,
1519 .config =
1520 PERF_COUNT_HW_CACHE_DTLB << 0 |
1521 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1522 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1523
1524 { .type = PERF_TYPE_HW_CACHE,
1525 .config =
1526 PERF_COUNT_HW_CACHE_DTLB << 0 |
1527 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1528 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1529
1530 { .type = PERF_TYPE_HW_CACHE,
1531 .config =
1532 PERF_COUNT_HW_CACHE_ITLB << 0 |
1533 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1534 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1535
1536 { .type = PERF_TYPE_HW_CACHE,
1537 .config =
1538 PERF_COUNT_HW_CACHE_ITLB << 0 |
1539 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1540 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1541
1542};
1543
1544/*
1545 * Very, very detailed stats (-d -d -d), adding prefetch events:
1546 */
1547 struct perf_event_attr very_very_detailed_attrs[] = {
1548
1549 { .type = PERF_TYPE_HW_CACHE,
1550 .config =
1551 PERF_COUNT_HW_CACHE_L1D << 0 |
1552 (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) |
1553 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1554
1555 { .type = PERF_TYPE_HW_CACHE,
1556 .config =
1557 PERF_COUNT_HW_CACHE_L1D << 0 |
1558 (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) |
1559 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1560};
1561
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001562 /* Set attrs if no event is selected and !null_run: */
1563 if (null_run)
1564 return 0;
1565
Andi Kleen4cabc3d2013-08-21 16:47:26 -07001566 if (transaction_run) {
1567 int err;
1568 if (pmu_have_event("cpu", "cycles-ct") &&
1569 pmu_have_event("cpu", "el-start"))
1570 err = setup_events(transaction_attrs,
1571 ARRAY_SIZE(transaction_attrs));
1572 else
1573 err = setup_events(transaction_limited_attrs,
1574 ARRAY_SIZE(transaction_limited_attrs));
1575 if (err < 0) {
1576 fprintf(stderr, "Cannot set up transaction events\n");
1577 return -1;
1578 }
1579 return 0;
1580 }
1581
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001582 if (!evsel_list->nr_entries) {
Arnaldo Carvalho de Melo79695e12012-05-30 13:53:54 -03001583 if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0)
Arnaldo Carvalho de Melo50d08e42011-11-04 09:10:59 -02001584 return -1;
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001585 }
1586
1587 /* Detailed events get appended to the event list: */
1588
1589 if (detailed_run < 1)
1590 return 0;
1591
1592 /* Append detailed run extra attributes: */
Arnaldo Carvalho de Melo79695e12012-05-30 13:53:54 -03001593 if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0)
Arnaldo Carvalho de Melo50d08e42011-11-04 09:10:59 -02001594 return -1;
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001595
1596 if (detailed_run < 2)
1597 return 0;
1598
1599 /* Append very detailed run extra attributes: */
Arnaldo Carvalho de Melo79695e12012-05-30 13:53:54 -03001600 if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0)
Arnaldo Carvalho de Melo50d08e42011-11-04 09:10:59 -02001601 return -1;
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001602
1603 if (detailed_run < 3)
1604 return 0;
1605
1606 /* Append very, very detailed run extra attributes: */
Arnaldo Carvalho de Melo79695e12012-05-30 13:53:54 -03001607 return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs);
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001608}
1609
Irina Tirdea1d037ca2012-09-11 01:15:03 +03001610int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
Ingo Molnar52425192009-05-26 09:17:18 +02001611{
Peter Zijlstra1f16c572012-10-23 13:40:14 +02001612 bool append_file = false;
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001613 int output_fd = 0;
1614 const char *output_name = NULL;
1615 const struct option options[] = {
Andi Kleen4cabc3d2013-08-21 16:47:26 -07001616 OPT_BOOLEAN('T', "transaction", &transaction_run,
1617 "hardware transaction statistics"),
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001618 OPT_CALLBACK('e', "event", &evsel_list, "event",
1619 "event selector. use 'perf list' to list available events",
1620 parse_events_option),
1621 OPT_CALLBACK(0, "filter", &evsel_list, "filter",
1622 "event filter", parse_filter),
1623 OPT_BOOLEAN('i', "no-inherit", &no_inherit,
1624 "child tasks do not inherit counters"),
1625 OPT_STRING('p', "pid", &target.pid, "pid",
1626 "stat events on existing process id"),
1627 OPT_STRING('t', "tid", &target.tid, "tid",
1628 "stat events on existing thread id"),
1629 OPT_BOOLEAN('a', "all-cpus", &target.system_wide,
1630 "system-wide collection from all CPUs"),
1631 OPT_BOOLEAN('g', "group", &group,
1632 "put the counters into a counter group"),
1633 OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"),
1634 OPT_INCR('v', "verbose", &verbose,
1635 "be more verbose (show counter open errors, etc)"),
1636 OPT_INTEGER('r', "repeat", &run_count,
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001637 "repeat command and print average + stddev (max: 100, forever: 0)"),
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001638 OPT_BOOLEAN('n', "null", &null_run,
1639 "null run - dont start any counters"),
1640 OPT_INCR('d', "detailed", &detailed_run,
1641 "detailed run - start a lot of events"),
1642 OPT_BOOLEAN('S', "sync", &sync_run,
1643 "call sync() before starting a run"),
1644 OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL,
1645 "print large numbers with thousands\' separators",
1646 stat__set_big_num),
1647 OPT_STRING('C', "cpu", &target.cpu_list, "cpu",
1648 "list of cpus to monitor in system-wide"),
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001649 OPT_SET_UINT('A', "no-aggr", &aggr_mode,
1650 "disable CPU count aggregation", AGGR_NONE),
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001651 OPT_STRING('x', "field-separator", &csv_sep, "separator",
1652 "print counts with custom separator"),
1653 OPT_CALLBACK('G', "cgroup", &evsel_list, "name",
1654 "monitor event in cgroup name only", parse_cgroups),
1655 OPT_STRING('o', "output", &output_name, "file", "output file name"),
1656 OPT_BOOLEAN(0, "append", &append_file, "append to the output file"),
1657 OPT_INTEGER(0, "log-fd", &output_fd,
1658 "log output to fd, instead of stderr"),
Peter Zijlstra1f16c572012-10-23 13:40:14 +02001659 OPT_STRING(0, "pre", &pre_cmd, "command",
1660 "command to run prior to the measured command"),
1661 OPT_STRING(0, "post", &post_cmd, "command",
1662 "command to run after to the measured command"),
Stephane Eranian13370a92013-01-29 12:47:44 +01001663 OPT_UINTEGER('I', "interval-print", &interval,
1664 "print counts at regular interval in ms (>= 100)"),
Stephane Eraniand4304952013-02-14 13:57:28 +01001665 OPT_SET_UINT(0, "per-socket", &aggr_mode,
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001666 "aggregate counts per processor socket", AGGR_SOCKET),
Stephane Eranian12c08a92013-02-14 13:57:29 +01001667 OPT_SET_UINT(0, "per-core", &aggr_mode,
1668 "aggregate counts per physical processor core", AGGR_CORE),
Andi Kleen41191682013-08-02 17:41:11 -07001669 OPT_UINTEGER('D', "delay", &initial_delay,
1670 "ms to wait before starting measurement after program start"),
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001671 OPT_END()
1672 };
1673 const char * const stat_usage[] = {
1674 "perf stat [<options>] [<command>]",
1675 NULL
1676 };
Namhyung Kimcc03c542013-11-01 16:33:15 +09001677 int status = -EINVAL, run_idx;
Stephane Eranian4aa90152011-08-15 22:22:33 +02001678 const char *mode;
Ingo Molnar42202dd2009-06-13 14:57:28 +02001679
Stephane Eranian5af52b52010-05-18 15:00:01 +02001680 setlocale(LC_ALL, "");
1681
Namhyung Kim334fe7a2013-03-11 16:43:12 +09001682 evsel_list = perf_evlist__new();
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -02001683 if (evsel_list == NULL)
1684 return -ENOMEM;
1685
Anton Blancharda0541232009-07-22 23:04:12 +10001686 argc = parse_options(argc, argv, options, stat_usage,
1687 PARSE_OPT_STOP_AT_NON_OPTION);
Stephane Eraniand7470b62010-12-01 18:49:05 +02001688
Stephane Eranian4aa90152011-08-15 22:22:33 +02001689 output = stderr;
1690 if (output_name && strcmp(output_name, "-"))
1691 output = NULL;
1692
Jim Cromie56f3bae2011-09-07 17:14:00 -06001693 if (output_name && output_fd) {
1694 fprintf(stderr, "cannot use both --output and --log-fd\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001695 parse_options_usage(stat_usage, options, "o", 1);
1696 parse_options_usage(NULL, options, "log-fd", 0);
1697 goto out;
Jim Cromie56f3bae2011-09-07 17:14:00 -06001698 }
Stephane Eranianfc3e4d02012-05-15 13:11:11 +02001699
1700 if (output_fd < 0) {
1701 fprintf(stderr, "argument to --log-fd must be a > 0\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001702 parse_options_usage(stat_usage, options, "log-fd", 0);
1703 goto out;
Stephane Eranianfc3e4d02012-05-15 13:11:11 +02001704 }
1705
Stephane Eranian4aa90152011-08-15 22:22:33 +02001706 if (!output) {
1707 struct timespec tm;
1708 mode = append_file ? "a" : "w";
1709
1710 output = fopen(output_name, mode);
1711 if (!output) {
1712 perror("failed to create output file");
David Ahernfceda7f2012-08-26 12:24:44 -06001713 return -1;
Stephane Eranian4aa90152011-08-15 22:22:33 +02001714 }
1715 clock_gettime(CLOCK_REALTIME, &tm);
1716 fprintf(output, "# started on %s\n", ctime(&tm.tv_sec));
Stephane Eranianfc3e4d02012-05-15 13:11:11 +02001717 } else if (output_fd > 0) {
Jim Cromie56f3bae2011-09-07 17:14:00 -06001718 mode = append_file ? "a" : "w";
1719 output = fdopen(output_fd, mode);
1720 if (!output) {
1721 perror("Failed opening logfd");
1722 return -errno;
1723 }
Stephane Eranian4aa90152011-08-15 22:22:33 +02001724 }
1725
Jim Cromied4ffd042011-09-07 17:14:03 -06001726 if (csv_sep) {
Stephane Eraniand7470b62010-12-01 18:49:05 +02001727 csv_output = true;
Jim Cromied4ffd042011-09-07 17:14:03 -06001728 if (!strcmp(csv_sep, "\\t"))
1729 csv_sep = "\t";
1730 } else
Stephane Eraniand7470b62010-12-01 18:49:05 +02001731 csv_sep = DEFAULT_SEPARATOR;
1732
1733 /*
1734 * let the spreadsheet do the pretty-printing
1735 */
1736 if (csv_output) {
Jim Cromie61a9f322011-09-07 17:14:04 -06001737 /* User explicitly passed -B? */
Stephane Eraniand7470b62010-12-01 18:49:05 +02001738 if (big_num_opt == 1) {
1739 fprintf(stderr, "-B option not supported with -x\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001740 parse_options_usage(stat_usage, options, "B", 1);
1741 parse_options_usage(NULL, options, "x", 1);
1742 goto out;
Stephane Eraniand7470b62010-12-01 18:49:05 +02001743 } else /* Nope, so disable big number formatting */
1744 big_num = false;
1745 } else if (big_num_opt == 0) /* User passed --no-big-num */
1746 big_num = false;
1747
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001748 if (!argc && target__none(&target))
Ingo Molnar52425192009-05-26 09:17:18 +02001749 usage_with_options(stat_usage, options);
David Ahernac3063b2013-09-30 07:37:37 -06001750
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001751 if (run_count < 0) {
Namhyung Kimcc03c542013-11-01 16:33:15 +09001752 pr_err("Run count must be a positive number\n");
1753 parse_options_usage(stat_usage, options, "r", 1);
1754 goto out;
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001755 } else if (run_count == 0) {
1756 forever = true;
1757 run_count = 1;
1758 }
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001759
Stephane Eranian023695d2011-02-14 11:20:01 +02001760 /* no_aggr, cgroup are for system-wide only */
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001761 if ((aggr_mode != AGGR_GLOBAL || nr_cgroups) &&
1762 !target__has_cpu(&target)) {
Stephane Eranian023695d2011-02-14 11:20:01 +02001763 fprintf(stderr, "both cgroup and no-aggregation "
1764 "modes only available in system-wide mode\n");
1765
Namhyung Kimcc03c542013-11-01 16:33:15 +09001766 parse_options_usage(stat_usage, options, "G", 1);
1767 parse_options_usage(NULL, options, "A", 1);
1768 parse_options_usage(NULL, options, "a", 1);
1769 goto out;
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001770 }
1771
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001772 if (add_default_attributes())
1773 goto out;
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001774
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001775 target__validate(&target);
Arnaldo Carvalho de Melo5c98d4662011-01-03 17:53:33 -02001776
Namhyung Kim77a6f012012-05-07 14:09:04 +09001777 if (perf_evlist__create_maps(evsel_list, &target) < 0) {
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001778 if (target__has_task(&target)) {
Namhyung Kim77a6f012012-05-07 14:09:04 +09001779 pr_err("Problems finding threads of monitor\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001780 parse_options_usage(stat_usage, options, "p", 1);
1781 parse_options_usage(NULL, options, "t", 1);
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001782 } else if (target__has_cpu(&target)) {
Namhyung Kim77a6f012012-05-07 14:09:04 +09001783 perror("failed to parse CPUs map");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001784 parse_options_usage(stat_usage, options, "C", 1);
1785 parse_options_usage(NULL, options, "a", 1);
1786 }
1787 goto out;
Arnaldo Carvalho de Melo60d567e2011-01-03 17:49:48 -02001788 }
Stephane Eranian13370a92013-01-29 12:47:44 +01001789 if (interval && interval < 100) {
1790 pr_err("print interval must be >= 100ms\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001791 parse_options_usage(stat_usage, options, "I", 1);
Arnaldo Carvalho de Melo03ad9742014-01-03 15:56:06 -03001792 goto out;
Stephane Eranian13370a92013-01-29 12:47:44 +01001793 }
Stephane Eranianc45c6ea2010-05-28 12:00:01 +02001794
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -03001795 if (perf_evlist__alloc_stats(evsel_list, interval))
Arnaldo Carvalho de Melo03ad9742014-01-03 15:56:06 -03001796 goto out;
Zhang, Yanmind6d901c2010-03-18 11:36:05 -03001797
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001798 if (perf_stat_init_aggr_mode())
Arnaldo Carvalho de Melo03ad9742014-01-03 15:56:06 -03001799 goto out;
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001800
Ingo Molnar58d7e992009-05-15 11:03:23 +02001801 /*
1802 * We dont want to block the signals - that would cause
1803 * child tasks to inherit that and Ctrl-C would not work.
1804 * What we want is for Ctrl-C to work in the exec()-ed
1805 * task, but being ignored by perf stat itself:
1806 */
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001807 atexit(sig_atexit);
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001808 if (!forever)
1809 signal(SIGINT, skip_signal);
Stephane Eranian13370a92013-01-29 12:47:44 +01001810 signal(SIGCHLD, skip_signal);
Ingo Molnar58d7e992009-05-15 11:03:23 +02001811 signal(SIGALRM, skip_signal);
1812 signal(SIGABRT, skip_signal);
1813
Ingo Molnar42202dd2009-06-13 14:57:28 +02001814 status = 0;
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001815 for (run_idx = 0; forever || run_idx < run_count; run_idx++) {
Ingo Molnar42202dd2009-06-13 14:57:28 +02001816 if (run_count != 1 && verbose)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001817 fprintf(output, "[ perf stat: executing run #%d ... ]\n",
1818 run_idx + 1);
Ingo Molnarf9cef0a2011-04-28 18:17:11 +02001819
Ingo Molnar42202dd2009-06-13 14:57:28 +02001820 status = run_perf_stat(argc, argv);
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001821 if (forever && status != -1) {
1822 print_stat(argc, argv);
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -03001823 perf_stat__reset_stats(evsel_list);
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001824 }
Ingo Molnar42202dd2009-06-13 14:57:28 +02001825 }
1826
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001827 if (!forever && status != -1 && !interval)
Arnaldo Carvalho de Melo084ab9f2010-03-22 13:10:28 -03001828 print_stat(argc, argv);
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -03001829
1830 perf_evlist__free_stats(evsel_list);
Arnaldo Carvalho de Melo0015e2e2011-02-01 16:18:10 -02001831out:
1832 perf_evlist__delete(evsel_list);
Ingo Molnar42202dd2009-06-13 14:57:28 +02001833 return status;
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001834}