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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;
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500141static bool forever = false;
Stephane Eranian13370a92013-01-29 12:47:44 +0100142static struct timespec ref_time;
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100143static struct cpu_map *aggr_map;
144static int (*aggr_get_id)(struct cpu_map *m, int cpu);
Stephane Eranian5af52b52010-05-18 15:00:01 +0200145
Liming Wang60666c62009-12-31 16:05:50 +0800146static volatile int done = 0;
147
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200148struct perf_stat {
149 struct stats res_stats[3];
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200150};
151
Stephane Eranian13370a92013-01-29 12:47:44 +0100152static inline void diff_timespec(struct timespec *r, struct timespec *a,
153 struct timespec *b)
154{
155 r->tv_sec = a->tv_sec - b->tv_sec;
156 if (a->tv_nsec < b->tv_nsec) {
157 r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec;
158 r->tv_sec--;
159 } else {
160 r->tv_nsec = a->tv_nsec - b->tv_nsec ;
161 }
162}
163
164static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel)
165{
166 return (evsel->cpus && !target.cpu_list) ? evsel->cpus : evsel_list->cpus;
167}
168
169static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel)
170{
171 return perf_evsel__cpus(evsel)->nr;
172}
173
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500174static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel)
175{
176 memset(evsel->priv, 0, sizeof(struct perf_stat));
177}
178
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200179static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel)
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200180{
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200181 evsel->priv = zalloc(sizeof(struct perf_stat));
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200182 return evsel->priv == NULL ? -ENOMEM : 0;
183}
184
185static void perf_evsel__free_stat_priv(struct perf_evsel *evsel)
186{
187 free(evsel->priv);
188 evsel->priv = NULL;
189}
190
Stephane Eranian13370a92013-01-29 12:47:44 +0100191static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel)
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800192{
Stephane Eranian13370a92013-01-29 12:47:44 +0100193 void *addr;
194 size_t sz;
195
196 sz = sizeof(*evsel->counts) +
197 (perf_evsel__nr_cpus(evsel) * sizeof(struct perf_counts_values));
198
199 addr = zalloc(sz);
200 if (!addr)
201 return -ENOMEM;
202
203 evsel->prev_raw_counts = addr;
204
205 return 0;
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800206}
207
Stephane Eranian13370a92013-01-29 12:47:44 +0100208static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel)
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800209{
Stephane Eranian13370a92013-01-29 12:47:44 +0100210 free(evsel->prev_raw_counts);
211 evsel->prev_raw_counts = NULL;
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800212}
213
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -0300214static void perf_evlist__free_stats(struct perf_evlist *evlist)
215{
216 struct perf_evsel *evsel;
217
218 list_for_each_entry(evsel, &evlist->entries, node) {
219 perf_evsel__free_stat_priv(evsel);
220 perf_evsel__free_counts(evsel);
221 perf_evsel__free_prev_raw_counts(evsel);
222 }
223}
224
225static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw)
226{
227 struct perf_evsel *evsel;
228
229 list_for_each_entry(evsel, &evlist->entries, node) {
230 if (perf_evsel__alloc_stat_priv(evsel) < 0 ||
231 perf_evsel__alloc_counts(evsel, perf_evsel__nr_cpus(evsel)) < 0 ||
232 (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel) < 0))
233 goto out_free;
234 }
235
236 return 0;
237
238out_free:
239 perf_evlist__free_stats(evlist);
240 return -1;
241}
242
Robert Richter666e6d42012-04-05 18:26:27 +0200243static struct stats runtime_nsecs_stats[MAX_NR_CPUS];
244static struct stats runtime_cycles_stats[MAX_NR_CPUS];
245static struct stats runtime_stalled_cycles_front_stats[MAX_NR_CPUS];
246static struct stats runtime_stalled_cycles_back_stats[MAX_NR_CPUS];
247static struct stats runtime_branches_stats[MAX_NR_CPUS];
248static struct stats runtime_cacherefs_stats[MAX_NR_CPUS];
249static struct stats runtime_l1_dcache_stats[MAX_NR_CPUS];
250static struct stats runtime_l1_icache_stats[MAX_NR_CPUS];
251static struct stats runtime_ll_cache_stats[MAX_NR_CPUS];
252static struct stats runtime_itlb_cache_stats[MAX_NR_CPUS];
253static struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS];
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700254static struct stats runtime_cycles_in_tx_stats[MAX_NR_CPUS];
Robert Richter666e6d42012-04-05 18:26:27 +0200255static struct stats walltime_nsecs_stats;
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700256static struct stats runtime_transaction_stats[MAX_NR_CPUS];
257static struct stats runtime_elision_stats[MAX_NR_CPUS];
Ingo Molnarbe1ac0d2009-05-29 09:10:54 +0200258
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -0300259static void perf_stat__reset_stats(struct perf_evlist *evlist)
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500260{
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -0300261 struct perf_evsel *evsel;
262
263 list_for_each_entry(evsel, &evlist->entries, node) {
264 perf_evsel__reset_stat_priv(evsel);
265 perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel));
266 }
267
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500268 memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats));
269 memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats));
270 memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats));
271 memset(runtime_stalled_cycles_back_stats, 0, sizeof(runtime_stalled_cycles_back_stats));
272 memset(runtime_branches_stats, 0, sizeof(runtime_branches_stats));
273 memset(runtime_cacherefs_stats, 0, sizeof(runtime_cacherefs_stats));
274 memset(runtime_l1_dcache_stats, 0, sizeof(runtime_l1_dcache_stats));
275 memset(runtime_l1_icache_stats, 0, sizeof(runtime_l1_icache_stats));
276 memset(runtime_ll_cache_stats, 0, sizeof(runtime_ll_cache_stats));
277 memset(runtime_itlb_cache_stats, 0, sizeof(runtime_itlb_cache_stats));
278 memset(runtime_dtlb_cache_stats, 0, sizeof(runtime_dtlb_cache_stats));
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700279 memset(runtime_cycles_in_tx_stats, 0,
280 sizeof(runtime_cycles_in_tx_stats));
281 memset(runtime_transaction_stats, 0,
282 sizeof(runtime_transaction_stats));
283 memset(runtime_elision_stats, 0, sizeof(runtime_elision_stats));
Frederik Deweerdta7e191c2013-03-01 13:02:27 -0500284 memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats));
285}
286
Jiri Olsacac21422012-11-12 18:34:00 +0100287static int create_perf_stat_counter(struct perf_evsel *evsel)
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200288{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200289 struct perf_event_attr *attr = &evsel->attr;
Arnaldo Carvalho de Melo727ab042011-10-25 10:42:19 -0200290
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200291 if (scale)
Ingo Molnara21ca2c2009-06-06 09:58:57 +0200292 attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED |
293 PERF_FORMAT_TOTAL_TIME_RUNNING;
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200294
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200295 attr->inherit = !no_inherit;
Arnaldo Carvalho de Melo5d2cd902011-04-14 11:20:14 -0300296
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -0300297 if (target__has_cpu(&target))
Arnaldo Carvalho de Melo594ac612012-12-13 13:13:07 -0300298 return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel));
Stephane Eranian5622c072012-04-27 14:45:38 +0200299
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -0300300 if (!target__has_task(&target) && perf_evsel__is_group_leader(evsel)) {
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200301 attr->disabled = 1;
Andi Kleen41191682013-08-02 17:41:11 -0700302 if (!initial_delay)
303 attr->enable_on_exec = 1;
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200304 }
Arnaldo Carvalho de Melo084ab9f2010-03-22 13:10:28 -0300305
Arnaldo Carvalho de Melo594ac612012-12-13 13:13:07 -0300306 return perf_evsel__open_per_thread(evsel, evsel_list->threads);
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200307}
308
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200309/*
310 * Does the counter have nsecs as a unit?
311 */
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200312static inline int nsec_counter(struct perf_evsel *evsel)
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200313{
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200314 if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
315 perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK))
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200316 return 1;
317
318 return 0;
319}
320
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700321static struct perf_evsel *nth_evsel(int n)
322{
323 static struct perf_evsel **array;
324 static int array_len;
325 struct perf_evsel *ev;
326 int j;
327
328 /* Assumes this only called when evsel_list does not change anymore. */
329 if (!array) {
330 list_for_each_entry(ev, &evsel_list->entries, node)
331 array_len++;
332 array = malloc(array_len * sizeof(void *));
333 if (!array)
334 exit(ENOMEM);
335 j = 0;
336 list_for_each_entry(ev, &evsel_list->entries, node)
337 array[j++] = ev;
338 }
339 if (n < array_len)
340 return array[n];
341 return NULL;
342}
343
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200344/*
Ingo Molnardcd99362011-04-27 04:36:37 +0200345 * Update various tracking values we maintain to print
346 * more semantic information such as miss/hit ratios,
347 * instruction rates, etc:
348 */
349static void update_shadow_stats(struct perf_evsel *counter, u64 *count)
350{
351 if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK))
352 update_stats(&runtime_nsecs_stats[0], count[0]);
353 else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
354 update_stats(&runtime_cycles_stats[0], count[0]);
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700355 else if (transaction_run &&
356 perf_evsel__cmp(counter, nth_evsel(T_CYCLES_IN_TX)))
357 update_stats(&runtime_cycles_in_tx_stats[0], count[0]);
358 else if (transaction_run &&
359 perf_evsel__cmp(counter, nth_evsel(T_TRANSACTION_START)))
360 update_stats(&runtime_transaction_stats[0], count[0]);
361 else if (transaction_run &&
362 perf_evsel__cmp(counter, nth_evsel(T_ELISION_START)))
363 update_stats(&runtime_elision_stats[0], count[0]);
Ingo Molnard3d1e862011-04-29 13:49:08 +0200364 else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
365 update_stats(&runtime_stalled_cycles_front_stats[0], count[0]);
Ingo Molnar129c04c2011-04-29 14:41:28 +0200366 else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND))
Ingo Molnard3d1e862011-04-29 13:49:08 +0200367 update_stats(&runtime_stalled_cycles_back_stats[0], count[0]);
Ingo Molnardcd99362011-04-27 04:36:37 +0200368 else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
369 update_stats(&runtime_branches_stats[0], count[0]);
370 else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES))
371 update_stats(&runtime_cacherefs_stats[0], count[0]);
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200372 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D))
373 update_stats(&runtime_l1_dcache_stats[0], count[0]);
Ingo Molnarc3305252011-05-19 14:01:42 +0200374 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I))
375 update_stats(&runtime_l1_icache_stats[0], count[0]);
376 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL))
377 update_stats(&runtime_ll_cache_stats[0], count[0]);
378 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB))
379 update_stats(&runtime_dtlb_cache_stats[0], count[0]);
380 else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB))
381 update_stats(&runtime_itlb_cache_stats[0], count[0]);
Ingo Molnardcd99362011-04-27 04:36:37 +0200382}
383
384/*
Ingo Molnar2996f5d2009-05-29 09:10:54 +0200385 * Read out the results of a single counter:
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200386 * aggregate counts across CPUs in system-wide mode
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200387 */
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200388static int read_counter_aggr(struct perf_evsel *counter)
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200389{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200390 struct perf_stat *ps = counter->priv;
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200391 u64 *count = counter->counts->aggr.values;
392 int i;
Ingo Molnarc04f5e52009-05-29 09:10:54 +0200393
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800394 if (__perf_evsel__read(counter, perf_evsel__nr_cpus(counter),
Namhyung Kimb3a319d2013-03-11 16:43:14 +0900395 thread_map__nr(evsel_list->threads), scale) < 0)
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200396 return -1;
Peter Zijlstra9e9772c2009-09-04 15:36:08 +0200397
398 for (i = 0; i < 3; i++)
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200399 update_stats(&ps->res_stats[i], count[i]);
Peter Zijlstra9e9772c2009-09-04 15:36:08 +0200400
401 if (verbose) {
Stephane Eranian4aa90152011-08-15 22:22:33 +0200402 fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
Arnaldo Carvalho de Melo7289f832012-06-12 12:34:58 -0300403 perf_evsel__name(counter), count[0], count[1], count[2]);
Peter Zijlstra9e9772c2009-09-04 15:36:08 +0200404 }
405
Ingo Molnarbe1ac0d2009-05-29 09:10:54 +0200406 /*
407 * Save the full runtime - to allow normalization during printout:
408 */
Ingo Molnardcd99362011-04-27 04:36:37 +0200409 update_shadow_stats(counter, count);
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200410
411 return 0;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200412}
413
414/*
415 * Read out the results of a single counter:
416 * do not aggregate counts across CPUs in system-wide mode
417 */
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200418static int read_counter(struct perf_evsel *counter)
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200419{
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200420 u64 *count;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200421 int cpu;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200422
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800423 for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200424 if (__perf_evsel__read_on_cpu(counter, cpu, 0, scale) < 0)
425 return -1;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200426
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200427 count = counter->counts->cpu[cpu].values;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200428
Ingo Molnardcd99362011-04-27 04:36:37 +0200429 update_shadow_stats(counter, count);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200430 }
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200431
432 return 0;
Ingo Molnar2996f5d2009-05-29 09:10:54 +0200433}
434
Stephane Eranian13370a92013-01-29 12:47:44 +0100435static void print_interval(void)
436{
437 static int num_print_interval;
438 struct perf_evsel *counter;
439 struct perf_stat *ps;
440 struct timespec ts, rs;
441 char prefix[64];
442
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100443 if (aggr_mode == AGGR_GLOBAL) {
Stephane Eranian13370a92013-01-29 12:47:44 +0100444 list_for_each_entry(counter, &evsel_list->entries, node) {
445 ps = counter->priv;
446 memset(ps->res_stats, 0, sizeof(ps->res_stats));
447 read_counter_aggr(counter);
448 }
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100449 } else {
450 list_for_each_entry(counter, &evsel_list->entries, node) {
451 ps = counter->priv;
452 memset(ps->res_stats, 0, sizeof(ps->res_stats));
453 read_counter(counter);
454 }
Stephane Eranian13370a92013-01-29 12:47:44 +0100455 }
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100456
Stephane Eranian13370a92013-01-29 12:47:44 +0100457 clock_gettime(CLOCK_MONOTONIC, &ts);
458 diff_timespec(&rs, &ts, &ref_time);
459 sprintf(prefix, "%6lu.%09lu%s", rs.tv_sec, rs.tv_nsec, csv_sep);
460
461 if (num_print_interval == 0 && !csv_output) {
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100462 switch (aggr_mode) {
463 case AGGR_SOCKET:
Stephane Eraniand7e7a452013-02-06 15:46:02 +0100464 fprintf(output, "# time socket cpus counts events\n");
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100465 break;
Stephane Eranian12c08a92013-02-14 13:57:29 +0100466 case AGGR_CORE:
467 fprintf(output, "# time core cpus counts events\n");
468 break;
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100469 case AGGR_NONE:
Stephane Eranian13370a92013-01-29 12:47:44 +0100470 fprintf(output, "# time CPU counts events\n");
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100471 break;
472 case AGGR_GLOBAL:
473 default:
Stephane Eranian13370a92013-01-29 12:47:44 +0100474 fprintf(output, "# time counts events\n");
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100475 }
Stephane Eranian13370a92013-01-29 12:47:44 +0100476 }
477
478 if (++num_print_interval == 25)
479 num_print_interval = 0;
480
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100481 switch (aggr_mode) {
Stephane Eranian12c08a92013-02-14 13:57:29 +0100482 case AGGR_CORE:
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100483 case AGGR_SOCKET:
484 print_aggr(prefix);
485 break;
486 case AGGR_NONE:
Stephane Eranian13370a92013-01-29 12:47:44 +0100487 list_for_each_entry(counter, &evsel_list->entries, node)
488 print_counter(counter, prefix);
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100489 break;
490 case AGGR_GLOBAL:
491 default:
Stephane Eranian13370a92013-01-29 12:47:44 +0100492 list_for_each_entry(counter, &evsel_list->entries, node)
493 print_counter_aggr(counter, prefix);
494 }
Andi Kleen2bbf03f2013-08-02 17:41:12 -0700495
496 fflush(output);
Stephane Eranian13370a92013-01-29 12:47:44 +0100497}
498
Andi Kleen41191682013-08-02 17:41:11 -0700499static void handle_initial_delay(void)
500{
501 struct perf_evsel *counter;
502
503 if (initial_delay) {
504 const int ncpus = cpu_map__nr(evsel_list->cpus),
505 nthreads = thread_map__nr(evsel_list->threads);
506
507 usleep(initial_delay * 1000);
508 list_for_each_entry(counter, &evsel_list->entries, node)
509 perf_evsel__enable(counter, ncpus, nthreads);
510 }
511}
512
Namhyung Kimacf28922013-03-11 16:43:18 +0900513static int __run_perf_stat(int argc, const char **argv)
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200514{
Arnaldo Carvalho de Melo56e52e82012-12-13 15:10:58 -0300515 char msg[512];
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200516 unsigned long long t0, t1;
Jiri Olsacac21422012-11-12 18:34:00 +0100517 struct perf_evsel *counter;
Stephane Eranian13370a92013-01-29 12:47:44 +0100518 struct timespec ts;
Ingo Molnar42202dd2009-06-13 14:57:28 +0200519 int status = 0;
Zhang, Yanmin6be28502010-03-18 11:36:03 -0300520 const bool forks = (argc > 0);
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200521
Stephane Eranian13370a92013-01-29 12:47:44 +0100522 if (interval) {
523 ts.tv_sec = interval / 1000;
524 ts.tv_nsec = (interval % 1000) * 1000000;
525 } else {
526 ts.tv_sec = 1;
527 ts.tv_nsec = 0;
528 }
529
Liming Wang60666c62009-12-31 16:05:50 +0800530 if (forks) {
Namhyung Kimacf28922013-03-11 16:43:18 +0900531 if (perf_evlist__prepare_workload(evsel_list, &target, argv,
532 false, false) < 0) {
533 perror("failed to prepare workload");
534 return -1;
Liming Wang60666c62009-12-31 16:05:50 +0800535 }
Namhyung Kimd20a47e2013-09-30 18:01:11 +0900536 child_pid = evsel_list->workload.pid;
Paul Mackerras051ae7f2009-06-29 21:13:21 +1000537 }
538
Jiri Olsa6a4bb042012-08-08 12:22:36 +0200539 if (group)
Arnaldo Carvalho de Melo63dab222012-08-14 16:35:48 -0300540 perf_evlist__set_leader(evsel_list);
Jiri Olsa6a4bb042012-08-08 12:22:36 +0200541
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -0200542 list_for_each_entry(counter, &evsel_list->entries, node) {
Jiri Olsacac21422012-11-12 18:34:00 +0100543 if (create_perf_stat_counter(counter) < 0) {
David Ahern979987a2012-05-08 09:29:16 -0600544 /*
545 * PPC returns ENXIO for HW counters until 2.6.37
546 * (behavior changed with commit b0a873e).
547 */
Anton Blanchard38f6ae12011-12-02 09:38:33 +1100548 if (errno == EINVAL || errno == ENOSYS ||
David Ahern979987a2012-05-08 09:29:16 -0600549 errno == ENOENT || errno == EOPNOTSUPP ||
550 errno == ENXIO) {
David Ahernc63ca0c2011-04-29 16:04:15 -0600551 if (verbose)
552 ui__warning("%s event is not supported by the kernel.\n",
Arnaldo Carvalho de Melo7289f832012-06-12 12:34:58 -0300553 perf_evsel__name(counter));
David Ahern2cee77c2011-05-30 08:55:59 -0600554 counter->supported = false;
Ingo Molnarede70292011-04-28 08:48:42 +0200555 continue;
David Ahernc63ca0c2011-04-29 16:04:15 -0600556 }
Ingo Molnarede70292011-04-28 08:48:42 +0200557
Arnaldo Carvalho de Melo56e52e82012-12-13 15:10:58 -0300558 perf_evsel__open_strerror(counter, &target,
559 errno, msg, sizeof(msg));
560 ui__error("%s\n", msg);
561
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200562 if (child_pid != -1)
563 kill(child_pid, SIGTERM);
David Ahernfceda7f2012-08-26 12:24:44 -0600564
Arnaldo Carvalho de Melo48290602011-01-03 17:48:12 -0200565 return -1;
566 }
David Ahern2cee77c2011-05-30 08:55:59 -0600567 counter->supported = true;
Arnaldo Carvalho de Melo084ab9f2010-03-22 13:10:28 -0300568 }
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200569
Arnaldo Carvalho de Melo1491a632012-09-26 14:43:13 -0300570 if (perf_evlist__apply_filters(evsel_list)) {
Frederic Weisbeckercfd748a2011-03-14 16:40:30 +0100571 error("failed to set filter with %d (%s)\n", errno,
572 strerror(errno));
573 return -1;
574 }
575
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200576 /*
577 * Enable counters and exec the command:
578 */
579 t0 = rdclock();
Stephane Eranian13370a92013-01-29 12:47:44 +0100580 clock_gettime(CLOCK_MONOTONIC, &ref_time);
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200581
Liming Wang60666c62009-12-31 16:05:50 +0800582 if (forks) {
Namhyung Kimacf28922013-03-11 16:43:18 +0900583 perf_evlist__start_workload(evsel_list);
Andi Kleen41191682013-08-02 17:41:11 -0700584 handle_initial_delay();
Namhyung Kimacf28922013-03-11 16:43:18 +0900585
Stephane Eranian13370a92013-01-29 12:47:44 +0100586 if (interval) {
587 while (!waitpid(child_pid, &status, WNOHANG)) {
588 nanosleep(&ts, NULL);
589 print_interval();
590 }
591 }
Liming Wang60666c62009-12-31 16:05:50 +0800592 wait(&status);
Andi Kleen33e49ea2011-09-15 14:31:40 -0700593 if (WIFSIGNALED(status))
594 psignal(WTERMSIG(status), argv[0]);
Liming Wang60666c62009-12-31 16:05:50 +0800595 } else {
Andi Kleen41191682013-08-02 17:41:11 -0700596 handle_initial_delay();
Stephane Eranian13370a92013-01-29 12:47:44 +0100597 while (!done) {
598 nanosleep(&ts, NULL);
599 if (interval)
600 print_interval();
601 }
Liming Wang60666c62009-12-31 16:05:50 +0800602 }
Ingo Molnar44db76c2009-06-03 19:36:07 +0200603
Ingo Molnarddcacfa2009-04-20 15:37:32 +0200604 t1 = rdclock();
605
Peter Zijlstra9e9772c2009-09-04 15:36:08 +0200606 update_stats(&walltime_nsecs_stats, t1 - t0);
Ingo Molnar42202dd2009-06-13 14:57:28 +0200607
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100608 if (aggr_mode == AGGR_GLOBAL) {
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -0200609 list_for_each_entry(counter, &evsel_list->entries, node) {
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200610 read_counter_aggr(counter);
Yan, Zheng7ae92e72012-09-10 15:53:50 +0800611 perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter),
Namhyung Kimb3a319d2013-03-11 16:43:14 +0900612 thread_map__nr(evsel_list->threads));
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200613 }
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100614 } else {
615 list_for_each_entry(counter, &evsel_list->entries, node) {
616 read_counter(counter);
617 perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 1);
618 }
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200619 }
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -0200620
Ingo Molnar42202dd2009-06-13 14:57:28 +0200621 return WEXITSTATUS(status);
622}
623
Peter Zijlstra1f16c572012-10-23 13:40:14 +0200624static int run_perf_stat(int argc __maybe_unused, const char **argv)
625{
626 int ret;
627
628 if (pre_cmd) {
629 ret = system(pre_cmd);
630 if (ret)
631 return ret;
632 }
633
634 if (sync_run)
635 sync();
636
637 ret = __run_perf_stat(argc, argv);
638 if (ret)
639 return ret;
640
641 if (post_cmd) {
642 ret = system(post_cmd);
643 if (ret)
644 return ret;
645 }
646
647 return ret;
648}
649
Ingo Molnarf99844c2011-04-27 05:35:39 +0200650static void print_noise_pct(double total, double avg)
651{
Xiao Guangrong0007ece2012-09-17 16:31:14 +0800652 double pct = rel_stddev_stats(total, avg);
Ingo Molnarf99844c2011-04-27 05:35:39 +0200653
Zhengyu He3ae9a34d2011-06-23 13:45:42 -0700654 if (csv_output)
Stephane Eranian4aa90152011-08-15 22:22:33 +0200655 fprintf(output, "%s%.2f%%", csv_sep, pct);
Jim Cromiea1bca6c2011-09-07 17:14:02 -0600656 else if (pct)
Stephane Eranian4aa90152011-08-15 22:22:33 +0200657 fprintf(output, " ( +-%6.2f%% )", pct);
Ingo Molnarf99844c2011-04-27 05:35:39 +0200658}
659
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200660static void print_noise(struct perf_evsel *evsel, double avg)
Ingo Molnar42202dd2009-06-13 14:57:28 +0200661{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200662 struct perf_stat *ps;
663
Peter Zijlstra849abde2009-09-04 18:23:38 +0200664 if (run_count == 1)
665 return;
666
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -0200667 ps = evsel->priv;
Ingo Molnarf99844c2011-04-27 05:35:39 +0200668 print_noise_pct(stddev_stats(&ps->res_stats[0]), avg);
Ingo Molnar42202dd2009-06-13 14:57:28 +0200669}
670
Stephane Eranian12c08a92013-02-14 13:57:29 +0100671static void aggr_printout(struct perf_evsel *evsel, int id, int nr)
Ingo Molnar42202dd2009-06-13 14:57:28 +0200672{
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100673 switch (aggr_mode) {
Stephane Eranian12c08a92013-02-14 13:57:29 +0100674 case AGGR_CORE:
675 fprintf(output, "S%d-C%*d%s%*d%s",
676 cpu_map__id_to_socket(id),
677 csv_output ? 0 : -8,
678 cpu_map__id_to_cpu(id),
679 csv_sep,
680 csv_output ? 0 : 4,
681 nr,
682 csv_sep);
683 break;
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100684 case AGGR_SOCKET:
685 fprintf(output, "S%*d%s%*d%s",
Stephane Eraniand7e7a452013-02-06 15:46:02 +0100686 csv_output ? 0 : -5,
Stephane Eranian12c08a92013-02-14 13:57:29 +0100687 id,
Stephane Eraniand7e7a452013-02-06 15:46:02 +0100688 csv_sep,
689 csv_output ? 0 : 4,
690 nr,
691 csv_sep);
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100692 break;
693 case AGGR_NONE:
694 fprintf(output, "CPU%*d%s",
Stephane Eraniand7470b62010-12-01 18:49:05 +0200695 csv_output ? 0 : -4,
Stephane Eranian12c08a92013-02-14 13:57:29 +0100696 perf_evsel__cpus(evsel)->map[id], csv_sep);
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100697 break;
698 case AGGR_GLOBAL:
699 default:
700 break;
701 }
702}
Stephane Eraniand7470b62010-12-01 18:49:05 +0200703
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100704static void nsec_printout(int cpu, int nr, struct perf_evsel *evsel, double avg)
705{
706 double msecs = avg / 1e6;
707 const char *fmt = csv_output ? "%.6f%s%s" : "%18.6f%s%-25s";
David Ahern4bbe5a62013-09-28 14:28:00 -0600708 char name[25];
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100709
710 aggr_printout(evsel, cpu, nr);
711
David Ahern4bbe5a62013-09-28 14:28:00 -0600712 scnprintf(name, sizeof(name), "%s%s",
713 perf_evsel__name(evsel), csv_output ? "" : " (msec)");
714 fprintf(output, fmt, msecs, csv_sep, name);
Stephane Eraniand7470b62010-12-01 18:49:05 +0200715
Stephane Eranian023695d2011-02-14 11:20:01 +0200716 if (evsel->cgrp)
Stephane Eranian4aa90152011-08-15 22:22:33 +0200717 fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
Stephane Eranian023695d2011-02-14 11:20:01 +0200718
Stephane Eranian13370a92013-01-29 12:47:44 +0100719 if (csv_output || interval)
Stephane Eraniand7470b62010-12-01 18:49:05 +0200720 return;
Ingo Molnar42202dd2009-06-13 14:57:28 +0200721
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200722 if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK))
Stephane Eranian4aa90152011-08-15 22:22:33 +0200723 fprintf(output, " # %8.3f CPUs utilized ",
724 avg / avg_stats(&walltime_nsecs_stats));
Namhyung Kim9dac6a22012-02-06 16:44:45 +0900725 else
726 fprintf(output, " ");
Ingo Molnar42202dd2009-06-13 14:57:28 +0200727}
728
Namhyung Kim15e63922011-12-28 00:35:49 +0900729/* used for get_ratio_color() */
730enum grc_type {
731 GRC_STALLED_CYCLES_FE,
732 GRC_STALLED_CYCLES_BE,
733 GRC_CACHE_MISSES,
734 GRC_MAX_NR
735};
736
737static const char *get_ratio_color(enum grc_type type, double ratio)
738{
739 static const double grc_table[GRC_MAX_NR][3] = {
740 [GRC_STALLED_CYCLES_FE] = { 50.0, 30.0, 10.0 },
741 [GRC_STALLED_CYCLES_BE] = { 75.0, 50.0, 20.0 },
742 [GRC_CACHE_MISSES] = { 20.0, 10.0, 5.0 },
743 };
744 const char *color = PERF_COLOR_NORMAL;
745
746 if (ratio > grc_table[type][0])
747 color = PERF_COLOR_RED;
748 else if (ratio > grc_table[type][1])
749 color = PERF_COLOR_MAGENTA;
750 else if (ratio > grc_table[type][2])
751 color = PERF_COLOR_YELLOW;
752
753 return color;
754}
755
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300756static void print_stalled_cycles_frontend(int cpu,
757 struct perf_evsel *evsel
758 __maybe_unused, double avg)
Ingo Molnard3d1e862011-04-29 13:49:08 +0200759{
760 double total, ratio = 0.0;
761 const char *color;
762
763 total = avg_stats(&runtime_cycles_stats[cpu]);
764
765 if (total)
766 ratio = avg / total * 100.0;
767
Namhyung Kim15e63922011-12-28 00:35:49 +0900768 color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio);
Ingo Molnard3d1e862011-04-29 13:49:08 +0200769
Stephane Eranian4aa90152011-08-15 22:22:33 +0200770 fprintf(output, " # ");
771 color_fprintf(output, color, "%6.2f%%", ratio);
772 fprintf(output, " frontend cycles idle ");
Ingo Molnard3d1e862011-04-29 13:49:08 +0200773}
774
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300775static void print_stalled_cycles_backend(int cpu,
776 struct perf_evsel *evsel
777 __maybe_unused, double avg)
Ingo Molnara5d243d2011-04-27 05:39:24 +0200778{
779 double total, ratio = 0.0;
780 const char *color;
781
782 total = avg_stats(&runtime_cycles_stats[cpu]);
783
784 if (total)
785 ratio = avg / total * 100.0;
786
Namhyung Kim15e63922011-12-28 00:35:49 +0900787 color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio);
Ingo Molnara5d243d2011-04-27 05:39:24 +0200788
Stephane Eranian4aa90152011-08-15 22:22:33 +0200789 fprintf(output, " # ");
790 color_fprintf(output, color, "%6.2f%%", ratio);
791 fprintf(output, " backend cycles idle ");
Ingo Molnara5d243d2011-04-27 05:39:24 +0200792}
793
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300794static void print_branch_misses(int cpu,
795 struct perf_evsel *evsel __maybe_unused,
796 double avg)
Ingo Molnarc78df6c2011-04-27 12:16:10 +0200797{
798 double total, ratio = 0.0;
799 const char *color;
800
801 total = avg_stats(&runtime_branches_stats[cpu]);
802
803 if (total)
804 ratio = avg / total * 100.0;
805
Namhyung Kim15e63922011-12-28 00:35:49 +0900806 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc78df6c2011-04-27 12:16:10 +0200807
Stephane Eranian4aa90152011-08-15 22:22:33 +0200808 fprintf(output, " # ");
809 color_fprintf(output, color, "%6.2f%%", ratio);
810 fprintf(output, " of all branches ");
Ingo Molnarc78df6c2011-04-27 12:16:10 +0200811}
812
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300813static void print_l1_dcache_misses(int cpu,
814 struct perf_evsel *evsel __maybe_unused,
815 double avg)
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200816{
817 double total, ratio = 0.0;
818 const char *color;
819
820 total = avg_stats(&runtime_l1_dcache_stats[cpu]);
821
822 if (total)
823 ratio = avg / total * 100.0;
824
Namhyung Kim15e63922011-12-28 00:35:49 +0900825 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200826
Stephane Eranian4aa90152011-08-15 22:22:33 +0200827 fprintf(output, " # ");
828 color_fprintf(output, color, "%6.2f%%", ratio);
829 fprintf(output, " of all L1-dcache hits ");
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200830}
831
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300832static void print_l1_icache_misses(int cpu,
833 struct perf_evsel *evsel __maybe_unused,
834 double avg)
Ingo Molnarc3305252011-05-19 14:01:42 +0200835{
836 double total, ratio = 0.0;
837 const char *color;
838
839 total = avg_stats(&runtime_l1_icache_stats[cpu]);
840
841 if (total)
842 ratio = avg / total * 100.0;
843
Namhyung Kim15e63922011-12-28 00:35:49 +0900844 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc3305252011-05-19 14:01:42 +0200845
Stephane Eranian4aa90152011-08-15 22:22:33 +0200846 fprintf(output, " # ");
847 color_fprintf(output, color, "%6.2f%%", ratio);
848 fprintf(output, " of all L1-icache hits ");
Ingo Molnarc3305252011-05-19 14:01:42 +0200849}
850
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300851static void print_dtlb_cache_misses(int cpu,
852 struct perf_evsel *evsel __maybe_unused,
853 double avg)
Ingo Molnarc3305252011-05-19 14:01:42 +0200854{
855 double total, ratio = 0.0;
856 const char *color;
857
858 total = avg_stats(&runtime_dtlb_cache_stats[cpu]);
859
860 if (total)
861 ratio = avg / total * 100.0;
862
Namhyung Kim15e63922011-12-28 00:35:49 +0900863 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc3305252011-05-19 14:01:42 +0200864
Stephane Eranian4aa90152011-08-15 22:22:33 +0200865 fprintf(output, " # ");
866 color_fprintf(output, color, "%6.2f%%", ratio);
867 fprintf(output, " of all dTLB cache hits ");
Ingo Molnarc3305252011-05-19 14:01:42 +0200868}
869
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300870static void print_itlb_cache_misses(int cpu,
871 struct perf_evsel *evsel __maybe_unused,
872 double avg)
Ingo Molnarc3305252011-05-19 14:01:42 +0200873{
874 double total, ratio = 0.0;
875 const char *color;
876
877 total = avg_stats(&runtime_itlb_cache_stats[cpu]);
878
879 if (total)
880 ratio = avg / total * 100.0;
881
Namhyung Kim15e63922011-12-28 00:35:49 +0900882 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc3305252011-05-19 14:01:42 +0200883
Stephane Eranian4aa90152011-08-15 22:22:33 +0200884 fprintf(output, " # ");
885 color_fprintf(output, color, "%6.2f%%", ratio);
886 fprintf(output, " of all iTLB cache hits ");
Ingo Molnarc3305252011-05-19 14:01:42 +0200887}
888
Irina Tirdea1d037ca2012-09-11 01:15:03 +0300889static void print_ll_cache_misses(int cpu,
890 struct perf_evsel *evsel __maybe_unused,
891 double avg)
Ingo Molnarc3305252011-05-19 14:01:42 +0200892{
893 double total, ratio = 0.0;
894 const char *color;
895
896 total = avg_stats(&runtime_ll_cache_stats[cpu]);
897
898 if (total)
899 ratio = avg / total * 100.0;
900
Namhyung Kim15e63922011-12-28 00:35:49 +0900901 color = get_ratio_color(GRC_CACHE_MISSES, ratio);
Ingo Molnarc3305252011-05-19 14:01:42 +0200902
Stephane Eranian4aa90152011-08-15 22:22:33 +0200903 fprintf(output, " # ");
904 color_fprintf(output, color, "%6.2f%%", ratio);
905 fprintf(output, " of all LL-cache hits ");
Ingo Molnarc3305252011-05-19 14:01:42 +0200906}
907
Stephane Eraniand7e7a452013-02-06 15:46:02 +0100908static void abs_printout(int cpu, int nr, struct perf_evsel *evsel, double avg)
Ingo Molnar42202dd2009-06-13 14:57:28 +0200909{
Andi Kleen4cabc3d2013-08-21 16:47:26 -0700910 double total, ratio = 0.0, total2;
Stephane Eraniand7470b62010-12-01 18:49:05 +0200911 const char *fmt;
912
913 if (csv_output)
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100914 fmt = "%.0f%s%s";
Stephane Eraniand7470b62010-12-01 18:49:05 +0200915 else if (big_num)
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100916 fmt = "%'18.0f%s%-25s";
Stephane Eraniand7470b62010-12-01 18:49:05 +0200917 else
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100918 fmt = "%18.0f%s%-25s";
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200919
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100920 aggr_printout(evsel, cpu, nr);
921
922 if (aggr_mode == AGGR_GLOBAL)
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200923 cpu = 0;
Ingo Molnarc7f7fea2009-09-22 14:53:51 +0200924
Stephane Eranian86ee6e12013-02-14 13:57:27 +0100925 fprintf(output, fmt, avg, csv_sep, perf_evsel__name(evsel));
Stephane Eraniand7470b62010-12-01 18:49:05 +0200926
Stephane Eranian023695d2011-02-14 11:20:01 +0200927 if (evsel->cgrp)
Stephane Eranian4aa90152011-08-15 22:22:33 +0200928 fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
Stephane Eranian023695d2011-02-14 11:20:01 +0200929
Stephane Eranian13370a92013-01-29 12:47:44 +0100930 if (csv_output || interval)
Stephane Eraniand7470b62010-12-01 18:49:05 +0200931 return;
Ingo Molnar42202dd2009-06-13 14:57:28 +0200932
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200933 if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) {
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200934 total = avg_stats(&runtime_cycles_stats[cpu]);
Ramkumar Ramachandra3e7a0812013-10-01 14:06:44 +0530935 if (total) {
Ingo Molnarc7f7fea2009-09-22 14:53:51 +0200936 ratio = avg / total;
Ramkumar Ramachandra3e7a0812013-10-01 14:06:44 +0530937 fprintf(output, " # %5.2f insns per cycle ", ratio);
938 }
Ingo Molnard3d1e862011-04-29 13:49:08 +0200939 total = avg_stats(&runtime_stalled_cycles_front_stats[cpu]);
940 total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[cpu]));
Ingo Molnar481f9882011-04-27 04:34:16 +0200941
942 if (total && avg) {
943 ratio = total / avg;
Stephane Eranian4aa90152011-08-15 22:22:33 +0200944 fprintf(output, "\n # %5.2f stalled cycles per insn", ratio);
Ingo Molnar481f9882011-04-27 04:34:16 +0200945 }
946
Arnaldo Carvalho de Melodaec78a2011-01-03 16:49:44 -0200947 } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) &&
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +0200948 runtime_branches_stats[cpu].n != 0) {
Ingo Molnarc78df6c2011-04-27 12:16:10 +0200949 print_branch_misses(cpu, evsel, avg);
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200950 } else if (
951 evsel->attr.type == PERF_TYPE_HW_CACHE &&
952 evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D |
953 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
954 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
Ingo Molnarc6264de2011-04-27 13:50:47 +0200955 runtime_l1_dcache_stats[cpu].n != 0) {
Ingo Molnar8bb6c792011-04-27 13:25:24 +0200956 print_l1_dcache_misses(cpu, evsel, avg);
Ingo Molnarc3305252011-05-19 14:01:42 +0200957 } else if (
958 evsel->attr.type == PERF_TYPE_HW_CACHE &&
959 evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I |
960 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
961 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
962 runtime_l1_icache_stats[cpu].n != 0) {
963 print_l1_icache_misses(cpu, evsel, avg);
964 } else if (
965 evsel->attr.type == PERF_TYPE_HW_CACHE &&
966 evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB |
967 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
968 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
969 runtime_dtlb_cache_stats[cpu].n != 0) {
970 print_dtlb_cache_misses(cpu, evsel, avg);
971 } else if (
972 evsel->attr.type == PERF_TYPE_HW_CACHE &&
973 evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB |
974 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
975 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
976 runtime_itlb_cache_stats[cpu].n != 0) {
977 print_itlb_cache_misses(cpu, evsel, avg);
978 } else if (
979 evsel->attr.type == PERF_TYPE_HW_CACHE &&
980 evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL |
981 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
982 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) &&
983 runtime_ll_cache_stats[cpu].n != 0) {
984 print_ll_cache_misses(cpu, evsel, avg);
Ingo Molnard58f4c82011-04-27 03:42:18 +0200985 } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) &&
986 runtime_cacherefs_stats[cpu].n != 0) {
987 total = avg_stats(&runtime_cacherefs_stats[cpu]);
988
989 if (total)
990 ratio = avg * 100 / total;
991
Stephane Eranian4aa90152011-08-15 22:22:33 +0200992 fprintf(output, " # %8.3f %% of all cache refs ", ratio);
Ingo Molnard58f4c82011-04-27 03:42:18 +0200993
Ingo Molnard3d1e862011-04-29 13:49:08 +0200994 } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) {
995 print_stalled_cycles_frontend(cpu, evsel, avg);
Ingo Molnar129c04c2011-04-29 14:41:28 +0200996 } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) {
Ingo Molnard3d1e862011-04-29 13:49:08 +0200997 print_stalled_cycles_backend(cpu, evsel, avg);
Ingo Molnar481f9882011-04-27 04:34:16 +0200998 } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) {
999 total = avg_stats(&runtime_nsecs_stats[cpu]);
1000
Ramkumar Ramachandrac458fe62013-09-30 16:43:05 +05301001 if (total) {
1002 ratio = avg / total;
1003 fprintf(output, " # %8.3f GHz ", ratio);
1004 }
Andi Kleen4cabc3d2013-08-21 16:47:26 -07001005 } else if (transaction_run &&
1006 perf_evsel__cmp(evsel, nth_evsel(T_CYCLES_IN_TX))) {
1007 total = avg_stats(&runtime_cycles_stats[cpu]);
1008 if (total)
1009 fprintf(output,
1010 " # %5.2f%% transactional cycles ",
1011 100.0 * (avg / total));
1012 } else if (transaction_run &&
1013 perf_evsel__cmp(evsel, nth_evsel(T_CYCLES_IN_TX_CP))) {
1014 total = avg_stats(&runtime_cycles_stats[cpu]);
1015 total2 = avg_stats(&runtime_cycles_in_tx_stats[cpu]);
1016 if (total2 < avg)
1017 total2 = avg;
1018 if (total)
1019 fprintf(output,
1020 " # %5.2f%% aborted cycles ",
1021 100.0 * ((total2-avg) / total));
1022 } else if (transaction_run &&
1023 perf_evsel__cmp(evsel, nth_evsel(T_TRANSACTION_START)) &&
1024 avg > 0 &&
1025 runtime_cycles_in_tx_stats[cpu].n != 0) {
1026 total = avg_stats(&runtime_cycles_in_tx_stats[cpu]);
1027
1028 if (total)
1029 ratio = total / avg;
1030
1031 fprintf(output, " # %8.0f cycles / transaction ", ratio);
1032 } else if (transaction_run &&
1033 perf_evsel__cmp(evsel, nth_evsel(T_ELISION_START)) &&
1034 avg > 0 &&
1035 runtime_cycles_in_tx_stats[cpu].n != 0) {
1036 total = avg_stats(&runtime_cycles_in_tx_stats[cpu]);
1037
1038 if (total)
1039 ratio = total / avg;
1040
1041 fprintf(output, " # %8.0f cycles / elision ", ratio);
Ingo Molnar481f9882011-04-27 04:34:16 +02001042 } else if (runtime_nsecs_stats[cpu].n != 0) {
Namhyung Kim5fde2522012-02-06 16:44:44 +09001043 char unit = 'M';
1044
Ingo Molnar481f9882011-04-27 04:34:16 +02001045 total = avg_stats(&runtime_nsecs_stats[cpu]);
1046
1047 if (total)
1048 ratio = 1000.0 * avg / total;
Namhyung Kim5fde2522012-02-06 16:44:44 +09001049 if (ratio < 0.001) {
1050 ratio *= 1000;
1051 unit = 'K';
1052 }
Ingo Molnar481f9882011-04-27 04:34:16 +02001053
Namhyung Kim5fde2522012-02-06 16:44:44 +09001054 fprintf(output, " # %8.3f %c/sec ", ratio, unit);
Ingo Molnara5d243d2011-04-27 05:39:24 +02001055 } else {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001056 fprintf(output, " ");
Ingo Molnar42202dd2009-06-13 14:57:28 +02001057 }
Ingo Molnar42202dd2009-06-13 14:57:28 +02001058}
1059
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001060static void print_aggr(char *prefix)
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001061{
1062 struct perf_evsel *counter;
Stephane Eranian582ec0822013-07-05 19:06:45 +02001063 int cpu, cpu2, s, s2, id, nr;
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001064 u64 ena, run, val;
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001065
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001066 if (!(aggr_map || aggr_get_id))
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001067 return;
1068
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001069 for (s = 0; s < aggr_map->nr; s++) {
1070 id = aggr_map->map[s];
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001071 list_for_each_entry(counter, &evsel_list->entries, node) {
1072 val = ena = run = 0;
1073 nr = 0;
1074 for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
Stephane Eranian582ec0822013-07-05 19:06:45 +02001075 cpu2 = perf_evsel__cpus(counter)->map[cpu];
1076 s2 = aggr_get_id(evsel_list->cpus, cpu2);
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001077 if (s2 != id)
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001078 continue;
1079 val += counter->counts->cpu[cpu].val;
1080 ena += counter->counts->cpu[cpu].ena;
1081 run += counter->counts->cpu[cpu].run;
1082 nr++;
1083 }
1084 if (prefix)
1085 fprintf(output, "%s", prefix);
1086
1087 if (run == 0 || ena == 0) {
Stephane Eranian582ec0822013-07-05 19:06:45 +02001088 aggr_printout(counter, id, nr);
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001089
1090 fprintf(output, "%*s%s%*s",
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001091 csv_output ? 0 : 18,
1092 counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
1093 csv_sep,
1094 csv_output ? 0 : -24,
1095 perf_evsel__name(counter));
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001096
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001097 if (counter->cgrp)
1098 fprintf(output, "%s%s",
1099 csv_sep, counter->cgrp->name);
1100
1101 fputc('\n', output);
1102 continue;
1103 }
1104
1105 if (nsec_counter(counter))
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001106 nsec_printout(id, nr, counter, val);
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001107 else
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001108 abs_printout(id, nr, counter, val);
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001109
1110 if (!csv_output) {
1111 print_noise(counter, 1.0);
1112
1113 if (run != ena)
1114 fprintf(output, " (%.2f%%)",
1115 100.0 * run / ena);
1116 }
1117 fputc('\n', output);
1118 }
1119 }
1120}
1121
Ingo Molnar42202dd2009-06-13 14:57:28 +02001122/*
1123 * Print out the results of a single counter:
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001124 * aggregated counts in system-wide mode
Ingo Molnar42202dd2009-06-13 14:57:28 +02001125 */
Stephane Eranian13370a92013-01-29 12:47:44 +01001126static void print_counter_aggr(struct perf_evsel *counter, char *prefix)
Ingo Molnar42202dd2009-06-13 14:57:28 +02001127{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -02001128 struct perf_stat *ps = counter->priv;
1129 double avg = avg_stats(&ps->res_stats[0]);
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -02001130 int scaled = counter->counts->scaled;
Ingo Molnar42202dd2009-06-13 14:57:28 +02001131
Stephane Eranian13370a92013-01-29 12:47:44 +01001132 if (prefix)
1133 fprintf(output, "%s", prefix);
1134
Ingo Molnar42202dd2009-06-13 14:57:28 +02001135 if (scaled == -1) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001136 fprintf(output, "%*s%s%*s",
Stephane Eraniand7470b62010-12-01 18:49:05 +02001137 csv_output ? 0 : 18,
David Ahern2cee77c2011-05-30 08:55:59 -06001138 counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
Stephane Eranian023695d2011-02-14 11:20:01 +02001139 csv_sep,
1140 csv_output ? 0 : -24,
Arnaldo Carvalho de Melo7289f832012-06-12 12:34:58 -03001141 perf_evsel__name(counter));
Stephane Eranian023695d2011-02-14 11:20:01 +02001142
1143 if (counter->cgrp)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001144 fprintf(output, "%s%s", csv_sep, counter->cgrp->name);
Stephane Eranian023695d2011-02-14 11:20:01 +02001145
Stephane Eranian4aa90152011-08-15 22:22:33 +02001146 fputc('\n', output);
Ingo Molnar42202dd2009-06-13 14:57:28 +02001147 return;
1148 }
1149
1150 if (nsec_counter(counter))
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001151 nsec_printout(-1, 0, counter, avg);
Ingo Molnar42202dd2009-06-13 14:57:28 +02001152 else
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001153 abs_printout(-1, 0, counter, avg);
Peter Zijlstra849abde2009-09-04 18:23:38 +02001154
Zhengyu He3ae9a34d2011-06-23 13:45:42 -07001155 print_noise(counter, avg);
1156
Stephane Eraniand7470b62010-12-01 18:49:05 +02001157 if (csv_output) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001158 fputc('\n', output);
Stephane Eraniand7470b62010-12-01 18:49:05 +02001159 return;
1160 }
1161
Peter Zijlstra506d4bc2009-09-04 15:36:12 +02001162 if (scaled) {
1163 double avg_enabled, avg_running;
1164
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -02001165 avg_enabled = avg_stats(&ps->res_stats[1]);
1166 avg_running = avg_stats(&ps->res_stats[2]);
Peter Zijlstra506d4bc2009-09-04 15:36:12 +02001167
Stephane Eranian4aa90152011-08-15 22:22:33 +02001168 fprintf(output, " [%5.2f%%]", 100 * avg_running / avg_enabled);
Peter Zijlstra506d4bc2009-09-04 15:36:12 +02001169 }
Stephane Eranian4aa90152011-08-15 22:22:33 +02001170 fprintf(output, "\n");
Ingo Molnar42202dd2009-06-13 14:57:28 +02001171}
1172
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001173/*
1174 * Print out the results of a single counter:
1175 * does not use aggregated count in system-wide
1176 */
Stephane Eranian13370a92013-01-29 12:47:44 +01001177static void print_counter(struct perf_evsel *counter, char *prefix)
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001178{
1179 u64 ena, run, val;
1180 int cpu;
1181
Yan, Zheng7ae92e72012-09-10 15:53:50 +08001182 for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
Arnaldo Carvalho de Meloc52b12e2011-01-03 17:45:52 -02001183 val = counter->counts->cpu[cpu].val;
1184 ena = counter->counts->cpu[cpu].ena;
1185 run = counter->counts->cpu[cpu].run;
Stephane Eranian13370a92013-01-29 12:47:44 +01001186
1187 if (prefix)
1188 fprintf(output, "%s", prefix);
1189
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001190 if (run == 0 || ena == 0) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001191 fprintf(output, "CPU%*d%s%*s%s%*s",
Stephane Eraniand7470b62010-12-01 18:49:05 +02001192 csv_output ? 0 : -4,
Yan, Zheng7ae92e72012-09-10 15:53:50 +08001193 perf_evsel__cpus(counter)->map[cpu], csv_sep,
Stephane Eraniand7470b62010-12-01 18:49:05 +02001194 csv_output ? 0 : 18,
David Ahern2cee77c2011-05-30 08:55:59 -06001195 counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
1196 csv_sep,
Stephane Eranian023695d2011-02-14 11:20:01 +02001197 csv_output ? 0 : -24,
Arnaldo Carvalho de Melo7289f832012-06-12 12:34:58 -03001198 perf_evsel__name(counter));
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001199
Stephane Eranian023695d2011-02-14 11:20:01 +02001200 if (counter->cgrp)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001201 fprintf(output, "%s%s",
1202 csv_sep, counter->cgrp->name);
Stephane Eranian023695d2011-02-14 11:20:01 +02001203
Stephane Eranian4aa90152011-08-15 22:22:33 +02001204 fputc('\n', output);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001205 continue;
1206 }
1207
1208 if (nsec_counter(counter))
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001209 nsec_printout(cpu, 0, counter, val);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001210 else
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001211 abs_printout(cpu, 0, counter, val);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001212
Stephane Eraniand7470b62010-12-01 18:49:05 +02001213 if (!csv_output) {
1214 print_noise(counter, 1.0);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001215
Ingo Molnarc6264de2011-04-27 13:50:47 +02001216 if (run != ena)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001217 fprintf(output, " (%.2f%%)",
1218 100.0 * run / ena);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001219 }
Stephane Eranian4aa90152011-08-15 22:22:33 +02001220 fputc('\n', output);
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001221 }
1222}
1223
Ingo Molnar42202dd2009-06-13 14:57:28 +02001224static void print_stat(int argc, const char **argv)
1225{
Arnaldo Carvalho de Melo69aad6f2011-01-03 16:39:04 -02001226 struct perf_evsel *counter;
1227 int i;
Ingo Molnar42202dd2009-06-13 14:57:28 +02001228
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001229 fflush(stdout);
1230
Stephane Eraniand7470b62010-12-01 18:49:05 +02001231 if (!csv_output) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001232 fprintf(output, "\n");
1233 fprintf(output, " Performance counter stats for ");
David Ahern62d3b612013-09-28 14:27:58 -06001234 if (target.system_wide)
1235 fprintf(output, "\'system wide");
1236 else if (target.cpu_list)
1237 fprintf(output, "\'CPU(s) %s", target.cpu_list);
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001238 else if (!target__has_task(&target)) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001239 fprintf(output, "\'%s", argv[0]);
Stephane Eraniand7470b62010-12-01 18:49:05 +02001240 for (i = 1; i < argc; i++)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001241 fprintf(output, " %s", argv[i]);
Namhyung Kim20f946b2012-04-26 14:15:16 +09001242 } else if (target.pid)
1243 fprintf(output, "process id \'%s", target.pid);
Stephane Eraniand7470b62010-12-01 18:49:05 +02001244 else
Namhyung Kim20f946b2012-04-26 14:15:16 +09001245 fprintf(output, "thread id \'%s", target.tid);
Ingo Molnar44db76c2009-06-03 19:36:07 +02001246
Stephane Eranian4aa90152011-08-15 22:22:33 +02001247 fprintf(output, "\'");
Stephane Eraniand7470b62010-12-01 18:49:05 +02001248 if (run_count > 1)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001249 fprintf(output, " (%d runs)", run_count);
1250 fprintf(output, ":\n\n");
Stephane Eraniand7470b62010-12-01 18:49:05 +02001251 }
Ingo Molnar2996f5d2009-05-29 09:10:54 +02001252
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001253 switch (aggr_mode) {
Stephane Eranian12c08a92013-02-14 13:57:29 +01001254 case AGGR_CORE:
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001255 case AGGR_SOCKET:
1256 print_aggr(NULL);
1257 break;
1258 case AGGR_GLOBAL:
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -02001259 list_for_each_entry(counter, &evsel_list->entries, node)
Stephane Eranian13370a92013-01-29 12:47:44 +01001260 print_counter_aggr(counter, NULL);
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001261 break;
1262 case AGGR_NONE:
1263 list_for_each_entry(counter, &evsel_list->entries, node)
1264 print_counter(counter, NULL);
1265 break;
1266 default:
1267 break;
Stephane Eranianf5b4a9c32010-11-16 11:05:01 +02001268 }
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001269
Stephane Eraniand7470b62010-12-01 18:49:05 +02001270 if (!csv_output) {
Ingo Molnarc3305252011-05-19 14:01:42 +02001271 if (!null_run)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001272 fprintf(output, "\n");
1273 fprintf(output, " %17.9f seconds time elapsed",
Stephane Eraniand7470b62010-12-01 18:49:05 +02001274 avg_stats(&walltime_nsecs_stats)/1e9);
1275 if (run_count > 1) {
Stephane Eranian4aa90152011-08-15 22:22:33 +02001276 fprintf(output, " ");
Ingo Molnarf99844c2011-04-27 05:35:39 +02001277 print_noise_pct(stddev_stats(&walltime_nsecs_stats),
1278 avg_stats(&walltime_nsecs_stats));
Stephane Eraniand7470b62010-12-01 18:49:05 +02001279 }
Stephane Eranian4aa90152011-08-15 22:22:33 +02001280 fprintf(output, "\n\n");
Ingo Molnar566747e2009-06-27 06:24:32 +02001281 }
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001282}
1283
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001284static volatile int signr = -1;
1285
Ingo Molnar52425192009-05-26 09:17:18 +02001286static void skip_signal(int signo)
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001287{
Stephane Eranian13370a92013-01-29 12:47:44 +01001288 if ((child_pid == -1) || interval)
Liming Wang60666c62009-12-31 16:05:50 +08001289 done = 1;
1290
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001291 signr = signo;
Stephane Eraniand07f0b12013-06-04 17:44:26 +02001292 /*
1293 * render child_pid harmless
1294 * won't send SIGTERM to a random
1295 * process in case of race condition
1296 * and fast PID recycling
1297 */
1298 child_pid = -1;
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001299}
1300
1301static void sig_atexit(void)
1302{
Stephane Eraniand07f0b12013-06-04 17:44:26 +02001303 sigset_t set, oset;
1304
1305 /*
1306 * avoid race condition with SIGCHLD handler
1307 * in skip_signal() which is modifying child_pid
1308 * goal is to avoid send SIGTERM to a random
1309 * process
1310 */
1311 sigemptyset(&set);
1312 sigaddset(&set, SIGCHLD);
1313 sigprocmask(SIG_BLOCK, &set, &oset);
1314
Chris Wilson933da832009-10-04 01:35:01 +01001315 if (child_pid != -1)
1316 kill(child_pid, SIGTERM);
1317
Stephane Eraniand07f0b12013-06-04 17:44:26 +02001318 sigprocmask(SIG_SETMASK, &oset, NULL);
1319
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001320 if (signr == -1)
1321 return;
1322
1323 signal(signr, SIG_DFL);
1324 kill(getpid(), signr);
Ingo Molnar52425192009-05-26 09:17:18 +02001325}
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001326
Irina Tirdea1d037ca2012-09-11 01:15:03 +03001327static int stat__set_big_num(const struct option *opt __maybe_unused,
1328 const char *s __maybe_unused, int unset)
Stephane Eraniand7470b62010-12-01 18:49:05 +02001329{
1330 big_num_opt = unset ? 0 : 1;
1331 return 0;
1332}
1333
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001334static int perf_stat_init_aggr_mode(void)
1335{
1336 switch (aggr_mode) {
1337 case AGGR_SOCKET:
1338 if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) {
1339 perror("cannot build socket map");
1340 return -1;
1341 }
1342 aggr_get_id = cpu_map__get_socket;
1343 break;
Stephane Eranian12c08a92013-02-14 13:57:29 +01001344 case AGGR_CORE:
1345 if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) {
1346 perror("cannot build core map");
1347 return -1;
1348 }
1349 aggr_get_id = cpu_map__get_core;
1350 break;
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001351 case AGGR_NONE:
1352 case AGGR_GLOBAL:
1353 default:
1354 break;
1355 }
1356 return 0;
1357}
1358
Andi Kleen4cabc3d2013-08-21 16:47:26 -07001359static int setup_events(const char * const *attrs, unsigned len)
1360{
1361 unsigned i;
1362
1363 for (i = 0; i < len; i++) {
1364 if (parse_events(evsel_list, attrs[i]))
1365 return -1;
1366 }
1367 return 0;
1368}
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001369
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001370/*
1371 * Add default attributes, if there were no attributes specified or
1372 * if -d/--detailed, -d -d or -d -d -d is used:
1373 */
1374static int add_default_attributes(void)
1375{
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001376 struct perf_event_attr default_attrs[] = {
1377
1378 { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK },
1379 { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES },
1380 { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS },
1381 { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS },
1382
1383 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES },
1384 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND },
1385 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND },
1386 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS },
1387 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
1388 { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES },
1389
1390};
1391
1392/*
1393 * Detailed stats (-d), covering the L1 and last level data caches:
1394 */
1395 struct perf_event_attr detailed_attrs[] = {
1396
1397 { .type = PERF_TYPE_HW_CACHE,
1398 .config =
1399 PERF_COUNT_HW_CACHE_L1D << 0 |
1400 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1401 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1402
1403 { .type = PERF_TYPE_HW_CACHE,
1404 .config =
1405 PERF_COUNT_HW_CACHE_L1D << 0 |
1406 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1407 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1408
1409 { .type = PERF_TYPE_HW_CACHE,
1410 .config =
1411 PERF_COUNT_HW_CACHE_LL << 0 |
1412 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1413 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1414
1415 { .type = PERF_TYPE_HW_CACHE,
1416 .config =
1417 PERF_COUNT_HW_CACHE_LL << 0 |
1418 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1419 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1420};
1421
1422/*
1423 * Very detailed stats (-d -d), covering the instruction cache and the TLB caches:
1424 */
1425 struct perf_event_attr very_detailed_attrs[] = {
1426
1427 { .type = PERF_TYPE_HW_CACHE,
1428 .config =
1429 PERF_COUNT_HW_CACHE_L1I << 0 |
1430 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1431 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1432
1433 { .type = PERF_TYPE_HW_CACHE,
1434 .config =
1435 PERF_COUNT_HW_CACHE_L1I << 0 |
1436 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1437 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1438
1439 { .type = PERF_TYPE_HW_CACHE,
1440 .config =
1441 PERF_COUNT_HW_CACHE_DTLB << 0 |
1442 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1443 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1444
1445 { .type = PERF_TYPE_HW_CACHE,
1446 .config =
1447 PERF_COUNT_HW_CACHE_DTLB << 0 |
1448 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1449 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1450
1451 { .type = PERF_TYPE_HW_CACHE,
1452 .config =
1453 PERF_COUNT_HW_CACHE_ITLB << 0 |
1454 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1455 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1456
1457 { .type = PERF_TYPE_HW_CACHE,
1458 .config =
1459 PERF_COUNT_HW_CACHE_ITLB << 0 |
1460 (PERF_COUNT_HW_CACHE_OP_READ << 8) |
1461 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1462
1463};
1464
1465/*
1466 * Very, very detailed stats (-d -d -d), adding prefetch events:
1467 */
1468 struct perf_event_attr very_very_detailed_attrs[] = {
1469
1470 { .type = PERF_TYPE_HW_CACHE,
1471 .config =
1472 PERF_COUNT_HW_CACHE_L1D << 0 |
1473 (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) |
1474 (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) },
1475
1476 { .type = PERF_TYPE_HW_CACHE,
1477 .config =
1478 PERF_COUNT_HW_CACHE_L1D << 0 |
1479 (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) |
1480 (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
1481};
1482
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001483 /* Set attrs if no event is selected and !null_run: */
1484 if (null_run)
1485 return 0;
1486
Andi Kleen4cabc3d2013-08-21 16:47:26 -07001487 if (transaction_run) {
1488 int err;
1489 if (pmu_have_event("cpu", "cycles-ct") &&
1490 pmu_have_event("cpu", "el-start"))
1491 err = setup_events(transaction_attrs,
1492 ARRAY_SIZE(transaction_attrs));
1493 else
1494 err = setup_events(transaction_limited_attrs,
1495 ARRAY_SIZE(transaction_limited_attrs));
1496 if (err < 0) {
1497 fprintf(stderr, "Cannot set up transaction events\n");
1498 return -1;
1499 }
1500 return 0;
1501 }
1502
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001503 if (!evsel_list->nr_entries) {
Arnaldo Carvalho de Melo79695e12012-05-30 13:53:54 -03001504 if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0)
Arnaldo Carvalho de Melo50d08e42011-11-04 09:10:59 -02001505 return -1;
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001506 }
1507
1508 /* Detailed events get appended to the event list: */
1509
1510 if (detailed_run < 1)
1511 return 0;
1512
1513 /* Append detailed run extra attributes: */
Arnaldo Carvalho de Melo79695e12012-05-30 13:53:54 -03001514 if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0)
Arnaldo Carvalho de Melo50d08e42011-11-04 09:10:59 -02001515 return -1;
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001516
1517 if (detailed_run < 2)
1518 return 0;
1519
1520 /* Append very detailed run extra attributes: */
Arnaldo Carvalho de Melo79695e12012-05-30 13:53:54 -03001521 if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0)
Arnaldo Carvalho de Melo50d08e42011-11-04 09:10:59 -02001522 return -1;
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001523
1524 if (detailed_run < 3)
1525 return 0;
1526
1527 /* Append very, very detailed run extra attributes: */
Arnaldo Carvalho de Melo79695e12012-05-30 13:53:54 -03001528 return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs);
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001529}
1530
Irina Tirdea1d037ca2012-09-11 01:15:03 +03001531int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
Ingo Molnar52425192009-05-26 09:17:18 +02001532{
Peter Zijlstra1f16c572012-10-23 13:40:14 +02001533 bool append_file = false;
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001534 int output_fd = 0;
1535 const char *output_name = NULL;
1536 const struct option options[] = {
Andi Kleen4cabc3d2013-08-21 16:47:26 -07001537 OPT_BOOLEAN('T', "transaction", &transaction_run,
1538 "hardware transaction statistics"),
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001539 OPT_CALLBACK('e', "event", &evsel_list, "event",
1540 "event selector. use 'perf list' to list available events",
1541 parse_events_option),
1542 OPT_CALLBACK(0, "filter", &evsel_list, "filter",
1543 "event filter", parse_filter),
1544 OPT_BOOLEAN('i', "no-inherit", &no_inherit,
1545 "child tasks do not inherit counters"),
1546 OPT_STRING('p', "pid", &target.pid, "pid",
1547 "stat events on existing process id"),
1548 OPT_STRING('t', "tid", &target.tid, "tid",
1549 "stat events on existing thread id"),
1550 OPT_BOOLEAN('a', "all-cpus", &target.system_wide,
1551 "system-wide collection from all CPUs"),
1552 OPT_BOOLEAN('g', "group", &group,
1553 "put the counters into a counter group"),
1554 OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"),
1555 OPT_INCR('v', "verbose", &verbose,
1556 "be more verbose (show counter open errors, etc)"),
1557 OPT_INTEGER('r', "repeat", &run_count,
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001558 "repeat command and print average + stddev (max: 100, forever: 0)"),
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001559 OPT_BOOLEAN('n', "null", &null_run,
1560 "null run - dont start any counters"),
1561 OPT_INCR('d', "detailed", &detailed_run,
1562 "detailed run - start a lot of events"),
1563 OPT_BOOLEAN('S', "sync", &sync_run,
1564 "call sync() before starting a run"),
1565 OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL,
1566 "print large numbers with thousands\' separators",
1567 stat__set_big_num),
1568 OPT_STRING('C', "cpu", &target.cpu_list, "cpu",
1569 "list of cpus to monitor in system-wide"),
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001570 OPT_SET_UINT('A', "no-aggr", &aggr_mode,
1571 "disable CPU count aggregation", AGGR_NONE),
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001572 OPT_STRING('x', "field-separator", &csv_sep, "separator",
1573 "print counts with custom separator"),
1574 OPT_CALLBACK('G', "cgroup", &evsel_list, "name",
1575 "monitor event in cgroup name only", parse_cgroups),
1576 OPT_STRING('o', "output", &output_name, "file", "output file name"),
1577 OPT_BOOLEAN(0, "append", &append_file, "append to the output file"),
1578 OPT_INTEGER(0, "log-fd", &output_fd,
1579 "log output to fd, instead of stderr"),
Peter Zijlstra1f16c572012-10-23 13:40:14 +02001580 OPT_STRING(0, "pre", &pre_cmd, "command",
1581 "command to run prior to the measured command"),
1582 OPT_STRING(0, "post", &post_cmd, "command",
1583 "command to run after to the measured command"),
Stephane Eranian13370a92013-01-29 12:47:44 +01001584 OPT_UINTEGER('I', "interval-print", &interval,
1585 "print counts at regular interval in ms (>= 100)"),
Stephane Eraniand4304952013-02-14 13:57:28 +01001586 OPT_SET_UINT(0, "per-socket", &aggr_mode,
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001587 "aggregate counts per processor socket", AGGR_SOCKET),
Stephane Eranian12c08a92013-02-14 13:57:29 +01001588 OPT_SET_UINT(0, "per-core", &aggr_mode,
1589 "aggregate counts per physical processor core", AGGR_CORE),
Andi Kleen41191682013-08-02 17:41:11 -07001590 OPT_UINTEGER('D', "delay", &initial_delay,
1591 "ms to wait before starting measurement after program start"),
Arnaldo Carvalho de Melob070a542012-10-01 15:20:58 -03001592 OPT_END()
1593 };
1594 const char * const stat_usage[] = {
1595 "perf stat [<options>] [<command>]",
1596 NULL
1597 };
Namhyung Kimcc03c542013-11-01 16:33:15 +09001598 int status = -EINVAL, run_idx;
Stephane Eranian4aa90152011-08-15 22:22:33 +02001599 const char *mode;
Ingo Molnar42202dd2009-06-13 14:57:28 +02001600
Stephane Eranian5af52b52010-05-18 15:00:01 +02001601 setlocale(LC_ALL, "");
1602
Namhyung Kim334fe7a2013-03-11 16:43:12 +09001603 evsel_list = perf_evlist__new();
Arnaldo Carvalho de Melo361c99a2011-01-11 20:56:53 -02001604 if (evsel_list == NULL)
1605 return -ENOMEM;
1606
Anton Blancharda0541232009-07-22 23:04:12 +10001607 argc = parse_options(argc, argv, options, stat_usage,
1608 PARSE_OPT_STOP_AT_NON_OPTION);
Stephane Eraniand7470b62010-12-01 18:49:05 +02001609
Stephane Eranian4aa90152011-08-15 22:22:33 +02001610 output = stderr;
1611 if (output_name && strcmp(output_name, "-"))
1612 output = NULL;
1613
Jim Cromie56f3bae2011-09-07 17:14:00 -06001614 if (output_name && output_fd) {
1615 fprintf(stderr, "cannot use both --output and --log-fd\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001616 parse_options_usage(stat_usage, options, "o", 1);
1617 parse_options_usage(NULL, options, "log-fd", 0);
1618 goto out;
Jim Cromie56f3bae2011-09-07 17:14:00 -06001619 }
Stephane Eranianfc3e4d02012-05-15 13:11:11 +02001620
1621 if (output_fd < 0) {
1622 fprintf(stderr, "argument to --log-fd must be a > 0\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001623 parse_options_usage(stat_usage, options, "log-fd", 0);
1624 goto out;
Stephane Eranianfc3e4d02012-05-15 13:11:11 +02001625 }
1626
Stephane Eranian4aa90152011-08-15 22:22:33 +02001627 if (!output) {
1628 struct timespec tm;
1629 mode = append_file ? "a" : "w";
1630
1631 output = fopen(output_name, mode);
1632 if (!output) {
1633 perror("failed to create output file");
David Ahernfceda7f2012-08-26 12:24:44 -06001634 return -1;
Stephane Eranian4aa90152011-08-15 22:22:33 +02001635 }
1636 clock_gettime(CLOCK_REALTIME, &tm);
1637 fprintf(output, "# started on %s\n", ctime(&tm.tv_sec));
Stephane Eranianfc3e4d02012-05-15 13:11:11 +02001638 } else if (output_fd > 0) {
Jim Cromie56f3bae2011-09-07 17:14:00 -06001639 mode = append_file ? "a" : "w";
1640 output = fdopen(output_fd, mode);
1641 if (!output) {
1642 perror("Failed opening logfd");
1643 return -errno;
1644 }
Stephane Eranian4aa90152011-08-15 22:22:33 +02001645 }
1646
Jim Cromied4ffd042011-09-07 17:14:03 -06001647 if (csv_sep) {
Stephane Eraniand7470b62010-12-01 18:49:05 +02001648 csv_output = true;
Jim Cromied4ffd042011-09-07 17:14:03 -06001649 if (!strcmp(csv_sep, "\\t"))
1650 csv_sep = "\t";
1651 } else
Stephane Eraniand7470b62010-12-01 18:49:05 +02001652 csv_sep = DEFAULT_SEPARATOR;
1653
1654 /*
1655 * let the spreadsheet do the pretty-printing
1656 */
1657 if (csv_output) {
Jim Cromie61a9f322011-09-07 17:14:04 -06001658 /* User explicitly passed -B? */
Stephane Eraniand7470b62010-12-01 18:49:05 +02001659 if (big_num_opt == 1) {
1660 fprintf(stderr, "-B option not supported with -x\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001661 parse_options_usage(stat_usage, options, "B", 1);
1662 parse_options_usage(NULL, options, "x", 1);
1663 goto out;
Stephane Eraniand7470b62010-12-01 18:49:05 +02001664 } else /* Nope, so disable big number formatting */
1665 big_num = false;
1666 } else if (big_num_opt == 0) /* User passed --no-big-num */
1667 big_num = false;
1668
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001669 if (!argc && target__none(&target))
Ingo Molnar52425192009-05-26 09:17:18 +02001670 usage_with_options(stat_usage, options);
David Ahernac3063b2013-09-30 07:37:37 -06001671
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001672 if (run_count < 0) {
Namhyung Kimcc03c542013-11-01 16:33:15 +09001673 pr_err("Run count must be a positive number\n");
1674 parse_options_usage(stat_usage, options, "r", 1);
1675 goto out;
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001676 } else if (run_count == 0) {
1677 forever = true;
1678 run_count = 1;
1679 }
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001680
Stephane Eranian023695d2011-02-14 11:20:01 +02001681 /* no_aggr, cgroup are for system-wide only */
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001682 if ((aggr_mode != AGGR_GLOBAL || nr_cgroups) &&
1683 !target__has_cpu(&target)) {
Stephane Eranian023695d2011-02-14 11:20:01 +02001684 fprintf(stderr, "both cgroup and no-aggregation "
1685 "modes only available in system-wide mode\n");
1686
Namhyung Kimcc03c542013-11-01 16:33:15 +09001687 parse_options_usage(stat_usage, options, "G", 1);
1688 parse_options_usage(NULL, options, "A", 1);
1689 parse_options_usage(NULL, options, "a", 1);
1690 goto out;
Stephane Eraniand7e7a452013-02-06 15:46:02 +01001691 }
1692
Ingo Molnar2cba3ff2011-05-19 13:30:56 +02001693 if (add_default_attributes())
1694 goto out;
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001695
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001696 target__validate(&target);
Arnaldo Carvalho de Melo5c98d4662011-01-03 17:53:33 -02001697
Namhyung Kim77a6f012012-05-07 14:09:04 +09001698 if (perf_evlist__create_maps(evsel_list, &target) < 0) {
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001699 if (target__has_task(&target)) {
Namhyung Kim77a6f012012-05-07 14:09:04 +09001700 pr_err("Problems finding threads of monitor\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001701 parse_options_usage(stat_usage, options, "p", 1);
1702 parse_options_usage(NULL, options, "t", 1);
Arnaldo Carvalho de Melo602ad872013-11-12 16:46:16 -03001703 } else if (target__has_cpu(&target)) {
Namhyung Kim77a6f012012-05-07 14:09:04 +09001704 perror("failed to parse CPUs map");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001705 parse_options_usage(stat_usage, options, "C", 1);
1706 parse_options_usage(NULL, options, "a", 1);
1707 }
1708 goto out;
Arnaldo Carvalho de Melo60d567e2011-01-03 17:49:48 -02001709 }
Stephane Eranian13370a92013-01-29 12:47:44 +01001710 if (interval && interval < 100) {
1711 pr_err("print interval must be >= 100ms\n");
Namhyung Kimcc03c542013-11-01 16:33:15 +09001712 parse_options_usage(stat_usage, options, "I", 1);
1713 goto out_free_maps;
Stephane Eranian13370a92013-01-29 12:47:44 +01001714 }
Stephane Eranianc45c6ea2010-05-28 12:00:01 +02001715
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -03001716 if (perf_evlist__alloc_stats(evsel_list, interval))
1717 goto out_free_maps;
Zhang, Yanmind6d901c2010-03-18 11:36:05 -03001718
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001719 if (perf_stat_init_aggr_mode())
Namhyung Kimcc03c542013-11-01 16:33:15 +09001720 goto out_free_maps;
Stephane Eranian86ee6e12013-02-14 13:57:27 +01001721
Ingo Molnar58d7e992009-05-15 11:03:23 +02001722 /*
1723 * We dont want to block the signals - that would cause
1724 * child tasks to inherit that and Ctrl-C would not work.
1725 * What we want is for Ctrl-C to work in the exec()-ed
1726 * task, but being ignored by perf stat itself:
1727 */
Peter Zijlstraf7b7c262009-06-10 15:55:59 +02001728 atexit(sig_atexit);
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001729 if (!forever)
1730 signal(SIGINT, skip_signal);
Stephane Eranian13370a92013-01-29 12:47:44 +01001731 signal(SIGCHLD, skip_signal);
Ingo Molnar58d7e992009-05-15 11:03:23 +02001732 signal(SIGALRM, skip_signal);
1733 signal(SIGABRT, skip_signal);
1734
Ingo Molnar42202dd2009-06-13 14:57:28 +02001735 status = 0;
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001736 for (run_idx = 0; forever || run_idx < run_count; run_idx++) {
Ingo Molnar42202dd2009-06-13 14:57:28 +02001737 if (run_count != 1 && verbose)
Stephane Eranian4aa90152011-08-15 22:22:33 +02001738 fprintf(output, "[ perf stat: executing run #%d ... ]\n",
1739 run_idx + 1);
Ingo Molnarf9cef0a2011-04-28 18:17:11 +02001740
Ingo Molnar42202dd2009-06-13 14:57:28 +02001741 status = run_perf_stat(argc, argv);
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001742 if (forever && status != -1) {
1743 print_stat(argc, argv);
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -03001744 perf_stat__reset_stats(evsel_list);
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001745 }
Ingo Molnar42202dd2009-06-13 14:57:28 +02001746 }
1747
Frederik Deweerdta7e191c2013-03-01 13:02:27 -05001748 if (!forever && status != -1 && !interval)
Arnaldo Carvalho de Melo084ab9f2010-03-22 13:10:28 -03001749 print_stat(argc, argv);
Arnaldo Carvalho de Melod134ffb2013-03-18 11:24:21 -03001750
1751 perf_evlist__free_stats(evsel_list);
1752out_free_maps:
Arnaldo Carvalho de Melo7e2ed092011-01-30 11:59:43 -02001753 perf_evlist__delete_maps(evsel_list);
Arnaldo Carvalho de Melo0015e2e2011-02-01 16:18:10 -02001754out:
1755 perf_evlist__delete(evsel_list);
Ingo Molnar42202dd2009-06-13 14:57:28 +02001756 return status;
Ingo Molnarddcacfa2009-04-20 15:37:32 +02001757}