Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1 | /* |
Ingo Molnar | bf9e187 | 2009-06-02 23:37:05 +0200 | [diff] [blame] | 2 | * builtin-stat.c |
| 3 | * |
| 4 | * Builtin stat command: Give a precise performance counters summary |
| 5 | * overview about any workload, CPU or specific PID. |
| 6 | * |
| 7 | * Sample output: |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 8 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 9 | $ perf stat ./hackbench 10 |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 10 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 11 | Time: 0.118 |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 12 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 13 | Performance counter stats for './hackbench 10': |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 14 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 15 | 1708.761321 task-clock # 11.037 CPUs utilized |
| 16 | 41,190 context-switches # 0.024 M/sec |
| 17 | 6,735 CPU-migrations # 0.004 M/sec |
| 18 | 17,318 page-faults # 0.010 M/sec |
| 19 | 5,205,202,243 cycles # 3.046 GHz |
| 20 | 3,856,436,920 stalled-cycles-frontend # 74.09% frontend cycles idle |
| 21 | 1,600,790,871 stalled-cycles-backend # 30.75% backend cycles idle |
| 22 | 2,603,501,247 instructions # 0.50 insns per cycle |
| 23 | # 1.48 stalled cycles per insn |
| 24 | 484,357,498 branches # 283.455 M/sec |
| 25 | 6,388,934 branch-misses # 1.32% of all branches |
| 26 | |
| 27 | 0.154822978 seconds time elapsed |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 28 | |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 29 | * |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 30 | * Copyright (C) 2008-2011, Red Hat Inc, Ingo Molnar <mingo@redhat.com> |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 31 | * |
| 32 | * Improvements and fixes by: |
| 33 | * |
| 34 | * Arjan van de Ven <arjan@linux.intel.com> |
| 35 | * Yanmin Zhang <yanmin.zhang@intel.com> |
| 36 | * Wu Fengguang <fengguang.wu@intel.com> |
| 37 | * Mike Galbraith <efault@gmx.de> |
| 38 | * Paul Mackerras <paulus@samba.org> |
Jaswinder Singh Rajput | 6e750a8f | 2009-06-27 03:02:07 +0530 | [diff] [blame] | 39 | * Jaswinder Singh Rajput <jaswinder@kernel.org> |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 40 | * |
| 41 | * Released under the GPL v2. (and only v2, not any later version) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 42 | */ |
| 43 | |
Peter Zijlstra | 1a482f3 | 2009-05-23 18:28:58 +0200 | [diff] [blame] | 44 | #include "perf.h" |
Ingo Molnar | 16f762a | 2009-05-27 09:10:38 +0200 | [diff] [blame] | 45 | #include "builtin.h" |
Ingo Molnar | 148be2c | 2009-04-27 08:02:14 +0200 | [diff] [blame] | 46 | #include "util/util.h" |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 47 | #include "util/parse-options.h" |
| 48 | #include "util/parse-events.h" |
Frederic Weisbecker | 8f28827a | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 49 | #include "util/event.h" |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 50 | #include "util/evlist.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 51 | #include "util/evsel.h" |
Frederic Weisbecker | 8f28827a | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 52 | #include "util/debug.h" |
Ingo Molnar | a5d243d | 2011-04-27 05:39:24 +0200 | [diff] [blame] | 53 | #include "util/color.h" |
Xiao Guangrong | 0007ece | 2012-09-17 16:31:14 +0800 | [diff] [blame] | 54 | #include "util/stat.h" |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 55 | #include "util/header.h" |
Paul Mackerras | a12b51c | 2010-03-10 20:36:09 +1100 | [diff] [blame] | 56 | #include "util/cpumap.h" |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 57 | #include "util/thread.h" |
Arnaldo Carvalho de Melo | fd78260 | 2011-01-18 15:15:24 -0200 | [diff] [blame] | 58 | #include "util/thread_map.h" |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 59 | |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 60 | #include <stdlib.h> |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 61 | #include <sys/prctl.h> |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 62 | #include <locale.h> |
Peter Zijlstra | 16c8a10 | 2009-05-05 17:50:27 +0200 | [diff] [blame] | 63 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 64 | #define DEFAULT_SEPARATOR " " |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 65 | #define CNTR_NOT_SUPPORTED "<not supported>" |
| 66 | #define CNTR_NOT_COUNTED "<not counted>" |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 67 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 68 | static void print_stat(int argc, const char **argv); |
| 69 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix); |
| 70 | static void print_counter(struct perf_evsel *counter, char *prefix); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 71 | static void print_aggr(char *prefix); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 72 | |
Robert Richter | 666e6d4 | 2012-04-05 18:26:27 +0200 | [diff] [blame] | 73 | static struct perf_evlist *evsel_list; |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 74 | |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 75 | static struct perf_target target = { |
| 76 | .uid = UINT_MAX, |
| 77 | }; |
Jaswinder Singh Rajput | 3d63259 | 2009-06-24 18:19:34 +0530 | [diff] [blame] | 78 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 79 | enum aggr_mode { |
| 80 | AGGR_NONE, |
| 81 | AGGR_GLOBAL, |
| 82 | AGGR_SOCKET, |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 83 | AGGR_CORE, |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 84 | }; |
| 85 | |
Jaswinder Singh Rajput | 3d63259 | 2009-06-24 18:19:34 +0530 | [diff] [blame] | 86 | static int run_count = 1; |
Stephane Eranian | 2e6cdf9 | 2010-05-12 10:40:01 +0200 | [diff] [blame] | 87 | static bool no_inherit = false; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 88 | static bool scale = true; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 89 | static enum aggr_mode aggr_mode = AGGR_GLOBAL; |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 90 | static volatile pid_t child_pid = -1; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 91 | static bool null_run = false; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 92 | static int detailed_run = 0; |
Arnaldo Carvalho de Melo | 201e0b0 | 2010-12-01 17:53:27 -0200 | [diff] [blame] | 93 | static bool big_num = true; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 94 | static int big_num_opt = -1; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 95 | static const char *csv_sep = NULL; |
| 96 | static bool csv_output = false; |
Lin Ming | 43bece7 | 2011-08-17 18:42:07 +0800 | [diff] [blame] | 97 | static bool group = false; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 98 | static FILE *output = NULL; |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 99 | static const char *pre_cmd = NULL; |
| 100 | static const char *post_cmd = NULL; |
| 101 | static bool sync_run = false; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 102 | static unsigned int interval = 0; |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame^] | 103 | static unsigned int initial_delay = 0; |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 104 | static bool forever = false; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 105 | static struct timespec ref_time; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 106 | static struct cpu_map *aggr_map; |
| 107 | static int (*aggr_get_id)(struct cpu_map *m, int cpu); |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 108 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 109 | static volatile int done = 0; |
| 110 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 111 | struct perf_stat { |
| 112 | struct stats res_stats[3]; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 113 | }; |
| 114 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 115 | static inline void diff_timespec(struct timespec *r, struct timespec *a, |
| 116 | struct timespec *b) |
| 117 | { |
| 118 | r->tv_sec = a->tv_sec - b->tv_sec; |
| 119 | if (a->tv_nsec < b->tv_nsec) { |
| 120 | r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; |
| 121 | r->tv_sec--; |
| 122 | } else { |
| 123 | r->tv_nsec = a->tv_nsec - b->tv_nsec ; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel) |
| 128 | { |
| 129 | return (evsel->cpus && !target.cpu_list) ? evsel->cpus : evsel_list->cpus; |
| 130 | } |
| 131 | |
| 132 | static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel) |
| 133 | { |
| 134 | return perf_evsel__cpus(evsel)->nr; |
| 135 | } |
| 136 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 137 | static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel) |
| 138 | { |
| 139 | memset(evsel->priv, 0, sizeof(struct perf_stat)); |
| 140 | } |
| 141 | |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 142 | static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 143 | { |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 144 | evsel->priv = zalloc(sizeof(struct perf_stat)); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 145 | return evsel->priv == NULL ? -ENOMEM : 0; |
| 146 | } |
| 147 | |
| 148 | static void perf_evsel__free_stat_priv(struct perf_evsel *evsel) |
| 149 | { |
| 150 | free(evsel->priv); |
| 151 | evsel->priv = NULL; |
| 152 | } |
| 153 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 154 | static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel) |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 155 | { |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 156 | void *addr; |
| 157 | size_t sz; |
| 158 | |
| 159 | sz = sizeof(*evsel->counts) + |
| 160 | (perf_evsel__nr_cpus(evsel) * sizeof(struct perf_counts_values)); |
| 161 | |
| 162 | addr = zalloc(sz); |
| 163 | if (!addr) |
| 164 | return -ENOMEM; |
| 165 | |
| 166 | evsel->prev_raw_counts = addr; |
| 167 | |
| 168 | return 0; |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 169 | } |
| 170 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 171 | static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel) |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 172 | { |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 173 | free(evsel->prev_raw_counts); |
| 174 | evsel->prev_raw_counts = NULL; |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 175 | } |
| 176 | |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 177 | static void perf_evlist__free_stats(struct perf_evlist *evlist) |
| 178 | { |
| 179 | struct perf_evsel *evsel; |
| 180 | |
| 181 | list_for_each_entry(evsel, &evlist->entries, node) { |
| 182 | perf_evsel__free_stat_priv(evsel); |
| 183 | perf_evsel__free_counts(evsel); |
| 184 | perf_evsel__free_prev_raw_counts(evsel); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw) |
| 189 | { |
| 190 | struct perf_evsel *evsel; |
| 191 | |
| 192 | list_for_each_entry(evsel, &evlist->entries, node) { |
| 193 | if (perf_evsel__alloc_stat_priv(evsel) < 0 || |
| 194 | perf_evsel__alloc_counts(evsel, perf_evsel__nr_cpus(evsel)) < 0 || |
| 195 | (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel) < 0)) |
| 196 | goto out_free; |
| 197 | } |
| 198 | |
| 199 | return 0; |
| 200 | |
| 201 | out_free: |
| 202 | perf_evlist__free_stats(evlist); |
| 203 | return -1; |
| 204 | } |
| 205 | |
Robert Richter | 666e6d4 | 2012-04-05 18:26:27 +0200 | [diff] [blame] | 206 | static struct stats runtime_nsecs_stats[MAX_NR_CPUS]; |
| 207 | static struct stats runtime_cycles_stats[MAX_NR_CPUS]; |
| 208 | static struct stats runtime_stalled_cycles_front_stats[MAX_NR_CPUS]; |
| 209 | static struct stats runtime_stalled_cycles_back_stats[MAX_NR_CPUS]; |
| 210 | static struct stats runtime_branches_stats[MAX_NR_CPUS]; |
| 211 | static struct stats runtime_cacherefs_stats[MAX_NR_CPUS]; |
| 212 | static struct stats runtime_l1_dcache_stats[MAX_NR_CPUS]; |
| 213 | static struct stats runtime_l1_icache_stats[MAX_NR_CPUS]; |
| 214 | static struct stats runtime_ll_cache_stats[MAX_NR_CPUS]; |
| 215 | static struct stats runtime_itlb_cache_stats[MAX_NR_CPUS]; |
| 216 | static struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS]; |
| 217 | static struct stats walltime_nsecs_stats; |
Ingo Molnar | be1ac0d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 218 | |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 219 | static void perf_stat__reset_stats(struct perf_evlist *evlist) |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 220 | { |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 221 | struct perf_evsel *evsel; |
| 222 | |
| 223 | list_for_each_entry(evsel, &evlist->entries, node) { |
| 224 | perf_evsel__reset_stat_priv(evsel); |
| 225 | perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel)); |
| 226 | } |
| 227 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 228 | memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats)); |
| 229 | memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats)); |
| 230 | memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats)); |
| 231 | memset(runtime_stalled_cycles_back_stats, 0, sizeof(runtime_stalled_cycles_back_stats)); |
| 232 | memset(runtime_branches_stats, 0, sizeof(runtime_branches_stats)); |
| 233 | memset(runtime_cacherefs_stats, 0, sizeof(runtime_cacherefs_stats)); |
| 234 | memset(runtime_l1_dcache_stats, 0, sizeof(runtime_l1_dcache_stats)); |
| 235 | memset(runtime_l1_icache_stats, 0, sizeof(runtime_l1_icache_stats)); |
| 236 | memset(runtime_ll_cache_stats, 0, sizeof(runtime_ll_cache_stats)); |
| 237 | memset(runtime_itlb_cache_stats, 0, sizeof(runtime_itlb_cache_stats)); |
| 238 | memset(runtime_dtlb_cache_stats, 0, sizeof(runtime_dtlb_cache_stats)); |
| 239 | memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats)); |
| 240 | } |
| 241 | |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 242 | static int create_perf_stat_counter(struct perf_evsel *evsel) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 243 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 244 | struct perf_event_attr *attr = &evsel->attr; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 245 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 246 | if (scale) |
Ingo Molnar | a21ca2c | 2009-06-06 09:58:57 +0200 | [diff] [blame] | 247 | attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | |
| 248 | PERF_FORMAT_TOTAL_TIME_RUNNING; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 249 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 250 | attr->inherit = !no_inherit; |
Arnaldo Carvalho de Melo | 5d2cd90 | 2011-04-14 11:20:14 -0300 | [diff] [blame] | 251 | |
Arnaldo Carvalho de Melo | 594ac61 | 2012-12-13 13:13:07 -0300 | [diff] [blame] | 252 | if (perf_target__has_cpu(&target)) |
| 253 | return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); |
Stephane Eranian | 5622c07 | 2012-04-27 14:45:38 +0200 | [diff] [blame] | 254 | |
Arnaldo Carvalho de Melo | 07ac002 | 2012-11-13 17:27:28 -0300 | [diff] [blame] | 255 | if (!perf_target__has_task(&target) && |
Namhyung Kim | 823254e | 2012-11-29 15:38:30 +0900 | [diff] [blame] | 256 | perf_evsel__is_group_leader(evsel)) { |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 257 | attr->disabled = 1; |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame^] | 258 | if (!initial_delay) |
| 259 | attr->enable_on_exec = 1; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 260 | } |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 261 | |
Arnaldo Carvalho de Melo | 594ac61 | 2012-12-13 13:13:07 -0300 | [diff] [blame] | 262 | return perf_evsel__open_per_thread(evsel, evsel_list->threads); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 263 | } |
| 264 | |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 265 | /* |
| 266 | * Does the counter have nsecs as a unit? |
| 267 | */ |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 268 | static inline int nsec_counter(struct perf_evsel *evsel) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 269 | { |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 270 | if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || |
| 271 | perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 272 | return 1; |
| 273 | |
| 274 | return 0; |
| 275 | } |
| 276 | |
| 277 | /* |
Ingo Molnar | dcd9936 | 2011-04-27 04:36:37 +0200 | [diff] [blame] | 278 | * Update various tracking values we maintain to print |
| 279 | * more semantic information such as miss/hit ratios, |
| 280 | * instruction rates, etc: |
| 281 | */ |
| 282 | static void update_shadow_stats(struct perf_evsel *counter, u64 *count) |
| 283 | { |
| 284 | if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK)) |
| 285 | update_stats(&runtime_nsecs_stats[0], count[0]); |
| 286 | else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) |
| 287 | update_stats(&runtime_cycles_stats[0], count[0]); |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 288 | else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) |
| 289 | update_stats(&runtime_stalled_cycles_front_stats[0], count[0]); |
Ingo Molnar | 129c04c | 2011-04-29 14:41:28 +0200 | [diff] [blame] | 290 | else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND)) |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 291 | update_stats(&runtime_stalled_cycles_back_stats[0], count[0]); |
Ingo Molnar | dcd9936 | 2011-04-27 04:36:37 +0200 | [diff] [blame] | 292 | else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS)) |
| 293 | update_stats(&runtime_branches_stats[0], count[0]); |
| 294 | else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES)) |
| 295 | update_stats(&runtime_cacherefs_stats[0], count[0]); |
Ingo Molnar | 8bb6c79 | 2011-04-27 13:25:24 +0200 | [diff] [blame] | 296 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D)) |
| 297 | update_stats(&runtime_l1_dcache_stats[0], count[0]); |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 298 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I)) |
| 299 | update_stats(&runtime_l1_icache_stats[0], count[0]); |
| 300 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL)) |
| 301 | update_stats(&runtime_ll_cache_stats[0], count[0]); |
| 302 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB)) |
| 303 | update_stats(&runtime_dtlb_cache_stats[0], count[0]); |
| 304 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB)) |
| 305 | update_stats(&runtime_itlb_cache_stats[0], count[0]); |
Ingo Molnar | dcd9936 | 2011-04-27 04:36:37 +0200 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | /* |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 309 | * Read out the results of a single counter: |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 310 | * aggregate counts across CPUs in system-wide mode |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 311 | */ |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 312 | static int read_counter_aggr(struct perf_evsel *counter) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 313 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 314 | struct perf_stat *ps = counter->priv; |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 315 | u64 *count = counter->counts->aggr.values; |
| 316 | int i; |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 317 | |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 318 | if (__perf_evsel__read(counter, perf_evsel__nr_cpus(counter), |
Namhyung Kim | b3a319d | 2013-03-11 16:43:14 +0900 | [diff] [blame] | 319 | thread_map__nr(evsel_list->threads), scale) < 0) |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 320 | return -1; |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 321 | |
| 322 | for (i = 0; i < 3; i++) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 323 | update_stats(&ps->res_stats[i], count[i]); |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 324 | |
| 325 | if (verbose) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 326 | fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 327 | perf_evsel__name(counter), count[0], count[1], count[2]); |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 328 | } |
| 329 | |
Ingo Molnar | be1ac0d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 330 | /* |
| 331 | * Save the full runtime - to allow normalization during printout: |
| 332 | */ |
Ingo Molnar | dcd9936 | 2011-04-27 04:36:37 +0200 | [diff] [blame] | 333 | update_shadow_stats(counter, count); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 334 | |
| 335 | return 0; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 336 | } |
| 337 | |
| 338 | /* |
| 339 | * Read out the results of a single counter: |
| 340 | * do not aggregate counts across CPUs in system-wide mode |
| 341 | */ |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 342 | static int read_counter(struct perf_evsel *counter) |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 343 | { |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 344 | u64 *count; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 345 | int cpu; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 346 | |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 347 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 348 | if (__perf_evsel__read_on_cpu(counter, cpu, 0, scale) < 0) |
| 349 | return -1; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 350 | |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 351 | count = counter->counts->cpu[cpu].values; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 352 | |
Ingo Molnar | dcd9936 | 2011-04-27 04:36:37 +0200 | [diff] [blame] | 353 | update_shadow_stats(counter, count); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 354 | } |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 355 | |
| 356 | return 0; |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 357 | } |
| 358 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 359 | static void print_interval(void) |
| 360 | { |
| 361 | static int num_print_interval; |
| 362 | struct perf_evsel *counter; |
| 363 | struct perf_stat *ps; |
| 364 | struct timespec ts, rs; |
| 365 | char prefix[64]; |
| 366 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 367 | if (aggr_mode == AGGR_GLOBAL) { |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 368 | list_for_each_entry(counter, &evsel_list->entries, node) { |
| 369 | ps = counter->priv; |
| 370 | memset(ps->res_stats, 0, sizeof(ps->res_stats)); |
| 371 | read_counter_aggr(counter); |
| 372 | } |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 373 | } else { |
| 374 | list_for_each_entry(counter, &evsel_list->entries, node) { |
| 375 | ps = counter->priv; |
| 376 | memset(ps->res_stats, 0, sizeof(ps->res_stats)); |
| 377 | read_counter(counter); |
| 378 | } |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 379 | } |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 380 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 381 | clock_gettime(CLOCK_MONOTONIC, &ts); |
| 382 | diff_timespec(&rs, &ts, &ref_time); |
| 383 | sprintf(prefix, "%6lu.%09lu%s", rs.tv_sec, rs.tv_nsec, csv_sep); |
| 384 | |
| 385 | if (num_print_interval == 0 && !csv_output) { |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 386 | switch (aggr_mode) { |
| 387 | case AGGR_SOCKET: |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 388 | fprintf(output, "# time socket cpus counts events\n"); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 389 | break; |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 390 | case AGGR_CORE: |
| 391 | fprintf(output, "# time core cpus counts events\n"); |
| 392 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 393 | case AGGR_NONE: |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 394 | fprintf(output, "# time CPU counts events\n"); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 395 | break; |
| 396 | case AGGR_GLOBAL: |
| 397 | default: |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 398 | fprintf(output, "# time counts events\n"); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 399 | } |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 400 | } |
| 401 | |
| 402 | if (++num_print_interval == 25) |
| 403 | num_print_interval = 0; |
| 404 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 405 | switch (aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 406 | case AGGR_CORE: |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 407 | case AGGR_SOCKET: |
| 408 | print_aggr(prefix); |
| 409 | break; |
| 410 | case AGGR_NONE: |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 411 | list_for_each_entry(counter, &evsel_list->entries, node) |
| 412 | print_counter(counter, prefix); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 413 | break; |
| 414 | case AGGR_GLOBAL: |
| 415 | default: |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 416 | list_for_each_entry(counter, &evsel_list->entries, node) |
| 417 | print_counter_aggr(counter, prefix); |
| 418 | } |
| 419 | } |
| 420 | |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame^] | 421 | static void handle_initial_delay(void) |
| 422 | { |
| 423 | struct perf_evsel *counter; |
| 424 | |
| 425 | if (initial_delay) { |
| 426 | const int ncpus = cpu_map__nr(evsel_list->cpus), |
| 427 | nthreads = thread_map__nr(evsel_list->threads); |
| 428 | |
| 429 | usleep(initial_delay * 1000); |
| 430 | list_for_each_entry(counter, &evsel_list->entries, node) |
| 431 | perf_evsel__enable(counter, ncpus, nthreads); |
| 432 | } |
| 433 | } |
| 434 | |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 435 | static int __run_perf_stat(int argc, const char **argv) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 436 | { |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 437 | char msg[512]; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 438 | unsigned long long t0, t1; |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 439 | struct perf_evsel *counter; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 440 | struct timespec ts; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 441 | int status = 0; |
Zhang, Yanmin | 6be2850 | 2010-03-18 11:36:03 -0300 | [diff] [blame] | 442 | const bool forks = (argc > 0); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 443 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 444 | if (interval) { |
| 445 | ts.tv_sec = interval / 1000; |
| 446 | ts.tv_nsec = (interval % 1000) * 1000000; |
| 447 | } else { |
| 448 | ts.tv_sec = 1; |
| 449 | ts.tv_nsec = 0; |
| 450 | } |
| 451 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 452 | if (forks) { |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 453 | if (perf_evlist__prepare_workload(evsel_list, &target, argv, |
| 454 | false, false) < 0) { |
| 455 | perror("failed to prepare workload"); |
| 456 | return -1; |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 457 | } |
Paul Mackerras | 051ae7f | 2009-06-29 21:13:21 +1000 | [diff] [blame] | 458 | } |
| 459 | |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 460 | if (group) |
Arnaldo Carvalho de Melo | 63dab22 | 2012-08-14 16:35:48 -0300 | [diff] [blame] | 461 | perf_evlist__set_leader(evsel_list); |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 462 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 463 | list_for_each_entry(counter, &evsel_list->entries, node) { |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 464 | if (create_perf_stat_counter(counter) < 0) { |
David Ahern | 979987a | 2012-05-08 09:29:16 -0600 | [diff] [blame] | 465 | /* |
| 466 | * PPC returns ENXIO for HW counters until 2.6.37 |
| 467 | * (behavior changed with commit b0a873e). |
| 468 | */ |
Anton Blanchard | 38f6ae1 | 2011-12-02 09:38:33 +1100 | [diff] [blame] | 469 | if (errno == EINVAL || errno == ENOSYS || |
David Ahern | 979987a | 2012-05-08 09:29:16 -0600 | [diff] [blame] | 470 | errno == ENOENT || errno == EOPNOTSUPP || |
| 471 | errno == ENXIO) { |
David Ahern | c63ca0c | 2011-04-29 16:04:15 -0600 | [diff] [blame] | 472 | if (verbose) |
| 473 | ui__warning("%s event is not supported by the kernel.\n", |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 474 | perf_evsel__name(counter)); |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 475 | counter->supported = false; |
Ingo Molnar | ede7029 | 2011-04-28 08:48:42 +0200 | [diff] [blame] | 476 | continue; |
David Ahern | c63ca0c | 2011-04-29 16:04:15 -0600 | [diff] [blame] | 477 | } |
Ingo Molnar | ede7029 | 2011-04-28 08:48:42 +0200 | [diff] [blame] | 478 | |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 479 | perf_evsel__open_strerror(counter, &target, |
| 480 | errno, msg, sizeof(msg)); |
| 481 | ui__error("%s\n", msg); |
| 482 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 483 | if (child_pid != -1) |
| 484 | kill(child_pid, SIGTERM); |
David Ahern | fceda7f | 2012-08-26 12:24:44 -0600 | [diff] [blame] | 485 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 486 | return -1; |
| 487 | } |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 488 | counter->supported = true; |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 489 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 490 | |
Arnaldo Carvalho de Melo | 1491a63 | 2012-09-26 14:43:13 -0300 | [diff] [blame] | 491 | if (perf_evlist__apply_filters(evsel_list)) { |
Frederic Weisbecker | cfd748a | 2011-03-14 16:40:30 +0100 | [diff] [blame] | 492 | error("failed to set filter with %d (%s)\n", errno, |
| 493 | strerror(errno)); |
| 494 | return -1; |
| 495 | } |
| 496 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 497 | /* |
| 498 | * Enable counters and exec the command: |
| 499 | */ |
| 500 | t0 = rdclock(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 501 | clock_gettime(CLOCK_MONOTONIC, &ref_time); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 502 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 503 | if (forks) { |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 504 | perf_evlist__start_workload(evsel_list); |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame^] | 505 | handle_initial_delay(); |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 506 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 507 | if (interval) { |
| 508 | while (!waitpid(child_pid, &status, WNOHANG)) { |
| 509 | nanosleep(&ts, NULL); |
| 510 | print_interval(); |
| 511 | } |
| 512 | } |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 513 | wait(&status); |
Andi Kleen | 33e49ea | 2011-09-15 14:31:40 -0700 | [diff] [blame] | 514 | if (WIFSIGNALED(status)) |
| 515 | psignal(WTERMSIG(status), argv[0]); |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 516 | } else { |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame^] | 517 | handle_initial_delay(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 518 | while (!done) { |
| 519 | nanosleep(&ts, NULL); |
| 520 | if (interval) |
| 521 | print_interval(); |
| 522 | } |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 523 | } |
Ingo Molnar | 44db76c | 2009-06-03 19:36:07 +0200 | [diff] [blame] | 524 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 525 | t1 = rdclock(); |
| 526 | |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 527 | update_stats(&walltime_nsecs_stats, t1 - t0); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 528 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 529 | if (aggr_mode == AGGR_GLOBAL) { |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 530 | list_for_each_entry(counter, &evsel_list->entries, node) { |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 531 | read_counter_aggr(counter); |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 532 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), |
Namhyung Kim | b3a319d | 2013-03-11 16:43:14 +0900 | [diff] [blame] | 533 | thread_map__nr(evsel_list->threads)); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 534 | } |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 535 | } else { |
| 536 | list_for_each_entry(counter, &evsel_list->entries, node) { |
| 537 | read_counter(counter); |
| 538 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 1); |
| 539 | } |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 540 | } |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 541 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 542 | return WEXITSTATUS(status); |
| 543 | } |
| 544 | |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 545 | static int run_perf_stat(int argc __maybe_unused, const char **argv) |
| 546 | { |
| 547 | int ret; |
| 548 | |
| 549 | if (pre_cmd) { |
| 550 | ret = system(pre_cmd); |
| 551 | if (ret) |
| 552 | return ret; |
| 553 | } |
| 554 | |
| 555 | if (sync_run) |
| 556 | sync(); |
| 557 | |
| 558 | ret = __run_perf_stat(argc, argv); |
| 559 | if (ret) |
| 560 | return ret; |
| 561 | |
| 562 | if (post_cmd) { |
| 563 | ret = system(post_cmd); |
| 564 | if (ret) |
| 565 | return ret; |
| 566 | } |
| 567 | |
| 568 | return ret; |
| 569 | } |
| 570 | |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 571 | static void print_noise_pct(double total, double avg) |
| 572 | { |
Xiao Guangrong | 0007ece | 2012-09-17 16:31:14 +0800 | [diff] [blame] | 573 | double pct = rel_stddev_stats(total, avg); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 574 | |
Zhengyu He | 3ae9a34d | 2011-06-23 13:45:42 -0700 | [diff] [blame] | 575 | if (csv_output) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 576 | fprintf(output, "%s%.2f%%", csv_sep, pct); |
Jim Cromie | a1bca6c | 2011-09-07 17:14:02 -0600 | [diff] [blame] | 577 | else if (pct) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 578 | fprintf(output, " ( +-%6.2f%% )", pct); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 579 | } |
| 580 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 581 | static void print_noise(struct perf_evsel *evsel, double avg) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 582 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 583 | struct perf_stat *ps; |
| 584 | |
Peter Zijlstra | 849abde | 2009-09-04 18:23:38 +0200 | [diff] [blame] | 585 | if (run_count == 1) |
| 586 | return; |
| 587 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 588 | ps = evsel->priv; |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 589 | print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 590 | } |
| 591 | |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 592 | static void aggr_printout(struct perf_evsel *evsel, int id, int nr) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 593 | { |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 594 | switch (aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 595 | case AGGR_CORE: |
| 596 | fprintf(output, "S%d-C%*d%s%*d%s", |
| 597 | cpu_map__id_to_socket(id), |
| 598 | csv_output ? 0 : -8, |
| 599 | cpu_map__id_to_cpu(id), |
| 600 | csv_sep, |
| 601 | csv_output ? 0 : 4, |
| 602 | nr, |
| 603 | csv_sep); |
| 604 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 605 | case AGGR_SOCKET: |
| 606 | fprintf(output, "S%*d%s%*d%s", |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 607 | csv_output ? 0 : -5, |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 608 | id, |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 609 | csv_sep, |
| 610 | csv_output ? 0 : 4, |
| 611 | nr, |
| 612 | csv_sep); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 613 | break; |
| 614 | case AGGR_NONE: |
| 615 | fprintf(output, "CPU%*d%s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 616 | csv_output ? 0 : -4, |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 617 | perf_evsel__cpus(evsel)->map[id], csv_sep); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 618 | break; |
| 619 | case AGGR_GLOBAL: |
| 620 | default: |
| 621 | break; |
| 622 | } |
| 623 | } |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 624 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 625 | static void nsec_printout(int cpu, int nr, struct perf_evsel *evsel, double avg) |
| 626 | { |
| 627 | double msecs = avg / 1e6; |
| 628 | const char *fmt = csv_output ? "%.6f%s%s" : "%18.6f%s%-25s"; |
| 629 | |
| 630 | aggr_printout(evsel, cpu, nr); |
| 631 | |
| 632 | fprintf(output, fmt, msecs, csv_sep, perf_evsel__name(evsel)); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 633 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 634 | if (evsel->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 635 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 636 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 637 | if (csv_output || interval) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 638 | return; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 639 | |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 640 | if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 641 | fprintf(output, " # %8.3f CPUs utilized ", |
| 642 | avg / avg_stats(&walltime_nsecs_stats)); |
Namhyung Kim | 9dac6a2 | 2012-02-06 16:44:45 +0900 | [diff] [blame] | 643 | else |
| 644 | fprintf(output, " "); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 645 | } |
| 646 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 647 | /* used for get_ratio_color() */ |
| 648 | enum grc_type { |
| 649 | GRC_STALLED_CYCLES_FE, |
| 650 | GRC_STALLED_CYCLES_BE, |
| 651 | GRC_CACHE_MISSES, |
| 652 | GRC_MAX_NR |
| 653 | }; |
| 654 | |
| 655 | static const char *get_ratio_color(enum grc_type type, double ratio) |
| 656 | { |
| 657 | static const double grc_table[GRC_MAX_NR][3] = { |
| 658 | [GRC_STALLED_CYCLES_FE] = { 50.0, 30.0, 10.0 }, |
| 659 | [GRC_STALLED_CYCLES_BE] = { 75.0, 50.0, 20.0 }, |
| 660 | [GRC_CACHE_MISSES] = { 20.0, 10.0, 5.0 }, |
| 661 | }; |
| 662 | const char *color = PERF_COLOR_NORMAL; |
| 663 | |
| 664 | if (ratio > grc_table[type][0]) |
| 665 | color = PERF_COLOR_RED; |
| 666 | else if (ratio > grc_table[type][1]) |
| 667 | color = PERF_COLOR_MAGENTA; |
| 668 | else if (ratio > grc_table[type][2]) |
| 669 | color = PERF_COLOR_YELLOW; |
| 670 | |
| 671 | return color; |
| 672 | } |
| 673 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 674 | static void print_stalled_cycles_frontend(int cpu, |
| 675 | struct perf_evsel *evsel |
| 676 | __maybe_unused, double avg) |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 677 | { |
| 678 | double total, ratio = 0.0; |
| 679 | const char *color; |
| 680 | |
| 681 | total = avg_stats(&runtime_cycles_stats[cpu]); |
| 682 | |
| 683 | if (total) |
| 684 | ratio = avg / total * 100.0; |
| 685 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 686 | color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio); |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 687 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 688 | fprintf(output, " # "); |
| 689 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 690 | fprintf(output, " frontend cycles idle "); |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 691 | } |
| 692 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 693 | static void print_stalled_cycles_backend(int cpu, |
| 694 | struct perf_evsel *evsel |
| 695 | __maybe_unused, double avg) |
Ingo Molnar | a5d243d | 2011-04-27 05:39:24 +0200 | [diff] [blame] | 696 | { |
| 697 | double total, ratio = 0.0; |
| 698 | const char *color; |
| 699 | |
| 700 | total = avg_stats(&runtime_cycles_stats[cpu]); |
| 701 | |
| 702 | if (total) |
| 703 | ratio = avg / total * 100.0; |
| 704 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 705 | color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio); |
Ingo Molnar | a5d243d | 2011-04-27 05:39:24 +0200 | [diff] [blame] | 706 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 707 | fprintf(output, " # "); |
| 708 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 709 | fprintf(output, " backend cycles idle "); |
Ingo Molnar | a5d243d | 2011-04-27 05:39:24 +0200 | [diff] [blame] | 710 | } |
| 711 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 712 | static void print_branch_misses(int cpu, |
| 713 | struct perf_evsel *evsel __maybe_unused, |
| 714 | double avg) |
Ingo Molnar | c78df6c | 2011-04-27 12:16:10 +0200 | [diff] [blame] | 715 | { |
| 716 | double total, ratio = 0.0; |
| 717 | const char *color; |
| 718 | |
| 719 | total = avg_stats(&runtime_branches_stats[cpu]); |
| 720 | |
| 721 | if (total) |
| 722 | ratio = avg / total * 100.0; |
| 723 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 724 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
Ingo Molnar | c78df6c | 2011-04-27 12:16:10 +0200 | [diff] [blame] | 725 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 726 | fprintf(output, " # "); |
| 727 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 728 | fprintf(output, " of all branches "); |
Ingo Molnar | c78df6c | 2011-04-27 12:16:10 +0200 | [diff] [blame] | 729 | } |
| 730 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 731 | static void print_l1_dcache_misses(int cpu, |
| 732 | struct perf_evsel *evsel __maybe_unused, |
| 733 | double avg) |
Ingo Molnar | 8bb6c79 | 2011-04-27 13:25:24 +0200 | [diff] [blame] | 734 | { |
| 735 | double total, ratio = 0.0; |
| 736 | const char *color; |
| 737 | |
| 738 | total = avg_stats(&runtime_l1_dcache_stats[cpu]); |
| 739 | |
| 740 | if (total) |
| 741 | ratio = avg / total * 100.0; |
| 742 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 743 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
Ingo Molnar | 8bb6c79 | 2011-04-27 13:25:24 +0200 | [diff] [blame] | 744 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 745 | fprintf(output, " # "); |
| 746 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 747 | fprintf(output, " of all L1-dcache hits "); |
Ingo Molnar | 8bb6c79 | 2011-04-27 13:25:24 +0200 | [diff] [blame] | 748 | } |
| 749 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 750 | static void print_l1_icache_misses(int cpu, |
| 751 | struct perf_evsel *evsel __maybe_unused, |
| 752 | double avg) |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 753 | { |
| 754 | double total, ratio = 0.0; |
| 755 | const char *color; |
| 756 | |
| 757 | total = avg_stats(&runtime_l1_icache_stats[cpu]); |
| 758 | |
| 759 | if (total) |
| 760 | ratio = avg / total * 100.0; |
| 761 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 762 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 763 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 764 | fprintf(output, " # "); |
| 765 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 766 | fprintf(output, " of all L1-icache hits "); |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 767 | } |
| 768 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 769 | static void print_dtlb_cache_misses(int cpu, |
| 770 | struct perf_evsel *evsel __maybe_unused, |
| 771 | double avg) |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 772 | { |
| 773 | double total, ratio = 0.0; |
| 774 | const char *color; |
| 775 | |
| 776 | total = avg_stats(&runtime_dtlb_cache_stats[cpu]); |
| 777 | |
| 778 | if (total) |
| 779 | ratio = avg / total * 100.0; |
| 780 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 781 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 782 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 783 | fprintf(output, " # "); |
| 784 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 785 | fprintf(output, " of all dTLB cache hits "); |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 786 | } |
| 787 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 788 | static void print_itlb_cache_misses(int cpu, |
| 789 | struct perf_evsel *evsel __maybe_unused, |
| 790 | double avg) |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 791 | { |
| 792 | double total, ratio = 0.0; |
| 793 | const char *color; |
| 794 | |
| 795 | total = avg_stats(&runtime_itlb_cache_stats[cpu]); |
| 796 | |
| 797 | if (total) |
| 798 | ratio = avg / total * 100.0; |
| 799 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 800 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 801 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 802 | fprintf(output, " # "); |
| 803 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 804 | fprintf(output, " of all iTLB cache hits "); |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 805 | } |
| 806 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 807 | static void print_ll_cache_misses(int cpu, |
| 808 | struct perf_evsel *evsel __maybe_unused, |
| 809 | double avg) |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 810 | { |
| 811 | double total, ratio = 0.0; |
| 812 | const char *color; |
| 813 | |
| 814 | total = avg_stats(&runtime_ll_cache_stats[cpu]); |
| 815 | |
| 816 | if (total) |
| 817 | ratio = avg / total * 100.0; |
| 818 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 819 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 820 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 821 | fprintf(output, " # "); |
| 822 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 823 | fprintf(output, " of all LL-cache hits "); |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 824 | } |
| 825 | |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 826 | static void abs_printout(int cpu, int nr, struct perf_evsel *evsel, double avg) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 827 | { |
Ingo Molnar | c7f7fea | 2009-09-22 14:53:51 +0200 | [diff] [blame] | 828 | double total, ratio = 0.0; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 829 | const char *fmt; |
| 830 | |
| 831 | if (csv_output) |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 832 | fmt = "%.0f%s%s"; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 833 | else if (big_num) |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 834 | fmt = "%'18.0f%s%-25s"; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 835 | else |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 836 | fmt = "%18.0f%s%-25s"; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 837 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 838 | aggr_printout(evsel, cpu, nr); |
| 839 | |
| 840 | if (aggr_mode == AGGR_GLOBAL) |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 841 | cpu = 0; |
Ingo Molnar | c7f7fea | 2009-09-22 14:53:51 +0200 | [diff] [blame] | 842 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 843 | fprintf(output, fmt, avg, csv_sep, perf_evsel__name(evsel)); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 844 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 845 | if (evsel->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 846 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 847 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 848 | if (csv_output || interval) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 849 | return; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 850 | |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 851 | if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) { |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 852 | total = avg_stats(&runtime_cycles_stats[cpu]); |
Ingo Molnar | c7f7fea | 2009-09-22 14:53:51 +0200 | [diff] [blame] | 853 | if (total) |
| 854 | ratio = avg / total; |
| 855 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 856 | fprintf(output, " # %5.2f insns per cycle ", ratio); |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 857 | |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 858 | total = avg_stats(&runtime_stalled_cycles_front_stats[cpu]); |
| 859 | total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[cpu])); |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 860 | |
| 861 | if (total && avg) { |
| 862 | ratio = total / avg; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 863 | fprintf(output, "\n # %5.2f stalled cycles per insn", ratio); |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 864 | } |
| 865 | |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 866 | } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) && |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 867 | runtime_branches_stats[cpu].n != 0) { |
Ingo Molnar | c78df6c | 2011-04-27 12:16:10 +0200 | [diff] [blame] | 868 | print_branch_misses(cpu, evsel, avg); |
Ingo Molnar | 8bb6c79 | 2011-04-27 13:25:24 +0200 | [diff] [blame] | 869 | } else if ( |
| 870 | evsel->attr.type == PERF_TYPE_HW_CACHE && |
| 871 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D | |
| 872 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | |
| 873 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && |
Ingo Molnar | c6264de | 2011-04-27 13:50:47 +0200 | [diff] [blame] | 874 | runtime_l1_dcache_stats[cpu].n != 0) { |
Ingo Molnar | 8bb6c79 | 2011-04-27 13:25:24 +0200 | [diff] [blame] | 875 | print_l1_dcache_misses(cpu, evsel, avg); |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 876 | } else if ( |
| 877 | evsel->attr.type == PERF_TYPE_HW_CACHE && |
| 878 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I | |
| 879 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | |
| 880 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && |
| 881 | runtime_l1_icache_stats[cpu].n != 0) { |
| 882 | print_l1_icache_misses(cpu, evsel, avg); |
| 883 | } else if ( |
| 884 | evsel->attr.type == PERF_TYPE_HW_CACHE && |
| 885 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB | |
| 886 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | |
| 887 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && |
| 888 | runtime_dtlb_cache_stats[cpu].n != 0) { |
| 889 | print_dtlb_cache_misses(cpu, evsel, avg); |
| 890 | } else if ( |
| 891 | evsel->attr.type == PERF_TYPE_HW_CACHE && |
| 892 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB | |
| 893 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | |
| 894 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && |
| 895 | runtime_itlb_cache_stats[cpu].n != 0) { |
| 896 | print_itlb_cache_misses(cpu, evsel, avg); |
| 897 | } else if ( |
| 898 | evsel->attr.type == PERF_TYPE_HW_CACHE && |
| 899 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL | |
| 900 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | |
| 901 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && |
| 902 | runtime_ll_cache_stats[cpu].n != 0) { |
| 903 | print_ll_cache_misses(cpu, evsel, avg); |
Ingo Molnar | d58f4c8 | 2011-04-27 03:42:18 +0200 | [diff] [blame] | 904 | } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) && |
| 905 | runtime_cacherefs_stats[cpu].n != 0) { |
| 906 | total = avg_stats(&runtime_cacherefs_stats[cpu]); |
| 907 | |
| 908 | if (total) |
| 909 | ratio = avg * 100 / total; |
| 910 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 911 | fprintf(output, " # %8.3f %% of all cache refs ", ratio); |
Ingo Molnar | d58f4c8 | 2011-04-27 03:42:18 +0200 | [diff] [blame] | 912 | |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 913 | } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) { |
| 914 | print_stalled_cycles_frontend(cpu, evsel, avg); |
Ingo Molnar | 129c04c | 2011-04-29 14:41:28 +0200 | [diff] [blame] | 915 | } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) { |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 916 | print_stalled_cycles_backend(cpu, evsel, avg); |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 917 | } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) { |
| 918 | total = avg_stats(&runtime_nsecs_stats[cpu]); |
| 919 | |
| 920 | if (total) |
| 921 | ratio = 1.0 * avg / total; |
| 922 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 923 | fprintf(output, " # %8.3f GHz ", ratio); |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 924 | } else if (runtime_nsecs_stats[cpu].n != 0) { |
Namhyung Kim | 5fde252 | 2012-02-06 16:44:44 +0900 | [diff] [blame] | 925 | char unit = 'M'; |
| 926 | |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 927 | total = avg_stats(&runtime_nsecs_stats[cpu]); |
| 928 | |
| 929 | if (total) |
| 930 | ratio = 1000.0 * avg / total; |
Namhyung Kim | 5fde252 | 2012-02-06 16:44:44 +0900 | [diff] [blame] | 931 | if (ratio < 0.001) { |
| 932 | ratio *= 1000; |
| 933 | unit = 'K'; |
| 934 | } |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 935 | |
Namhyung Kim | 5fde252 | 2012-02-06 16:44:44 +0900 | [diff] [blame] | 936 | fprintf(output, " # %8.3f %c/sec ", ratio, unit); |
Ingo Molnar | a5d243d | 2011-04-27 05:39:24 +0200 | [diff] [blame] | 937 | } else { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 938 | fprintf(output, " "); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 939 | } |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 940 | } |
| 941 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 942 | static void print_aggr(char *prefix) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 943 | { |
| 944 | struct perf_evsel *counter; |
Stephane Eranian | 582ec082 | 2013-07-05 19:06:45 +0200 | [diff] [blame] | 945 | int cpu, cpu2, s, s2, id, nr; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 946 | u64 ena, run, val; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 947 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 948 | if (!(aggr_map || aggr_get_id)) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 949 | return; |
| 950 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 951 | for (s = 0; s < aggr_map->nr; s++) { |
| 952 | id = aggr_map->map[s]; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 953 | list_for_each_entry(counter, &evsel_list->entries, node) { |
| 954 | val = ena = run = 0; |
| 955 | nr = 0; |
| 956 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
Stephane Eranian | 582ec082 | 2013-07-05 19:06:45 +0200 | [diff] [blame] | 957 | cpu2 = perf_evsel__cpus(counter)->map[cpu]; |
| 958 | s2 = aggr_get_id(evsel_list->cpus, cpu2); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 959 | if (s2 != id) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 960 | continue; |
| 961 | val += counter->counts->cpu[cpu].val; |
| 962 | ena += counter->counts->cpu[cpu].ena; |
| 963 | run += counter->counts->cpu[cpu].run; |
| 964 | nr++; |
| 965 | } |
| 966 | if (prefix) |
| 967 | fprintf(output, "%s", prefix); |
| 968 | |
| 969 | if (run == 0 || ena == 0) { |
Stephane Eranian | 582ec082 | 2013-07-05 19:06:45 +0200 | [diff] [blame] | 970 | aggr_printout(counter, id, nr); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 971 | |
| 972 | fprintf(output, "%*s%s%*s", |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 973 | csv_output ? 0 : 18, |
| 974 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
| 975 | csv_sep, |
| 976 | csv_output ? 0 : -24, |
| 977 | perf_evsel__name(counter)); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 978 | |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 979 | if (counter->cgrp) |
| 980 | fprintf(output, "%s%s", |
| 981 | csv_sep, counter->cgrp->name); |
| 982 | |
| 983 | fputc('\n', output); |
| 984 | continue; |
| 985 | } |
| 986 | |
| 987 | if (nsec_counter(counter)) |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 988 | nsec_printout(id, nr, counter, val); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 989 | else |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 990 | abs_printout(id, nr, counter, val); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 991 | |
| 992 | if (!csv_output) { |
| 993 | print_noise(counter, 1.0); |
| 994 | |
| 995 | if (run != ena) |
| 996 | fprintf(output, " (%.2f%%)", |
| 997 | 100.0 * run / ena); |
| 998 | } |
| 999 | fputc('\n', output); |
| 1000 | } |
| 1001 | } |
| 1002 | } |
| 1003 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1004 | /* |
| 1005 | * Print out the results of a single counter: |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1006 | * aggregated counts in system-wide mode |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1007 | */ |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1008 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1009 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1010 | struct perf_stat *ps = counter->priv; |
| 1011 | double avg = avg_stats(&ps->res_stats[0]); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 1012 | int scaled = counter->counts->scaled; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1013 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1014 | if (prefix) |
| 1015 | fprintf(output, "%s", prefix); |
| 1016 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1017 | if (scaled == -1) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1018 | fprintf(output, "%*s%s%*s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1019 | csv_output ? 0 : 18, |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 1020 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1021 | csv_sep, |
| 1022 | csv_output ? 0 : -24, |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 1023 | perf_evsel__name(counter)); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1024 | |
| 1025 | if (counter->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1026 | fprintf(output, "%s%s", csv_sep, counter->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1027 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1028 | fputc('\n', output); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1029 | return; |
| 1030 | } |
| 1031 | |
| 1032 | if (nsec_counter(counter)) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1033 | nsec_printout(-1, 0, counter, avg); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1034 | else |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1035 | abs_printout(-1, 0, counter, avg); |
Peter Zijlstra | 849abde | 2009-09-04 18:23:38 +0200 | [diff] [blame] | 1036 | |
Zhengyu He | 3ae9a34d | 2011-06-23 13:45:42 -0700 | [diff] [blame] | 1037 | print_noise(counter, avg); |
| 1038 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1039 | if (csv_output) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1040 | fputc('\n', output); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1041 | return; |
| 1042 | } |
| 1043 | |
Peter Zijlstra | 506d4bc | 2009-09-04 15:36:12 +0200 | [diff] [blame] | 1044 | if (scaled) { |
| 1045 | double avg_enabled, avg_running; |
| 1046 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1047 | avg_enabled = avg_stats(&ps->res_stats[1]); |
| 1048 | avg_running = avg_stats(&ps->res_stats[2]); |
Peter Zijlstra | 506d4bc | 2009-09-04 15:36:12 +0200 | [diff] [blame] | 1049 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1050 | fprintf(output, " [%5.2f%%]", 100 * avg_running / avg_enabled); |
Peter Zijlstra | 506d4bc | 2009-09-04 15:36:12 +0200 | [diff] [blame] | 1051 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1052 | fprintf(output, "\n"); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1053 | } |
| 1054 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1055 | /* |
| 1056 | * Print out the results of a single counter: |
| 1057 | * does not use aggregated count in system-wide |
| 1058 | */ |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1059 | static void print_counter(struct perf_evsel *counter, char *prefix) |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1060 | { |
| 1061 | u64 ena, run, val; |
| 1062 | int cpu; |
| 1063 | |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 1064 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 1065 | val = counter->counts->cpu[cpu].val; |
| 1066 | ena = counter->counts->cpu[cpu].ena; |
| 1067 | run = counter->counts->cpu[cpu].run; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1068 | |
| 1069 | if (prefix) |
| 1070 | fprintf(output, "%s", prefix); |
| 1071 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1072 | if (run == 0 || ena == 0) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1073 | fprintf(output, "CPU%*d%s%*s%s%*s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1074 | csv_output ? 0 : -4, |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 1075 | perf_evsel__cpus(counter)->map[cpu], csv_sep, |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1076 | csv_output ? 0 : 18, |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 1077 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
| 1078 | csv_sep, |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1079 | csv_output ? 0 : -24, |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 1080 | perf_evsel__name(counter)); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1081 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1082 | if (counter->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1083 | fprintf(output, "%s%s", |
| 1084 | csv_sep, counter->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1085 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1086 | fputc('\n', output); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1087 | continue; |
| 1088 | } |
| 1089 | |
| 1090 | if (nsec_counter(counter)) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1091 | nsec_printout(cpu, 0, counter, val); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1092 | else |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1093 | abs_printout(cpu, 0, counter, val); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1094 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1095 | if (!csv_output) { |
| 1096 | print_noise(counter, 1.0); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1097 | |
Ingo Molnar | c6264de | 2011-04-27 13:50:47 +0200 | [diff] [blame] | 1098 | if (run != ena) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1099 | fprintf(output, " (%.2f%%)", |
| 1100 | 100.0 * run / ena); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1101 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1102 | fputc('\n', output); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1103 | } |
| 1104 | } |
| 1105 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1106 | static void print_stat(int argc, const char **argv) |
| 1107 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1108 | struct perf_evsel *counter; |
| 1109 | int i; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1110 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1111 | fflush(stdout); |
| 1112 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1113 | if (!csv_output) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1114 | fprintf(output, "\n"); |
| 1115 | fprintf(output, " Performance counter stats for "); |
Namhyung Kim | aa22dd4 | 2012-05-16 18:45:47 +0900 | [diff] [blame] | 1116 | if (!perf_target__has_task(&target)) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1117 | fprintf(output, "\'%s", argv[0]); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1118 | for (i = 1; i < argc; i++) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1119 | fprintf(output, " %s", argv[i]); |
Namhyung Kim | 20f946b | 2012-04-26 14:15:16 +0900 | [diff] [blame] | 1120 | } else if (target.pid) |
| 1121 | fprintf(output, "process id \'%s", target.pid); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1122 | else |
Namhyung Kim | 20f946b | 2012-04-26 14:15:16 +0900 | [diff] [blame] | 1123 | fprintf(output, "thread id \'%s", target.tid); |
Ingo Molnar | 44db76c | 2009-06-03 19:36:07 +0200 | [diff] [blame] | 1124 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1125 | fprintf(output, "\'"); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1126 | if (run_count > 1) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1127 | fprintf(output, " (%d runs)", run_count); |
| 1128 | fprintf(output, ":\n\n"); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1129 | } |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 1130 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1131 | switch (aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1132 | case AGGR_CORE: |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1133 | case AGGR_SOCKET: |
| 1134 | print_aggr(NULL); |
| 1135 | break; |
| 1136 | case AGGR_GLOBAL: |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1137 | list_for_each_entry(counter, &evsel_list->entries, node) |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1138 | print_counter_aggr(counter, NULL); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1139 | break; |
| 1140 | case AGGR_NONE: |
| 1141 | list_for_each_entry(counter, &evsel_list->entries, node) |
| 1142 | print_counter(counter, NULL); |
| 1143 | break; |
| 1144 | default: |
| 1145 | break; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1146 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1147 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1148 | if (!csv_output) { |
Ingo Molnar | c330525 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 1149 | if (!null_run) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1150 | fprintf(output, "\n"); |
| 1151 | fprintf(output, " %17.9f seconds time elapsed", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1152 | avg_stats(&walltime_nsecs_stats)/1e9); |
| 1153 | if (run_count > 1) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1154 | fprintf(output, " "); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 1155 | print_noise_pct(stddev_stats(&walltime_nsecs_stats), |
| 1156 | avg_stats(&walltime_nsecs_stats)); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1157 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1158 | fprintf(output, "\n\n"); |
Ingo Molnar | 566747e | 2009-06-27 06:24:32 +0200 | [diff] [blame] | 1159 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1160 | } |
| 1161 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1162 | static volatile int signr = -1; |
| 1163 | |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1164 | static void skip_signal(int signo) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1165 | { |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1166 | if ((child_pid == -1) || interval) |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 1167 | done = 1; |
| 1168 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1169 | signr = signo; |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 1170 | /* |
| 1171 | * render child_pid harmless |
| 1172 | * won't send SIGTERM to a random |
| 1173 | * process in case of race condition |
| 1174 | * and fast PID recycling |
| 1175 | */ |
| 1176 | child_pid = -1; |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1177 | } |
| 1178 | |
| 1179 | static void sig_atexit(void) |
| 1180 | { |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 1181 | sigset_t set, oset; |
| 1182 | |
| 1183 | /* |
| 1184 | * avoid race condition with SIGCHLD handler |
| 1185 | * in skip_signal() which is modifying child_pid |
| 1186 | * goal is to avoid send SIGTERM to a random |
| 1187 | * process |
| 1188 | */ |
| 1189 | sigemptyset(&set); |
| 1190 | sigaddset(&set, SIGCHLD); |
| 1191 | sigprocmask(SIG_BLOCK, &set, &oset); |
| 1192 | |
Chris Wilson | 933da83 | 2009-10-04 01:35:01 +0100 | [diff] [blame] | 1193 | if (child_pid != -1) |
| 1194 | kill(child_pid, SIGTERM); |
| 1195 | |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 1196 | sigprocmask(SIG_SETMASK, &oset, NULL); |
| 1197 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1198 | if (signr == -1) |
| 1199 | return; |
| 1200 | |
| 1201 | signal(signr, SIG_DFL); |
| 1202 | kill(getpid(), signr); |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1203 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1204 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1205 | static int stat__set_big_num(const struct option *opt __maybe_unused, |
| 1206 | const char *s __maybe_unused, int unset) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1207 | { |
| 1208 | big_num_opt = unset ? 0 : 1; |
| 1209 | return 0; |
| 1210 | } |
| 1211 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1212 | static int perf_stat_init_aggr_mode(void) |
| 1213 | { |
| 1214 | switch (aggr_mode) { |
| 1215 | case AGGR_SOCKET: |
| 1216 | if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { |
| 1217 | perror("cannot build socket map"); |
| 1218 | return -1; |
| 1219 | } |
| 1220 | aggr_get_id = cpu_map__get_socket; |
| 1221 | break; |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1222 | case AGGR_CORE: |
| 1223 | if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { |
| 1224 | perror("cannot build core map"); |
| 1225 | return -1; |
| 1226 | } |
| 1227 | aggr_get_id = cpu_map__get_core; |
| 1228 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1229 | case AGGR_NONE: |
| 1230 | case AGGR_GLOBAL: |
| 1231 | default: |
| 1232 | break; |
| 1233 | } |
| 1234 | return 0; |
| 1235 | } |
| 1236 | |
| 1237 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1238 | /* |
| 1239 | * Add default attributes, if there were no attributes specified or |
| 1240 | * if -d/--detailed, -d -d or -d -d -d is used: |
| 1241 | */ |
| 1242 | static int add_default_attributes(void) |
| 1243 | { |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1244 | struct perf_event_attr default_attrs[] = { |
| 1245 | |
| 1246 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, |
| 1247 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, |
| 1248 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, |
| 1249 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, |
| 1250 | |
| 1251 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, |
| 1252 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, |
| 1253 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, |
| 1254 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, |
| 1255 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, |
| 1256 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, |
| 1257 | |
| 1258 | }; |
| 1259 | |
| 1260 | /* |
| 1261 | * Detailed stats (-d), covering the L1 and last level data caches: |
| 1262 | */ |
| 1263 | struct perf_event_attr detailed_attrs[] = { |
| 1264 | |
| 1265 | { .type = PERF_TYPE_HW_CACHE, |
| 1266 | .config = |
| 1267 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1268 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1269 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1270 | |
| 1271 | { .type = PERF_TYPE_HW_CACHE, |
| 1272 | .config = |
| 1273 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1274 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1275 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1276 | |
| 1277 | { .type = PERF_TYPE_HW_CACHE, |
| 1278 | .config = |
| 1279 | PERF_COUNT_HW_CACHE_LL << 0 | |
| 1280 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1281 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1282 | |
| 1283 | { .type = PERF_TYPE_HW_CACHE, |
| 1284 | .config = |
| 1285 | PERF_COUNT_HW_CACHE_LL << 0 | |
| 1286 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1287 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1288 | }; |
| 1289 | |
| 1290 | /* |
| 1291 | * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: |
| 1292 | */ |
| 1293 | struct perf_event_attr very_detailed_attrs[] = { |
| 1294 | |
| 1295 | { .type = PERF_TYPE_HW_CACHE, |
| 1296 | .config = |
| 1297 | PERF_COUNT_HW_CACHE_L1I << 0 | |
| 1298 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1299 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1300 | |
| 1301 | { .type = PERF_TYPE_HW_CACHE, |
| 1302 | .config = |
| 1303 | PERF_COUNT_HW_CACHE_L1I << 0 | |
| 1304 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1305 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1306 | |
| 1307 | { .type = PERF_TYPE_HW_CACHE, |
| 1308 | .config = |
| 1309 | PERF_COUNT_HW_CACHE_DTLB << 0 | |
| 1310 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1311 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1312 | |
| 1313 | { .type = PERF_TYPE_HW_CACHE, |
| 1314 | .config = |
| 1315 | PERF_COUNT_HW_CACHE_DTLB << 0 | |
| 1316 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1317 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1318 | |
| 1319 | { .type = PERF_TYPE_HW_CACHE, |
| 1320 | .config = |
| 1321 | PERF_COUNT_HW_CACHE_ITLB << 0 | |
| 1322 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1323 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1324 | |
| 1325 | { .type = PERF_TYPE_HW_CACHE, |
| 1326 | .config = |
| 1327 | PERF_COUNT_HW_CACHE_ITLB << 0 | |
| 1328 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1329 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1330 | |
| 1331 | }; |
| 1332 | |
| 1333 | /* |
| 1334 | * Very, very detailed stats (-d -d -d), adding prefetch events: |
| 1335 | */ |
| 1336 | struct perf_event_attr very_very_detailed_attrs[] = { |
| 1337 | |
| 1338 | { .type = PERF_TYPE_HW_CACHE, |
| 1339 | .config = |
| 1340 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1341 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | |
| 1342 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1343 | |
| 1344 | { .type = PERF_TYPE_HW_CACHE, |
| 1345 | .config = |
| 1346 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1347 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | |
| 1348 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1349 | }; |
| 1350 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1351 | /* Set attrs if no event is selected and !null_run: */ |
| 1352 | if (null_run) |
| 1353 | return 0; |
| 1354 | |
| 1355 | if (!evsel_list->nr_entries) { |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1356 | if (perf_evlist__add_default_attrs(evsel_list, default_attrs) < 0) |
Arnaldo Carvalho de Melo | 50d08e4 | 2011-11-04 09:10:59 -0200 | [diff] [blame] | 1357 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1358 | } |
| 1359 | |
| 1360 | /* Detailed events get appended to the event list: */ |
| 1361 | |
| 1362 | if (detailed_run < 1) |
| 1363 | return 0; |
| 1364 | |
| 1365 | /* Append detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1366 | if (perf_evlist__add_default_attrs(evsel_list, detailed_attrs) < 0) |
Arnaldo Carvalho de Melo | 50d08e4 | 2011-11-04 09:10:59 -0200 | [diff] [blame] | 1367 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1368 | |
| 1369 | if (detailed_run < 2) |
| 1370 | return 0; |
| 1371 | |
| 1372 | /* Append very detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1373 | if (perf_evlist__add_default_attrs(evsel_list, very_detailed_attrs) < 0) |
Arnaldo Carvalho de Melo | 50d08e4 | 2011-11-04 09:10:59 -0200 | [diff] [blame] | 1374 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1375 | |
| 1376 | if (detailed_run < 3) |
| 1377 | return 0; |
| 1378 | |
| 1379 | /* Append very, very detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1380 | return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1381 | } |
| 1382 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1383 | int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1384 | { |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 1385 | bool append_file = false; |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1386 | int output_fd = 0; |
| 1387 | const char *output_name = NULL; |
| 1388 | const struct option options[] = { |
| 1389 | OPT_CALLBACK('e', "event", &evsel_list, "event", |
| 1390 | "event selector. use 'perf list' to list available events", |
| 1391 | parse_events_option), |
| 1392 | OPT_CALLBACK(0, "filter", &evsel_list, "filter", |
| 1393 | "event filter", parse_filter), |
| 1394 | OPT_BOOLEAN('i', "no-inherit", &no_inherit, |
| 1395 | "child tasks do not inherit counters"), |
| 1396 | OPT_STRING('p', "pid", &target.pid, "pid", |
| 1397 | "stat events on existing process id"), |
| 1398 | OPT_STRING('t', "tid", &target.tid, "tid", |
| 1399 | "stat events on existing thread id"), |
| 1400 | OPT_BOOLEAN('a', "all-cpus", &target.system_wide, |
| 1401 | "system-wide collection from all CPUs"), |
| 1402 | OPT_BOOLEAN('g', "group", &group, |
| 1403 | "put the counters into a counter group"), |
| 1404 | OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"), |
| 1405 | OPT_INCR('v', "verbose", &verbose, |
| 1406 | "be more verbose (show counter open errors, etc)"), |
| 1407 | OPT_INTEGER('r', "repeat", &run_count, |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1408 | "repeat command and print average + stddev (max: 100, forever: 0)"), |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1409 | OPT_BOOLEAN('n', "null", &null_run, |
| 1410 | "null run - dont start any counters"), |
| 1411 | OPT_INCR('d', "detailed", &detailed_run, |
| 1412 | "detailed run - start a lot of events"), |
| 1413 | OPT_BOOLEAN('S', "sync", &sync_run, |
| 1414 | "call sync() before starting a run"), |
| 1415 | OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, |
| 1416 | "print large numbers with thousands\' separators", |
| 1417 | stat__set_big_num), |
| 1418 | OPT_STRING('C', "cpu", &target.cpu_list, "cpu", |
| 1419 | "list of cpus to monitor in system-wide"), |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1420 | OPT_SET_UINT('A', "no-aggr", &aggr_mode, |
| 1421 | "disable CPU count aggregation", AGGR_NONE), |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1422 | OPT_STRING('x', "field-separator", &csv_sep, "separator", |
| 1423 | "print counts with custom separator"), |
| 1424 | OPT_CALLBACK('G', "cgroup", &evsel_list, "name", |
| 1425 | "monitor event in cgroup name only", parse_cgroups), |
| 1426 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
| 1427 | OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), |
| 1428 | OPT_INTEGER(0, "log-fd", &output_fd, |
| 1429 | "log output to fd, instead of stderr"), |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 1430 | OPT_STRING(0, "pre", &pre_cmd, "command", |
| 1431 | "command to run prior to the measured command"), |
| 1432 | OPT_STRING(0, "post", &post_cmd, "command", |
| 1433 | "command to run after to the measured command"), |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1434 | OPT_UINTEGER('I', "interval-print", &interval, |
| 1435 | "print counts at regular interval in ms (>= 100)"), |
Stephane Eranian | d430495 | 2013-02-14 13:57:28 +0100 | [diff] [blame] | 1436 | OPT_SET_UINT(0, "per-socket", &aggr_mode, |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1437 | "aggregate counts per processor socket", AGGR_SOCKET), |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1438 | OPT_SET_UINT(0, "per-core", &aggr_mode, |
| 1439 | "aggregate counts per physical processor core", AGGR_CORE), |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame^] | 1440 | OPT_UINTEGER('D', "delay", &initial_delay, |
| 1441 | "ms to wait before starting measurement after program start"), |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1442 | OPT_END() |
| 1443 | }; |
| 1444 | const char * const stat_usage[] = { |
| 1445 | "perf stat [<options>] [<command>]", |
| 1446 | NULL |
| 1447 | }; |
Arnaldo Carvalho de Melo | b070a54 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1448 | int status = -ENOMEM, run_idx; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1449 | const char *mode; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1450 | |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 1451 | setlocale(LC_ALL, ""); |
| 1452 | |
Namhyung Kim | 334fe7a | 2013-03-11 16:43:12 +0900 | [diff] [blame] | 1453 | evsel_list = perf_evlist__new(); |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1454 | if (evsel_list == NULL) |
| 1455 | return -ENOMEM; |
| 1456 | |
Anton Blanchard | a054123 | 2009-07-22 23:04:12 +1000 | [diff] [blame] | 1457 | argc = parse_options(argc, argv, options, stat_usage, |
| 1458 | PARSE_OPT_STOP_AT_NON_OPTION); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1459 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1460 | output = stderr; |
| 1461 | if (output_name && strcmp(output_name, "-")) |
| 1462 | output = NULL; |
| 1463 | |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 1464 | if (output_name && output_fd) { |
| 1465 | fprintf(stderr, "cannot use both --output and --log-fd\n"); |
| 1466 | usage_with_options(stat_usage, options); |
| 1467 | } |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 1468 | |
| 1469 | if (output_fd < 0) { |
| 1470 | fprintf(stderr, "argument to --log-fd must be a > 0\n"); |
| 1471 | usage_with_options(stat_usage, options); |
| 1472 | } |
| 1473 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1474 | if (!output) { |
| 1475 | struct timespec tm; |
| 1476 | mode = append_file ? "a" : "w"; |
| 1477 | |
| 1478 | output = fopen(output_name, mode); |
| 1479 | if (!output) { |
| 1480 | perror("failed to create output file"); |
David Ahern | fceda7f | 2012-08-26 12:24:44 -0600 | [diff] [blame] | 1481 | return -1; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1482 | } |
| 1483 | clock_gettime(CLOCK_REALTIME, &tm); |
| 1484 | fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 1485 | } else if (output_fd > 0) { |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 1486 | mode = append_file ? "a" : "w"; |
| 1487 | output = fdopen(output_fd, mode); |
| 1488 | if (!output) { |
| 1489 | perror("Failed opening logfd"); |
| 1490 | return -errno; |
| 1491 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1492 | } |
| 1493 | |
Jim Cromie | d4ffd04 | 2011-09-07 17:14:03 -0600 | [diff] [blame] | 1494 | if (csv_sep) { |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1495 | csv_output = true; |
Jim Cromie | d4ffd04 | 2011-09-07 17:14:03 -0600 | [diff] [blame] | 1496 | if (!strcmp(csv_sep, "\\t")) |
| 1497 | csv_sep = "\t"; |
| 1498 | } else |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1499 | csv_sep = DEFAULT_SEPARATOR; |
| 1500 | |
| 1501 | /* |
| 1502 | * let the spreadsheet do the pretty-printing |
| 1503 | */ |
| 1504 | if (csv_output) { |
Jim Cromie | 61a9f32 | 2011-09-07 17:14:04 -0600 | [diff] [blame] | 1505 | /* User explicitly passed -B? */ |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1506 | if (big_num_opt == 1) { |
| 1507 | fprintf(stderr, "-B option not supported with -x\n"); |
| 1508 | usage_with_options(stat_usage, options); |
| 1509 | } else /* Nope, so disable big number formatting */ |
| 1510 | big_num = false; |
| 1511 | } else if (big_num_opt == 0) /* User passed --no-big-num */ |
| 1512 | big_num = false; |
| 1513 | |
Namhyung Kim | aa22dd4 | 2012-05-16 18:45:47 +0900 | [diff] [blame] | 1514 | if (!argc && !perf_target__has_task(&target)) |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1515 | usage_with_options(stat_usage, options); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1516 | if (run_count < 0) { |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1517 | usage_with_options(stat_usage, options); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1518 | } else if (run_count == 0) { |
| 1519 | forever = true; |
| 1520 | run_count = 1; |
| 1521 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1522 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1523 | /* no_aggr, cgroup are for system-wide only */ |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1524 | if ((aggr_mode != AGGR_GLOBAL || nr_cgroups) |
| 1525 | && !perf_target__has_cpu(&target)) { |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1526 | fprintf(stderr, "both cgroup and no-aggregation " |
| 1527 | "modes only available in system-wide mode\n"); |
| 1528 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1529 | usage_with_options(stat_usage, options); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1530 | return -1; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1531 | } |
| 1532 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1533 | if (add_default_attributes()) |
| 1534 | goto out; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1535 | |
Namhyung Kim | 4bd0f2d | 2012-04-26 14:15:18 +0900 | [diff] [blame] | 1536 | perf_target__validate(&target); |
Arnaldo Carvalho de Melo | 5c98d466 | 2011-01-03 17:53:33 -0200 | [diff] [blame] | 1537 | |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 1538 | if (perf_evlist__create_maps(evsel_list, &target) < 0) { |
Namhyung Kim | aa22dd4 | 2012-05-16 18:45:47 +0900 | [diff] [blame] | 1539 | if (perf_target__has_task(&target)) |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 1540 | pr_err("Problems finding threads of monitor\n"); |
Namhyung Kim | aa22dd4 | 2012-05-16 18:45:47 +0900 | [diff] [blame] | 1541 | if (perf_target__has_cpu(&target)) |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 1542 | perror("failed to parse CPUs map"); |
Arnaldo Carvalho de Melo | 5c98d466 | 2011-01-03 17:53:33 -0200 | [diff] [blame] | 1543 | |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1544 | usage_with_options(stat_usage, options); |
Arnaldo Carvalho de Melo | 60d567e | 2011-01-03 17:49:48 -0200 | [diff] [blame] | 1545 | return -1; |
| 1546 | } |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1547 | if (interval && interval < 100) { |
| 1548 | pr_err("print interval must be >= 100ms\n"); |
| 1549 | usage_with_options(stat_usage, options); |
| 1550 | return -1; |
| 1551 | } |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1552 | |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 1553 | if (perf_evlist__alloc_stats(evsel_list, interval)) |
| 1554 | goto out_free_maps; |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1555 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1556 | if (perf_stat_init_aggr_mode()) |
| 1557 | goto out; |
| 1558 | |
Ingo Molnar | 58d7e99 | 2009-05-15 11:03:23 +0200 | [diff] [blame] | 1559 | /* |
| 1560 | * We dont want to block the signals - that would cause |
| 1561 | * child tasks to inherit that and Ctrl-C would not work. |
| 1562 | * What we want is for Ctrl-C to work in the exec()-ed |
| 1563 | * task, but being ignored by perf stat itself: |
| 1564 | */ |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1565 | atexit(sig_atexit); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1566 | if (!forever) |
| 1567 | signal(SIGINT, skip_signal); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1568 | signal(SIGCHLD, skip_signal); |
Ingo Molnar | 58d7e99 | 2009-05-15 11:03:23 +0200 | [diff] [blame] | 1569 | signal(SIGALRM, skip_signal); |
| 1570 | signal(SIGABRT, skip_signal); |
| 1571 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1572 | status = 0; |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1573 | for (run_idx = 0; forever || run_idx < run_count; run_idx++) { |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1574 | if (run_count != 1 && verbose) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1575 | fprintf(output, "[ perf stat: executing run #%d ... ]\n", |
| 1576 | run_idx + 1); |
Ingo Molnar | f9cef0a | 2011-04-28 18:17:11 +0200 | [diff] [blame] | 1577 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1578 | status = run_perf_stat(argc, argv); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1579 | if (forever && status != -1) { |
| 1580 | print_stat(argc, argv); |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 1581 | perf_stat__reset_stats(evsel_list); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1582 | } |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1583 | } |
| 1584 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1585 | if (!forever && status != -1 && !interval) |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 1586 | print_stat(argc, argv); |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 1587 | |
| 1588 | perf_evlist__free_stats(evsel_list); |
| 1589 | out_free_maps: |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 1590 | perf_evlist__delete_maps(evsel_list); |
Arnaldo Carvalho de Melo | 0015e2e | 2011-02-01 16:18:10 -0200 | [diff] [blame] | 1591 | out: |
| 1592 | perf_evlist__delete(evsel_list); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1593 | return status; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1594 | } |