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