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" |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 49 | #include "util/pmu.h" |
Frederic Weisbecker | 8f28827 | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 50 | #include "util/event.h" |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 51 | #include "util/evlist.h" |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 52 | #include "util/evsel.h" |
Frederic Weisbecker | 8f28827 | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 53 | #include "util/debug.h" |
Ingo Molnar | a5d243d | 2011-04-27 05:39:24 +0200 | [diff] [blame] | 54 | #include "util/color.h" |
Xiao Guangrong | 0007ece | 2012-09-17 16:31:14 +0800 | [diff] [blame] | 55 | #include "util/stat.h" |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 56 | #include "util/header.h" |
Paul Mackerras | a12b51c | 2010-03-10 20:36:09 +1100 | [diff] [blame] | 57 | #include "util/cpumap.h" |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 58 | #include "util/thread.h" |
Arnaldo Carvalho de Melo | fd78260 | 2011-01-18 15:15:24 -0200 | [diff] [blame] | 59 | #include "util/thread_map.h" |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 60 | |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 61 | #include <stdlib.h> |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 62 | #include <sys/prctl.h> |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 63 | #include <locale.h> |
Peter Zijlstra | 16c8a10 | 2009-05-05 17:50:27 +0200 | [diff] [blame] | 64 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 65 | #define DEFAULT_SEPARATOR " " |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 66 | #define CNTR_NOT_SUPPORTED "<not supported>" |
| 67 | #define CNTR_NOT_COUNTED "<not counted>" |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 68 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 69 | static void print_stat(int argc, const char **argv); |
| 70 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix); |
| 71 | static void print_counter(struct perf_evsel *counter, char *prefix); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 72 | static void print_aggr(char *prefix); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 73 | |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 74 | /* Default events used for perf stat -T */ |
| 75 | static const char * const transaction_attrs[] = { |
| 76 | "task-clock", |
| 77 | "{" |
| 78 | "instructions," |
| 79 | "cycles," |
| 80 | "cpu/cycles-t/," |
| 81 | "cpu/tx-start/," |
| 82 | "cpu/el-start/," |
| 83 | "cpu/cycles-ct/" |
| 84 | "}" |
| 85 | }; |
| 86 | |
| 87 | /* More limited version when the CPU does not have all events. */ |
| 88 | static const char * const transaction_limited_attrs[] = { |
| 89 | "task-clock", |
| 90 | "{" |
| 91 | "instructions," |
| 92 | "cycles," |
| 93 | "cpu/cycles-t/," |
| 94 | "cpu/tx-start/" |
| 95 | "}" |
| 96 | }; |
| 97 | |
| 98 | /* must match transaction_attrs and the beginning limited_attrs */ |
| 99 | enum { |
| 100 | T_TASK_CLOCK, |
| 101 | T_INSTRUCTIONS, |
| 102 | T_CYCLES, |
| 103 | T_CYCLES_IN_TX, |
| 104 | T_TRANSACTION_START, |
| 105 | T_ELISION_START, |
| 106 | T_CYCLES_IN_TX_CP, |
| 107 | }; |
| 108 | |
Robert Richter | 666e6d4 | 2012-04-05 18:26:27 +0200 | [diff] [blame] | 109 | static struct perf_evlist *evsel_list; |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 110 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 111 | static struct target target = { |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 112 | .uid = UINT_MAX, |
| 113 | }; |
Jaswinder Singh Rajput | 3d63259 | 2009-06-24 18:19:34 +0530 | [diff] [blame] | 114 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 115 | enum aggr_mode { |
| 116 | AGGR_NONE, |
| 117 | AGGR_GLOBAL, |
| 118 | AGGR_SOCKET, |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 119 | AGGR_CORE, |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 120 | }; |
| 121 | |
Jaswinder Singh Rajput | 3d63259 | 2009-06-24 18:19:34 +0530 | [diff] [blame] | 122 | static int run_count = 1; |
Stephane Eranian | 2e6cdf9 | 2010-05-12 10:40:01 +0200 | [diff] [blame] | 123 | static bool no_inherit = false; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 124 | static bool scale = true; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 125 | static enum aggr_mode aggr_mode = AGGR_GLOBAL; |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 126 | static volatile pid_t child_pid = -1; |
Ian Munsie | c055564 | 2010-04-13 18:37:33 +1000 | [diff] [blame] | 127 | static bool null_run = false; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 128 | static int detailed_run = 0; |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 129 | static bool transaction_run; |
Arnaldo Carvalho de Melo | 201e0b0 | 2010-12-01 17:53:27 -0200 | [diff] [blame] | 130 | static bool big_num = true; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 131 | static int big_num_opt = -1; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 132 | static const char *csv_sep = NULL; |
| 133 | static bool csv_output = false; |
Lin Ming | 43bece7 | 2011-08-17 18:42:07 +0800 | [diff] [blame] | 134 | static bool group = false; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 135 | static FILE *output = NULL; |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 136 | static const char *pre_cmd = NULL; |
| 137 | static const char *post_cmd = NULL; |
| 138 | static bool sync_run = false; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 139 | static unsigned int interval = 0; |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 140 | static unsigned int initial_delay = 0; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 141 | static unsigned int unit_width = 4; /* strlen("unit") */ |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 142 | static bool forever = false; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 143 | static struct timespec ref_time; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 144 | static struct cpu_map *aggr_map; |
| 145 | static int (*aggr_get_id)(struct cpu_map *m, int cpu); |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 146 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 147 | static volatile int done = 0; |
| 148 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 149 | struct perf_stat { |
| 150 | struct stats res_stats[3]; |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 151 | }; |
| 152 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 153 | static inline void diff_timespec(struct timespec *r, struct timespec *a, |
| 154 | struct timespec *b) |
| 155 | { |
| 156 | r->tv_sec = a->tv_sec - b->tv_sec; |
| 157 | if (a->tv_nsec < b->tv_nsec) { |
| 158 | r->tv_nsec = a->tv_nsec + 1000000000L - b->tv_nsec; |
| 159 | r->tv_sec--; |
| 160 | } else { |
| 161 | r->tv_nsec = a->tv_nsec - b->tv_nsec ; |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | static inline struct cpu_map *perf_evsel__cpus(struct perf_evsel *evsel) |
| 166 | { |
| 167 | return (evsel->cpus && !target.cpu_list) ? evsel->cpus : evsel_list->cpus; |
| 168 | } |
| 169 | |
| 170 | static inline int perf_evsel__nr_cpus(struct perf_evsel *evsel) |
| 171 | { |
| 172 | return perf_evsel__cpus(evsel)->nr; |
| 173 | } |
| 174 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 175 | static void perf_evsel__reset_stat_priv(struct perf_evsel *evsel) |
| 176 | { |
| 177 | memset(evsel->priv, 0, sizeof(struct perf_stat)); |
| 178 | } |
| 179 | |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 180 | 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] | 181 | { |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 182 | evsel->priv = zalloc(sizeof(struct perf_stat)); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 183 | return evsel->priv == NULL ? -ENOMEM : 0; |
| 184 | } |
| 185 | |
| 186 | static void perf_evsel__free_stat_priv(struct perf_evsel *evsel) |
| 187 | { |
Arnaldo Carvalho de Melo | 0466252 | 2013-12-26 17:41:15 -0300 | [diff] [blame] | 188 | zfree(&evsel->priv); |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 189 | } |
| 190 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 191 | static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel) |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 192 | { |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 193 | void *addr; |
| 194 | size_t sz; |
| 195 | |
| 196 | sz = sizeof(*evsel->counts) + |
| 197 | (perf_evsel__nr_cpus(evsel) * sizeof(struct perf_counts_values)); |
| 198 | |
| 199 | addr = zalloc(sz); |
| 200 | if (!addr) |
| 201 | return -ENOMEM; |
| 202 | |
| 203 | evsel->prev_raw_counts = addr; |
| 204 | |
| 205 | return 0; |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 206 | } |
| 207 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 208 | static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel) |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 209 | { |
Arnaldo Carvalho de Melo | 0466252 | 2013-12-26 17:41:15 -0300 | [diff] [blame] | 210 | zfree(&evsel->prev_raw_counts); |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 211 | } |
| 212 | |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 213 | static void perf_evlist__free_stats(struct perf_evlist *evlist) |
| 214 | { |
| 215 | struct perf_evsel *evsel; |
| 216 | |
| 217 | list_for_each_entry(evsel, &evlist->entries, node) { |
| 218 | perf_evsel__free_stat_priv(evsel); |
| 219 | perf_evsel__free_counts(evsel); |
| 220 | perf_evsel__free_prev_raw_counts(evsel); |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw) |
| 225 | { |
| 226 | struct perf_evsel *evsel; |
| 227 | |
| 228 | list_for_each_entry(evsel, &evlist->entries, node) { |
| 229 | if (perf_evsel__alloc_stat_priv(evsel) < 0 || |
| 230 | perf_evsel__alloc_counts(evsel, perf_evsel__nr_cpus(evsel)) < 0 || |
| 231 | (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel) < 0)) |
| 232 | goto out_free; |
| 233 | } |
| 234 | |
| 235 | return 0; |
| 236 | |
| 237 | out_free: |
| 238 | perf_evlist__free_stats(evlist); |
| 239 | return -1; |
| 240 | } |
| 241 | |
Robert Richter | 666e6d4 | 2012-04-05 18:26:27 +0200 | [diff] [blame] | 242 | static struct stats runtime_nsecs_stats[MAX_NR_CPUS]; |
| 243 | static struct stats runtime_cycles_stats[MAX_NR_CPUS]; |
| 244 | static struct stats runtime_stalled_cycles_front_stats[MAX_NR_CPUS]; |
| 245 | static struct stats runtime_stalled_cycles_back_stats[MAX_NR_CPUS]; |
| 246 | static struct stats runtime_branches_stats[MAX_NR_CPUS]; |
| 247 | static struct stats runtime_cacherefs_stats[MAX_NR_CPUS]; |
| 248 | static struct stats runtime_l1_dcache_stats[MAX_NR_CPUS]; |
| 249 | static struct stats runtime_l1_icache_stats[MAX_NR_CPUS]; |
| 250 | static struct stats runtime_ll_cache_stats[MAX_NR_CPUS]; |
| 251 | static struct stats runtime_itlb_cache_stats[MAX_NR_CPUS]; |
| 252 | static struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS]; |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 253 | static struct stats runtime_cycles_in_tx_stats[MAX_NR_CPUS]; |
Robert Richter | 666e6d4 | 2012-04-05 18:26:27 +0200 | [diff] [blame] | 254 | static struct stats walltime_nsecs_stats; |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 255 | static struct stats runtime_transaction_stats[MAX_NR_CPUS]; |
| 256 | static struct stats runtime_elision_stats[MAX_NR_CPUS]; |
Ingo Molnar | be1ac0d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 257 | |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 258 | static void perf_stat__reset_stats(struct perf_evlist *evlist) |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 259 | { |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 260 | struct perf_evsel *evsel; |
| 261 | |
| 262 | list_for_each_entry(evsel, &evlist->entries, node) { |
| 263 | perf_evsel__reset_stat_priv(evsel); |
| 264 | perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel)); |
| 265 | } |
| 266 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 267 | memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats)); |
| 268 | memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats)); |
| 269 | memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats)); |
| 270 | memset(runtime_stalled_cycles_back_stats, 0, sizeof(runtime_stalled_cycles_back_stats)); |
| 271 | memset(runtime_branches_stats, 0, sizeof(runtime_branches_stats)); |
| 272 | memset(runtime_cacherefs_stats, 0, sizeof(runtime_cacherefs_stats)); |
| 273 | memset(runtime_l1_dcache_stats, 0, sizeof(runtime_l1_dcache_stats)); |
| 274 | memset(runtime_l1_icache_stats, 0, sizeof(runtime_l1_icache_stats)); |
| 275 | memset(runtime_ll_cache_stats, 0, sizeof(runtime_ll_cache_stats)); |
| 276 | memset(runtime_itlb_cache_stats, 0, sizeof(runtime_itlb_cache_stats)); |
| 277 | memset(runtime_dtlb_cache_stats, 0, sizeof(runtime_dtlb_cache_stats)); |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 278 | memset(runtime_cycles_in_tx_stats, 0, |
| 279 | sizeof(runtime_cycles_in_tx_stats)); |
| 280 | memset(runtime_transaction_stats, 0, |
| 281 | sizeof(runtime_transaction_stats)); |
| 282 | memset(runtime_elision_stats, 0, sizeof(runtime_elision_stats)); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 283 | memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats)); |
| 284 | } |
| 285 | |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 286 | static int create_perf_stat_counter(struct perf_evsel *evsel) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 287 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 288 | struct perf_event_attr *attr = &evsel->attr; |
Arnaldo Carvalho de Melo | 727ab04 | 2011-10-25 10:42:19 -0200 | [diff] [blame] | 289 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 290 | if (scale) |
Ingo Molnar | a21ca2c | 2009-06-06 09:58:57 +0200 | [diff] [blame] | 291 | attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | |
| 292 | PERF_FORMAT_TOTAL_TIME_RUNNING; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 293 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 294 | attr->inherit = !no_inherit; |
Arnaldo Carvalho de Melo | 5d2cd90 | 2011-04-14 11:20:14 -0300 | [diff] [blame] | 295 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 296 | if (target__has_cpu(&target)) |
Arnaldo Carvalho de Melo | 594ac61 | 2012-12-13 13:13:07 -0300 | [diff] [blame] | 297 | return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel)); |
Stephane Eranian | 5622c07 | 2012-04-27 14:45:38 +0200 | [diff] [blame] | 298 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 299 | if (!target__has_task(&target) && perf_evsel__is_group_leader(evsel)) { |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 300 | attr->disabled = 1; |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 301 | if (!initial_delay) |
| 302 | attr->enable_on_exec = 1; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 303 | } |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 304 | |
Arnaldo Carvalho de Melo | 594ac61 | 2012-12-13 13:13:07 -0300 | [diff] [blame] | 305 | return perf_evsel__open_per_thread(evsel, evsel_list->threads); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 306 | } |
| 307 | |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 308 | /* |
| 309 | * Does the counter have nsecs as a unit? |
| 310 | */ |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 311 | static inline int nsec_counter(struct perf_evsel *evsel) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 312 | { |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 313 | if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) || |
| 314 | perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 315 | return 1; |
| 316 | |
| 317 | return 0; |
| 318 | } |
| 319 | |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 320 | static struct perf_evsel *nth_evsel(int n) |
| 321 | { |
| 322 | static struct perf_evsel **array; |
| 323 | static int array_len; |
| 324 | struct perf_evsel *ev; |
| 325 | int j; |
| 326 | |
| 327 | /* Assumes this only called when evsel_list does not change anymore. */ |
| 328 | if (!array) { |
| 329 | list_for_each_entry(ev, &evsel_list->entries, node) |
| 330 | array_len++; |
| 331 | array = malloc(array_len * sizeof(void *)); |
| 332 | if (!array) |
| 333 | exit(ENOMEM); |
| 334 | j = 0; |
| 335 | list_for_each_entry(ev, &evsel_list->entries, node) |
| 336 | array[j++] = ev; |
| 337 | } |
| 338 | if (n < array_len) |
| 339 | return array[n]; |
| 340 | return NULL; |
| 341 | } |
| 342 | |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 343 | /* |
Ingo Molnar | dcd9936 | 2011-04-27 04:36:37 +0200 | [diff] [blame] | 344 | * Update various tracking values we maintain to print |
| 345 | * more semantic information such as miss/hit ratios, |
| 346 | * instruction rates, etc: |
| 347 | */ |
| 348 | static void update_shadow_stats(struct perf_evsel *counter, u64 *count) |
| 349 | { |
| 350 | if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK)) |
| 351 | update_stats(&runtime_nsecs_stats[0], count[0]); |
| 352 | else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES)) |
| 353 | update_stats(&runtime_cycles_stats[0], count[0]); |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 354 | else if (transaction_run && |
| 355 | perf_evsel__cmp(counter, nth_evsel(T_CYCLES_IN_TX))) |
| 356 | update_stats(&runtime_cycles_in_tx_stats[0], count[0]); |
| 357 | else if (transaction_run && |
| 358 | perf_evsel__cmp(counter, nth_evsel(T_TRANSACTION_START))) |
| 359 | update_stats(&runtime_transaction_stats[0], count[0]); |
| 360 | else if (transaction_run && |
| 361 | perf_evsel__cmp(counter, nth_evsel(T_ELISION_START))) |
| 362 | update_stats(&runtime_elision_stats[0], count[0]); |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 363 | else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) |
| 364 | update_stats(&runtime_stalled_cycles_front_stats[0], count[0]); |
Ingo Molnar | 129c04c | 2011-04-29 14:41:28 +0200 | [diff] [blame] | 365 | else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND)) |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 366 | update_stats(&runtime_stalled_cycles_back_stats[0], count[0]); |
Ingo Molnar | dcd9936 | 2011-04-27 04:36:37 +0200 | [diff] [blame] | 367 | else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS)) |
| 368 | update_stats(&runtime_branches_stats[0], count[0]); |
| 369 | else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES)) |
| 370 | update_stats(&runtime_cacherefs_stats[0], count[0]); |
Ingo Molnar | 8bb6c79 | 2011-04-27 13:25:24 +0200 | [diff] [blame] | 371 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D)) |
| 372 | update_stats(&runtime_l1_dcache_stats[0], count[0]); |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 373 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I)) |
| 374 | update_stats(&runtime_l1_icache_stats[0], count[0]); |
| 375 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL)) |
| 376 | update_stats(&runtime_ll_cache_stats[0], count[0]); |
| 377 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB)) |
| 378 | update_stats(&runtime_dtlb_cache_stats[0], count[0]); |
| 379 | else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB)) |
| 380 | update_stats(&runtime_itlb_cache_stats[0], count[0]); |
Ingo Molnar | dcd9936 | 2011-04-27 04:36:37 +0200 | [diff] [blame] | 381 | } |
| 382 | |
| 383 | /* |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 384 | * Read out the results of a single counter: |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 385 | * aggregate counts across CPUs in system-wide mode |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 386 | */ |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 387 | static int read_counter_aggr(struct perf_evsel *counter) |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 388 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 389 | struct perf_stat *ps = counter->priv; |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 390 | u64 *count = counter->counts->aggr.values; |
| 391 | int i; |
Ingo Molnar | c04f5e5 | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 392 | |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 393 | if (__perf_evsel__read(counter, perf_evsel__nr_cpus(counter), |
Namhyung Kim | b3a319d | 2013-03-11 16:43:14 +0900 | [diff] [blame] | 394 | thread_map__nr(evsel_list->threads), scale) < 0) |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 395 | return -1; |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 396 | |
| 397 | for (i = 0; i < 3; i++) |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 398 | update_stats(&ps->res_stats[i], count[i]); |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 399 | |
| 400 | if (verbose) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 401 | fprintf(output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n", |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 402 | perf_evsel__name(counter), count[0], count[1], count[2]); |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 403 | } |
| 404 | |
Ingo Molnar | be1ac0d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 405 | /* |
| 406 | * Save the full runtime - to allow normalization during printout: |
| 407 | */ |
Ingo Molnar | dcd9936 | 2011-04-27 04:36:37 +0200 | [diff] [blame] | 408 | update_shadow_stats(counter, count); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 409 | |
| 410 | return 0; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 411 | } |
| 412 | |
| 413 | /* |
| 414 | * Read out the results of a single counter: |
| 415 | * do not aggregate counts across CPUs in system-wide mode |
| 416 | */ |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 417 | static int read_counter(struct perf_evsel *counter) |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 418 | { |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 419 | u64 *count; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 420 | int cpu; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 421 | |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 422 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 423 | if (__perf_evsel__read_on_cpu(counter, cpu, 0, scale) < 0) |
| 424 | return -1; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 425 | |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 426 | count = counter->counts->cpu[cpu].values; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 427 | |
Ingo Molnar | dcd9936 | 2011-04-27 04:36:37 +0200 | [diff] [blame] | 428 | update_shadow_stats(counter, count); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 429 | } |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 430 | |
| 431 | return 0; |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 432 | } |
| 433 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 434 | static void print_interval(void) |
| 435 | { |
| 436 | static int num_print_interval; |
| 437 | struct perf_evsel *counter; |
| 438 | struct perf_stat *ps; |
| 439 | struct timespec ts, rs; |
| 440 | char prefix[64]; |
| 441 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 442 | if (aggr_mode == AGGR_GLOBAL) { |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 443 | list_for_each_entry(counter, &evsel_list->entries, node) { |
| 444 | ps = counter->priv; |
| 445 | memset(ps->res_stats, 0, sizeof(ps->res_stats)); |
| 446 | read_counter_aggr(counter); |
| 447 | } |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 448 | } else { |
| 449 | list_for_each_entry(counter, &evsel_list->entries, node) { |
| 450 | ps = counter->priv; |
| 451 | memset(ps->res_stats, 0, sizeof(ps->res_stats)); |
| 452 | read_counter(counter); |
| 453 | } |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 454 | } |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 455 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 456 | clock_gettime(CLOCK_MONOTONIC, &ts); |
| 457 | diff_timespec(&rs, &ts, &ref_time); |
| 458 | sprintf(prefix, "%6lu.%09lu%s", rs.tv_sec, rs.tv_nsec, csv_sep); |
| 459 | |
| 460 | if (num_print_interval == 0 && !csv_output) { |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 461 | switch (aggr_mode) { |
| 462 | case AGGR_SOCKET: |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 463 | fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit"); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 464 | break; |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 465 | case AGGR_CORE: |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 466 | fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit"); |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 467 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 468 | case AGGR_NONE: |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 469 | fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit"); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 470 | break; |
| 471 | case AGGR_GLOBAL: |
| 472 | default: |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 473 | fprintf(output, "# time counts %*s events\n", unit_width, "unit"); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 474 | } |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 475 | } |
| 476 | |
| 477 | if (++num_print_interval == 25) |
| 478 | num_print_interval = 0; |
| 479 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 480 | switch (aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 481 | case AGGR_CORE: |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 482 | case AGGR_SOCKET: |
| 483 | print_aggr(prefix); |
| 484 | break; |
| 485 | case AGGR_NONE: |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 486 | list_for_each_entry(counter, &evsel_list->entries, node) |
| 487 | print_counter(counter, prefix); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 488 | break; |
| 489 | case AGGR_GLOBAL: |
| 490 | default: |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 491 | list_for_each_entry(counter, &evsel_list->entries, node) |
| 492 | print_counter_aggr(counter, prefix); |
| 493 | } |
Andi Kleen | 2bbf03f | 2013-08-02 17:41:12 -0700 | [diff] [blame] | 494 | |
| 495 | fflush(output); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 496 | } |
| 497 | |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 498 | static void handle_initial_delay(void) |
| 499 | { |
| 500 | struct perf_evsel *counter; |
| 501 | |
| 502 | if (initial_delay) { |
| 503 | const int ncpus = cpu_map__nr(evsel_list->cpus), |
| 504 | nthreads = thread_map__nr(evsel_list->threads); |
| 505 | |
| 506 | usleep(initial_delay * 1000); |
| 507 | list_for_each_entry(counter, &evsel_list->entries, node) |
| 508 | perf_evsel__enable(counter, ncpus, nthreads); |
| 509 | } |
| 510 | } |
| 511 | |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame^] | 512 | static volatile bool workload_exec_failed; |
| 513 | |
| 514 | /* |
| 515 | * perf_evlist__prepare_workload will send a SIGUSR1 |
| 516 | * if the fork fails, since we asked by setting its |
| 517 | * want_signal to true. |
| 518 | */ |
| 519 | static void workload_exec_failed_signal(int signo __maybe_unused) |
| 520 | { |
| 521 | workload_exec_failed = true; |
| 522 | } |
| 523 | |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 524 | static int __run_perf_stat(int argc, const char **argv) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 525 | { |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 526 | char msg[512]; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 527 | unsigned long long t0, t1; |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 528 | struct perf_evsel *counter; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 529 | struct timespec ts; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 530 | size_t l; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 531 | int status = 0; |
Zhang, Yanmin | 6be2850 | 2010-03-18 11:36:03 -0300 | [diff] [blame] | 532 | const bool forks = (argc > 0); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 533 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 534 | if (interval) { |
| 535 | ts.tv_sec = interval / 1000; |
| 536 | ts.tv_nsec = (interval % 1000) * 1000000; |
| 537 | } else { |
| 538 | ts.tv_sec = 1; |
| 539 | ts.tv_nsec = 0; |
| 540 | } |
| 541 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 542 | if (forks) { |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 543 | if (perf_evlist__prepare_workload(evsel_list, &target, argv, |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame^] | 544 | false, true) < 0) { |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 545 | perror("failed to prepare workload"); |
| 546 | return -1; |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 547 | } |
Namhyung Kim | d20a47e | 2013-09-30 18:01:11 +0900 | [diff] [blame] | 548 | child_pid = evsel_list->workload.pid; |
Paul Mackerras | 051ae7f | 2009-06-29 21:13:21 +1000 | [diff] [blame] | 549 | } |
| 550 | |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 551 | if (group) |
Arnaldo Carvalho de Melo | 63dab22 | 2012-08-14 16:35:48 -0300 | [diff] [blame] | 552 | perf_evlist__set_leader(evsel_list); |
Jiri Olsa | 6a4bb04 | 2012-08-08 12:22:36 +0200 | [diff] [blame] | 553 | |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 554 | list_for_each_entry(counter, &evsel_list->entries, node) { |
Jiri Olsa | cac2142 | 2012-11-12 18:34:00 +0100 | [diff] [blame] | 555 | if (create_perf_stat_counter(counter) < 0) { |
David Ahern | 979987a | 2012-05-08 09:29:16 -0600 | [diff] [blame] | 556 | /* |
| 557 | * PPC returns ENXIO for HW counters until 2.6.37 |
| 558 | * (behavior changed with commit b0a873e). |
| 559 | */ |
Anton Blanchard | 38f6ae1 | 2011-12-02 09:38:33 +1100 | [diff] [blame] | 560 | if (errno == EINVAL || errno == ENOSYS || |
David Ahern | 979987a | 2012-05-08 09:29:16 -0600 | [diff] [blame] | 561 | errno == ENOENT || errno == EOPNOTSUPP || |
| 562 | errno == ENXIO) { |
David Ahern | c63ca0c | 2011-04-29 16:04:15 -0600 | [diff] [blame] | 563 | if (verbose) |
| 564 | 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] | 565 | perf_evsel__name(counter)); |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 566 | counter->supported = false; |
Ingo Molnar | ede7029 | 2011-04-28 08:48:42 +0200 | [diff] [blame] | 567 | continue; |
David Ahern | c63ca0c | 2011-04-29 16:04:15 -0600 | [diff] [blame] | 568 | } |
Ingo Molnar | ede7029 | 2011-04-28 08:48:42 +0200 | [diff] [blame] | 569 | |
Arnaldo Carvalho de Melo | 56e52e8 | 2012-12-13 15:10:58 -0300 | [diff] [blame] | 570 | perf_evsel__open_strerror(counter, &target, |
| 571 | errno, msg, sizeof(msg)); |
| 572 | ui__error("%s\n", msg); |
| 573 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 574 | if (child_pid != -1) |
| 575 | kill(child_pid, SIGTERM); |
David Ahern | fceda7f | 2012-08-26 12:24:44 -0600 | [diff] [blame] | 576 | |
Arnaldo Carvalho de Melo | 4829060 | 2011-01-03 17:48:12 -0200 | [diff] [blame] | 577 | return -1; |
| 578 | } |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 579 | counter->supported = true; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 580 | |
| 581 | l = strlen(counter->unit); |
| 582 | if (l > unit_width) |
| 583 | unit_width = l; |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 584 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 585 | |
Arnaldo Carvalho de Melo | 1491a63 | 2012-09-26 14:43:13 -0300 | [diff] [blame] | 586 | if (perf_evlist__apply_filters(evsel_list)) { |
Frederic Weisbecker | cfd748a | 2011-03-14 16:40:30 +0100 | [diff] [blame] | 587 | error("failed to set filter with %d (%s)\n", errno, |
| 588 | strerror(errno)); |
| 589 | return -1; |
| 590 | } |
| 591 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 592 | /* |
| 593 | * Enable counters and exec the command: |
| 594 | */ |
| 595 | t0 = rdclock(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 596 | clock_gettime(CLOCK_MONOTONIC, &ref_time); |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 597 | |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 598 | if (forks) { |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame^] | 599 | /* |
| 600 | * perf_evlist__prepare_workload will, after we call |
| 601 | * perf_evlist__start_Workload, send a SIGUSR1 if the exec call |
| 602 | * fails, that we will catch in workload_signal to flip |
| 603 | * workload_exec_failed. |
| 604 | */ |
| 605 | signal(SIGUSR1, workload_exec_failed_signal); |
| 606 | |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 607 | perf_evlist__start_workload(evsel_list); |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 608 | handle_initial_delay(); |
Namhyung Kim | acf2892 | 2013-03-11 16:43:18 +0900 | [diff] [blame] | 609 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 610 | if (interval) { |
| 611 | while (!waitpid(child_pid, &status, WNOHANG)) { |
| 612 | nanosleep(&ts, NULL); |
| 613 | print_interval(); |
| 614 | } |
| 615 | } |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 616 | wait(&status); |
Arnaldo Carvalho de Melo | 6af206f | 2013-12-28 15:45:08 -0300 | [diff] [blame^] | 617 | |
| 618 | if (workload_exec_failed) |
| 619 | return -1; |
| 620 | |
Andi Kleen | 33e49ea | 2011-09-15 14:31:40 -0700 | [diff] [blame] | 621 | if (WIFSIGNALED(status)) |
| 622 | psignal(WTERMSIG(status), argv[0]); |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 623 | } else { |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 624 | handle_initial_delay(); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 625 | while (!done) { |
| 626 | nanosleep(&ts, NULL); |
| 627 | if (interval) |
| 628 | print_interval(); |
| 629 | } |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 630 | } |
Ingo Molnar | 44db76c | 2009-06-03 19:36:07 +0200 | [diff] [blame] | 631 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 632 | t1 = rdclock(); |
| 633 | |
Peter Zijlstra | 9e9772c | 2009-09-04 15:36:08 +0200 | [diff] [blame] | 634 | update_stats(&walltime_nsecs_stats, t1 - t0); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 635 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 636 | if (aggr_mode == AGGR_GLOBAL) { |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 637 | list_for_each_entry(counter, &evsel_list->entries, node) { |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 638 | read_counter_aggr(counter); |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 639 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), |
Namhyung Kim | b3a319d | 2013-03-11 16:43:14 +0900 | [diff] [blame] | 640 | thread_map__nr(evsel_list->threads)); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 641 | } |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 642 | } else { |
| 643 | list_for_each_entry(counter, &evsel_list->entries, node) { |
| 644 | read_counter(counter); |
| 645 | perf_evsel__close_fd(counter, perf_evsel__nr_cpus(counter), 1); |
| 646 | } |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 647 | } |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 648 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 649 | return WEXITSTATUS(status); |
| 650 | } |
| 651 | |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 652 | static int run_perf_stat(int argc __maybe_unused, const char **argv) |
| 653 | { |
| 654 | int ret; |
| 655 | |
| 656 | if (pre_cmd) { |
| 657 | ret = system(pre_cmd); |
| 658 | if (ret) |
| 659 | return ret; |
| 660 | } |
| 661 | |
| 662 | if (sync_run) |
| 663 | sync(); |
| 664 | |
| 665 | ret = __run_perf_stat(argc, argv); |
| 666 | if (ret) |
| 667 | return ret; |
| 668 | |
| 669 | if (post_cmd) { |
| 670 | ret = system(post_cmd); |
| 671 | if (ret) |
| 672 | return ret; |
| 673 | } |
| 674 | |
| 675 | return ret; |
| 676 | } |
| 677 | |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 678 | static void print_noise_pct(double total, double avg) |
| 679 | { |
Xiao Guangrong | 0007ece | 2012-09-17 16:31:14 +0800 | [diff] [blame] | 680 | double pct = rel_stddev_stats(total, avg); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 681 | |
Zhengyu He | 3ae9a34d | 2011-06-23 13:45:42 -0700 | [diff] [blame] | 682 | if (csv_output) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 683 | fprintf(output, "%s%.2f%%", csv_sep, pct); |
Jim Cromie | a1bca6c | 2011-09-07 17:14:02 -0600 | [diff] [blame] | 684 | else if (pct) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 685 | fprintf(output, " ( +-%6.2f%% )", pct); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 686 | } |
| 687 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 688 | static void print_noise(struct perf_evsel *evsel, double avg) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 689 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 690 | struct perf_stat *ps; |
| 691 | |
Peter Zijlstra | 849abde | 2009-09-04 18:23:38 +0200 | [diff] [blame] | 692 | if (run_count == 1) |
| 693 | return; |
| 694 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 695 | ps = evsel->priv; |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 696 | print_noise_pct(stddev_stats(&ps->res_stats[0]), avg); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 697 | } |
| 698 | |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 699 | static void aggr_printout(struct perf_evsel *evsel, int id, int nr) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 700 | { |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 701 | switch (aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 702 | case AGGR_CORE: |
| 703 | fprintf(output, "S%d-C%*d%s%*d%s", |
| 704 | cpu_map__id_to_socket(id), |
| 705 | csv_output ? 0 : -8, |
| 706 | cpu_map__id_to_cpu(id), |
| 707 | csv_sep, |
| 708 | csv_output ? 0 : 4, |
| 709 | nr, |
| 710 | csv_sep); |
| 711 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 712 | case AGGR_SOCKET: |
| 713 | fprintf(output, "S%*d%s%*d%s", |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 714 | csv_output ? 0 : -5, |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 715 | id, |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 716 | csv_sep, |
| 717 | csv_output ? 0 : 4, |
| 718 | nr, |
| 719 | csv_sep); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 720 | break; |
| 721 | case AGGR_NONE: |
| 722 | fprintf(output, "CPU%*d%s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 723 | csv_output ? 0 : -4, |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 724 | perf_evsel__cpus(evsel)->map[id], csv_sep); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 725 | break; |
| 726 | case AGGR_GLOBAL: |
| 727 | default: |
| 728 | break; |
| 729 | } |
| 730 | } |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 731 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 732 | static void nsec_printout(int cpu, int nr, struct perf_evsel *evsel, double avg) |
| 733 | { |
| 734 | double msecs = avg / 1e6; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 735 | const char *fmt_v, *fmt_n; |
David Ahern | 4bbe5a6 | 2013-09-28 14:28:00 -0600 | [diff] [blame] | 736 | char name[25]; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 737 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 738 | fmt_v = csv_output ? "%.6f%s" : "%18.6f%s"; |
| 739 | fmt_n = csv_output ? "%s" : "%-25s"; |
| 740 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 741 | aggr_printout(evsel, cpu, nr); |
| 742 | |
David Ahern | 4bbe5a6 | 2013-09-28 14:28:00 -0600 | [diff] [blame] | 743 | scnprintf(name, sizeof(name), "%s%s", |
| 744 | perf_evsel__name(evsel), csv_output ? "" : " (msec)"); |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 745 | |
| 746 | fprintf(output, fmt_v, msecs, csv_sep); |
| 747 | |
| 748 | if (csv_output) |
| 749 | fprintf(output, "%s%s", evsel->unit, csv_sep); |
| 750 | else |
| 751 | fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep); |
| 752 | |
| 753 | fprintf(output, fmt_n, name); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 754 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 755 | if (evsel->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 756 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 757 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 758 | if (csv_output || interval) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 759 | return; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 760 | |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 761 | if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 762 | fprintf(output, " # %8.3f CPUs utilized ", |
| 763 | avg / avg_stats(&walltime_nsecs_stats)); |
Namhyung Kim | 9dac6a2 | 2012-02-06 16:44:45 +0900 | [diff] [blame] | 764 | else |
| 765 | fprintf(output, " "); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 766 | } |
| 767 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 768 | /* used for get_ratio_color() */ |
| 769 | enum grc_type { |
| 770 | GRC_STALLED_CYCLES_FE, |
| 771 | GRC_STALLED_CYCLES_BE, |
| 772 | GRC_CACHE_MISSES, |
| 773 | GRC_MAX_NR |
| 774 | }; |
| 775 | |
| 776 | static const char *get_ratio_color(enum grc_type type, double ratio) |
| 777 | { |
| 778 | static const double grc_table[GRC_MAX_NR][3] = { |
| 779 | [GRC_STALLED_CYCLES_FE] = { 50.0, 30.0, 10.0 }, |
| 780 | [GRC_STALLED_CYCLES_BE] = { 75.0, 50.0, 20.0 }, |
| 781 | [GRC_CACHE_MISSES] = { 20.0, 10.0, 5.0 }, |
| 782 | }; |
| 783 | const char *color = PERF_COLOR_NORMAL; |
| 784 | |
| 785 | if (ratio > grc_table[type][0]) |
| 786 | color = PERF_COLOR_RED; |
| 787 | else if (ratio > grc_table[type][1]) |
| 788 | color = PERF_COLOR_MAGENTA; |
| 789 | else if (ratio > grc_table[type][2]) |
| 790 | color = PERF_COLOR_YELLOW; |
| 791 | |
| 792 | return color; |
| 793 | } |
| 794 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 795 | static void print_stalled_cycles_frontend(int cpu, |
| 796 | struct perf_evsel *evsel |
| 797 | __maybe_unused, double avg) |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 798 | { |
| 799 | double total, ratio = 0.0; |
| 800 | const char *color; |
| 801 | |
| 802 | total = avg_stats(&runtime_cycles_stats[cpu]); |
| 803 | |
| 804 | if (total) |
| 805 | ratio = avg / total * 100.0; |
| 806 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 807 | color = get_ratio_color(GRC_STALLED_CYCLES_FE, ratio); |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 808 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 809 | fprintf(output, " # "); |
| 810 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 811 | fprintf(output, " frontend cycles idle "); |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 812 | } |
| 813 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 814 | static void print_stalled_cycles_backend(int cpu, |
| 815 | struct perf_evsel *evsel |
| 816 | __maybe_unused, double avg) |
Ingo Molnar | a5d243d | 2011-04-27 05:39:24 +0200 | [diff] [blame] | 817 | { |
| 818 | double total, ratio = 0.0; |
| 819 | const char *color; |
| 820 | |
| 821 | total = avg_stats(&runtime_cycles_stats[cpu]); |
| 822 | |
| 823 | if (total) |
| 824 | ratio = avg / total * 100.0; |
| 825 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 826 | color = get_ratio_color(GRC_STALLED_CYCLES_BE, ratio); |
Ingo Molnar | a5d243d | 2011-04-27 05:39:24 +0200 | [diff] [blame] | 827 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 828 | fprintf(output, " # "); |
| 829 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 830 | fprintf(output, " backend cycles idle "); |
Ingo Molnar | a5d243d | 2011-04-27 05:39:24 +0200 | [diff] [blame] | 831 | } |
| 832 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 833 | static void print_branch_misses(int cpu, |
| 834 | struct perf_evsel *evsel __maybe_unused, |
| 835 | double avg) |
Ingo Molnar | c78df6c | 2011-04-27 12:16:10 +0200 | [diff] [blame] | 836 | { |
| 837 | double total, ratio = 0.0; |
| 838 | const char *color; |
| 839 | |
| 840 | total = avg_stats(&runtime_branches_stats[cpu]); |
| 841 | |
| 842 | if (total) |
| 843 | ratio = avg / total * 100.0; |
| 844 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 845 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
Ingo Molnar | c78df6c | 2011-04-27 12:16:10 +0200 | [diff] [blame] | 846 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 847 | fprintf(output, " # "); |
| 848 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 849 | fprintf(output, " of all branches "); |
Ingo Molnar | c78df6c | 2011-04-27 12:16:10 +0200 | [diff] [blame] | 850 | } |
| 851 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 852 | static void print_l1_dcache_misses(int cpu, |
| 853 | struct perf_evsel *evsel __maybe_unused, |
| 854 | double avg) |
Ingo Molnar | 8bb6c79 | 2011-04-27 13:25:24 +0200 | [diff] [blame] | 855 | { |
| 856 | double total, ratio = 0.0; |
| 857 | const char *color; |
| 858 | |
| 859 | total = avg_stats(&runtime_l1_dcache_stats[cpu]); |
| 860 | |
| 861 | if (total) |
| 862 | ratio = avg / total * 100.0; |
| 863 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 864 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
Ingo Molnar | 8bb6c79 | 2011-04-27 13:25:24 +0200 | [diff] [blame] | 865 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 866 | fprintf(output, " # "); |
| 867 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 868 | fprintf(output, " of all L1-dcache hits "); |
Ingo Molnar | 8bb6c79 | 2011-04-27 13:25:24 +0200 | [diff] [blame] | 869 | } |
| 870 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 871 | static void print_l1_icache_misses(int cpu, |
| 872 | struct perf_evsel *evsel __maybe_unused, |
| 873 | double avg) |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 874 | { |
| 875 | double total, ratio = 0.0; |
| 876 | const char *color; |
| 877 | |
| 878 | total = avg_stats(&runtime_l1_icache_stats[cpu]); |
| 879 | |
| 880 | if (total) |
| 881 | ratio = avg / total * 100.0; |
| 882 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 883 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 884 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 885 | fprintf(output, " # "); |
| 886 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 887 | fprintf(output, " of all L1-icache hits "); |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 888 | } |
| 889 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 890 | static void print_dtlb_cache_misses(int cpu, |
| 891 | struct perf_evsel *evsel __maybe_unused, |
| 892 | double avg) |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 893 | { |
| 894 | double total, ratio = 0.0; |
| 895 | const char *color; |
| 896 | |
| 897 | total = avg_stats(&runtime_dtlb_cache_stats[cpu]); |
| 898 | |
| 899 | if (total) |
| 900 | ratio = avg / total * 100.0; |
| 901 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 902 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 903 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 904 | fprintf(output, " # "); |
| 905 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 906 | fprintf(output, " of all dTLB cache hits "); |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 907 | } |
| 908 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 909 | static void print_itlb_cache_misses(int cpu, |
| 910 | struct perf_evsel *evsel __maybe_unused, |
| 911 | double avg) |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 912 | { |
| 913 | double total, ratio = 0.0; |
| 914 | const char *color; |
| 915 | |
| 916 | total = avg_stats(&runtime_itlb_cache_stats[cpu]); |
| 917 | |
| 918 | if (total) |
| 919 | ratio = avg / total * 100.0; |
| 920 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 921 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 922 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 923 | fprintf(output, " # "); |
| 924 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 925 | fprintf(output, " of all iTLB cache hits "); |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 926 | } |
| 927 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 928 | static void print_ll_cache_misses(int cpu, |
| 929 | struct perf_evsel *evsel __maybe_unused, |
| 930 | double avg) |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 931 | { |
| 932 | double total, ratio = 0.0; |
| 933 | const char *color; |
| 934 | |
| 935 | total = avg_stats(&runtime_ll_cache_stats[cpu]); |
| 936 | |
| 937 | if (total) |
| 938 | ratio = avg / total * 100.0; |
| 939 | |
Namhyung Kim | 15e6392 | 2011-12-28 00:35:49 +0900 | [diff] [blame] | 940 | color = get_ratio_color(GRC_CACHE_MISSES, ratio); |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 941 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 942 | fprintf(output, " # "); |
| 943 | color_fprintf(output, color, "%6.2f%%", ratio); |
| 944 | fprintf(output, " of all LL-cache hits "); |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 945 | } |
| 946 | |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 947 | 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] | 948 | { |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 949 | double total, ratio = 0.0, total2; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 950 | double sc = evsel->scale; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 951 | const char *fmt; |
| 952 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 953 | if (csv_output) { |
| 954 | fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s"; |
| 955 | } else { |
| 956 | if (big_num) |
| 957 | fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s"; |
| 958 | else |
| 959 | fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s"; |
| 960 | } |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 961 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 962 | aggr_printout(evsel, cpu, nr); |
| 963 | |
| 964 | if (aggr_mode == AGGR_GLOBAL) |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 965 | cpu = 0; |
Ingo Molnar | c7f7fea | 2009-09-22 14:53:51 +0200 | [diff] [blame] | 966 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 967 | fprintf(output, fmt, avg, csv_sep); |
| 968 | |
| 969 | if (evsel->unit) |
| 970 | fprintf(output, "%-*s%s", |
| 971 | csv_output ? 0 : unit_width, |
| 972 | evsel->unit, csv_sep); |
| 973 | |
| 974 | fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel)); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 975 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 976 | if (evsel->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 977 | fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 978 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 979 | if (csv_output || interval) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 980 | return; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 981 | |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 982 | if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) { |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 983 | total = avg_stats(&runtime_cycles_stats[cpu]); |
Ramkumar Ramachandra | 3e7a081 | 2013-10-01 14:06:44 +0530 | [diff] [blame] | 984 | if (total) { |
Ingo Molnar | c7f7fea | 2009-09-22 14:53:51 +0200 | [diff] [blame] | 985 | ratio = avg / total; |
Ramkumar Ramachandra | 3e7a081 | 2013-10-01 14:06:44 +0530 | [diff] [blame] | 986 | fprintf(output, " # %5.2f insns per cycle ", ratio); |
| 987 | } |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 988 | total = avg_stats(&runtime_stalled_cycles_front_stats[cpu]); |
| 989 | total = max(total, avg_stats(&runtime_stalled_cycles_back_stats[cpu])); |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 990 | |
| 991 | if (total && avg) { |
| 992 | ratio = total / avg; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 993 | fprintf(output, "\n"); |
| 994 | if (aggr_mode == AGGR_NONE) |
| 995 | fprintf(output, " "); |
| 996 | fprintf(output, " # %5.2f stalled cycles per insn", ratio); |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 997 | } |
| 998 | |
Arnaldo Carvalho de Melo | daec78a | 2011-01-03 16:49:44 -0200 | [diff] [blame] | 999 | } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) && |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1000 | runtime_branches_stats[cpu].n != 0) { |
Ingo Molnar | c78df6c | 2011-04-27 12:16:10 +0200 | [diff] [blame] | 1001 | print_branch_misses(cpu, evsel, avg); |
Ingo Molnar | 8bb6c79 | 2011-04-27 13:25:24 +0200 | [diff] [blame] | 1002 | } else if ( |
| 1003 | evsel->attr.type == PERF_TYPE_HW_CACHE && |
| 1004 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1D | |
| 1005 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | |
| 1006 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && |
Ingo Molnar | c6264de | 2011-04-27 13:50:47 +0200 | [diff] [blame] | 1007 | runtime_l1_dcache_stats[cpu].n != 0) { |
Ingo Molnar | 8bb6c79 | 2011-04-27 13:25:24 +0200 | [diff] [blame] | 1008 | print_l1_dcache_misses(cpu, evsel, avg); |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 1009 | } else if ( |
| 1010 | evsel->attr.type == PERF_TYPE_HW_CACHE && |
| 1011 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_L1I | |
| 1012 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | |
| 1013 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && |
| 1014 | runtime_l1_icache_stats[cpu].n != 0) { |
| 1015 | print_l1_icache_misses(cpu, evsel, avg); |
| 1016 | } else if ( |
| 1017 | evsel->attr.type == PERF_TYPE_HW_CACHE && |
| 1018 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_DTLB | |
| 1019 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | |
| 1020 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && |
| 1021 | runtime_dtlb_cache_stats[cpu].n != 0) { |
| 1022 | print_dtlb_cache_misses(cpu, evsel, avg); |
| 1023 | } else if ( |
| 1024 | evsel->attr.type == PERF_TYPE_HW_CACHE && |
| 1025 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_ITLB | |
| 1026 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | |
| 1027 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && |
| 1028 | runtime_itlb_cache_stats[cpu].n != 0) { |
| 1029 | print_itlb_cache_misses(cpu, evsel, avg); |
| 1030 | } else if ( |
| 1031 | evsel->attr.type == PERF_TYPE_HW_CACHE && |
| 1032 | evsel->attr.config == ( PERF_COUNT_HW_CACHE_LL | |
| 1033 | ((PERF_COUNT_HW_CACHE_OP_READ) << 8) | |
| 1034 | ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16)) && |
| 1035 | runtime_ll_cache_stats[cpu].n != 0) { |
| 1036 | print_ll_cache_misses(cpu, evsel, avg); |
Ingo Molnar | d58f4c8 | 2011-04-27 03:42:18 +0200 | [diff] [blame] | 1037 | } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES) && |
| 1038 | runtime_cacherefs_stats[cpu].n != 0) { |
| 1039 | total = avg_stats(&runtime_cacherefs_stats[cpu]); |
| 1040 | |
| 1041 | if (total) |
| 1042 | ratio = avg * 100 / total; |
| 1043 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1044 | fprintf(output, " # %8.3f %% of all cache refs ", ratio); |
Ingo Molnar | d58f4c8 | 2011-04-27 03:42:18 +0200 | [diff] [blame] | 1045 | |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 1046 | } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) { |
| 1047 | print_stalled_cycles_frontend(cpu, evsel, avg); |
Ingo Molnar | 129c04c | 2011-04-29 14:41:28 +0200 | [diff] [blame] | 1048 | } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) { |
Ingo Molnar | d3d1e86 | 2011-04-29 13:49:08 +0200 | [diff] [blame] | 1049 | print_stalled_cycles_backend(cpu, evsel, avg); |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 1050 | } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) { |
| 1051 | total = avg_stats(&runtime_nsecs_stats[cpu]); |
| 1052 | |
Ramkumar Ramachandra | c458fe6 | 2013-09-30 16:43:05 +0530 | [diff] [blame] | 1053 | if (total) { |
| 1054 | ratio = avg / total; |
| 1055 | fprintf(output, " # %8.3f GHz ", ratio); |
| 1056 | } |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1057 | } else if (transaction_run && |
| 1058 | perf_evsel__cmp(evsel, nth_evsel(T_CYCLES_IN_TX))) { |
| 1059 | total = avg_stats(&runtime_cycles_stats[cpu]); |
| 1060 | if (total) |
| 1061 | fprintf(output, |
| 1062 | " # %5.2f%% transactional cycles ", |
| 1063 | 100.0 * (avg / total)); |
| 1064 | } else if (transaction_run && |
| 1065 | perf_evsel__cmp(evsel, nth_evsel(T_CYCLES_IN_TX_CP))) { |
| 1066 | total = avg_stats(&runtime_cycles_stats[cpu]); |
| 1067 | total2 = avg_stats(&runtime_cycles_in_tx_stats[cpu]); |
| 1068 | if (total2 < avg) |
| 1069 | total2 = avg; |
| 1070 | if (total) |
| 1071 | fprintf(output, |
| 1072 | " # %5.2f%% aborted cycles ", |
| 1073 | 100.0 * ((total2-avg) / total)); |
| 1074 | } else if (transaction_run && |
| 1075 | perf_evsel__cmp(evsel, nth_evsel(T_TRANSACTION_START)) && |
| 1076 | avg > 0 && |
| 1077 | runtime_cycles_in_tx_stats[cpu].n != 0) { |
| 1078 | total = avg_stats(&runtime_cycles_in_tx_stats[cpu]); |
| 1079 | |
| 1080 | if (total) |
| 1081 | ratio = total / avg; |
| 1082 | |
| 1083 | fprintf(output, " # %8.0f cycles / transaction ", ratio); |
| 1084 | } else if (transaction_run && |
| 1085 | perf_evsel__cmp(evsel, nth_evsel(T_ELISION_START)) && |
| 1086 | avg > 0 && |
| 1087 | runtime_cycles_in_tx_stats[cpu].n != 0) { |
| 1088 | total = avg_stats(&runtime_cycles_in_tx_stats[cpu]); |
| 1089 | |
| 1090 | if (total) |
| 1091 | ratio = total / avg; |
| 1092 | |
| 1093 | fprintf(output, " # %8.0f cycles / elision ", ratio); |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 1094 | } else if (runtime_nsecs_stats[cpu].n != 0) { |
Namhyung Kim | 5fde2523 | 2012-02-06 16:44:44 +0900 | [diff] [blame] | 1095 | char unit = 'M'; |
| 1096 | |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 1097 | total = avg_stats(&runtime_nsecs_stats[cpu]); |
| 1098 | |
| 1099 | if (total) |
| 1100 | ratio = 1000.0 * avg / total; |
Namhyung Kim | 5fde2523 | 2012-02-06 16:44:44 +0900 | [diff] [blame] | 1101 | if (ratio < 0.001) { |
| 1102 | ratio *= 1000; |
| 1103 | unit = 'K'; |
| 1104 | } |
Ingo Molnar | 481f988 | 2011-04-27 04:34:16 +0200 | [diff] [blame] | 1105 | |
Namhyung Kim | 5fde2523 | 2012-02-06 16:44:44 +0900 | [diff] [blame] | 1106 | fprintf(output, " # %8.3f %c/sec ", ratio, unit); |
Ingo Molnar | a5d243d | 2011-04-27 05:39:24 +0200 | [diff] [blame] | 1107 | } else { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1108 | fprintf(output, " "); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1109 | } |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1110 | } |
| 1111 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1112 | static void print_aggr(char *prefix) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1113 | { |
| 1114 | struct perf_evsel *counter; |
Stephane Eranian | 582ec082 | 2013-07-05 19:06:45 +0200 | [diff] [blame] | 1115 | int cpu, cpu2, s, s2, id, nr; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1116 | double uval; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1117 | u64 ena, run, val; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1118 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1119 | if (!(aggr_map || aggr_get_id)) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1120 | return; |
| 1121 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1122 | for (s = 0; s < aggr_map->nr; s++) { |
| 1123 | id = aggr_map->map[s]; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1124 | list_for_each_entry(counter, &evsel_list->entries, node) { |
| 1125 | val = ena = run = 0; |
| 1126 | nr = 0; |
| 1127 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
Stephane Eranian | 582ec082 | 2013-07-05 19:06:45 +0200 | [diff] [blame] | 1128 | cpu2 = perf_evsel__cpus(counter)->map[cpu]; |
| 1129 | s2 = aggr_get_id(evsel_list->cpus, cpu2); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1130 | if (s2 != id) |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1131 | continue; |
| 1132 | val += counter->counts->cpu[cpu].val; |
| 1133 | ena += counter->counts->cpu[cpu].ena; |
| 1134 | run += counter->counts->cpu[cpu].run; |
| 1135 | nr++; |
| 1136 | } |
| 1137 | if (prefix) |
| 1138 | fprintf(output, "%s", prefix); |
| 1139 | |
| 1140 | if (run == 0 || ena == 0) { |
Stephane Eranian | 582ec082 | 2013-07-05 19:06:45 +0200 | [diff] [blame] | 1141 | aggr_printout(counter, id, nr); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1142 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1143 | fprintf(output, "%*s%s", |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1144 | csv_output ? 0 : 18, |
| 1145 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1146 | csv_sep); |
| 1147 | |
| 1148 | fprintf(output, "%-*s%s", |
| 1149 | csv_output ? 0 : unit_width, |
| 1150 | counter->unit, csv_sep); |
| 1151 | |
| 1152 | fprintf(output, "%*s", |
| 1153 | csv_output ? 0 : -25, |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1154 | perf_evsel__name(counter)); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1155 | |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1156 | if (counter->cgrp) |
| 1157 | fprintf(output, "%s%s", |
| 1158 | csv_sep, counter->cgrp->name); |
| 1159 | |
| 1160 | fputc('\n', output); |
| 1161 | continue; |
| 1162 | } |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1163 | uval = val * counter->scale; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1164 | |
| 1165 | if (nsec_counter(counter)) |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1166 | nsec_printout(id, nr, counter, uval); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1167 | else |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1168 | abs_printout(id, nr, counter, uval); |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1169 | |
| 1170 | if (!csv_output) { |
| 1171 | print_noise(counter, 1.0); |
| 1172 | |
| 1173 | if (run != ena) |
| 1174 | fprintf(output, " (%.2f%%)", |
| 1175 | 100.0 * run / ena); |
| 1176 | } |
| 1177 | fputc('\n', output); |
| 1178 | } |
| 1179 | } |
| 1180 | } |
| 1181 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1182 | /* |
| 1183 | * Print out the results of a single counter: |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1184 | * aggregated counts in system-wide mode |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1185 | */ |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1186 | static void print_counter_aggr(struct perf_evsel *counter, char *prefix) |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1187 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1188 | struct perf_stat *ps = counter->priv; |
| 1189 | double avg = avg_stats(&ps->res_stats[0]); |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 1190 | int scaled = counter->counts->scaled; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1191 | double uval; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1192 | |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1193 | if (prefix) |
| 1194 | fprintf(output, "%s", prefix); |
| 1195 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1196 | if (scaled == -1) { |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1197 | fprintf(output, "%*s%s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1198 | csv_output ? 0 : 18, |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 1199 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1200 | csv_sep); |
| 1201 | fprintf(output, "%-*s%s", |
| 1202 | csv_output ? 0 : unit_width, |
| 1203 | counter->unit, csv_sep); |
| 1204 | fprintf(output, "%*s", |
| 1205 | csv_output ? 0 : -25, |
Arnaldo Carvalho de Melo | 7289f83 | 2012-06-12 12:34:58 -0300 | [diff] [blame] | 1206 | perf_evsel__name(counter)); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1207 | |
| 1208 | if (counter->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1209 | fprintf(output, "%s%s", csv_sep, counter->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1210 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1211 | fputc('\n', output); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1212 | return; |
| 1213 | } |
| 1214 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1215 | uval = avg * counter->scale; |
| 1216 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1217 | if (nsec_counter(counter)) |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1218 | nsec_printout(-1, 0, counter, uval); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1219 | else |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1220 | abs_printout(-1, 0, counter, uval); |
Peter Zijlstra | 849abde | 2009-09-04 18:23:38 +0200 | [diff] [blame] | 1221 | |
Zhengyu He | 3ae9a34d | 2011-06-23 13:45:42 -0700 | [diff] [blame] | 1222 | print_noise(counter, avg); |
| 1223 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1224 | if (csv_output) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1225 | fputc('\n', output); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1226 | return; |
| 1227 | } |
| 1228 | |
Peter Zijlstra | 506d4bc | 2009-09-04 15:36:12 +0200 | [diff] [blame] | 1229 | if (scaled) { |
| 1230 | double avg_enabled, avg_running; |
| 1231 | |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1232 | avg_enabled = avg_stats(&ps->res_stats[1]); |
| 1233 | avg_running = avg_stats(&ps->res_stats[2]); |
Peter Zijlstra | 506d4bc | 2009-09-04 15:36:12 +0200 | [diff] [blame] | 1234 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1235 | fprintf(output, " [%5.2f%%]", 100 * avg_running / avg_enabled); |
Peter Zijlstra | 506d4bc | 2009-09-04 15:36:12 +0200 | [diff] [blame] | 1236 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1237 | fprintf(output, "\n"); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1238 | } |
| 1239 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1240 | /* |
| 1241 | * Print out the results of a single counter: |
| 1242 | * does not use aggregated count in system-wide |
| 1243 | */ |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1244 | static void print_counter(struct perf_evsel *counter, char *prefix) |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1245 | { |
| 1246 | u64 ena, run, val; |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1247 | double uval; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1248 | int cpu; |
| 1249 | |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 1250 | for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { |
Arnaldo Carvalho de Melo | c52b12e | 2011-01-03 17:45:52 -0200 | [diff] [blame] | 1251 | val = counter->counts->cpu[cpu].val; |
| 1252 | ena = counter->counts->cpu[cpu].ena; |
| 1253 | run = counter->counts->cpu[cpu].run; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1254 | |
| 1255 | if (prefix) |
| 1256 | fprintf(output, "%s", prefix); |
| 1257 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1258 | if (run == 0 || ena == 0) { |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1259 | fprintf(output, "CPU%*d%s%*s%s", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1260 | csv_output ? 0 : -4, |
Yan, Zheng | 7ae92e7 | 2012-09-10 15:53:50 +0800 | [diff] [blame] | 1261 | perf_evsel__cpus(counter)->map[cpu], csv_sep, |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1262 | csv_output ? 0 : 18, |
David Ahern | 2cee77c | 2011-05-30 08:55:59 -0600 | [diff] [blame] | 1263 | counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1264 | csv_sep); |
| 1265 | |
| 1266 | fprintf(output, "%-*s%s", |
| 1267 | csv_output ? 0 : unit_width, |
| 1268 | counter->unit, csv_sep); |
| 1269 | |
| 1270 | fprintf(output, "%*s", |
| 1271 | csv_output ? 0 : -25, |
| 1272 | perf_evsel__name(counter)); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1273 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1274 | if (counter->cgrp) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1275 | fprintf(output, "%s%s", |
| 1276 | csv_sep, counter->cgrp->name); |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1277 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1278 | fputc('\n', output); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1279 | continue; |
| 1280 | } |
| 1281 | |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1282 | uval = val * counter->scale; |
| 1283 | |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1284 | if (nsec_counter(counter)) |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1285 | nsec_printout(cpu, 0, counter, uval); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1286 | else |
Stephane Eranian | 410136f | 2013-11-12 17:58:49 +0100 | [diff] [blame] | 1287 | abs_printout(cpu, 0, counter, uval); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1288 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1289 | if (!csv_output) { |
| 1290 | print_noise(counter, 1.0); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1291 | |
Ingo Molnar | c6264de | 2011-04-27 13:50:47 +0200 | [diff] [blame] | 1292 | if (run != ena) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1293 | fprintf(output, " (%.2f%%)", |
| 1294 | 100.0 * run / ena); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1295 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1296 | fputc('\n', output); |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1297 | } |
| 1298 | } |
| 1299 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1300 | static void print_stat(int argc, const char **argv) |
| 1301 | { |
Arnaldo Carvalho de Melo | 69aad6f | 2011-01-03 16:39:04 -0200 | [diff] [blame] | 1302 | struct perf_evsel *counter; |
| 1303 | int i; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1304 | |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1305 | fflush(stdout); |
| 1306 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1307 | if (!csv_output) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1308 | fprintf(output, "\n"); |
| 1309 | fprintf(output, " Performance counter stats for "); |
David Ahern | 62d3b61 | 2013-09-28 14:27:58 -0600 | [diff] [blame] | 1310 | if (target.system_wide) |
| 1311 | fprintf(output, "\'system wide"); |
| 1312 | else if (target.cpu_list) |
| 1313 | fprintf(output, "\'CPU(s) %s", target.cpu_list); |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1314 | else if (!target__has_task(&target)) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1315 | fprintf(output, "\'%s", argv[0]); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1316 | for (i = 1; i < argc; i++) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1317 | fprintf(output, " %s", argv[i]); |
Namhyung Kim | 20f946b | 2012-04-26 14:15:16 +0900 | [diff] [blame] | 1318 | } else if (target.pid) |
| 1319 | fprintf(output, "process id \'%s", target.pid); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1320 | else |
Namhyung Kim | 20f946b | 2012-04-26 14:15:16 +0900 | [diff] [blame] | 1321 | fprintf(output, "thread id \'%s", target.tid); |
Ingo Molnar | 44db76c | 2009-06-03 19:36:07 +0200 | [diff] [blame] | 1322 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1323 | fprintf(output, "\'"); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1324 | if (run_count > 1) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1325 | fprintf(output, " (%d runs)", run_count); |
| 1326 | fprintf(output, ":\n\n"); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1327 | } |
Ingo Molnar | 2996f5d | 2009-05-29 09:10:54 +0200 | [diff] [blame] | 1328 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1329 | switch (aggr_mode) { |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1330 | case AGGR_CORE: |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1331 | case AGGR_SOCKET: |
| 1332 | print_aggr(NULL); |
| 1333 | break; |
| 1334 | case AGGR_GLOBAL: |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1335 | list_for_each_entry(counter, &evsel_list->entries, node) |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1336 | print_counter_aggr(counter, NULL); |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1337 | break; |
| 1338 | case AGGR_NONE: |
| 1339 | list_for_each_entry(counter, &evsel_list->entries, node) |
| 1340 | print_counter(counter, NULL); |
| 1341 | break; |
| 1342 | default: |
| 1343 | break; |
Stephane Eranian | f5b4a9c3 | 2010-11-16 11:05:01 +0200 | [diff] [blame] | 1344 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1345 | |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1346 | if (!csv_output) { |
Ingo Molnar | c3305257 | 2011-05-19 14:01:42 +0200 | [diff] [blame] | 1347 | if (!null_run) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1348 | fprintf(output, "\n"); |
| 1349 | fprintf(output, " %17.9f seconds time elapsed", |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1350 | avg_stats(&walltime_nsecs_stats)/1e9); |
| 1351 | if (run_count > 1) { |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1352 | fprintf(output, " "); |
Ingo Molnar | f99844c | 2011-04-27 05:35:39 +0200 | [diff] [blame] | 1353 | print_noise_pct(stddev_stats(&walltime_nsecs_stats), |
| 1354 | avg_stats(&walltime_nsecs_stats)); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1355 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1356 | fprintf(output, "\n\n"); |
Ingo Molnar | 566747e | 2009-06-27 06:24:32 +0200 | [diff] [blame] | 1357 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1358 | } |
| 1359 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1360 | static volatile int signr = -1; |
| 1361 | |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1362 | static void skip_signal(int signo) |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1363 | { |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1364 | if ((child_pid == -1) || interval) |
Liming Wang | 60666c6 | 2009-12-31 16:05:50 +0800 | [diff] [blame] | 1365 | done = 1; |
| 1366 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1367 | signr = signo; |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 1368 | /* |
| 1369 | * render child_pid harmless |
| 1370 | * won't send SIGTERM to a random |
| 1371 | * process in case of race condition |
| 1372 | * and fast PID recycling |
| 1373 | */ |
| 1374 | child_pid = -1; |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1375 | } |
| 1376 | |
| 1377 | static void sig_atexit(void) |
| 1378 | { |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 1379 | sigset_t set, oset; |
| 1380 | |
| 1381 | /* |
| 1382 | * avoid race condition with SIGCHLD handler |
| 1383 | * in skip_signal() which is modifying child_pid |
| 1384 | * goal is to avoid send SIGTERM to a random |
| 1385 | * process |
| 1386 | */ |
| 1387 | sigemptyset(&set); |
| 1388 | sigaddset(&set, SIGCHLD); |
| 1389 | sigprocmask(SIG_BLOCK, &set, &oset); |
| 1390 | |
Chris Wilson | 933da83 | 2009-10-04 01:35:01 +0100 | [diff] [blame] | 1391 | if (child_pid != -1) |
| 1392 | kill(child_pid, SIGTERM); |
| 1393 | |
Stephane Eranian | d07f0b1 | 2013-06-04 17:44:26 +0200 | [diff] [blame] | 1394 | sigprocmask(SIG_SETMASK, &oset, NULL); |
| 1395 | |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1396 | if (signr == -1) |
| 1397 | return; |
| 1398 | |
| 1399 | signal(signr, SIG_DFL); |
| 1400 | kill(getpid(), signr); |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1401 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1402 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1403 | static int stat__set_big_num(const struct option *opt __maybe_unused, |
| 1404 | const char *s __maybe_unused, int unset) |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1405 | { |
| 1406 | big_num_opt = unset ? 0 : 1; |
| 1407 | return 0; |
| 1408 | } |
| 1409 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1410 | static int perf_stat_init_aggr_mode(void) |
| 1411 | { |
| 1412 | switch (aggr_mode) { |
| 1413 | case AGGR_SOCKET: |
| 1414 | if (cpu_map__build_socket_map(evsel_list->cpus, &aggr_map)) { |
| 1415 | perror("cannot build socket map"); |
| 1416 | return -1; |
| 1417 | } |
| 1418 | aggr_get_id = cpu_map__get_socket; |
| 1419 | break; |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1420 | case AGGR_CORE: |
| 1421 | if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) { |
| 1422 | perror("cannot build core map"); |
| 1423 | return -1; |
| 1424 | } |
| 1425 | aggr_get_id = cpu_map__get_core; |
| 1426 | break; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1427 | case AGGR_NONE: |
| 1428 | case AGGR_GLOBAL: |
| 1429 | default: |
| 1430 | break; |
| 1431 | } |
| 1432 | return 0; |
| 1433 | } |
| 1434 | |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1435 | static int setup_events(const char * const *attrs, unsigned len) |
| 1436 | { |
| 1437 | unsigned i; |
| 1438 | |
| 1439 | for (i = 0; i < len; i++) { |
| 1440 | if (parse_events(evsel_list, attrs[i])) |
| 1441 | return -1; |
| 1442 | } |
| 1443 | return 0; |
| 1444 | } |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1445 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1446 | /* |
| 1447 | * Add default attributes, if there were no attributes specified or |
| 1448 | * if -d/--detailed, -d -d or -d -d -d is used: |
| 1449 | */ |
| 1450 | static int add_default_attributes(void) |
| 1451 | { |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1452 | struct perf_event_attr default_attrs[] = { |
| 1453 | |
| 1454 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, |
| 1455 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CONTEXT_SWITCHES }, |
| 1456 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_MIGRATIONS }, |
| 1457 | { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_PAGE_FAULTS }, |
| 1458 | |
| 1459 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES }, |
| 1460 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, |
| 1461 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_STALLED_CYCLES_BACKEND }, |
| 1462 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_INSTRUCTIONS }, |
| 1463 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, |
| 1464 | { .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_BRANCH_MISSES }, |
| 1465 | |
| 1466 | }; |
| 1467 | |
| 1468 | /* |
| 1469 | * Detailed stats (-d), covering the L1 and last level data caches: |
| 1470 | */ |
| 1471 | struct perf_event_attr detailed_attrs[] = { |
| 1472 | |
| 1473 | { .type = PERF_TYPE_HW_CACHE, |
| 1474 | .config = |
| 1475 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1476 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1477 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1478 | |
| 1479 | { .type = PERF_TYPE_HW_CACHE, |
| 1480 | .config = |
| 1481 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1482 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1483 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1484 | |
| 1485 | { .type = PERF_TYPE_HW_CACHE, |
| 1486 | .config = |
| 1487 | PERF_COUNT_HW_CACHE_LL << 0 | |
| 1488 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1489 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1490 | |
| 1491 | { .type = PERF_TYPE_HW_CACHE, |
| 1492 | .config = |
| 1493 | PERF_COUNT_HW_CACHE_LL << 0 | |
| 1494 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1495 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1496 | }; |
| 1497 | |
| 1498 | /* |
| 1499 | * Very detailed stats (-d -d), covering the instruction cache and the TLB caches: |
| 1500 | */ |
| 1501 | struct perf_event_attr very_detailed_attrs[] = { |
| 1502 | |
| 1503 | { .type = PERF_TYPE_HW_CACHE, |
| 1504 | .config = |
| 1505 | PERF_COUNT_HW_CACHE_L1I << 0 | |
| 1506 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1507 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1508 | |
| 1509 | { .type = PERF_TYPE_HW_CACHE, |
| 1510 | .config = |
| 1511 | PERF_COUNT_HW_CACHE_L1I << 0 | |
| 1512 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1513 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1514 | |
| 1515 | { .type = PERF_TYPE_HW_CACHE, |
| 1516 | .config = |
| 1517 | PERF_COUNT_HW_CACHE_DTLB << 0 | |
| 1518 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1519 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1520 | |
| 1521 | { .type = PERF_TYPE_HW_CACHE, |
| 1522 | .config = |
| 1523 | PERF_COUNT_HW_CACHE_DTLB << 0 | |
| 1524 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1525 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1526 | |
| 1527 | { .type = PERF_TYPE_HW_CACHE, |
| 1528 | .config = |
| 1529 | PERF_COUNT_HW_CACHE_ITLB << 0 | |
| 1530 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1531 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1532 | |
| 1533 | { .type = PERF_TYPE_HW_CACHE, |
| 1534 | .config = |
| 1535 | PERF_COUNT_HW_CACHE_ITLB << 0 | |
| 1536 | (PERF_COUNT_HW_CACHE_OP_READ << 8) | |
| 1537 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1538 | |
| 1539 | }; |
| 1540 | |
| 1541 | /* |
| 1542 | * Very, very detailed stats (-d -d -d), adding prefetch events: |
| 1543 | */ |
| 1544 | struct perf_event_attr very_very_detailed_attrs[] = { |
| 1545 | |
| 1546 | { .type = PERF_TYPE_HW_CACHE, |
| 1547 | .config = |
| 1548 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1549 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | |
| 1550 | (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) }, |
| 1551 | |
| 1552 | { .type = PERF_TYPE_HW_CACHE, |
| 1553 | .config = |
| 1554 | PERF_COUNT_HW_CACHE_L1D << 0 | |
| 1555 | (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | |
| 1556 | (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) }, |
| 1557 | }; |
| 1558 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1559 | /* Set attrs if no event is selected and !null_run: */ |
| 1560 | if (null_run) |
| 1561 | return 0; |
| 1562 | |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1563 | if (transaction_run) { |
| 1564 | int err; |
| 1565 | if (pmu_have_event("cpu", "cycles-ct") && |
| 1566 | pmu_have_event("cpu", "el-start")) |
| 1567 | err = setup_events(transaction_attrs, |
| 1568 | ARRAY_SIZE(transaction_attrs)); |
| 1569 | else |
| 1570 | err = setup_events(transaction_limited_attrs, |
| 1571 | ARRAY_SIZE(transaction_limited_attrs)); |
| 1572 | if (err < 0) { |
| 1573 | fprintf(stderr, "Cannot set up transaction events\n"); |
| 1574 | return -1; |
| 1575 | } |
| 1576 | return 0; |
| 1577 | } |
| 1578 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1579 | if (!evsel_list->nr_entries) { |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1580 | 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] | 1581 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1582 | } |
| 1583 | |
| 1584 | /* Detailed events get appended to the event list: */ |
| 1585 | |
| 1586 | if (detailed_run < 1) |
| 1587 | return 0; |
| 1588 | |
| 1589 | /* Append detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1590 | 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] | 1591 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1592 | |
| 1593 | if (detailed_run < 2) |
| 1594 | return 0; |
| 1595 | |
| 1596 | /* Append very detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1597 | 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] | 1598 | return -1; |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1599 | |
| 1600 | if (detailed_run < 3) |
| 1601 | return 0; |
| 1602 | |
| 1603 | /* Append very, very detailed run extra attributes: */ |
Arnaldo Carvalho de Melo | 79695e1 | 2012-05-30 13:53:54 -0300 | [diff] [blame] | 1604 | return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs); |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1605 | } |
| 1606 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 1607 | 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] | 1608 | { |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 1609 | bool append_file = false; |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1610 | int output_fd = 0; |
| 1611 | const char *output_name = NULL; |
| 1612 | const struct option options[] = { |
Andi Kleen | 4cabc3d | 2013-08-21 16:47:26 -0700 | [diff] [blame] | 1613 | OPT_BOOLEAN('T', "transaction", &transaction_run, |
| 1614 | "hardware transaction statistics"), |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1615 | OPT_CALLBACK('e', "event", &evsel_list, "event", |
| 1616 | "event selector. use 'perf list' to list available events", |
| 1617 | parse_events_option), |
| 1618 | OPT_CALLBACK(0, "filter", &evsel_list, "filter", |
| 1619 | "event filter", parse_filter), |
| 1620 | OPT_BOOLEAN('i', "no-inherit", &no_inherit, |
| 1621 | "child tasks do not inherit counters"), |
| 1622 | OPT_STRING('p', "pid", &target.pid, "pid", |
| 1623 | "stat events on existing process id"), |
| 1624 | OPT_STRING('t', "tid", &target.tid, "tid", |
| 1625 | "stat events on existing thread id"), |
| 1626 | OPT_BOOLEAN('a', "all-cpus", &target.system_wide, |
| 1627 | "system-wide collection from all CPUs"), |
| 1628 | OPT_BOOLEAN('g', "group", &group, |
| 1629 | "put the counters into a counter group"), |
| 1630 | OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"), |
| 1631 | OPT_INCR('v', "verbose", &verbose, |
| 1632 | "be more verbose (show counter open errors, etc)"), |
| 1633 | OPT_INTEGER('r', "repeat", &run_count, |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1634 | "repeat command and print average + stddev (max: 100, forever: 0)"), |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1635 | OPT_BOOLEAN('n', "null", &null_run, |
| 1636 | "null run - dont start any counters"), |
| 1637 | OPT_INCR('d', "detailed", &detailed_run, |
| 1638 | "detailed run - start a lot of events"), |
| 1639 | OPT_BOOLEAN('S', "sync", &sync_run, |
| 1640 | "call sync() before starting a run"), |
| 1641 | OPT_CALLBACK_NOOPT('B', "big-num", NULL, NULL, |
| 1642 | "print large numbers with thousands\' separators", |
| 1643 | stat__set_big_num), |
| 1644 | OPT_STRING('C', "cpu", &target.cpu_list, "cpu", |
| 1645 | "list of cpus to monitor in system-wide"), |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1646 | OPT_SET_UINT('A', "no-aggr", &aggr_mode, |
| 1647 | "disable CPU count aggregation", AGGR_NONE), |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1648 | OPT_STRING('x', "field-separator", &csv_sep, "separator", |
| 1649 | "print counts with custom separator"), |
| 1650 | OPT_CALLBACK('G', "cgroup", &evsel_list, "name", |
| 1651 | "monitor event in cgroup name only", parse_cgroups), |
| 1652 | OPT_STRING('o', "output", &output_name, "file", "output file name"), |
| 1653 | OPT_BOOLEAN(0, "append", &append_file, "append to the output file"), |
| 1654 | OPT_INTEGER(0, "log-fd", &output_fd, |
| 1655 | "log output to fd, instead of stderr"), |
Peter Zijlstra | 1f16c57 | 2012-10-23 13:40:14 +0200 | [diff] [blame] | 1656 | OPT_STRING(0, "pre", &pre_cmd, "command", |
| 1657 | "command to run prior to the measured command"), |
| 1658 | OPT_STRING(0, "post", &post_cmd, "command", |
| 1659 | "command to run after to the measured command"), |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1660 | OPT_UINTEGER('I', "interval-print", &interval, |
| 1661 | "print counts at regular interval in ms (>= 100)"), |
Stephane Eranian | d430495 | 2013-02-14 13:57:28 +0100 | [diff] [blame] | 1662 | OPT_SET_UINT(0, "per-socket", &aggr_mode, |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1663 | "aggregate counts per processor socket", AGGR_SOCKET), |
Stephane Eranian | 12c08a9 | 2013-02-14 13:57:29 +0100 | [diff] [blame] | 1664 | OPT_SET_UINT(0, "per-core", &aggr_mode, |
| 1665 | "aggregate counts per physical processor core", AGGR_CORE), |
Andi Kleen | 4119168 | 2013-08-02 17:41:11 -0700 | [diff] [blame] | 1666 | OPT_UINTEGER('D', "delay", &initial_delay, |
| 1667 | "ms to wait before starting measurement after program start"), |
Arnaldo Carvalho de Melo | b070a547 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 1668 | OPT_END() |
| 1669 | }; |
| 1670 | const char * const stat_usage[] = { |
| 1671 | "perf stat [<options>] [<command>]", |
| 1672 | NULL |
| 1673 | }; |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1674 | int status = -EINVAL, run_idx; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1675 | const char *mode; |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1676 | |
Stephane Eranian | 5af52b5 | 2010-05-18 15:00:01 +0200 | [diff] [blame] | 1677 | setlocale(LC_ALL, ""); |
| 1678 | |
Namhyung Kim | 334fe7a | 2013-03-11 16:43:12 +0900 | [diff] [blame] | 1679 | evsel_list = perf_evlist__new(); |
Arnaldo Carvalho de Melo | 361c99a | 2011-01-11 20:56:53 -0200 | [diff] [blame] | 1680 | if (evsel_list == NULL) |
| 1681 | return -ENOMEM; |
| 1682 | |
Anton Blanchard | a054123 | 2009-07-22 23:04:12 +1000 | [diff] [blame] | 1683 | argc = parse_options(argc, argv, options, stat_usage, |
| 1684 | PARSE_OPT_STOP_AT_NON_OPTION); |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1685 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1686 | output = stderr; |
| 1687 | if (output_name && strcmp(output_name, "-")) |
| 1688 | output = NULL; |
| 1689 | |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 1690 | if (output_name && output_fd) { |
| 1691 | fprintf(stderr, "cannot use both --output and --log-fd\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1692 | parse_options_usage(stat_usage, options, "o", 1); |
| 1693 | parse_options_usage(NULL, options, "log-fd", 0); |
| 1694 | goto out; |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 1695 | } |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 1696 | |
| 1697 | if (output_fd < 0) { |
| 1698 | fprintf(stderr, "argument to --log-fd must be a > 0\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1699 | parse_options_usage(stat_usage, options, "log-fd", 0); |
| 1700 | goto out; |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 1701 | } |
| 1702 | |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1703 | if (!output) { |
| 1704 | struct timespec tm; |
| 1705 | mode = append_file ? "a" : "w"; |
| 1706 | |
| 1707 | output = fopen(output_name, mode); |
| 1708 | if (!output) { |
| 1709 | perror("failed to create output file"); |
David Ahern | fceda7f | 2012-08-26 12:24:44 -0600 | [diff] [blame] | 1710 | return -1; |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1711 | } |
| 1712 | clock_gettime(CLOCK_REALTIME, &tm); |
| 1713 | fprintf(output, "# started on %s\n", ctime(&tm.tv_sec)); |
Stephane Eranian | fc3e4d0 | 2012-05-15 13:11:11 +0200 | [diff] [blame] | 1714 | } else if (output_fd > 0) { |
Jim Cromie | 56f3bae | 2011-09-07 17:14:00 -0600 | [diff] [blame] | 1715 | mode = append_file ? "a" : "w"; |
| 1716 | output = fdopen(output_fd, mode); |
| 1717 | if (!output) { |
| 1718 | perror("Failed opening logfd"); |
| 1719 | return -errno; |
| 1720 | } |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1721 | } |
| 1722 | |
Jim Cromie | d4ffd04 | 2011-09-07 17:14:03 -0600 | [diff] [blame] | 1723 | if (csv_sep) { |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1724 | csv_output = true; |
Jim Cromie | d4ffd04 | 2011-09-07 17:14:03 -0600 | [diff] [blame] | 1725 | if (!strcmp(csv_sep, "\\t")) |
| 1726 | csv_sep = "\t"; |
| 1727 | } else |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1728 | csv_sep = DEFAULT_SEPARATOR; |
| 1729 | |
| 1730 | /* |
| 1731 | * let the spreadsheet do the pretty-printing |
| 1732 | */ |
| 1733 | if (csv_output) { |
Jim Cromie | 61a9f32 | 2011-09-07 17:14:04 -0600 | [diff] [blame] | 1734 | /* User explicitly passed -B? */ |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1735 | if (big_num_opt == 1) { |
| 1736 | fprintf(stderr, "-B option not supported with -x\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1737 | parse_options_usage(stat_usage, options, "B", 1); |
| 1738 | parse_options_usage(NULL, options, "x", 1); |
| 1739 | goto out; |
Stephane Eranian | d7470b6 | 2010-12-01 18:49:05 +0200 | [diff] [blame] | 1740 | } else /* Nope, so disable big number formatting */ |
| 1741 | big_num = false; |
| 1742 | } else if (big_num_opt == 0) /* User passed --no-big-num */ |
| 1743 | big_num = false; |
| 1744 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1745 | if (!argc && target__none(&target)) |
Ingo Molnar | 5242519 | 2009-05-26 09:17:18 +0200 | [diff] [blame] | 1746 | usage_with_options(stat_usage, options); |
David Ahern | ac3063b | 2013-09-30 07:37:37 -0600 | [diff] [blame] | 1747 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1748 | if (run_count < 0) { |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1749 | pr_err("Run count must be a positive number\n"); |
| 1750 | parse_options_usage(stat_usage, options, "r", 1); |
| 1751 | goto out; |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1752 | } else if (run_count == 0) { |
| 1753 | forever = true; |
| 1754 | run_count = 1; |
| 1755 | } |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1756 | |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1757 | /* no_aggr, cgroup are for system-wide only */ |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1758 | if ((aggr_mode != AGGR_GLOBAL || nr_cgroups) && |
| 1759 | !target__has_cpu(&target)) { |
Stephane Eranian | 023695d | 2011-02-14 11:20:01 +0200 | [diff] [blame] | 1760 | fprintf(stderr, "both cgroup and no-aggregation " |
| 1761 | "modes only available in system-wide mode\n"); |
| 1762 | |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1763 | parse_options_usage(stat_usage, options, "G", 1); |
| 1764 | parse_options_usage(NULL, options, "A", 1); |
| 1765 | parse_options_usage(NULL, options, "a", 1); |
| 1766 | goto out; |
Stephane Eranian | d7e7a45 | 2013-02-06 15:46:02 +0100 | [diff] [blame] | 1767 | } |
| 1768 | |
Ingo Molnar | 2cba3ff | 2011-05-19 13:30:56 +0200 | [diff] [blame] | 1769 | if (add_default_attributes()) |
| 1770 | goto out; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1771 | |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1772 | target__validate(&target); |
Arnaldo Carvalho de Melo | 5c98d466 | 2011-01-03 17:53:33 -0200 | [diff] [blame] | 1773 | |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 1774 | if (perf_evlist__create_maps(evsel_list, &target) < 0) { |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1775 | if (target__has_task(&target)) { |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 1776 | pr_err("Problems finding threads of monitor\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1777 | parse_options_usage(stat_usage, options, "p", 1); |
| 1778 | parse_options_usage(NULL, options, "t", 1); |
Arnaldo Carvalho de Melo | 602ad87 | 2013-11-12 16:46:16 -0300 | [diff] [blame] | 1779 | } else if (target__has_cpu(&target)) { |
Namhyung Kim | 77a6f01 | 2012-05-07 14:09:04 +0900 | [diff] [blame] | 1780 | perror("failed to parse CPUs map"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1781 | parse_options_usage(stat_usage, options, "C", 1); |
| 1782 | parse_options_usage(NULL, options, "a", 1); |
| 1783 | } |
| 1784 | goto out; |
Arnaldo Carvalho de Melo | 60d567e | 2011-01-03 17:49:48 -0200 | [diff] [blame] | 1785 | } |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1786 | if (interval && interval < 100) { |
| 1787 | pr_err("print interval must be >= 100ms\n"); |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1788 | parse_options_usage(stat_usage, options, "I", 1); |
| 1789 | goto out_free_maps; |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1790 | } |
Stephane Eranian | c45c6ea | 2010-05-28 12:00:01 +0200 | [diff] [blame] | 1791 | |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 1792 | if (perf_evlist__alloc_stats(evsel_list, interval)) |
| 1793 | goto out_free_maps; |
Zhang, Yanmin | d6d901c | 2010-03-18 11:36:05 -0300 | [diff] [blame] | 1794 | |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1795 | if (perf_stat_init_aggr_mode()) |
Namhyung Kim | cc03c54 | 2013-11-01 16:33:15 +0900 | [diff] [blame] | 1796 | goto out_free_maps; |
Stephane Eranian | 86ee6e1 | 2013-02-14 13:57:27 +0100 | [diff] [blame] | 1797 | |
Ingo Molnar | 58d7e99 | 2009-05-15 11:03:23 +0200 | [diff] [blame] | 1798 | /* |
| 1799 | * We dont want to block the signals - that would cause |
| 1800 | * child tasks to inherit that and Ctrl-C would not work. |
| 1801 | * What we want is for Ctrl-C to work in the exec()-ed |
| 1802 | * task, but being ignored by perf stat itself: |
| 1803 | */ |
Peter Zijlstra | f7b7c26 | 2009-06-10 15:55:59 +0200 | [diff] [blame] | 1804 | atexit(sig_atexit); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1805 | if (!forever) |
| 1806 | signal(SIGINT, skip_signal); |
Stephane Eranian | 13370a9 | 2013-01-29 12:47:44 +0100 | [diff] [blame] | 1807 | signal(SIGCHLD, skip_signal); |
Ingo Molnar | 58d7e99 | 2009-05-15 11:03:23 +0200 | [diff] [blame] | 1808 | signal(SIGALRM, skip_signal); |
| 1809 | signal(SIGABRT, skip_signal); |
| 1810 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1811 | status = 0; |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1812 | for (run_idx = 0; forever || run_idx < run_count; run_idx++) { |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1813 | if (run_count != 1 && verbose) |
Stephane Eranian | 4aa9015 | 2011-08-15 22:22:33 +0200 | [diff] [blame] | 1814 | fprintf(output, "[ perf stat: executing run #%d ... ]\n", |
| 1815 | run_idx + 1); |
Ingo Molnar | f9cef0a | 2011-04-28 18:17:11 +0200 | [diff] [blame] | 1816 | |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1817 | status = run_perf_stat(argc, argv); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1818 | if (forever && status != -1) { |
| 1819 | print_stat(argc, argv); |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 1820 | perf_stat__reset_stats(evsel_list); |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1821 | } |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1822 | } |
| 1823 | |
Frederik Deweerdt | a7e191c | 2013-03-01 13:02:27 -0500 | [diff] [blame] | 1824 | if (!forever && status != -1 && !interval) |
Arnaldo Carvalho de Melo | 084ab9f | 2010-03-22 13:10:28 -0300 | [diff] [blame] | 1825 | print_stat(argc, argv); |
Arnaldo Carvalho de Melo | d134ffb | 2013-03-18 11:24:21 -0300 | [diff] [blame] | 1826 | |
| 1827 | perf_evlist__free_stats(evsel_list); |
| 1828 | out_free_maps: |
Arnaldo Carvalho de Melo | 7e2ed09 | 2011-01-30 11:59:43 -0200 | [diff] [blame] | 1829 | perf_evlist__delete_maps(evsel_list); |
Arnaldo Carvalho de Melo | 0015e2e | 2011-02-01 16:18:10 -0200 | [diff] [blame] | 1830 | out: |
| 1831 | perf_evlist__delete(evsel_list); |
Ingo Molnar | 42202dd | 2009-06-13 14:57:28 +0200 | [diff] [blame] | 1832 | return status; |
Ingo Molnar | ddcacfa | 2009-04-20 15:37:32 +0200 | [diff] [blame] | 1833 | } |