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| author | Jiri Olsa <jolsa@kernel.org> | 2018-08-30 08:32:40 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-08-30 15:52:24 -0300 |
| commit | 26893a6018f88779c0aded934e99e0ebb6859a58 (patch) | |
| tree | 492e3d1e5450446a631b206e9964af973517e33d | |
| parent | 77e0faf8552c9329d58a4de460928e03252647c6 (diff) | |
| download | linux-26893a6018f88779c0aded934e99e0ebb6859a58.tar.bz2 | |
perf stat: Add 'walltime_nsecs_stats' pointer to 'struct perf_stat_config'
Add 'walltime_nsecs_stats' pointer to 'struct perf_stat_config', so that
it can be passed around and used outside the 'perf stat' command.
It's initialized to point to stat's walltime_nsecs_stats value.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20180830063252.23729-32-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/builtin-stat.c | 15 | ||||
| -rw-r--r-- | tools/perf/util/stat.h | 1 |
2 files changed, 9 insertions, 7 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 2711d8f6e4b8..381549a989b4 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -195,11 +195,12 @@ static struct perf_stat perf_stat; static volatile int done = 0; static struct perf_stat_config stat_config = { - .aggr_mode = AGGR_GLOBAL, - .scale = true, - .unit_width = 4, /* strlen("unit") */ - .run_count = 1, - .metric_only_len = METRIC_ONLY_LEN, + .aggr_mode = AGGR_GLOBAL, + .scale = true, + .unit_width = 4, /* strlen("unit") */ + .run_count = 1, + .metric_only_len = METRIC_ONLY_LEN, + .walltime_nsecs_stats = &walltime_nsecs_stats, }; static bool is_duration_time(struct perf_evsel *evsel) @@ -1671,7 +1672,7 @@ static double timeval2double(struct timeval *t) static void print_footer(struct perf_stat_config *config) { - double avg = avg_stats(&walltime_nsecs_stats) / NSEC_PER_SEC; + double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC; FILE *output = config->output; int n; @@ -1690,7 +1691,7 @@ static void print_footer(struct perf_stat_config *config) fprintf(output, " %17.9f seconds sys\n", ru_stime); } } else { - double sd = stddev_stats(&walltime_nsecs_stats) / NSEC_PER_SEC; + double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC; /* * Display at most 2 more significant * digits than the stddev inaccuracy. diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index e70e6d93ee1b..35550e3efd81 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -105,6 +105,7 @@ struct perf_stat_config { struct runtime_stat *stats; int stats_num; const char *csv_sep; + struct stats *walltime_nsecs_stats; }; void update_stats(struct stats *stats, u64 val); |