Commit-ID: 26893a6018f88779c0aded934e99e0ebb6859a58 Gitweb: https://git.kernel.org/tip/26893a6018f88779c0aded934e99e0ebb6859a58 Author: Jiri Olsa <jo...@kernel.org> AuthorDate: Thu, 30 Aug 2018 08:32:40 +0200 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Thu, 30 Aug 2018 15:52:24 -0300
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 <jo...@kernel.org> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Andi Kleen <a...@firstfloor.org> Cc: David Ahern <dsah...@gmail.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Peter Zijlstra <pet...@infradead.org> Link: http://lkml.kernel.org/r/20180830063252.23729-32-jo...@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/builtin-stat.c | 15 ++++++++------- 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);
