Messages in this thread Patch in this message | | | Date | Fri, 22 Sep 2017 09:33:05 -0700 | From | tip-bot for Andi Kleen <> | Subject | [tip:perf/core] perf stat: Update walltime_nsecs_stats in interval mode |
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Commit-ID: b90f1333ef08d2a497ae239798868b046f4e3a97 Gitweb: http://git.kernel.org/tip/b90f1333ef08d2a497ae239798868b046f4e3a97 Author: Andi Kleen <ak@linux.intel.com> AuthorDate: Thu, 31 Aug 2017 12:40:36 -0700 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Wed, 13 Sep 2017 09:49:14 -0300
perf stat: Update walltime_nsecs_stats in interval mode
Some metrics (like GFLOPs) need walltime_nsecs_stats for each interval. Compute it for each interval instead of only at the end.
Pointed out by Jiri.
Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Link: http://lkml.kernel.org/r/20170831194036.30146-12-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/perf/builtin-stat.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 855890e..88f1d5f 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -415,6 +415,8 @@ static void process_interval(void) pr_err("failed to write stat round event\n"); } + init_stats(&walltime_nsecs_stats); + update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000); print_counters(&rs, 0, NULL); }
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