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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>
hifive-unleashed-5.1
Andi Kleen 2017-08-31 12:40:36 -07:00 committed by Arnaldo Carvalho de Melo
parent e864c5ca14
commit b90f1333ef
1 changed files with 2 additions and 0 deletions
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2
tools/perf/builtin-stat.c
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@ -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);
}