lkml.org 
[lkml]   [2017]   [Sep]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 12/41] perf stat: Update walltime_nsecs_stats in interval mode
Date
From: Andi Kleen <ak@linux.intel.com>

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 f783b498e5c5..2248ebe582ca 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);
}

--
2.13.5
\
 
 \ /
  Last update: 2017-09-12 17:18    [W:0.173 / U:7.864 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site