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[PATCH v2 19/19] perf, tools, stat: Update walltime_nsecs_stats in interval mode

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  [PATCH v2 19/19] perf, tools, stat: Update walltime_nsecs_stats in interval mode Andi Kleen <andi@firstfloor.org> - 2017-08-12 01:30 +0200

#1710081 — [PATCH v2 19/19] perf, tools, stat: Update walltime_nsecs_stats in interval mode

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>
---
 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 ce18c08a60e0..2d3354d7fcdc 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);
 }
 
-- 
2.9.4

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