From eed59eac47bae095513a5b1b6286fdd556d8a760 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Sat, 17 Aug 2013 21:14:10 +0100 Subject: overlay: Show per-process wait times Signed-off-by: Chris Wilson --- overlay/chart.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'overlay/chart.c') diff --git a/overlay/chart.c b/overlay/chart.c index 185eaf07..46adbac2 100644 --- a/overlay/chart.c +++ b/overlay/chart.c @@ -83,9 +83,11 @@ void chart_add_sample(struct chart *chart, double value) { int pos; - pos = chart->current_sample % chart->num_samples; + if (chart->num_samples == 0) + return; + + pos = chart->current_sample++ % chart->num_samples; chart->samples[pos] = value; - chart->current_sample++; } static void chart_update_range(struct chart *chart) -- cgit v1.2.3