From ab76aa73f2a200c017357f0e833be1ce38f1c58a Mon Sep 17 00:00:00 2001
From: Sergei Trofimov <sergei.trofimov@arm.com>
Date: Fri, 12 Jun 2015 13:02:05 +0100
Subject: [PATCH] cpustate: fixing division by zero
total running time (in parallel stats) is zero when all cores on a
cluster are hotplugged. this caused a division by zero when calculating
percentage.
---
wlauto/utils/power.py | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/wlauto/utils/power.py b/wlauto/utils/power.py
index cfee9617..a022d1fe 100644
--- a/wlauto/utils/power.py
+++ b/wlauto/utils/power.py
@@ -330,7 +330,10 @@ class ParallelStats(object):
if not self.use_ratios:
time_pc *= 100
if n:
- running_time_pc = time / running_time
+ if running_time:
+ running_time_pc = time / running_time
+ else:
+ running_time_pc = 0
if not self.use_ratios:
running_time_pc *= 100
else: