[PATCH v3 10/12] Netperf: avoid division by zero

[Ondrej Lichtner]

From: Ondrej Lichtner <olichtne(a)redhat.com&gt;

When all test runs fail calculation the average will result in division
by zero. This commit fixes that.

Signed-off-by: Ondrej Lichtner <olichtne(a)redhat.com&gt;
---
 test_modules/Netperf.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/test_modules/Netperf.py b/test_modules/Netperf.py
index ab4bafe..b930596 100644
--- a/test_modules/Netperf.py
+++ b/test_modules/Netperf.py
@@ -194,7 +194,10 @@ class Netperf(TestGeneric):
         if runs > 1:
             res_data["results"] = results
 
-        rate = sum(rates)/len(rates)
+        if len(rates) > 0:
+            rate = sum(rates)/len(rates)
+        else:
+            rate = 0.0
         rate_std_deviation = std_deviation(rates)
         res_data["rate"] = rate
         res_data["rate_std_deviation"] = rate_std_deviation
-- 
2.1.0