X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FTrafficGenerator.py;h=c99ea36f71ea0779ce1fb40eaf9f7453c3b65c7d;hb=cc02a78ee4480370ace4e22f0a346185c9a049af;hp=f48792db3d5ad906f0de8b34f0df7054bf9e8337;hpb=eb774c3e205a538262aef928bfbed17cd5be7b25;p=csit.git

diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py
index f48792db3d..c99ea36f71 100644
--- a/resources/libraries/python/TrafficGenerator.py
+++ b/resources/libraries/python/TrafficGenerator.py
@@ -427,8 +427,11 @@ class TrafficGenerator(AbstractMeasurer):
         subtype = check_subtype(node)
         if subtype == NodeSubTypeTG.TREX:
             exec_cmd_no_error(
-                node, u"sh -c \"sudo pkill t-rex && sleep 3\"",
-                sudo=False, message=u"pkill t-rex failed"
+                node,
+                u"sh -c "
+                u"\"if pgrep t-rex; then sudo pkill t-rex && sleep 3; fi\"",
+                sudo=False,
+                message=u"pkill t-rex failed"
             )
 
     def _parse_traffic_results(self, stdout):