Merge pull request #6248 from jtattermusch/cleanup_jenkins_perftests

Cleanup tools/jenkins/run_performance.sh script
diff --git a/tools/run_tests/run_performance_tests.py b/tools/run_tests/run_performance_tests.py
index cf68b6e..ada341a 100755
--- a/tools/run_tests/run_performance_tests.py
+++ b/tools/run_tests/run_performance_tests.py
@@ -361,5 +361,6 @@
     sys.exit(1)
 except:
   traceback.print_exc()
+  raise
 finally:
   finish_qps_workers(qpsworker_jobs)