X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FPerfUtil.py;h=4c286b455eaa3034e1ce76b6f83c141e90679013;hp=51832dee4823be776de263fc0d5384a078ee60d8;hb=273d2ea03c4fa35ea5b656872f06f6e6d2e6f851;hpb=00460a1ba11a6112a08256d39d927f2a309b1b99

diff --git a/resources/libraries/python/PerfUtil.py b/resources/libraries/python/PerfUtil.py
index 51832dee48..4c286b455e 100644
--- a/resources/libraries/python/PerfUtil.py
+++ b/resources/libraries/python/PerfUtil.py
@@ -35,13 +35,21 @@ class PerfUtil:
         :type duration: int
         """
         cpu = cpu_list if cpu_list else u"0-$(($(nproc) - 1))"
-        command = (
-            u"perf stat"
-            f" --cpu {cpu} --no-aggr"
-            f" --event '{{{Constants.PERF_STAT_EVENTS}}}'"
-            f" --interval-print 1000 "
-            f" -- sleep {int(duration)}"
-        )
+        if Constants.PERF_STAT_EVENTS:
+            command = (
+                u"perf stat"
+                f" --cpu {cpu} --no-aggr"
+                f" --event '{{{Constants.PERF_STAT_EVENTS}}}'"
+                f" --interval-print 1000 "
+                f" -- sleep {int(duration)}"
+            )
+        else:
+            command = (
+                u"perf stat"
+                f" --cpu {cpu} --no-aggr"
+                f" --interval-print 1000 "
+                f" -- sleep {int(duration)}"
+            )
         exec_cmd(node, command, sudo=True)
 
     @staticmethod