[Perf] Prevent divide-by-zero for incomplete threads (#18512)

Azure · Feb 9, 2021 · 9765d14 · 9765d14
1 parent 3d55ff3
commit 9765d14
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/common/Perf/Azure.Test.Perf/PerfProgram.cs b/common/Perf/Azure.Test.Perf/PerfProgram.cs
@@ -25,7 +25,9 @@ public static class PerfProgram
         private static Channel<(TimeSpan, Stopwatch)> _pendingOperations;
 
         private static int CompletedOperations => _completedOperations.Sum();
-        private static double OperationsPerSecond => _completedOperations.Zip(_lastCompletionTimes, (operations, time) => (operations / time.TotalSeconds)).Sum();
+        private static double OperationsPerSecond => _completedOperations.Zip(_lastCompletionTimes,
+            (operations, time) => operations > 0 ? (operations / time.TotalSeconds) : 0)
+            .Sum();
 
         public static async Task Main(Assembly assembly, string[] args)
         {