diff --git a/webrtc/modules/audio_coding/neteq4/test/neteq_performance_unittest.cc b/webrtc/modules/audio_coding/neteq4/test/neteq_performance_unittest.cc
index 20c737651e..2299c0212f 100644
--- a/webrtc/modules/audio_coding/neteq4/test/neteq_performance_unittest.cc
+++ b/webrtc/modules/audio_coding/neteq4/test/neteq_performance_unittest.cc
@@ -13,6 +13,8 @@
 #include "webrtc/test/testsupport/perf_test.h"
 #include "webrtc/typedefs.h"
 
+// Runs a test with 10% packet losses and 10% clock drift, to exercise
+// both loss concealment and time-stretching code.
 TEST(NetEqPerformanceTest, Run) {
   const int kSimulationTimeMs = 10000000;
   const int kLossPeriod = 10;  // Drop every 10th packet.
@@ -21,5 +23,19 @@ TEST(NetEqPerformanceTest, Run) {
       kSimulationTimeMs, kLossPeriod, kDriftFactor);
   ASSERT_GT(runtime, 0);
   webrtc::test::PrintResult(
-      "neteq4-runtime", "", "", runtime, "ms", true);
+      "NetEq-performance", "", "10_pl_10_drift", runtime, "ms", true);
+}
+
+// Runs a test with neither packet losses nor clock drift, to put
+// emphasis on the "good-weather" code path, which is presumably much
+// more lightweight.
+TEST(NetEqPerformanceTest, RunClean) {
+  const int kSimulationTimeMs = 10000000;
+  const int kLossPeriod = 0;  // No losses.
+  const double kDriftFactor = 0.0;  // No clock drift.
+  int64_t runtime = webrtc::test::NetEqPerformanceTest::Run(
+      kSimulationTimeMs, kLossPeriod, kDriftFactor);
+  ASSERT_GT(runtime, 0);
+  webrtc::test::PrintResult(
+      "NetEq-performance", "", "0_pl_0_drift", runtime, "ms", true);
 }