3 files changed, 4 insertions, 3 deletions
diff --git a/test/cpp/qps/driver.cc b/test/cpp/qps/driver.cc
index c8cc11e6ab..5597bcd549 100644
--- a/test/cpp/qps/driver.cc
+++ b/test/cpp/qps/driver.cc
@@ -185,7 +185,7 @@ std::unique_ptr<ScenarioResult> RunScenario(
 
   // Let everything warmup
   gpr_log(GPR_INFO, "Warming up");
-  gpr_timespec start = gpr_now();
+  gpr_timespec start = gpr_now(GPR_CLOCK_REALTIME);
   gpr_sleep_until(gpr_time_add(start, gpr_time_from_seconds(warmup_seconds)));
 
   // Start a run
diff --git a/test/cpp/qps/timer.cc b/test/cpp/qps/timer.cc
index d1b6bc1e55..07289f699b 100644
--- a/test/cpp/qps/timer.cc
+++ b/test/cpp/qps/timer.cc
@@ -41,7 +41,7 @@
 Timer::Timer() : start_(Sample()) {}
 
 double Timer::Now() {
-  auto ts = gpr_now();
+  auto ts = gpr_now(GPR_CLOCK_REALTIME);
   return ts.tv_sec + 1e-9 * ts.tv_nsec;
 }
 
diff --git a/test/cpp/qps/worker.cc b/test/cpp/qps/worker.cc
index 14a8b0b089..2bc0a56970 100644
--- a/test/cpp/qps/worker.cc
+++ b/test/cpp/qps/worker.cc
@@ -57,7 +57,8 @@ static void RunServer() {
   QpsWorker worker(FLAGS_driver_port, FLAGS_server_port);
 
   while (!got_sigint) {
-    gpr_sleep_until(gpr_time_add(gpr_now(), gpr_time_from_seconds(5)));
+    gpr_sleep_until(
+        gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), gpr_time_from_seconds(5)));
   }
 }