diff --git a/test/test_main.cc b/test/test_main.cc
index 8bd2ed2244..5023ae6558 100644
--- a/test/test_main.cc
+++ b/test/test_main.cc
@@ -8,6 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
+#include "rtc_base/file.h"
 #include "rtc_base/flags.h"
 #include "rtc_base/logging.h"
 #include "system_wrappers/include/metrics_default.h"
@@ -15,6 +16,7 @@
 #include "test/gmock.h"
 #include "test/gtest.h"
 #include "test/testsupport/fileutils.h"
+#include "test/testsupport/perf_test.h"
 
 #if defined(WEBRTC_IOS)
 #include "test/ios/test_support.h"
@@ -32,6 +34,14 @@ DEFINE_string(force_fieldtrials, "",
     "E.g. running with --force_fieldtrials=WebRTC-FooFeature/Enable/"
     " will assign the group Enable to field trial WebRTC-FooFeature.");
 
+DEFINE_string(
+    perf_results_json_path,
+    "",
+    "Path where the perf results should be stored it the JSON format described "
+    "by "
+    "https://github.com/catapult-project/catapult/blob/master/dashboard/docs/"
+    "data-format.md.");
+
 DEFINE_bool(help, false, "Print this message.");
 
 int main(int argc, char* argv[]) {
@@ -61,5 +71,16 @@ int main(int argc, char* argv[]) {
   rtc::test::RunTestsFromIOSApp();
 #endif
 
-  return RUN_ALL_TESTS();
+  int exit_code = RUN_ALL_TESTS();
+
+  std::string perf_results_json_path = FLAG_perf_results_json_path;
+  if (perf_results_json_path != "") {
+    std::string json_results = webrtc::test::GetPerfResultsJSON();
+    rtc::File json_file = rtc::File::Open(perf_results_json_path);
+    json_file.Write(reinterpret_cast<const uint8_t*>(json_results.c_str()),
+                    json_results.size());
+    json_file.Close();
+  }
+
+  return exit_code;
 }