diff --git a/test/runner/runner_js.py b/test/runner/runner_js.py
index 6d18d102fcff18ec9e284f03c32b5759447c1da4..7e890b22813a252e5fd307080f19572c4d367aca 100644
--- a/test/runner/runner_js.py
+++ b/test/runner/runner_js.py
@@ -49,6 +49,10 @@ class RunnerJS(Runner):
         for san in ["ASAN_OPTIONS", "TSAN_OPTIONS", "MSAN_OPTIONS", "LSAN_OPTIONS"]:
             # we don't want to interpret asan failures as SyntaxErrors
             self.cmd_env[san] = ":exitcode=255"
+            
+        if args.generate_profraw:
+            self.cmd_env['LLVM_PROFILE_FILE'] = ('%s/tmp-%s-coverage/%s-%s.profraw') % (
+                self.build_dir, name, name, '%m_pid-%p')
 
         self.es2panda = path.join(self.build_dir, "bin", "es2panda")
         if not path.isfile(self.es2panda):
diff --git a/test/runner/starter.py b/test/runner/starter.py
index 51d5e642548e60aedd7bb7d0a4d88016d42d5314..f3a3e5127726994aeb9d3574d11728e3faefaf96 100644
--- a/test/runner/starter.py
+++ b/test/runner/starter.py
@@ -136,5 +136,9 @@ def get_args():
     parser.add_argument(
         '--time-report', action='store_true', dest='time_report', default=False,
         help='Log execution test time')
+    
+    parser.add_argument(
+        '--generate-profraw-files', action='store_true', dest='generate_profraw', default=False,
+        help='Generate .profraw files when binaries run')
 
     return parser.parse_args()