1 files changed, 23 insertions, 7 deletions
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index 5df2311320..4c3db14fed 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -149,10 +149,8 @@ class Config(object):
     for k, v in environ.items():
       actual_environ[k] = v
     if not flaky and shortname and shortname in flaky_tests:
-      print('Setting %s to flaky' % shortname)
       flaky = True
     if shortname in shortname_to_cpu:
-      print('Update CPU cost for %s: %f -> %f' % (shortname, cpu_cost, shortname_to_cpu[shortname]))
       cpu_cost = shortname_to_cpu[shortname]
     return jobset.JobSpec(cmdline=self.tool_prefix + cmdline,
                           shortname=shortname,
@@ -332,11 +330,29 @@ class CLanguage(object):
         if cpu_cost == 'capacity':
           cpu_cost = multiprocessing.cpu_count()
         if os.path.isfile(binary):
-          if 'gtest' in target and target['gtest']:
-            # here we parse the output of --gtest_list_tests to build up a
-            # complete list of the tests contained in a binary
-            # for each test, we then add a job to run, filtering for just that
-            # test
+          list_test_command = None
+          filter_test_command = None
+
+          # these are the flag defined by gtest and benchmark framework to list
+          # and filter test runs. We use them to split each individual test
+          # into its own JobSpec, and thus into its own process.
+          if 'benchmark' in target and target['benchmark']:
+            with open(os.devnull, 'w') as fnull:
+              tests = subprocess.check_output([binary, '--benchmark_list_tests'],
+                                              stderr=fnull)
+            for line in tests.split('\n'):
+              test = line.strip()
+              if not test: continue
+              cmdline = [binary, '--benchmark_filter=%s$' % test] + target['args']
+              out.append(self.config.job_spec(cmdline,
+                                              shortname='%s %s' % (' '.join(cmdline), shortname_ext),
+                                              cpu_cost=cpu_cost,
+                                              timeout_seconds=_DEFAULT_TIMEOUT_SECONDS * timeout_scaling,
+                                              environ=env))
+          elif 'gtest' in target and target['gtest']:
+            # here we parse the output of --gtest_list_tests to build up a complete
+            # list of the tests contained in a binary for each test, we then
+            # add a job to run, filtering for just that test.
             with open(os.devnull, 'w') as fnull:
               tests = subprocess.check_output([binary, '--gtest_list_tests'],
                                               stderr=fnull)