Merge pull request #8878 from ctiller/fixit9

Limit outstanding rpc count for synchronous {client,server} tsan tests

test/cpp/qps/gen_build_yaml.py

@@ -43,24 +43,35 @@ sys.path.append(run_tests_root)
 
 import performance.scenario_config as scenario_config
 
-def _scenario_json_string(scenario_json):
+configs_from_yaml = yaml.load(open(os.path.join(os.path.dirname(sys.argv[0]), '../../../build.yaml')))['configs'].keys()
+
+def mutate_scenario(scenario_json, is_tsan):
   # tweak parameters to get fast test times
+  scenario_json = dict(scenario_json)
   scenario_json['warmup_seconds'] = 0
   scenario_json['benchmark_seconds'] = 1
-  scenarios_json = {'scenarios': [scenario_config.remove_nonproto_fields(scenario_json)]}
+  outstanding_rpcs_divisor = 1
+  if is_tsan and (
+      scenario_json['client_config']['client_type'] == 'SYNC_CLIENT' or
+      scenario_json['server_config']['server_type'] == 'SYNC_SERVER'):
+    outstanding_rpcs_divisor = 10
+  scenario_json['client_config']['outstanding_rpcs_per_channel'] = max(1,
+      int(scenario_json['client_config']['outstanding_rpcs_per_channel'] / outstanding_rpcs_divisor))
+  return scenario_json
+
+def _scenario_json_string(scenario_json, is_tsan):
+  scenarios_json = {'scenarios': [scenario_config.remove_nonproto_fields(mutate_scenario(scenario_json, is_tsan))]}
   return json.dumps(scenarios_json)
 
-def threads_of_type(scenario_json, path):
-  d = scenario_json
-  for el in path.split('/'):
-    if el not in d:
-      return 0
-    d = d[el]
-  return d
+def threads_required(scenario_json, where, is_tsan):
+  scenario_json = mutate_scenario(scenario_json, is_tsan)
+  if scenario_json['%s_config' % where]['%s_type' % where] == 'ASYNC_%s' % where.upper():
+    return scenario_json['%s_config' % where].get('async_%s_threads' % where, 0)
+  return scenario_json['client_config']['outstanding_rpcs_per_channel'] * scenario_json['client_config']['client_channels']
 
-def guess_cpu(scenario_json):
-  client = threads_of_type(scenario_json, 'client_config/async_client_threads')
-  server = threads_of_type(scenario_json, 'server_config/async_server_threads')
+def guess_cpu(scenario_json, is_tsan):
+  client = threads_required(scenario_json, 'client', is_tsan)
+  server = threads_required(scenario_json, 'server', is_tsan)
   # make an arbitrary guess if set to auto-detect
   # about the size of the jenkins instances we have for unit tests
   if client == 0 or server == 0: return 'capacity'
@@ -72,15 +83,32 @@ print yaml.dump({
     {
       'name': 'json_run_localhost',
       'shortname': 'json_run_localhost:%s' % scenario_json['name'],
-      'args': ['--scenarios_json', _scenario_json_string(scenario_json)],
+      'args': ['--scenarios_json', _scenario_json_string(scenario_json, False)],
+      'ci_platforms': ['linux'],
+      'platforms': ['linux'],
+      'flaky': False,
+      'language': 'c++',
+      'boringssl': True,
+      'defaults': 'boringssl',
+      'cpu_cost': guess_cpu(scenario_json, False),
+      'exclude_configs': ['tsan'],
+      'timeout_seconds': 6*60
+    }
+    for scenario_json in scenario_config.CXXLanguage().scenarios()
+    if 'scalable' in scenario_json.get('CATEGORIES', [])
+  ] + [
+    {
+      'name': 'json_run_localhost',
+      'shortname': 'json_run_localhost:%s' % scenario_json['name'],
+      'args': ['--scenarios_json', _scenario_json_string(scenario_json, True)],
       'ci_platforms': ['linux'],
       'platforms': ['linux'],
       'flaky': False,
       'language': 'c++',
       'boringssl': True,
       'defaults': 'boringssl',
-      'cpu_cost': guess_cpu(scenario_json),
-      'exclude_configs': [],
+      'cpu_cost': guess_cpu(scenario_json, True),
+      'exclude_configs': sorted(c for c in configs_from_yaml if c != 'tsan'),
       'timeout_seconds': 6*60
     }
     for scenario_json in scenario_config.CXXLanguage().scenarios()