Use devil's adb with each bisect iteration, also start/stop daemons.

scripts/slave/recipes/android/perf.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from recipe_engine.types import freeze
 
 
 DEPS = [
     'build/adb',
     'build/chromium',
@@ skipping 171 matching lines @@
   required_apks = builder.get('required_apks', [])
   for apk in required_apks:
     api.chromium_android.adb_install_apk(apk)
 
   api.chromium_android.host_info(
       args=api.chromium_tests.get_common_args_for_scripts())
 
   test_runner = api.chromium_tests.create_test_runner(
       api, builder.get('tests', []))
 
+  api.chromium_android.logcat_gs_bucket = 'chromium-android'

[jbudorick, 2016/11/08 00:18:31]

Same question.

[ghost stip (do not use), 2016/11/08 20:56:33]

sure, was just re-implementing the same logic. I can remove it

+
   try:
     failures = []
     if test_runner:
       try:
         test_runner()
       except api.step.StepFailure as f:
         failures.append(f)
 
     dynamic_perf_tests = api.chromium_tests.steps.DynamicPerfTests(
         builder['perf_id'], 'android', None,
         max_battery_temp=builder.get('max_battery_temp'),
         num_device_shards=builder['num_device_shards'],
         num_host_shards=builder.get('num_host_shards', 1),
         shard_index=builder.get('shard_index', 0),
         override_browser_name=builder.get('browser_name'),
         enable_platform_mode=builder.get('enable_platform_mode'))
     dynamic_perf_tests.run(api, None)
 
     if failures:
       raise api.step.StepFailure('src-side perf tests failed %s' % failures)
   finally:
-    api.chromium_android.common_tests_final_steps(
-        logcat_gs_bucket='chromium-android')
+    api.chromium_android.common_tests_final_steps()
 
 
 def _sanitize_nonalpha(text):
   return ''.join(c if c.isalnum() else '_' for c in text)
 
 
 def GenTests(api):
   for mastername, builders in BUILDERS.iteritems():
     for buildername in builders:
       yield (
@@ skipping 141 matching lines @@
                        "adb_status": "device",
                        "imei_slice": "",
                        "ro.build.product": "bullhead",
                        "ro.build.id": "MDB08Q",
                        "serial": "00d0d567893340f4",
                        "wifi_ip": ""
                     }]
                 }}),
           retcode=87))