565 is not this important.

infra/bots/recipes/swarm_perf.py

 # Copyright 2016 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.
 
 
 # Recipe module for Skia Swarming perf.
 
 
 DEPS = [
   'build/file',
@@ skipping 39 matching lines @@
     args.extend(['--gpuStatsDump', 'true'])
 
   if 'Android' in bot and 'GPU' in bot:
     args.extend(['--useThermalManager', '1,1,10,1000'])
 
   args.extend(['--scales', '1.0', '1.1'])
 
   if 'iOS' in bot:
     args.extend(['--skps', 'ignore_skps'])
 
-  config = ['565', '8888', 'gpu', 'nonrendering', 'angle', 'hwui' ]
+  config = ['8888', 'gpu', 'nonrendering', 'angle', 'hwui' ]
   if 'AndroidOne' not in bot:
     config += [ 'f16', 'srgb' ]
+  if '-GCE-' in bot:
+    config += [ '565' ]
   # The S4 crashes and the NP produces a long error stream when we run with
   # MSAA.
   if ('GalaxyS4'    not in bot and
       'NexusPlayer' not in bot):
     if 'Android' in bot:
       # The TegraX1 has a regular OpenGL implementation. We bench that instead
       # of ES.
       if 'TegraX1' in bot:
         config.remove('gpu')
         config.extend(['gl', 'glmsaa4', 'glnvpr4', 'glnvprdit4'])
@@ skipping 272 matching lines @@
           buildername='Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-' +
                       'Valgrind-Trybot',
           mastername='client.skia',
           slavename='skiabot-linux-swarm-000',
           buildnumber=5,
           path_config='kitchen',
           swarm_out_dir='[SWARM_OUT_DIR]',
           revision='abc123',
           **gerrit_kwargs)
   )