Shard the drmemory full mode unit_tests runs more.

build/masters/master.chromium.fyi/master.cfg

 # Copyright (c) 2012 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 buildbot import locks
 from buildbot.changes import svnpoller
 from buildbot.scheduler import Dependent
 from buildbot.scheduler import Nightly
 from buildbot.scheduler import Periodic
 from buildbot.scheduler import Scheduler
@@ skipping 455 matching lines @@
     tests=[
       'drmemory_full_googleurl',
       'drmemory_full_printing',
       'drmemory_full_media',
       'drmemory_full_sql',
       'drmemory_full_crypto',
       'drmemory_full_remoting',
       'drmemory_full_ipc',
       'drmemory_full_base',
       'drmemory_full_net',
-      # run tests in shards to decrease the number of reports per shard.
-      'drmemory_full_unit_1_of_3',
-      'drmemory_full_unit_2_of_3',
-      'drmemory_full_unit_3_of_3',
+      # Full mode has a high memory overhead currently, so shard the tests
+      # more.
+      'drmemory_full_unit_1_of_6',
+      'drmemory_full_unit_2_of_6',
+      'drmemory_full_unit_3_of_6',
+      'drmemory_full_unit_4_of_6',
+      'drmemory_full_unit_5_of_6',
+      'drmemory_full_unit_6_of_6',
     ],
     factory_properties={'needs_drmemory': True},
 )
 
 f_cr_dbg_mac_106_tsan = mac().ChromiumFactory(
     target='Debug',
     tests=['tsan_base',
            'tsan_googleurl',
            'tsan_crypto',
            'tsan_net',
@@ skipping 917 matching lines @@
       ],
       lookup=master_utils.FilterDomain(),
       forgiving_steps=[],
       use_getname=True))
 
 
 ####### PROJECT IDENTITY
 
 # Buildbot master url:
 c['buildbotURL'] = 'http://build.chromium.org/p/chromium.fyi/'