Bug 1437215 - Measure WebRender memory usage on Linux x86_64 using AWSY tests, r=jmaher

taskcluster/ci/test/test-platforms.yml

@@ -118,6 +118,7 @@ linux64-qr/opt:
     test-sets:
         - linux-qr-tests
         - linux-qr-talos
+        - awsy
 linux64-qr/debug:
     build-platform: linux64/debug
     test-sets:

testing/awsy/mach_commands.py

@@ -82,6 +82,10 @@ class MachCommands(MachCommandBase):
         if 'disable_stylo' in kwargs and kwargs['disable_stylo']:
             os.environ['STYLO_FORCE_DISABLED'] = '1'
 
+        if 'enable_webrender' in kwargs and kwargs['enable_webrender']:
+            os.environ['MOZ_WEBRENDER'] = '1'
+            os.environ['MOZ_ACCELERATED'] = '1'
+
         runtime_testvars = {}
         for arg in ('webRootDir', 'pageManifest', 'resultsDir', 'entities', 'iterations',
                     'perTabPause', 'settleWaitTime', 'maxTabs', 'dmd'):
@@ -220,6 +224,9 @@ class MachCommands(MachCommandBase):
     @CommandArgument('--single-stylo-traversal', group='AWSY', action='store_true',
                      dest='single_stylo_traversal', default=False,
                      help='Set STYLO_THREADS=1.')
+    @CommandArgument('--enable-webrender', group='AWSY', action='store_true',
+                     dest='enable_webrender', default=False,
+                     help='Enable WebRender.')
     @CommandArgument('--dmd', group='AWSY', action='store_true',
                      dest='dmd', default=False,
                      help='Enable DMD during testing. Requires a DMD-enabled build.')

testing/mozharness/scripts/awsy_script.py

@@ -43,6 +43,12 @@ class AWSY(TestingMixin, MercurialScript, BlobUploadMixin, TooltoolMixin, CodeCo
           "dest": "single_stylo_traversal",
           "default": False,
           "help": "Set STYLO_THREADS=1.",
+          }],
+        [["--enable-webrender"],
+         {"action": "store_true",
+          "dest": "enable_webrender",
+          "default": False,
+          "help": "Tries to enable the WebRender compositor.",
           }]
     ] + testing_config_options + copy.deepcopy(blobupload_config_options) \
                                + copy.deepcopy(code_coverage_config_options)
@@ -171,6 +177,10 @@ class AWSY(TestingMixin, MercurialScript, BlobUploadMixin, TooltoolMixin, CodeCo
         # TODO: consider getting rid of this as stylo is enabled by default
         env['STYLO_FORCE_ENABLED'] = '1'
 
+        if self.config['enable_webrender']:
+            env['MOZ_WEBRENDER'] = '1'
+            env['MOZ_ACCELERATED'] = '1'
+
         env['MOZ_UPLOAD_DIR'] = dirs['abs_blob_upload_dir']
         if not os.path.isdir(env['MOZ_UPLOAD_DIR']):
             self.mkdir_p(env['MOZ_UPLOAD_DIR'])