[Benchmarking] Convert to histograms in run_performance_tests.py.

For gtests, do the conversion to histograms in run_performance_tests.py.
This is cleaner than doing it in process_perf_results.py and has
the benefit that Pinpoint will use in in the same way as well.

Bug: 923564
Change-Id: I8eddd2d0934f68d45b278494eb67990ae9a30414
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1981633
Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: John Chen <johnchen@chromium.org>
Commit-Queue: Caleb Rouleau <crouleau@chromium.org>
Cr-Commit-Position: refs/heads/master@{#727513}

testing/BUILD.gn

@@ -22,11 +22,14 @@ group("run_perf_test") {
     "//testing/scripts/common.py",
     "//testing/scripts/run_performance_tests.py",
     "//tools/perf/generate_legacy_perf_dashboard_json.py",
+    "//tools/perf/core/__init__.py",
+    "//tools/perf/core/path_util.py",
     "//tools/perf/core/results_merger.py",
   ]
 
   data_deps = [
     ":test_scripts_shared",
+    "//third_party/catapult/tracing:convert_chart_json",
   ]
 
   if (is_android) {

testing/scripts/run_performance_tests.py

@@ -65,6 +65,7 @@
 PERF_DIR = os.path.join(CHROMIUM_SRC_DIR, 'tools', 'perf')
 sys.path.append(PERF_DIR)
 import generate_legacy_perf_dashboard_json
+from core import path_util
 
 PERF_CORE_DIR = os.path.join(PERF_DIR, 'core')
 sys.path.append(PERF_CORE_DIR)
@@ -84,6 +85,32 @@
     os.path.dirname(__file__), '..', '..', 'tools', 'perf', 'core',
     'shard_maps')
 
+# See https://crbug.com/923564.
+# We want to switch over to using histograms for everything, but converting from
+# the format output by gtest perf tests to histograms has introduced several
+# problems. So, only perform the conversion on tests that are whitelisted and
+# are okay with potentially encountering issues.
+GTEST_CONVERSION_WHITELIST = [
+  'angle_perftests',
+  'base_perftests',
+  'cc_perftests',
+  'components_perftests',
+  'dawn_perf_tests',
+  'gpu_perftests',
+  'latency_perftests',
+  'load_library_perf_tests',
+  'media_perftests',
+  'net_perftests',
+  'passthrough_command_buffer_perftests',
+  'performance_browser_tests',
+  'services_perftests',
+  'tracing_perftests',
+  'validating_command_buffer_perftests',
+  'views_perftests',
+  'viz_perftests',
+  'xr.vr.common_perftests',
+]
+
 
 class OutputFilePaths(object):
   """Provide paths to where results outputs should be written.
@@ -158,6 +185,11 @@ def _get_executable(self):
     else:
       return './%s' % executable
 
+  @property
+  def executable_name(self):
+    """Gets the platform-independent name of the executable."""
+    return self._options.executable
+
   def _get_passthrough_args(self):
     return self._options.passthrough_args
 
@@ -237,6 +269,12 @@ def execute_gtest_perf_test(command_generator, output_paths, use_xvfb=False):
     traceback.print_exc()
     return_code = 1
   write_legacy_test_results(return_code, output_paths.test_results)
+  if command_generator.executable_name in GTEST_CONVERSION_WHITELIST:
+    with path_util.SysPath(path_util.GetTracingDir()):
+      # pylint: disable=no-name-in-module
+      from tracing.value import gtest_json_converter
+      # pylint: enable=no-name-in-module
+    gtest_json_converter.ConvertGtestJsonFile(output_paths.perf_results)
   return return_code
 
 

tools/perf/process_perf_results.py

@@ -49,32 +49,6 @@
 DATA_FORMAT_HISTOGRAMS = 'histograms'
 DATA_FORMAT_UNKNOWN = 'unknown'
 
-# See https://crbug.com/923564.
-# We want to switch over to using histograms for everything, but converting from
-# the format output by gtest perf tests to histograms has introduced several
-# problems. So, only perform the conversion on tests that are whitelisted and
-# are okay with potentially encountering issues.
-GTEST_CONVERSION_WHITELIST = [
-  'angle_perftests',
-  'base_perftests',
-  'cc_perftests',
-  'components_perftests',
-  'dawn_perf_tests',
-  'gpu_perftests',
-  'latency_perftests',
-  'load_library_perf_tests',
-  'media_perftests',
-  'net_perftests',
-  'passthrough_command_buffer_perftests',
-  'performance_browser_tests',
-  'services_perftests',
-  'tracing_perftests',
-  'validating_command_buffer_perftests',
-  'views_perftests',
-  'viz_perftests',
-  'xr.vr.common_perftests',
-]
-
 
 def _GetMachineGroup(build_properties):
   machine_group = None
@@ -118,13 +92,6 @@ def _upload_perf_results(json_to_upload, name, configuration_name,
   if isinstance(buildbucket, basestring):
     buildbucket = json.loads(buildbucket)
 
-  if _is_gtest(json_to_upload) and name in GTEST_CONVERSION_WHITELIST:
-    path_util.AddTracingToPath()
-    from tracing.value import (  # pylint: disable=no-name-in-module
-        gtest_json_converter)
-    gtest_json_converter.ConvertGtestJsonFile(json_to_upload)
-    _data_format_cache[json_to_upload] = DATA_FORMAT_HISTOGRAMS
-
   if 'build' in buildbucket:
     args += [
       '--project', buildbucket['build'].get('project'),