Statistics of LayoutBox rare data reasons

tools/perf/benchmarks/rasterize_and_record_micro.py

 # Copyright 2013 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 core import perf_benchmark
 
 import ct_benchmarks_util
 from measurements import rasterize_and_record_micro
 import page_sets
 from page_sets import repaint_helpers
 from telemetry import benchmark
 
 
 class _RasterizeAndRecordMicro(perf_benchmark.PerfBenchmark):
 
   @classmethod
   def AddBenchmarkCommandLineArgs(cls, parser):
     parser.add_option('--start-wait-time', type='float',
                       default=2,
                       help='Wait time before the benchmark is started '
                       '(must be long enough to load all content)')
     parser.add_option('--rasterize-repeat', type='int',
-                      default=100,
+                      default=1,
                       help='Repeat each raster this many times. Increase '
                       'this value to reduce variance.')
     parser.add_option('--record-repeat', type='int',
-                      default=100,
+                      default=1,
                       help='Repeat each record this many times. Increase '
                       'this value to reduce variance.')
     parser.add_option('--timeout', type='int',
                       default=120,
                       help='The length of time to wait for the micro '
                       'benchmark to finish, expressed in seconds.')
     parser.add_option('--report-detailed-results',
                       action='store_true',
                       help='Whether to report additional detailed results.')
 
@@ skipping 93 matching lines @@
     ct_benchmarks_util.AddBenchmarkCommandLineArgs(parser)
 
   @classmethod
   def ProcessCommandLineArgs(cls, parser, args):
     ct_benchmarks_util.ValidateCommandLineArgs(parser, args)
 
   def CreateStorySet(self, options):
     return page_sets.CTPageSet(
         options.urls_list, options.user_agent, options.archive_data_file,
         run_page_interaction_callback=repaint_helpers.WaitThenRepaint)