[draft] Modifying telemetry to collect memory dumps over a large set of sites

tools/perf/benchmarks/memory.py

 # Copyright 2015 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.
 
 import re
 
 from core import perf_benchmark
 
 from telemetry import benchmark
 from telemetry.timeline import chrome_trace_category_filter
@@ skipping 66 matching lines @@
   def ShouldTearDownStateAfterEachStoryRun(cls):
     return True
 
   @classmethod
   def ValueCanBeAddedPredicate(cls, value, is_first_result):
     # TODO(crbug.com/610962): Remove this stopgap when the perf dashboard
     # is able to cope with the data load generated by TBMv2 metrics.
     return not _IGNORED_STATS_RE.search(value.name)
 
 
+@benchmark.Enabled('mac')
+@benchmark.Enabled('win')
+@benchmark.Owner(emails=['erikchen@chromium.org'])
+class MemoryBenchmarkSitesDesktop(_MemoryInfra):
+  """Measure memory usage on popular sites."""
+  options = {'pageset_repeat': 3}
+
+  def CreateStorySet(self, options):
+    return page_sets.DesktopMemoryPageSet()
+
+  def SetExtraBrowserOptions(self, options):
+    super(MemoryBenchmarkSitesDesktop, self).SetExtraBrowserOptions(
+          options)
+    options.AppendExtraBrowserArgs([
+      '--enable-heap-profiling=native',
+    ])
+    # Disablr taking screen shot on failed pages for all perf benchmarks.
+    options.take_screenshot_for_failed_page = False
+
+  @classmethod
+  def Name(cls):
+    return 'memory.desktop_sites'
+
+  @classmethod
+  def ShouldTearDownStateAfterEachStoryRun(cls):
+    return False
+
+  @classmethod
+  def ShouldTearDownStateAfterEachStorySetRun(cls):
+    return False
+
+  @classmethod
+  def ValueCanBeAddedPredicate(cls, value, is_first_result):
+    # TODO(crbug.com/610962): Remove this stopgap when the perf dashboard
+    # is able to cope with the data load generated by TBMv2 metrics.
+    return not _IGNORED_STATS_RE.search(value.name)
+
+
+
 @benchmark.Enabled('android')  # catapult:#3176
 @benchmark.Owner(emails=['perezju@chromium.org'])
 class MemoryBenchmarkTop10Mobile(_MemoryInfra):
   """Measure foreground/background memory on top 10 mobile page set.
 
   This metric provides memory measurements for the System Health Plan of
   Chrome on Android.
   """
   page_set = page_sets.MemoryTop10Mobile
   options = {'pageset_repeat': 5}
@@ skipping 151 matching lines @@
   of long running idle Gmail page """
   page_set = page_sets.LongRunningIdleGmailBackgroundPageSet
 
   @classmethod
   def Name(cls):
     return 'memory.long_running_idle_gmail_background_tbmv2'
 
   @classmethod
   def ShouldDisable(cls, possible_browser):  # http://crbug.com/616530
     return cls.IsSvelte(possible_browser)