Revert 182991

tools/telemetry/telemetry/page/page_benchmark_results.py

-# 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 collections import defaultdict
-
-from telemetry.page import page_test
-from telemetry.page import perf_tests_helper
-from telemetry.page import page_benchmark_value
-
-class ValuesForSinglePage(object):
-  def __init__(self, page):
-    self.page = page
-    self.values = []
-
-  def AddValue(self, value):
-    self.values.append(value)
-
-  @property
-  def measurement_names(self):
-    return [value.measurement_name for value in self.values]
-
-  def FindValueByMeasurementName(self, measurement_name):
-    values = [value for value in self.values
-              if value.measurement_name == measurement_name]
-    assert len(values) <= 1
-    if len(values):
-      return values[0]
-    return None
-
-  def __getitem__(self, trace_name):
-    return self.FindValueByTraceName(trace_name)
-
-  def __contains__(self, trace_name):
-    return self.FindValueByTraceName(trace_name) != None
-
-  def FindValueByTraceName(self, trace_name):
-    values = [value for value in self.values
-              if value.trace_name == trace_name]
-    assert len(values) <= 1
-    if len(values):
-      return values[0]
-    return None
-
-class PageBenchmarkResults(page_test.PageTestResults):
-  def __init__(self):
-    super(PageBenchmarkResults, self).__init__()
-    self._page_results = []
-
-    self._all_measurements_that_have_been_seen = {}
-
-    self._values_for_current_page = {}
-
-  def __getitem__(self, i):
-    """Shorthand for self.page_results[i]"""
-    return self._page_results[i]
-
-  def __len__(self):
-    return len(self._page_results)
-
-  @property
-  def values_for_current_page(self):
-    return self._values_for_current_page
-
-  @property
-  def page_results(self):
-    return self._page_results
-
-  def WillMeasurePage(self, page):
-    self._values_for_current_page = ValuesForSinglePage(page)
-
-  @property
-  def all_measurements_that_have_been_seen(self):
-    return self._all_measurements_that_have_been_seen
-
-  def Add(self, trace_name, units, value, chart_name=None, data_type='default'):
-    value = page_benchmark_value.PageBenchmarkValue(
-        trace_name, units, value, chart_name, data_type)
-    measurement_name = value.measurement_name
-
-    # Sanity checks.
-    assert measurement_name != 'url', 'The name url cannot be used'
-    if measurement_name in self._all_measurements_that_have_been_seen:
-      measurement_data = \
-          self._all_measurements_that_have_been_seen[measurement_name]
-      last_seen_units = measurement_data['units']
-      last_seen_data_type = measurement_data['type']
-      assert last_seen_units == units, \
-          'Unit cannot change for a name once it has been provided'
-      assert last_seen_data_type == data_type, \
-          'Unit cannot change for a name once it has been provided'
-    else:
-      self._all_measurements_that_have_been_seen[measurement_name] = {
-        'units': units,
-        'type': data_type}
-
-    self._values_for_current_page.AddValue(value)
-
-  def DidMeasurePage(self):
-    assert self._values_for_current_page, 'Failed to call WillMeasurePage'
-    self._page_results.append(self._values_for_current_page)
-    self._values_for_current_page = None
-
-  def _PrintPerfResult(self, measurement, trace, values, units,
-                       result_type='default'):
-    perf_tests_helper.PrintPerfResult(
-        measurement, trace, values, units, result_type)
-
-  def PrintSummary(self, trace_tag):
-    if self.page_failures:
-      return
-
-    # Build the results summary.
-    results_summary = defaultdict(list)
-    for measurement_name in \
-          self._all_measurements_that_have_been_seen.iterkeys():
-      for page_values in self._page_results:
-        value = page_values.FindValueByMeasurementName(measurement_name)
-        if not value:
-          continue
-        measurement_units_type = (measurement_name,
-                                  value.units,
-                                  value.data_type)
-        if value.data_type == 'histogram':
-          value_url = (value.value, page_values.page.url)
-        else:
-          value_url = (value.output_value, page_values.page.url)
-        results_summary[measurement_units_type].append(value_url)
-
-    # Output the results summary sorted by name, then units, then data type.
-    for measurement_units_type, value_url_list in sorted(
-        results_summary.iteritems()):
-      measurement, units, data_type = measurement_units_type
-
-      if data_type == 'histogram':
-        # For histograms, the _by_url data is important.
-        by_url_data_type = 'histogram'
-      else:
-        # For non-histograms, the _by_url data is unimportant.
-        by_url_data_type = 'unimportant'
-      if '.' in measurement:
-        measurement, trace = measurement.split('.', 1)
-        trace += (trace_tag or '')
-      else:
-        trace = measurement + (trace_tag or '')
-
-      if not trace_tag:
-        for value, url in value_url_list:
-          self._PrintPerfResult(measurement + '_by_url', url, [value], units,
-                                by_url_data_type)
-
-      # For histograms, we don't print the average data, only the _by_url.
-      if not data_type == 'histogram':
-        values = [i[0] for i in value_url_list]
-        self._PrintPerfResult(measurement, trace, values, units, data_type)