| # 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. |
| |
| import json |
| import logging |
| |
| from metrics import Metric |
| |
| _COUNTER_NAMES = [ |
| 'V8.OsMemoryAllocated', |
| 'V8.MemoryNewSpaceBytesAvailable', |
| 'V8.MemoryNewSpaceBytesCommitted', |
| 'V8.MemoryNewSpaceBytesUsed', |
| 'V8.MemoryOldPointerSpaceBytesAvailable', |
| 'V8.MemoryOldPointerSpaceBytesCommitted', |
| 'V8.MemoryOldPointerSpaceBytesUsed', |
| 'V8.MemoryOldDataSpaceBytesAvailable', |
| 'V8.MemoryOldDataSpaceBytesCommitted', |
| 'V8.MemoryOldDataSpaceBytesUsed', |
| 'V8.MemoryCodeSpaceBytesAvailable', |
| 'V8.MemoryCodeSpaceBytesCommitted', |
| 'V8.MemoryCodeSpaceBytesUsed', |
| 'V8.MemoryMapSpaceBytesAvailable', |
| 'V8.MemoryMapSpaceBytesCommitted', |
| 'V8.MemoryMapSpaceBytesUsed', |
| 'V8.MemoryCellSpaceBytesAvailable', |
| 'V8.MemoryCellSpaceBytesCommitted', |
| 'V8.MemoryCellSpaceBytesUsed', |
| 'V8.MemoryPropertyCellSpaceBytesAvailable', |
| 'V8.MemoryPropertyCellSpaceBytesCommitted', |
| 'V8.MemoryPropertyCellSpaceBytesUsed', |
| 'V8.MemoryLoSpaceBytesAvailable', |
| 'V8.MemoryLoSpaceBytesCommitted', |
| 'V8.MemoryLoSpaceBytesUsed', |
| 'V8.SizeOf_ACCESSOR_PAIR_TYPE', |
| 'V8.SizeOf_ACCESS_CHECK_INFO_TYPE', |
| 'V8.SizeOf_ALIASED_ARGUMENTS_ENTRY_TYPE', |
| 'V8.SizeOf_ALLOCATION_MEMENTO_TYPE', |
| 'V8.SizeOf_ALLOCATION_SITE_TYPE', |
| 'V8.SizeOf_ASCII_INTERNALIZED_STRING_TYPE', |
| 'V8.SizeOf_ASCII_STRING_TYPE', |
| 'V8.SizeOf_BOX_TYPE', |
| 'V8.SizeOf_BREAK_POINT_INFO_TYPE', |
| 'V8.SizeOf_BYTE_ARRAY_TYPE', |
| 'V8.SizeOf_CALL_HANDLER_INFO_TYPE', |
| 'V8.SizeOf_CELL_TYPE', |
| 'V8.SizeOf_CODE_CACHE_TYPE', |
| 'V8.SizeOf_CODE_TYPE', |
| 'V8.SizeOf_CODE_TYPE-BINARY_OP_IC', |
| 'V8.SizeOf_CODE_TYPE-BUILTIN', |
| 'V8.SizeOf_CODE_TYPE-CALL_IC', |
| 'V8.SizeOf_CODE_TYPE-COMPARE_IC', |
| 'V8.SizeOf_CODE_TYPE-COMPARE_NIL_IC', |
| 'V8.SizeOf_CODE_TYPE-FUNCTION', |
| 'V8.SizeOf_CODE_TYPE-KEYED_CALL_IC', |
| 'V8.SizeOf_CODE_TYPE-KEYED_LOAD_IC', |
| 'V8.SizeOf_CODE_TYPE-KEYED_STORE_IC', |
| 'V8.SizeOf_CODE_TYPE-LOAD_IC', |
| 'V8.SizeOf_CODE_TYPE-OPTIMIZED_FUNCTION', |
| 'V8.SizeOf_CODE_TYPE-REGEXP', |
| 'V8.SizeOf_CODE_TYPE-STORE_IC', |
| 'V8.SizeOf_CODE_TYPE-STUB', |
| 'V8.SizeOf_CODE_TYPE-TO_BOOLEAN_IC', |
| 'V8.SizeOf_CONS_ASCII_INTERNALIZED_STRING_TYPE', |
| 'V8.SizeOf_CONS_ASCII_STRING_TYPE', |
| 'V8.SizeOf_CONS_INTERNALIZED_STRING_TYPE', |
| 'V8.SizeOf_CONS_STRING_TYPE', |
| 'V8.SizeOf_DEBUG_INFO_TYPE', |
| 'V8.SizeOf_DECLARED_ACCESSOR_DESCRIPTOR_TYPE', |
| 'V8.SizeOf_DECLARED_ACCESSOR_INFO_TYPE', |
| 'V8.SizeOf_EXECUTABLE_ACCESSOR_INFO_TYPE', |
| 'V8.SizeOf_EXTERNAL_ASCII_INTERNALIZED_STRING_TYPE', |
| 'V8.SizeOf_EXTERNAL_ASCII_STRING_TYPE', |
| 'V8.SizeOf_EXTERNAL_BYTE_ARRAY_TYPE', |
| 'V8.SizeOf_EXTERNAL_DOUBLE_ARRAY_TYPE', |
| 'V8.SizeOf_EXTERNAL_FLOAT_ARRAY_TYPE', |
| 'V8.SizeOf_EXTERNAL_INTERNALIZED_STRING_TYPE', |
| 'V8.SizeOf_EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE', |
| 'V8.SizeOf_EXTERNAL_INT_ARRAY_TYPE', |
| 'V8.SizeOf_EXTERNAL_PIXEL_ARRAY_TYPE', |
| 'V8.SizeOf_EXTERNAL_SHORT_ARRAY_TYPE', |
| 'V8.SizeOf_EXTERNAL_STRING_TYPE', |
| 'V8.SizeOf_EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE', |
| 'V8.SizeOf_EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE', |
| 'V8.SizeOf_EXTERNAL_UNSIGNED_INT_ARRAY_TYPE', |
| 'V8.SizeOf_EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE', |
| 'V8.SizeOf_FILLER_TYPE', |
| 'V8.SizeOf_FIXED_ARRAY-DESCRIPTOR_ARRAY_SUB_TYPE', |
| 'V8.SizeOf_FIXED_ARRAY-DICTIONARY_ELEMENTS_SUB_TYPE', |
| 'V8.SizeOf_FIXED_ARRAY-DICTIONARY_PROPERTIES_SUB_TYPE', |
| 'V8.SizeOf_FIXED_ARRAY-FAST_ELEMENTS_SUB_TYPE', |
| 'V8.SizeOf_FIXED_ARRAY-FAST_PROPERTIES_SUB_TYPE', |
| 'V8.SizeOf_FIXED_ARRAY-MAP_CODE_CACHE_SUB_TYPE', |
| 'V8.SizeOf_FIXED_ARRAY-SCOPE_INFO_SUB_TYPE', |
| 'V8.SizeOf_FIXED_ARRAY-STRING_TABLE_SUB_TYPE', |
| 'V8.SizeOf_FIXED_ARRAY-TRANSITION_ARRAY_SUB_TYPE', |
| 'V8.SizeOf_FIXED_ARRAY_TYPE', |
| 'V8.SizeOf_FIXED_DOUBLE_ARRAY_TYPE', |
| 'V8.SizeOf_FOREIGN_TYPE', |
| 'V8.SizeOf_FREE_SPACE_TYPE', |
| 'V8.SizeOf_FUNCTION_TEMPLATE_INFO_TYPE', |
| 'V8.SizeOf_HEAP_NUMBER_TYPE', |
| 'V8.SizeOf_INTERCEPTOR_INFO_TYPE', |
| 'V8.SizeOf_INTERNALIZED_STRING_TYPE', |
| 'V8.SizeOf_JS_ARRAY_BUFFER_TYPE', |
| 'V8.SizeOf_JS_ARRAY_TYPE', |
| 'V8.SizeOf_JS_BUILTINS_OBJECT_TYPE', |
| 'V8.SizeOf_JS_CONTEXT_EXTENSION_OBJECT_TYPE', |
| 'V8.SizeOf_JS_DATA_VIEW_TYPE', |
| 'V8.SizeOf_JS_DATE_TYPE', |
| 'V8.SizeOf_JS_FUNCTION_PROXY_TYPE', |
| 'V8.SizeOf_JS_FUNCTION_TYPE', |
| 'V8.SizeOf_JS_GENERATOR_OBJECT_TYPE', |
| 'V8.SizeOf_JS_GLOBAL_OBJECT_TYPE', |
| 'V8.SizeOf_JS_GLOBAL_PROXY_TYPE', |
| 'V8.SizeOf_JS_MAP_TYPE', |
| 'V8.SizeOf_JS_MESSAGE_OBJECT_TYPE', |
| 'V8.SizeOf_JS_MODULE_TYPE', |
| 'V8.SizeOf_JS_OBJECT_TYPE', |
| 'V8.SizeOf_JS_PROXY_TYPE', |
| 'V8.SizeOf_JS_REGEXP_TYPE', |
| 'V8.SizeOf_JS_SET_TYPE', |
| 'V8.SizeOf_JS_TYPED_ARRAY_TYPE', |
| 'V8.SizeOf_JS_VALUE_TYPE', |
| 'V8.SizeOf_JS_WEAK_MAP_TYPE', |
| 'V8.SizeOf_JS_WEAK_SET_TYPE', |
| 'V8.SizeOf_MAP_TYPE', |
| 'V8.SizeOf_OBJECT_TEMPLATE_INFO_TYPE', |
| 'V8.SizeOf_ODDBALL_TYPE', |
| 'V8.SizeOf_POLYMORPHIC_CODE_CACHE_TYPE', |
| 'V8.SizeOf_PROPERTY_CELL_TYPE', |
| 'V8.SizeOf_SCRIPT_TYPE', |
| 'V8.SizeOf_SHARED_FUNCTION_INFO_TYPE', |
| 'V8.SizeOf_SHORT_EXTERNAL_ASCII_INTERNALIZED_STRING_TYPE', |
| 'V8.SizeOf_SHORT_EXTERNAL_ASCII_STRING_TYPE', |
| 'V8.SizeOf_SHORT_EXTERNAL_INTERNALIZED_STRING_TYPE', |
| 'V8.SizeOf_SHORT_EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE', |
| 'V8.SizeOf_SHORT_EXTERNAL_STRING_TYPE', |
| 'V8.SizeOf_SHORT_EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE', |
| 'V8.SizeOf_SIGNATURE_INFO_TYPE', |
| 'V8.SizeOf_SLICED_ASCII_STRING_TYPE', |
| 'V8.SizeOf_SLICED_STRING_TYPE', |
| 'V8.SizeOf_STRING_TYPE', |
| 'V8.SizeOf_SYMBOL_TYPE', |
| 'V8.SizeOf_TYPE_FEEDBACK_INFO_TYPE', |
| 'V8.SizeOf_TYPE_SWITCH_INFO_TYPE' |
| ] |
| |
| class V8ObjectStatsMetric(Metric): |
| """V8ObjectStatsMetric gathers statistics on the size of types in the V8 heap. |
| |
| It does this by enabling the --track_gc_object_stats flag on V8 and reading |
| these statistics from the StatsTableMetric. |
| """ |
| |
| def __init__(self): |
| super(V8ObjectStatsMetric, self).__init__() |
| self._results = None |
| |
| @classmethod |
| def CustomizeBrowserOptions(cls, options): |
| options.AppendExtraBrowserArgs([ |
| '--enable-stats-table', |
| '--enable-benchmarking', |
| '--js-flags=--track_gc_object_stats --expose_gc', |
| # TODO(rmcilroy): This is needed for --enable-stats-table. Update once |
| # https://codereview.chromium.org/22911027/ lands. |
| '--no-sandbox' |
| ]) |
| |
| @staticmethod |
| def GetV8StatsTable(tab, counters=None): |
| counters = counters or _COUNTER_NAMES |
| |
| return tab.EvaluateJavaScript(""" |
| (function(counters) { |
| var results = {}; |
| if (!window.chrome || !window.chrome.benchmarking) |
| return results; |
| window.gc(); // Trigger GC to ensure stats are checkpointed. |
| for (var i = 0; i < counters.length; i++) |
| results[counters[i]] = |
| chrome.benchmarking.counterForRenderer(counters[i]); |
| return results; |
| })(%s); |
| """ % json.dumps(counters)) |
| |
| def Start(self, page, tab): |
| """Do Nothing.""" |
| pass |
| |
| def Stop(self, page, tab): |
| """Get the values in the stats table after the page is loaded.""" |
| self._results = V8ObjectStatsMetric.GetV8StatsTable(tab) |
| if not self._results: |
| logging.warning('No V8 object stats from website: ' + page.display_name) |
| |
| def AddResults(self, tab, results): |
| """Add results for this page to the results object.""" |
| assert self._results != None, 'Must call Stop() first' |
| for counter_name in self._results: |
| results.Add(counter_name, 'kb', self._results[counter_name] / 1024.0) |
