# 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 from telemetry.value import scalar _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_AGE-NotExecuted', 'V8.SizeOf_CODE_AGE-ExecutedOnce', 'V8.SizeOf_CODE_AGE-NoAge', 'V8.SizeOf_CODE_AGE-Quadragenarian', 'V8.SizeOf_CODE_AGE-Quinquagenarian', 'V8.SizeOf_CODE_AGE-Sexagenarian', 'V8.SizeOf_CODE_AGE-Septuagenarian', 'V8.SizeOf_CODE_AGE-Octogenarian', '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', ] # Descriptions for what different counter names represent. DESCRIPTIONS = { 'V8.MemoryExternalFragmentationTotal': 'Total external memory fragmentation after each GC in percent.', 'V8.MemoryHeapSampleTotalCommitted': 'The total size of committed memory used by V8 after each GC in KB.', 'V8.MemoryHeapSampleTotalUsed': 'The total size of live memory used by V8 after each GC in KB.', } 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, counters=None): super(V8ObjectStatsMetric, self).__init__() self._results = None self._counters = counters or _COUNTER_NAMES @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): return tab.EvaluateJavaScript(""" (function(counters) { var results = {}; if (!window.chrome || !window.chrome.benchmarking) return results; try { window.gc(); // Trigger GC to ensure stats are checkpointed. } catch(e) { // window.gc() could have been mapped to something else, // just continue. } 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, self._counters) 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: description = DESCRIPTIONS.get(counter_name) display_name = counter_name.replace('.', '_') results.AddValue(scalar.ScalarValue( results.current_page, display_name, 'kb', self._results[counter_name] / 1024.0, description=description))