1 # Copyright 2013 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import json 6 import logging 7 8 from metrics import Metric 9 from telemetry.value import scalar 10 11 12 _COUNTER_NAMES = [ 13 'V8.OsMemoryAllocated', 14 'V8.MemoryNewSpaceBytesAvailable', 15 'V8.MemoryNewSpaceBytesCommitted', 16 'V8.MemoryNewSpaceBytesUsed', 17 'V8.MemoryOldPointerSpaceBytesAvailable', 18 'V8.MemoryOldPointerSpaceBytesCommitted', 19 'V8.MemoryOldPointerSpaceBytesUsed', 20 'V8.MemoryOldDataSpaceBytesAvailable', 21 'V8.MemoryOldDataSpaceBytesCommitted', 22 'V8.MemoryOldDataSpaceBytesUsed', 23 'V8.MemoryCodeSpaceBytesAvailable', 24 'V8.MemoryCodeSpaceBytesCommitted', 25 'V8.MemoryCodeSpaceBytesUsed', 26 'V8.MemoryMapSpaceBytesAvailable', 27 'V8.MemoryMapSpaceBytesCommitted', 28 'V8.MemoryMapSpaceBytesUsed', 29 'V8.MemoryCellSpaceBytesAvailable', 30 'V8.MemoryCellSpaceBytesCommitted', 31 'V8.MemoryCellSpaceBytesUsed', 32 'V8.MemoryPropertyCellSpaceBytesAvailable', 33 'V8.MemoryPropertyCellSpaceBytesCommitted', 34 'V8.MemoryPropertyCellSpaceBytesUsed', 35 'V8.MemoryLoSpaceBytesAvailable', 36 'V8.MemoryLoSpaceBytesCommitted', 37 'V8.MemoryLoSpaceBytesUsed', 38 'V8.SizeOf_ACCESSOR_PAIR_TYPE', 39 'V8.SizeOf_ACCESS_CHECK_INFO_TYPE', 40 'V8.SizeOf_ALIASED_ARGUMENTS_ENTRY_TYPE', 41 'V8.SizeOf_ALLOCATION_MEMENTO_TYPE', 42 'V8.SizeOf_ALLOCATION_SITE_TYPE', 43 'V8.SizeOf_ASCII_INTERNALIZED_STRING_TYPE', 44 'V8.SizeOf_ASCII_STRING_TYPE', 45 'V8.SizeOf_BOX_TYPE', 46 'V8.SizeOf_BREAK_POINT_INFO_TYPE', 47 'V8.SizeOf_BYTE_ARRAY_TYPE', 48 'V8.SizeOf_CALL_HANDLER_INFO_TYPE', 49 'V8.SizeOf_CELL_TYPE', 50 'V8.SizeOf_CODE_AGE-NotExecuted', 51 'V8.SizeOf_CODE_AGE-ExecutedOnce', 52 'V8.SizeOf_CODE_AGE-NoAge', 53 'V8.SizeOf_CODE_AGE-Quadragenarian', 54 'V8.SizeOf_CODE_AGE-Quinquagenarian', 55 'V8.SizeOf_CODE_AGE-Sexagenarian', 56 'V8.SizeOf_CODE_AGE-Septuagenarian', 57 'V8.SizeOf_CODE_AGE-Octogenarian', 58 'V8.SizeOf_CODE_CACHE_TYPE', 59 'V8.SizeOf_CODE_TYPE', 60 'V8.SizeOf_CODE_TYPE-BINARY_OP_IC', 61 'V8.SizeOf_CODE_TYPE-BUILTIN', 62 'V8.SizeOf_CODE_TYPE-CALL_IC', 63 'V8.SizeOf_CODE_TYPE-COMPARE_IC', 64 'V8.SizeOf_CODE_TYPE-COMPARE_NIL_IC', 65 'V8.SizeOf_CODE_TYPE-FUNCTION', 66 'V8.SizeOf_CODE_TYPE-KEYED_CALL_IC', 67 'V8.SizeOf_CODE_TYPE-KEYED_LOAD_IC', 68 'V8.SizeOf_CODE_TYPE-KEYED_STORE_IC', 69 'V8.SizeOf_CODE_TYPE-LOAD_IC', 70 'V8.SizeOf_CODE_TYPE-OPTIMIZED_FUNCTION', 71 'V8.SizeOf_CODE_TYPE-REGEXP', 72 'V8.SizeOf_CODE_TYPE-STORE_IC', 73 'V8.SizeOf_CODE_TYPE-STUB', 74 'V8.SizeOf_CODE_TYPE-TO_BOOLEAN_IC', 75 'V8.SizeOf_CONS_ASCII_INTERNALIZED_STRING_TYPE', 76 'V8.SizeOf_CONS_ASCII_STRING_TYPE', 77 'V8.SizeOf_CONS_INTERNALIZED_STRING_TYPE', 78 'V8.SizeOf_CONS_STRING_TYPE', 79 'V8.SizeOf_DEBUG_INFO_TYPE', 80 'V8.SizeOf_DECLARED_ACCESSOR_DESCRIPTOR_TYPE', 81 'V8.SizeOf_DECLARED_ACCESSOR_INFO_TYPE', 82 'V8.SizeOf_EXECUTABLE_ACCESSOR_INFO_TYPE', 83 'V8.SizeOf_EXTERNAL_ASCII_INTERNALIZED_STRING_TYPE', 84 'V8.SizeOf_EXTERNAL_ASCII_STRING_TYPE', 85 'V8.SizeOf_EXTERNAL_BYTE_ARRAY_TYPE', 86 'V8.SizeOf_EXTERNAL_DOUBLE_ARRAY_TYPE', 87 'V8.SizeOf_EXTERNAL_FLOAT_ARRAY_TYPE', 88 'V8.SizeOf_EXTERNAL_INTERNALIZED_STRING_TYPE', 89 'V8.SizeOf_EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE', 90 'V8.SizeOf_EXTERNAL_INT_ARRAY_TYPE', 91 'V8.SizeOf_EXTERNAL_PIXEL_ARRAY_TYPE', 92 'V8.SizeOf_EXTERNAL_SHORT_ARRAY_TYPE', 93 'V8.SizeOf_EXTERNAL_STRING_TYPE', 94 'V8.SizeOf_EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE', 95 'V8.SizeOf_EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE', 96 'V8.SizeOf_EXTERNAL_UNSIGNED_INT_ARRAY_TYPE', 97 'V8.SizeOf_EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE', 98 'V8.SizeOf_FILLER_TYPE', 99 'V8.SizeOf_FIXED_ARRAY-DESCRIPTOR_ARRAY_SUB_TYPE', 100 'V8.SizeOf_FIXED_ARRAY-DICTIONARY_ELEMENTS_SUB_TYPE', 101 'V8.SizeOf_FIXED_ARRAY-DICTIONARY_PROPERTIES_SUB_TYPE', 102 'V8.SizeOf_FIXED_ARRAY-FAST_ELEMENTS_SUB_TYPE', 103 'V8.SizeOf_FIXED_ARRAY-FAST_PROPERTIES_SUB_TYPE', 104 'V8.SizeOf_FIXED_ARRAY-MAP_CODE_CACHE_SUB_TYPE', 105 'V8.SizeOf_FIXED_ARRAY-SCOPE_INFO_SUB_TYPE', 106 'V8.SizeOf_FIXED_ARRAY-STRING_TABLE_SUB_TYPE', 107 'V8.SizeOf_FIXED_ARRAY-TRANSITION_ARRAY_SUB_TYPE', 108 'V8.SizeOf_FIXED_ARRAY_TYPE', 109 'V8.SizeOf_FIXED_DOUBLE_ARRAY_TYPE', 110 'V8.SizeOf_FOREIGN_TYPE', 111 'V8.SizeOf_FREE_SPACE_TYPE', 112 'V8.SizeOf_FUNCTION_TEMPLATE_INFO_TYPE', 113 'V8.SizeOf_HEAP_NUMBER_TYPE', 114 'V8.SizeOf_INTERCEPTOR_INFO_TYPE', 115 'V8.SizeOf_INTERNALIZED_STRING_TYPE', 116 'V8.SizeOf_JS_ARRAY_BUFFER_TYPE', 117 'V8.SizeOf_JS_ARRAY_TYPE', 118 'V8.SizeOf_JS_BUILTINS_OBJECT_TYPE', 119 'V8.SizeOf_JS_CONTEXT_EXTENSION_OBJECT_TYPE', 120 'V8.SizeOf_JS_DATA_VIEW_TYPE', 121 'V8.SizeOf_JS_DATE_TYPE', 122 'V8.SizeOf_JS_FUNCTION_PROXY_TYPE', 123 'V8.SizeOf_JS_FUNCTION_TYPE', 124 'V8.SizeOf_JS_GENERATOR_OBJECT_TYPE', 125 'V8.SizeOf_JS_GLOBAL_OBJECT_TYPE', 126 'V8.SizeOf_JS_GLOBAL_PROXY_TYPE', 127 'V8.SizeOf_JS_MAP_TYPE', 128 'V8.SizeOf_JS_MESSAGE_OBJECT_TYPE', 129 'V8.SizeOf_JS_MODULE_TYPE', 130 'V8.SizeOf_JS_OBJECT_TYPE', 131 'V8.SizeOf_JS_PROXY_TYPE', 132 'V8.SizeOf_JS_REGEXP_TYPE', 133 'V8.SizeOf_JS_SET_TYPE', 134 'V8.SizeOf_JS_TYPED_ARRAY_TYPE', 135 'V8.SizeOf_JS_VALUE_TYPE', 136 'V8.SizeOf_JS_WEAK_MAP_TYPE', 137 'V8.SizeOf_JS_WEAK_SET_TYPE', 138 'V8.SizeOf_MAP_TYPE', 139 'V8.SizeOf_OBJECT_TEMPLATE_INFO_TYPE', 140 'V8.SizeOf_ODDBALL_TYPE', 141 'V8.SizeOf_POLYMORPHIC_CODE_CACHE_TYPE', 142 'V8.SizeOf_PROPERTY_CELL_TYPE', 143 'V8.SizeOf_SCRIPT_TYPE', 144 'V8.SizeOf_SHARED_FUNCTION_INFO_TYPE', 145 'V8.SizeOf_SHORT_EXTERNAL_ASCII_INTERNALIZED_STRING_TYPE', 146 'V8.SizeOf_SHORT_EXTERNAL_ASCII_STRING_TYPE', 147 'V8.SizeOf_SHORT_EXTERNAL_INTERNALIZED_STRING_TYPE', 148 'V8.SizeOf_SHORT_EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE', 149 'V8.SizeOf_SHORT_EXTERNAL_STRING_TYPE', 150 'V8.SizeOf_SHORT_EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE', 151 'V8.SizeOf_SIGNATURE_INFO_TYPE', 152 'V8.SizeOf_SLICED_ASCII_STRING_TYPE', 153 'V8.SizeOf_SLICED_STRING_TYPE', 154 'V8.SizeOf_STRING_TYPE', 155 'V8.SizeOf_SYMBOL_TYPE', 156 'V8.SizeOf_TYPE_FEEDBACK_INFO_TYPE', 157 'V8.SizeOf_TYPE_SWITCH_INFO_TYPE', 158 ] 159 160 # Descriptions for what different counter names represent. 161 DESCRIPTIONS = { 162 'V8.MemoryExternalFragmentationTotal': 163 'Total external memory fragmentation after each GC in percent.', 164 'V8.MemoryHeapSampleTotalCommitted': 165 'The total size of committed memory used by V8 after each GC in KB.', 166 'V8.MemoryHeapSampleTotalUsed': 167 'The total size of live memory used by V8 after each GC in KB.', 168 } 169 170 171 class V8ObjectStatsMetric(Metric): 172 """V8ObjectStatsMetric gathers statistics on the size of types in the V8 heap. 173 174 It does this by enabling the --track_gc_object_stats flag on V8 and reading 175 these statistics from the StatsTableMetric. 176 """ 177 178 def __init__(self, counters=None): 179 super(V8ObjectStatsMetric, self).__init__() 180 self._results = None 181 self._counters = counters or _COUNTER_NAMES 182 183 @classmethod 184 def CustomizeBrowserOptions(cls, options): 185 options.AppendExtraBrowserArgs([ 186 '--enable-stats-table', 187 '--enable-benchmarking', 188 '--js-flags=--track_gc_object_stats --expose_gc', 189 # TODO(rmcilroy): This is needed for --enable-stats-table. Update once 190 # https://codereview.chromium.org/22911027/ lands. 191 '--no-sandbox' 192 ]) 193 194 @staticmethod 195 def GetV8StatsTable(tab, counters): 196 197 return tab.EvaluateJavaScript(""" 198 (function(counters) { 199 var results = {}; 200 if (!window.chrome || !window.chrome.benchmarking) 201 return results; 202 try { 203 window.gc(); // Trigger GC to ensure stats are checkpointed. 204 } catch(e) { 205 // window.gc() could have been mapped to something else, 206 // just continue. 207 } 208 for (var i = 0; i < counters.length; i++) 209 results[counters[i]] = 210 chrome.benchmarking.counterForRenderer(counters[i]); 211 return results; 212 })(%s); 213 """ % json.dumps(counters)) 214 215 def Start(self, page, tab): 216 """Do Nothing.""" 217 pass 218 219 def Stop(self, page, tab): 220 """Get the values in the stats table after the page is loaded.""" 221 self._results = V8ObjectStatsMetric.GetV8StatsTable(tab, self._counters) 222 if not self._results: 223 logging.warning('No V8 object stats from website: ' + page.display_name) 224 225 def AddResults(self, tab, results): 226 """Add results for this page to the results object.""" 227 assert self._results != None, 'Must call Stop() first' 228 for counter_name in self._results: 229 description = DESCRIPTIONS.get(counter_name) 230 display_name = counter_name.replace('.', '_') 231 results.AddValue(scalar.ScalarValue( 232 results.current_page, display_name, 'kb', 233 self._results[counter_name] / 1024.0, description=description)) 234
