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# 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))
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