81 lines
2.9 KiB
Python
81 lines
2.9 KiB
Python
# 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 metrics import histogram
|
|
from metrics import memory
|
|
from telemetry.page import page_measurement
|
|
|
|
|
|
MEMORY_HISTOGRAMS = [
|
|
{'name': 'V8.MemoryExternalFragmentationTotal', 'units': 'percent'},
|
|
{'name': 'V8.MemoryHeapSampleTotalCommitted', 'units': 'kb'},
|
|
{'name': 'V8.MemoryHeapSampleTotalUsed', 'units': 'kb'},
|
|
{'name': 'Memory.RendererUsed', 'units': 'kb'}]
|
|
|
|
|
|
BROWSER_MEMORY_HISTOGRAMS = [
|
|
{'name': 'Memory.BrowserUsed', 'units': 'kb'}]
|
|
|
|
|
|
class Memory(page_measurement.PageMeasurement):
|
|
def __init__(self):
|
|
super(Memory, self).__init__('stress_memory')
|
|
self.histograms = (
|
|
[histogram.HistogramMetric(
|
|
h, histogram.RENDERER_HISTOGRAM)
|
|
for h in MEMORY_HISTOGRAMS] +
|
|
[histogram.HistogramMetric(
|
|
h, histogram.BROWSER_HISTOGRAM)
|
|
for h in BROWSER_MEMORY_HISTOGRAMS])
|
|
|
|
self._memory_metric = None
|
|
|
|
def DidStartBrowser(self, browser):
|
|
self._memory_metric = memory.MemoryMetric(browser)
|
|
self._memory_metric.Start()
|
|
|
|
def DidNavigateToPage(self, page, tab):
|
|
for h in self.histograms:
|
|
h.Start(page, tab)
|
|
|
|
def CustomizeBrowserOptions(self, options):
|
|
options.AppendExtraBrowserArg('--enable-stats-collection-bindings')
|
|
options.AppendExtraBrowserArg('--enable-memory-benchmarking')
|
|
# For a hard-coded set of Google pages (such as GMail), we produce custom
|
|
# memory histograms (V8.Something_gmail) instead of the generic histograms
|
|
# (V8.Something), if we detect that a renderer is only rendering this page
|
|
# and no other pages. For this test, we need to disable histogram
|
|
# customizing, so that we get the same generic histograms produced for all
|
|
# pages.
|
|
options.AppendExtraBrowserArg('--disable-histogram-customizer')
|
|
options.AppendExtraBrowserArg('--memory-metrics')
|
|
|
|
# Old commandline flags used for reference builds.
|
|
options.AppendExtraBrowserArg('--dom-automation')
|
|
options.AppendExtraBrowserArg(
|
|
'--reduce-security-for-dom-automation-tests')
|
|
|
|
def CanRunForPage(self, page):
|
|
return hasattr(page, 'stress_memory')
|
|
|
|
def MeasurePage(self, page, tab, results):
|
|
for h in self.histograms:
|
|
h.GetValue(page, tab, results)
|
|
|
|
if tab.browser.is_profiler_active('tcmalloc-heap'):
|
|
# The tcmalloc_heap_profiler dumps files at regular
|
|
# intervals (~20 secs).
|
|
# This is a minor optimization to ensure it'll dump the last file when
|
|
# the test completes.
|
|
tab.ExecuteJavaScript("""
|
|
if (chrome && chrome.memoryBenchmarking) {
|
|
chrome.memoryBenchmarking.heapProfilerDump('final', 'renderer');
|
|
chrome.memoryBenchmarking.heapProfilerDump('final', 'browser');
|
|
}
|
|
""")
|
|
|
|
def DidRunTest(self, tab, results):
|
|
self._memory_metric.Stop()
|
|
self._memory_metric.AddResults(tab, results)
|
|
|