def testThreadBusyness(self):
raw_events = [
{u'args': {},
u'cat': u'toplevel',
u'dur': 200 * 1000,
u'name': u'MessageLoop::RunTask',
u'ph': u'X',
u'pid': 123,
u'tid': 123,
u'ts': 0,
u'tts': 56485},
{u'args': {},
u'cat': u'toplevel',
u'dur': 8 * 200,
u'name': u'MessageLoop::NestedSomething',
u'ph': u'X',
u'pid': 123,
u'tid': 123,
u'ts': 0,
u'tts': 0}]
events = self._EventsFromRawEvents(raw_events)
self.assertEquals(200, ActivityLens._ThreadBusyness(events, 0, 1000))
# Clamping duration.
self.assertEquals(100, ActivityLens._ThreadBusyness(events, 0, 100))
self.assertEquals(50, ActivityLens._ThreadBusyness(events, 25, 75))
def testThreadBusyness(self):
raw_events = [{
u'args': {},
u'cat': u'toplevel',
u'dur': 200 * 1000,
u'name': u'MessageLoop::RunTask',
u'ph': u'X',
u'pid': 123,
u'tid': 123,
u'ts': 0,
u'tts': 56485
}, {
u'args': {},
u'cat': u'toplevel',
u'dur': 8 * 200,
u'name': u'MessageLoop::NestedSomething',
u'ph': u'X',
u'pid': 123,
u'tid': 123,
u'ts': 0,
u'tts': 0
}]
events = self._EventsFromRawEvents(raw_events)
self.assertEquals(200, ActivityLens._ThreadBusyness(events, 0, 1000))
# Clamping duration.
self.assertEquals(100, ActivityLens._ThreadBusyness(events, 0, 100))
self.assertEquals(50, ActivityLens._ThreadBusyness(events, 25, 75))
def testParsing(self):
css_url = u'http://example.com/style.css'
html_url = u'http://example.com/yeah.htnl'
raw_events = [
{u'args': {u'data': {u'styleSheetUrl': css_url}},
u'cat': u'blink,devtools.timeline',
u'dur': 400 * 1000,
u'name': u'ParseAuthorStyleSheet',
u'ph': u'X',
u'pid': 32723,
u'tdur': 49721,
u'tid': 32738,
u'ts': 0,
u'tts': 216148},
{u'args': {u'beginData': {u'url': html_url}},
u'cat': u'devtools.timeline',
u'dur': 42 * 1000,
u'name': u'ParseHTML',
u'ph': u'X',
u'pid': 32723,
u'tdur': 49721,
u'tid': 32738,
u'ts': 0,
u'tts': 5032310},]
events = self._EventsFromRawEvents(raw_events)
self.assertEquals(2, len(ActivityLens._Parsing(events, 0, 1000)))
self.assertTrue(css_url in ActivityLens._Parsing(events, 0, 1000))
self.assertEquals(400, ActivityLens._Parsing(events, 0, 1000)[css_url])
self.assertTrue(html_url in ActivityLens._Parsing(events, 0, 1000))
self.assertEquals(42, ActivityLens._Parsing(events, 0, 1000)[html_url])
def testParsing(self):
css_url = u'http://example.com/style.css'
html_url = u'http://example.com/yeah.htnl'
raw_events = [
{u'args': {u'data': {u'styleSheetUrl': css_url}},
u'cat': u'blink,devtools.timeline',
u'dur': 400 * 1000,
u'name': u'ParseAuthorStyleSheet',
u'ph': u'X',
u'pid': 32723,
u'tdur': 49721,
u'tid': 32738,
u'ts': 0,
u'tts': 216148},
{u'args': {u'beginData': {u'url': html_url}},
u'cat': u'devtools.timeline',
u'dur': 42 * 1000,
u'name': u'ParseHTML',
u'ph': u'X',
u'pid': 32723,
u'tdur': 49721,
u'tid': 32738,
u'ts': 0,
u'tts': 5032310},]
events = self._EventsFromRawEvents(raw_events)
self.assertEquals(2, len(ActivityLens._Parsing(events, 0, 1000)))
self.assertTrue(css_url in ActivityLens._Parsing(events, 0, 1000))
self.assertEquals(400, ActivityLens._Parsing(events, 0, 1000)[css_url])
self.assertTrue(html_url in ActivityLens._Parsing(events, 0, 1000))
self.assertEquals(42, ActivityLens._Parsing(events, 0, 1000)[html_url])
def testGetRendererMainThread(self):
first_renderer_tid = 12345
second_renderer_tid = 123456
raw_events = [
{u'args': {u'name': u'CrBrowserMain'},
u'cat': u'__metadata',
u'name': u'thread_name',
u'ph': u'M',
u'pid': 1,
u'tid': 123,
u'ts': 0},
{u'args': {u'name': u'CrRendererMain'},
u'cat': u'__metadata',
u'name': u'thread_name',
u'ph': u'M',
u'pid': 1,
u'tid': first_renderer_tid,
u'ts': 0},
{u'args': {u'name': u'CrRendererMain'},
u'cat': u'__metadata',
u'name': u'thread_name',
u'ph': u'M',
u'pid': 1,
u'tid': second_renderer_tid,
u'ts': 0}]
raw_events += [
{u'args': {u'data': {}},
u'cat': u'devtools.timeline,v8',
u'name': u'FunctionCall',
u'ph': u'X',
u'pid': 1,
u'tdur': 0,
u'tid': first_renderer_tid,
u'ts': 251427174674,
u'tts': 5107725}] * 100
raw_events += [
{u'args': {u'data': {}},
u'cat': u'devtools.timeline,v8',
u'name': u'FunctionCall',
u'ph': u'X',
u'pid': 1,
u'tdur': 0,
u'tid': second_renderer_tid,
u'ts': 251427174674,
u'tts': 5107725}] * 150
# There are more events from first_renderer_tid when (incorrectly) ignoring
# the PID.
raw_events += [
{u'args': {u'data': {}},
u'cat': u'devtools.timeline,v8',
u'name': u'FunctionCall',
u'ph': u'X',
u'pid': 12,
u'tdur': 0,
u'tid': first_renderer_tid,
u'ts': 251427174674,
u'tts': 5107725}] * 100
events = self._EventsFromRawEvents(raw_events)
self.assertEquals((1, second_renderer_tid),
ActivityLens._GetRendererMainThreadId(events))
def testGetRendererMainThread(self):
first_renderer_tid = 12345
second_renderer_tid = 123456
raw_events = [
{u'args': {u'name': u'CrBrowserMain'},
u'cat': u'__metadata',
u'name': u'thread_name',
u'ph': u'M',
u'pid': 1,
u'tid': 123,
u'ts': 0},
{u'args': {u'name': u'CrRendererMain'},
u'cat': u'__metadata',
u'name': u'thread_name',
u'ph': u'M',
u'pid': 1,
u'tid': first_renderer_tid,
u'ts': 0},
{u'args': {u'name': u'CrRendererMain'},
u'cat': u'__metadata',
u'name': u'thread_name',
u'ph': u'M',
u'pid': 1,
u'tid': second_renderer_tid,
u'ts': 0}]
raw_events += [
{u'args': {u'data': {}},
u'cat': u'devtools.timeline,v8',
u'name': u'FunctionCall',
u'ph': u'X',
u'pid': 1,
u'tdur': 0,
u'tid': first_renderer_tid,
u'ts': 251427174674,
u'tts': 5107725}] * 100
raw_events += [
{u'args': {u'data': {}},
u'cat': u'devtools.timeline,v8',
u'name': u'FunctionCall',
u'ph': u'X',
u'pid': 1,
u'tdur': 0,
u'tid': second_renderer_tid,
u'ts': 251427174674,
u'tts': 5107725}] * 150
# There are more events from first_renderer_tid when (incorrectly) ignoring
# the PID.
raw_events += [
{u'args': {u'data': {}},
u'cat': u'devtools.timeline,v8',
u'name': u'FunctionCall',
u'ph': u'X',
u'pid': 12,
u'tdur': 0,
u'tid': first_renderer_tid,
u'ts': 251427174674,
u'tts': 5107725}] * 100
events = self._EventsFromRawEvents(raw_events)
self.assertEquals((1, second_renderer_tid),
ActivityLens._GetRendererMainThreadId(events))
def __init__(self, trace, ad_rules=None, tracking_rules=None):
"""Constructor.
Args:
trace: (LoadingTrace) a loading trace.
ad_rules: ([str]) List of ad filtering rules.
tracking_rules: ([str]) List of tracking filtering rules.
"""
self.trace = trace
navigation_start_events = trace.tracing_track.GetMatchingEvents(
'blink.user_timing', 'navigationStart')
self._navigation_start_msec = min(e.start_msec
for e in navigation_start_events)
self._dns_requests, self._dns_cost_msec = metrics.DnsRequestsAndCost(
trace)
self._connection_stats = metrics.ConnectionMetrics(trace)
self._user_lens_reports = {}
plt_lens = PLTLens(self.trace)
first_text_paint_lens = FirstTextPaintLens(self.trace)
first_contentful_paint_lens = FirstContentfulPaintLens(self.trace)
first_significant_paint_lens = FirstSignificantPaintLens(self.trace)
activity = ActivityLens(trace)
network_lens = NetworkActivityLens(self.trace)
for key, user_lens in [['plt', plt_lens],
['first_text', first_text_paint_lens],
['contentful', first_contentful_paint_lens],
['significant', first_significant_paint_lens]]:
self._user_lens_reports[key] = PerUserLensReport(
self.trace, user_lens, activity, network_lens,
self._navigation_start_msec)
self._transfer_size = metrics.TotalTransferSize(trace)[1]
self._request_count = len(trace.request_track.GetEvents())
content_lens = ContentClassificationLens(trace, ad_rules or [],
tracking_rules or [])
has_ad_rules = bool(ad_rules)
has_tracking_rules = bool(tracking_rules)
self._ad_report = self._AdRequestsReport(trace, content_lens,
has_ad_rules,
has_tracking_rules)
self._ads_cost = self._AdsAndTrackingCpuCost(
self._navigation_start_msec,
(self._navigation_start_msec +
self._user_lens_reports['plt'].GenerateReport()['ms']),
content_lens, activity, has_tracking_rules or has_ad_rules)
self._queue_stats = self._ComputeQueueStats(QueuingLens(trace))
def testScriptExecuting(self):
url = u'http://example.com/script.js'
raw_events = [
{u'args': {u'data': {u'scriptName': url}},
u'cat': u'devtools.timeline,v8',
u'dur': 250 * 1000,
u'name': u'FunctionCall',
u'ph': u'X',
u'pid': 123,
u'tdur': 247,
u'tid': 123,
u'ts': 0,
u'tts': 0},
{u'args': {u'data': {}},
u'cat': u'devtools.timeline,v8',
u'dur': 350 * 1000,
u'name': u'EvaluateScript',
u'ph': u'X',
u'pid': 123,
u'tdur': 247,
u'tid': 123,
u'ts': 0,
u'tts': 0}]
events = self._EventsFromRawEvents(raw_events)
self.assertEquals(2, len(ActivityLens._ScriptsExecuting(events, 0, 1000)))
self.assertTrue(None in ActivityLens._ScriptsExecuting(events, 0, 1000))
self.assertEquals(
350, ActivityLens._ScriptsExecuting(events, 0, 1000)[None])
self.assertTrue(url in ActivityLens._ScriptsExecuting(events, 0, 1000))
self.assertEquals(250, ActivityLens._ScriptsExecuting(events, 0, 1000)[url])
# Aggreagates events.
raw_events.append({u'args': {u'data': {}},
u'cat': u'devtools.timeline,v8',
u'dur': 50 * 1000,
u'name': u'EvaluateScript',
u'ph': u'X',
u'pid': 123,
u'tdur': 247,
u'tid': 123,
u'ts': 0,
u'tts': 0})
events = self._EventsFromRawEvents(raw_events)
self.assertEquals(
350 + 50, ActivityLens._ScriptsExecuting(events, 0, 1000)[None])
def testScriptExecuting(self):
url = u'http://example.com/script.js'
raw_events = [
{u'args': {u'data': {u'scriptName': url}},
u'cat': u'devtools.timeline,v8',
u'dur': 250 * 1000,
u'name': u'FunctionCall',
u'ph': u'X',
u'pid': 123,
u'tdur': 247,
u'tid': 123,
u'ts': 0,
u'tts': 0},
{u'args': {u'data': {}},
u'cat': u'devtools.timeline,v8',
u'dur': 350 * 1000,
u'name': u'EvaluateScript',
u'ph': u'X',
u'pid': 123,
u'tdur': 247,
u'tid': 123,
u'ts': 0,
u'tts': 0}]
events = self._EventsFromRawEvents(raw_events)
self.assertEquals(2, len(ActivityLens._ScriptsExecuting(events, 0, 1000)))
self.assertTrue(None in ActivityLens._ScriptsExecuting(events, 0, 1000))
self.assertEquals(
350, ActivityLens._ScriptsExecuting(events, 0, 1000)[None])
self.assertTrue(url in ActivityLens._ScriptsExecuting(events, 0, 1000))
self.assertEquals(250, ActivityLens._ScriptsExecuting(events, 0, 1000)[url])
# Aggreagates events.
raw_events.append({u'args': {u'data': {}},
u'cat': u'devtools.timeline,v8',
u'dur': 50 * 1000,
u'name': u'EvaluateScript',
u'ph': u'X',
u'pid': 123,
u'tdur': 247,
u'tid': 123,
u'ts': 0,
u'tts': 0})
events = self._EventsFromRawEvents(raw_events)
self.assertEquals(
350 + 50, ActivityLens._ScriptsExecuting(events, 0, 1000)[None])
def _ActivityLens(self, requests, raw_events):
loading_trace = test_utils.LoadingTraceFromEvents(
requests, None, raw_events)
return ActivityLens(loading_trace)