| #!/usr/bin/env python |
| # Copyright 2018 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. |
| |
| # This script parses result of build/android/adb_profile_chrome_startup and |
| # prints various information. |
| |
| import argparse |
| import collections |
| import glob |
| import itertools |
| import json |
| import os |
| import re |
| |
| |
| def HumanSortingKey(string): |
| # From https://goo.gl/65xrva |
| def _ToInt(string): |
| return int(string) if string.isdigit() else string |
| return [_ToInt(c) for c in re.split('(\d+)', string)] |
| |
| |
| class LogIndenter(object): |
| _indentation = 0 |
| |
| def __init__(self, message=None, *arguments): |
| self._indented = False |
| if message is not None: |
| log(message, *arguments) |
| |
| def __enter__(self): |
| self.indent() |
| return self |
| |
| def __exit__(self, type, value, traceback): |
| self.unindent() |
| |
| def indent(self): |
| if not self._indented: |
| LogIndenter._indentation += 1 |
| self._indented = True |
| |
| def unindent(self): |
| if self._indented: |
| LogIndenter._indentation -= 1 |
| self._indented = False |
| |
| @classmethod |
| def indentation(self): |
| return LogIndenter._indentation |
| |
| |
| def log(message, *arguments): |
| if not message: |
| print |
| return |
| |
| if arguments: |
| message = message.format(*arguments) |
| if LogIndenter.indentation() > 0: |
| message = ' ' * LogIndenter.indentation() + message |
| print message |
| |
| |
| def ParseTraceDatas(trace_file_path): |
| start_tag = re.compile( |
| '^\s*<script class="trace-data" type="application/text">$') |
| end_tag = re.compile('^(?P<line>.*?)\s*</script>$') |
| |
| trace_datas = [] |
| |
| current_trace_lines = None |
| with open(trace_file_path) as trace_file: |
| for line in trace_file: |
| line = line.rstrip() |
| if current_trace_lines is None: |
| if start_tag.match(line): |
| current_trace_lines = [] |
| else: |
| match = end_tag.match(line) |
| if match: |
| current_trace_lines.append(match.group('line')) |
| trace_datas.append('\n'.join(current_trace_lines)) |
| current_trace_lines = None |
| else: |
| current_trace_lines.append(line) |
| |
| return trace_datas |
| |
| |
| class Event(object): |
| PHASE_BEGIN = 'B' |
| PHASE_END = 'E' |
| PHASE_COMPLETE = 'X' |
| PHASE_ASYNC_BEGIN = 'S' |
| PHASE_ASYNC_END = 'F' |
| |
| def __init__(self, node): |
| self._node = node |
| |
| @property |
| def pid(self): |
| return int(self._node['pid']) |
| |
| @property |
| def tid(self): |
| return int(self._node['tid']) |
| |
| @property |
| def name(self): |
| return self._node.get('name') |
| |
| @property |
| def phase(self): |
| return self._node['ph'] |
| |
| @property |
| def category(self): |
| return self._node['cat'] |
| |
| @property |
| def timestamp_us(self): |
| return long(self._node['ts']) |
| |
| @property |
| def duration_us(self): |
| return long(self._node['dur']) |
| |
| @property |
| def args(self): |
| return self._node['args'] |
| |
| |
| class EventInterval(object): |
| def __init__(self, from_event=None, to_event=None): |
| self.from_event = from_event |
| self.to_event = to_event |
| |
| def SetFromEventOnce(self, from_event): |
| if self.from_event is None: |
| self.from_event = from_event |
| |
| def SetToEventOnce(self, to_event): |
| if self.to_event is None: |
| self.to_event = to_event |
| |
| def FormatAsMilliseconds(self): |
| if not self.from_event: |
| time_string = "[missing the start of of the interval]" |
| elif not self.to_event: |
| time_string = "[missing the end of the interval]" |
| else: |
| interval_us = self.to_event.timestamp_us - self.from_event.timestamp_us |
| time_string = str(interval_us / 1000.0) |
| return time_string |
| |
| def UpTo(self, other_iterval): |
| return EventInterval(self.from_event, other_iterval.to_event) |
| |
| |
| class Process(object): |
| |
| BROWSER_NAME = 'Browser' |
| |
| def __init__(self, pid): |
| self.pid = pid |
| self.name = None |
| self.events_by_name = collections.defaultdict(list) |
| self.time_ns_by_histogram = {} |
| self.malloc_counter_by_name = {} |
| # TODO: move these into Trace |
| self.startup_interval = EventInterval() |
| self.first_ui_interval = EventInterval() |
| |
| |
| class Trace(object): |
| def __init__(self, file_path): |
| self.file_path = file_path |
| self.process_by_pid = {} |
| self.startup_event = None |
| self.navigation_start_event = None |
| # TODO: convert these to properties over events |
| self.navigation_to_contentul_paint_interval = EventInterval() |
| self.navigation_to_meaningful_paint_interval = EventInterval() |
| self.navigation_to_commit_interval = None |
| |
| @property |
| def startup_to_navigation_interval(self): |
| return EventInterval(self.startup_event, self.navigation_start_event) |
| |
| def Finalize(self): |
| self.startup_event = self.FindFirstEvent(*Trace.STARTUP_EVENT_NAMES) |
| self.navigation_start_event = self.FindFirstEvent( |
| Trace.NAVIGATION_START_EVENT_NAME) |
| |
| def _FindNavigationToCommitInterval(): |
| events = self.FindAllEvents(Trace.NAVIGATION_COMMIT_EVENT_NAME) |
| interval = EventInterval() |
| for event in events: |
| if event.phase == Event.PHASE_ASYNC_BEGIN: |
| interval.SetFromEventOnce(event) |
| elif event.phase == Event.PHASE_ASYNC_END: |
| interval.SetToEventOnce(event) |
| return interval |
| self.navigation_to_commit_interval = _FindNavigationToCommitInterval() |
| |
| def FindAllEvents(self, *names): |
| events = [] |
| for process in self.process_by_pid.itervalues(): |
| for name in names: |
| process_events = process.events_by_name.get(name) |
| if process_events: |
| events.extend(process_events) |
| events.sort(key=lambda e: e.timestamp_us) |
| return events |
| |
| def FindFirstEvent(self, *names): |
| events = self.FindAllEvents(*names) |
| return events[0] if events else None |
| |
| NAVIGATION_START_EVENT_NAME = 'NavigationTiming navigationStart' |
| NAVIGATION_COMMIT_EVENT_NAME = 'Navigation StartToCommit' |
| |
| STARTUP_EVENT_NAMES = [ |
| 'Startup.BrowserMainEntryPoint', |
| 'ChromeApplication.onCreate', |
| 'ContentShellApplication.onCreate'] |
| |
| |
| def ParseTrace(file_path): |
| trace_datas = ParseTraceDatas(file_path) |
| if not trace_datas: |
| raise Exception("The file doesn't have any trace-data elements.") |
| |
| trace_json = None |
| for trace_data in trace_datas: |
| try: |
| trace_json = json.loads(trace_data) |
| except ValueError: |
| continue |
| |
| if not trace_json: |
| raise Exception("Couldn't parse trace-data json.") |
| |
| trace = Trace(file_path) |
| |
| for event_node in trace_json['traceEvents']: |
| event = Event(event_node) |
| |
| pid = event.pid |
| process = trace.process_by_pid.get(event.pid) |
| if not process: |
| process = Process(pid) |
| trace.process_by_pid[pid] = process |
| |
| name = event.name |
| if not name: |
| continue |
| |
| process.events_by_name[name].append(event) |
| |
| phase = event.phase |
| category = event.category |
| |
| if name == 'process_name': |
| process.name = event.args['name'] |
| |
| if (category == 'disabled-by-default-uma-addtime' and |
| name not in process.time_ns_by_histogram): |
| process.time_ns_by_histogram[name] = int(event.args['value_ns']) |
| |
| if name in Trace.STARTUP_EVENT_NAMES: |
| process.startup_interval.SetFromEventOnce(event) |
| elif name == 'BenchmarkInstrumentation::ImplThreadRenderingStats': |
| process.startup_interval.SetToEventOnce(event) |
| |
| if name == Trace.NAVIGATION_START_EVENT_NAME: |
| trace.navigation_to_contentul_paint_interval.SetFromEventOnce(event) |
| trace.navigation_to_meaningful_paint_interval.SetFromEventOnce(event) |
| elif name == 'firstContentfulPaint': |
| trace.navigation_to_contentul_paint_interval.SetToEventOnce(event) |
| elif name == 'firstMeaningfulPaint': |
| trace.navigation_to_meaningful_paint_interval.SetToEventOnce(event) |
| |
| if (name == 'AsyncInitializationActivity.onCreate()' and |
| phase == Event.PHASE_END): |
| process.first_ui_interval.SetFromEventOnce(event) |
| elif name == 'ChromeBrowserInitializer.startChromeBrowserProcessesAsync': |
| process.first_ui_interval.SetToEventOnce(event) |
| |
| if category == 'malloc' and name == 'malloc_counter': |
| counter_name, counter_value = next(event.args.iteritems()) |
| process.malloc_counter_by_name[counter_name] = long(counter_value) |
| |
| trace.Finalize() |
| return trace |
| |
| |
| EventSummary = collections.namedtuple('EventSummary', [ |
| 'trace', |
| 'event', |
| 'startup_to_event_ms', |
| 'navigation_to_event_ms', |
| 'duration_ms' |
| ]) |
| |
| def SummarizeEvents(event_name_regex, trace, process): |
| summaries = [] |
| def _AddSummary(event, start_us, duration_us): |
| startup_to_event_ms = ( |
| None if trace.startup_event is None else |
| (start_us - trace.startup_event.timestamp_us) / 1000.0) |
| navigation_to_event_ms = ( |
| None if trace.navigation_start_event is None else |
| (start_us - trace.navigation_start_event.timestamp_us) / 1000.0) |
| summaries.append(EventSummary( |
| trace, event, startup_to_event_ms, navigation_to_event_ms, |
| duration_us / 1000.0)) |
| |
| for name, events in process.events_by_name.iteritems(): |
| if event_name_regex.search(name): |
| sorted_events = sorted(events, |
| key=lambda e: (e.tid, e.timestamp_us)) |
| begin_event = None |
| for event in sorted_events: |
| if event.phase == Event.PHASE_COMPLETE: |
| _AddSummary(event, event.timestamp_us, event.duration_us) |
| elif (event.phase == Event.PHASE_BEGIN or |
| event.phase == Event.PHASE_ASYNC_BEGIN): |
| begin_event = event |
| elif (event.phase == Event.PHASE_END or |
| event.phase == Event.PHASE_ASYNC_END): |
| if begin_event is not None: |
| duration_us = event.timestamp_us - begin_event.timestamp_us |
| _AddSummary(event, begin_event.timestamp_us, duration_us) |
| begin_event = None |
| |
| return summaries |
| |
| |
| def PrintReport(file_paths, options): |
| # TODO: don't accumulate traces, build report on the fly |
| traces = [] |
| for file_path in file_paths: |
| log('Parsing {}...', file_path) |
| try: |
| traces.append(ParseTrace(file_path)) |
| except Exception as e: |
| log('Oops: {}', e.message) |
| |
| log('Parsed {} trace(s).', len(traces)) |
| |
| event_name_regex = None |
| event_summaries_by_name = collections.defaultdict(list) |
| if options.print_events: |
| event_name_regex = re.compile(options.print_events) |
| |
| def _TraceSortingKey(trace): |
| return HumanSortingKey(os.path.basename(trace.file_path)) |
| |
| traces.sort(key=lambda t: _TraceSortingKey(t)) |
| |
| if options.csv: |
| separator = ',' |
| gap = '' |
| else: |
| separator = '\t' |
| # Make it less likely for terminals to eat tabs when wrapping a line. |
| gap = ' ' |
| |
| table = [[ |
| 'File', |
| 'Startup (ms)', |
| 'StartupToNavigation (ms)', |
| 'NavigationToCommit (ms)', |
| 'NavigationToContentfulPaint (ms)', |
| 'StartupToContentfulPaint (ms)', |
| 'NavigationToMeaningfulPaint (ms)', |
| 'StartupToMeaningfulPaint (ms)' |
| ]] |
| for trace in traces: |
| browser_process = None |
| for process in trace.process_by_pid.itervalues(): |
| if process.name == Process.BROWSER_NAME: |
| browser_process = process |
| break |
| if browser_process is None: |
| continue |
| |
| table.append([ |
| os.path.basename(trace.file_path), |
| browser_process.startup_interval.FormatAsMilliseconds(), |
| trace.startup_to_navigation_interval.FormatAsMilliseconds(), |
| trace.navigation_to_commit_interval.FormatAsMilliseconds(), |
| trace.navigation_to_contentul_paint_interval.FormatAsMilliseconds(), |
| browser_process.startup_interval.UpTo(trace.navigation_to_contentul_paint_interval).\ |
| FormatAsMilliseconds(), |
| trace.navigation_to_meaningful_paint_interval.FormatAsMilliseconds(), |
| browser_process.startup_interval.UpTo(trace.navigation_to_meaningful_paint_interval).\ |
| FormatAsMilliseconds() |
| ]) |
| |
| if event_name_regex: |
| event_summaries = SummarizeEvents( |
| event_name_regex, trace, browser_process) |
| for summary in event_summaries: |
| event_summaries_by_name[summary.event.name].append(summary) |
| |
| for name, event_summaries in event_summaries_by_name.iteritems(): |
| table.append([]) |
| |
| summaries_by_trace = collections.defaultdict(list) |
| for summary in event_summaries: |
| summaries_by_trace[summary.trace].append(summary) |
| |
| width = max(len(s) for s in summaries_by_trace.itervalues()) |
| summary_headers = [ |
| 'StartupToEvent (ms)', |
| 'NavigationToEvent (ms)', |
| 'Duration (ms)' |
| ] |
| |
| table.append( |
| [name] + |
| ([gap] * len(summary_headers)) + |
| list(itertools.chain.from_iterable( |
| ['#{}'.format(i)] + [gap] * (len(summary_headers) - 1) |
| for i in range(1, width)))) |
| table.append( |
| ['File'] + |
| summary_headers * width) |
| |
| trace_summaries = sorted(summaries_by_trace.iteritems(), |
| key=lambda t_s: _TraceSortingKey(t_s[0])) |
| for trace, summaries in trace_summaries: |
| row = [os.path.basename(trace.file_path)] |
| for summary in summaries: |
| row += [ |
| (gap if summary.startup_to_event_ms is None |
| else summary.startup_to_event_ms), |
| (gap if summary.navigation_to_event_ms is None |
| else summary.navigation_to_event_ms), |
| summary.duration_ms |
| ] |
| table.append(row) |
| |
| print |
| print '\n'.join(separator.join(str(v) for v in row) for row in table) |
| |
| |
| def PrintTrace(trace_file_path, options): |
| trace = ParseTrace(trace_file_path) |
| |
| def _PrintInterval(name, interval): |
| log('{} (ms): {}', name, interval.FormatAsMilliseconds()) |
| |
| def _PrintHistogramTime(process, name): |
| time_ns = process.time_ns_by_histogram.get(name) |
| time_ms = None if time_ns is None else time_ns / 1e6 |
| if time_ms is not None or options.print_none_histograms: |
| log('{} (ms): {}', name, time_ms) |
| |
| histogram_names = [ |
| 'Startup.FirstCommitNavigationTime3.ZoomedIn', |
| 'MobileStartup.ToolbarFirstDrawTime.ChromeTabbedActivity', |
| 'ChromeGeneratedCustomTab.IntentToFirstCommitNavigationTime2.ZoomedIn', |
| 'CustomTabs.IntentToFirstCommitNavigationTime2.ZoomedIn', |
| 'PageLoad.PaintTiming.NavigationToFirstPaint', |
| 'PageLoad.PaintTiming.NavigationToFirstContentfulPaint', |
| 'PageLoad.Experimental.PaintTiming.NavigationToFirstMeaningfulPaint', |
| 'SessionRestore.ForegroundTabFirstPaint3', |
| ] |
| |
| processes = sorted(trace.process_by_pid.itervalues(), key=lambda p: p.name) |
| |
| events_regex = None |
| if options.print_events: |
| events_regex = re.compile(options.print_events) |
| |
| for process in processes: |
| log('{} timings:', process.name) |
| indenter = LogIndenter() |
| indenter.indent() |
| |
| if process.name == Process.BROWSER_NAME: |
| _PrintInterval('Startup', process.startup_interval) |
| _PrintInterval('StartupToNavigation', |
| trace.startup_to_navigation_interval) |
| _PrintInterval('NavigationToCommit', trace.navigation_to_commit_interval) |
| _PrintInterval('NavigationToContentfulPaint', |
| trace.navigation_to_contentul_paint_interval) |
| _PrintInterval('StartupToContentfulPaint', process.startup_interval.UpTo( |
| trace.navigation_to_contentul_paint_interval)) |
| _PrintInterval('NavigationToMeaningfulPaint', |
| trace.navigation_to_meaningful_paint_interval) |
| _PrintInterval('StartupToMeaningfulPaint', process.startup_interval.UpTo( |
| trace.navigation_to_meaningful_paint_interval)) |
| |
| if options.experimental: |
| _PrintInterval('First UI interval', process.first_ui_interval) |
| |
| if process.malloc_counter_by_name: |
| def _PrintMallocCounter(title, value_name, factor): |
| value = process.malloc_counter_by_name.get(value_name) |
| if value is not None: |
| value /= factor |
| log('{}: {}', title, value) |
| |
| log('Malloc counters:') |
| with LogIndenter(): |
| _PrintMallocCounter('Total time (ms)', 'malloc_time_ns', 1000000) |
| _PrintMallocCounter('Total allocated (KiB)', 'allocated_bytes', 1024) |
| _PrintMallocCounter('Allocations', 'allocation_count', 1) |
| _PrintMallocCounter('Frees', 'free_count', 1) |
| |
| for histogram_name in histogram_names: |
| _PrintHistogramTime(process, histogram_name) |
| |
| if events_regex: |
| event_summaries = SummarizeEvents(events_regex, trace, process) |
| if event_summaries: |
| with LogIndenter('Events matching "{}":', events_regex.pattern): |
| for event_summary in event_summaries: |
| with LogIndenter('{}:', event_summary.event.name): |
| if event_summary.startup_to_event_ms is not None: |
| log('StartupToEvent (ms): {}', |
| event_summary.startup_to_event_ms) |
| if event_summary.navigation_to_event_ms is not None: |
| log('NavigationToEvent (ms): {}', |
| event_summary.navigation_to_event_ms) |
| log('Duration (ms): {}', event_summary.duration_ms) |
| |
| indenter.unindent() |
| log('') |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser() |
| parser.add_argument('file_or_glob') |
| parser.add_argument('--print-none-histograms', |
| help='Print histograms with None values.', |
| default=False, action='store_true') |
| # TODO: introduce a variant that takes a list of event names, as escaping |
| # event names can be tedious. |
| # TODO: match regex against '<index>|<event name>' to allow selecting |
| # events by index (complicated for begin/end pairs). |
| parser.add_argument('--print-events', |
| help='Print events matching the specified regex.') |
| parser.add_argument('--experimental', |
| default=False, action='store_true', |
| help='Enable experimental stuff.') |
| parser.add_argument('--report', |
| default=False, action='store_true', |
| help='Present information as a tab-separated table.') |
| parser.add_argument('--csv', |
| default=False, action='store_true', |
| help=('Separate report values by commas (not tabs).')) |
| |
| options = parser.parse_args() |
| |
| globbed = False |
| if os.path.isfile(options.file_or_glob): |
| trace_file_paths = [options.file_or_glob] |
| else: |
| globbed = True |
| file_pattern = options.file_or_glob |
| trace_file_paths = glob.glob(file_pattern) |
| if not trace_file_paths: |
| file_pattern += '*html' |
| trace_file_paths = glob.glob(file_pattern) |
| if not trace_file_paths: |
| log("'{}' didn't match anything.", file_pattern) |
| return |
| log("'{}' matched {} file(s).", file_pattern, len(trace_file_paths)) |
| log('') |
| |
| if options.report: |
| PrintReport(trace_file_paths, options) |
| else: |
| for file_path in trace_file_paths: |
| if globbed: |
| log('_' * len(file_path)) |
| log(file_path) |
| log('') |
| PrintTrace(file_path, options) |
| |
| |
| if __name__ == '__main__': |
| main() |
