| #!/usr/bin/env vpython |
| # Copyright (c) 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. |
| |
| """ A utility to generate an up-to-date orderfile. |
| |
| The orderfile is used by the linker to order text sections such that the |
| sections are placed consecutively in the order specified. This allows us |
| to page in less code during start-up. |
| |
| Example usage: |
| tools/cygprofile/orderfile_generator_backend.py -l 20 -j 1000 --use-goma \ |
| --target-arch=arm |
| """ |
| |
| import argparse |
| import hashlib |
| import json |
| import glob |
| import logging |
| import os |
| import re |
| import shutil |
| import subprocess |
| import sys |
| import tempfile |
| import time |
| |
| import cluster |
| import cyglog_to_orderfile |
| import cygprofile_utils |
| import patch_orderfile |
| import process_profiles |
| import profile_android_startup |
| import symbol_extractor |
| |
| _SRC_PATH = os.path.join(os.path.dirname(__file__), os.pardir, os.pardir) |
| sys.path.append(os.path.join(_SRC_PATH, 'third_party', 'catapult', 'devil')) |
| from devil.android import device_utils |
| from devil.android.sdk import version_codes |
| |
| |
| _SRC_PATH = os.path.join(os.path.dirname(os.path.realpath(__file__)), |
| os.pardir, os.pardir) |
| sys.path.append(os.path.join(_SRC_PATH, 'build', 'android')) |
| import devil_chromium |
| from pylib import constants |
| |
| |
| # Needs to happen early for GetBuildType()/GetOutDirectory() to work correctly |
| constants.SetBuildType('Release') |
| |
| |
| # Architecture specific GN args. Trying to build an orderfile for an |
| # architecture not listed here will eventually throw. |
| _ARCH_GN_ARGS = { |
| 'arm': [ 'target_cpu = "arm"' ], |
| 'arm64': [ 'target_cpu = "arm64"', |
| 'android_64bit_browser = true'], |
| } |
| |
| class CommandError(Exception): |
| """Indicates that a dispatched shell command exited with a non-zero status.""" |
| |
| def __init__(self, value): |
| super(CommandError, self).__init__() |
| self.value = value |
| |
| def __str__(self): |
| return repr(self.value) |
| |
| |
| def _GenerateHash(file_path): |
| """Calculates and returns the hash of the file at file_path.""" |
| sha1 = hashlib.sha1() |
| with open(file_path, 'rb') as f: |
| while True: |
| # Read in 1mb chunks, so it doesn't all have to be loaded into memory. |
| chunk = f.read(1024 * 1024) |
| if not chunk: |
| break |
| sha1.update(chunk) |
| return sha1.hexdigest() |
| |
| |
| def _GetFileExtension(file_name): |
| """Calculates the file extension from a file name. |
| |
| Args: |
| file_name: The source file name. |
| Returns: |
| The part of file_name after the dot (.) or None if the file has no |
| extension. |
| Examples: /home/user/foo.bar -> bar |
| /home/user.name/foo -> None |
| /home/user/.foo -> None |
| /home/user/foo.bar.baz -> baz |
| """ |
| file_name_parts = os.path.basename(file_name).split('.') |
| if len(file_name_parts) > 1: |
| return file_name_parts[-1] |
| else: |
| return None |
| |
| |
| def _StashOutputDirectory(buildpath): |
| """Takes the output directory and stashes it in the default output directory. |
| |
| This allows it to be used for incremental builds next time (after unstashing) |
| by keeping it in a place that isn't deleted normally, while also ensuring |
| that it is properly clobbered when appropriate. |
| |
| This is a dirty hack to deal with the needs of clobbering while also handling |
| incremental builds and the hardcoded relative paths used in some of the |
| project files. |
| |
| Args: |
| buildpath: The path where the building happens. If this corresponds to the |
| default output directory, no action is taken. |
| """ |
| if os.path.abspath(buildpath) == os.path.abspath(os.path.dirname( |
| constants.GetOutDirectory())): |
| return |
| name = os.path.basename(buildpath) |
| stashpath = os.path.join(constants.GetOutDirectory(), name) |
| if not os.path.exists(buildpath): |
| return |
| if os.path.exists(stashpath): |
| shutil.rmtree(stashpath, ignore_errors=True) |
| shutil.move(buildpath, stashpath) |
| |
| |
| def _UnstashOutputDirectory(buildpath): |
| """Inverse of _StashOutputDirectory. |
| |
| Moves the output directory stashed within the default output directory |
| (out/Release) to the position where the builds can actually happen. |
| |
| This is a dirty hack to deal with the needs of clobbering while also handling |
| incremental builds and the hardcoded relative paths used in some of the |
| project files. |
| |
| Args: |
| buildpath: The path where the building happens. If this corresponds to the |
| default output directory, no action is taken. |
| """ |
| if os.path.abspath(buildpath) == os.path.abspath(os.path.dirname( |
| constants.GetOutDirectory())): |
| return |
| name = os.path.basename(buildpath) |
| stashpath = os.path.join(constants.GetOutDirectory(), name) |
| if not os.path.exists(stashpath): |
| return |
| if os.path.exists(buildpath): |
| shutil.rmtree(buildpath, ignore_errors=True) |
| shutil.move(stashpath, buildpath) |
| |
| |
| class StepRecorder(object): |
| """Records steps and timings.""" |
| |
| def __init__(self, buildbot): |
| self.timings = [] |
| self._previous_step = ('', 0.0) |
| self._buildbot = buildbot |
| self._error_recorded = False |
| |
| def BeginStep(self, name): |
| """Marks a beginning of the next step in the script. |
| |
| On buildbot, this prints a specially formatted name that will show up |
| in the waterfall. Otherwise, just prints the step name. |
| |
| Args: |
| name: The name of the step. |
| """ |
| self.EndStep() |
| self._previous_step = (name, time.time()) |
| print 'Running step: ', name |
| |
| def EndStep(self): |
| """Records successful completion of the current step. |
| |
| This is optional if the step is immediately followed by another BeginStep. |
| """ |
| if self._previous_step[0]: |
| elapsed = time.time() - self._previous_step[1] |
| print 'Step %s took %f seconds' % (self._previous_step[0], elapsed) |
| self.timings.append((self._previous_step[0], elapsed)) |
| |
| self._previous_step = ('', 0.0) |
| |
| def FailStep(self, message=None): |
| """Marks that a particular step has failed. |
| |
| On buildbot, this will mark the current step as failed on the waterfall. |
| Otherwise we will just print an optional failure message. |
| |
| Args: |
| message: An optional explanation as to why the step failed. |
| """ |
| print 'STEP FAILED!!' |
| if message: |
| print message |
| self._error_recorded = True |
| self.EndStep() |
| |
| def ErrorRecorded(self): |
| """True if FailStep has been called.""" |
| return self._error_recorded |
| |
| def RunCommand(self, cmd, cwd=constants.DIR_SOURCE_ROOT, raise_on_error=True, |
| stdout=None): |
| """Execute a shell command. |
| |
| Args: |
| cmd: A list of command strings. |
| cwd: Directory in which the command should be executed, defaults to build |
| root of script's location if not specified. |
| raise_on_error: If true will raise a CommandError if the call doesn't |
| succeed and mark the step as failed. |
| stdout: A file to redirect stdout for the command to. |
| |
| Returns: |
| The process's return code. |
| |
| Raises: |
| CommandError: An error executing the specified command. |
| """ |
| print 'Executing %s in %s' % (' '.join(cmd), cwd) |
| process = subprocess.Popen(cmd, stdout=stdout, cwd=cwd, env=os.environ) |
| process.wait() |
| if raise_on_error and process.returncode != 0: |
| self.FailStep() |
| raise CommandError('Exception executing command %s' % ' '.join(cmd)) |
| return process.returncode |
| |
| |
| class ClankCompiler(object): |
| """Handles compilation of clank.""" |
| |
| def __init__(self, out_dir, step_recorder, arch, jobs, max_load, use_goma, |
| goma_dir, system_health_profiling, monochrome, public, |
| orderfile_location): |
| self._out_dir = out_dir |
| self._step_recorder = step_recorder |
| self._arch = arch |
| self._jobs = jobs |
| self._max_load = max_load |
| self._use_goma = use_goma |
| self._goma_dir = goma_dir |
| self._system_health_profiling = system_health_profiling |
| self._public = public |
| self._orderfile_location = orderfile_location |
| if monochrome: |
| self._apk = 'Monochrome.apk' |
| self._apk_target = 'monochrome_apk' |
| self._libname = 'libmonochrome' |
| self._libchrome_target = 'monochrome' |
| else: |
| self._apk = 'Chrome.apk' |
| self._apk_target = 'chrome_apk' |
| self._libname = 'libchrome' |
| self._libchrome_target = 'libchrome' |
| if public: |
| self._apk = self._apk.replace('.apk', 'Public.apk') |
| self._apk_target = self._apk_target.replace('_apk', '_public_apk') |
| |
| self.obj_dir = os.path.join(self._out_dir, 'Release', 'obj') |
| self.lib_chrome_so = os.path.join( |
| self._out_dir, 'Release', 'lib.unstripped', |
| '{}.so'.format(self._libname)) |
| self.chrome_apk = os.path.join(self._out_dir, 'Release', 'apks', self._apk) |
| |
| def Build(self, instrumented, target): |
| """Builds the provided ninja target with or without order_profiling on. |
| |
| Args: |
| instrumented: (bool) Whether we want to build an instrumented binary. |
| target: (str) The name of the ninja target to build. |
| """ |
| self._step_recorder.BeginStep('Compile %s' % target) |
| |
| # Set the "Release Official" flavor, the parts affecting performance. |
| args = [ |
| 'enable_resource_whitelist_generation=false', |
| 'is_chrome_branded=' + str(not self._public).lower(), |
| 'is_debug=false', |
| 'is_official_build=true', |
| 'target_os="android"', |
| 'use_goma=' + str(self._use_goma).lower(), |
| 'use_order_profiling=' + str(instrumented).lower(), |
| ] |
| args += _ARCH_GN_ARGS[self._arch] |
| if self._goma_dir: |
| args += ['goma_dir="%s"' % self._goma_dir] |
| if self._system_health_profiling: |
| args += ['devtools_instrumentation_dumping = ' + |
| str(instrumented).lower()] |
| |
| if self._public and os.path.exists(self._orderfile_location): |
| # GN needs the orderfile path to be source-absolute. |
| src_abs_orderfile = os.path.relpath(self._orderfile_location, |
| constants.DIR_SOURCE_ROOT) |
| args += ['chrome_orderfile="//{}"'.format(src_abs_orderfile)] |
| |
| self._step_recorder.RunCommand( |
| ['gn', 'gen', os.path.join(self._out_dir, 'Release'), |
| '--args=' + ' '.join(args)]) |
| |
| self._step_recorder.RunCommand( |
| ['ninja', '-C', os.path.join(self._out_dir, 'Release'), |
| '-j' + str(self._jobs), '-l' + str(self._max_load), target]) |
| |
| def CompileChromeApk(self, instrumented, force_relink=False): |
| """Builds a Chrome.apk either with or without order_profiling on. |
| |
| Args: |
| instrumented: (bool) Whether to build an instrumented apk. |
| force_relink: Whether libchromeview.so should be re-created. |
| """ |
| if force_relink: |
| self._step_recorder.RunCommand(['rm', '-rf', self.lib_chrome_so]) |
| self.Build(instrumented, self._apk_target) |
| |
| def CompileLibchrome(self, instrumented, force_relink=False): |
| """Builds a libchrome.so either with or without order_profiling on. |
| |
| Args: |
| instrumented: (bool) Whether to build an instrumented apk. |
| force_relink: (bool) Whether libchrome.so should be re-created. |
| """ |
| if force_relink: |
| self._step_recorder.RunCommand(['rm', '-rf', self.lib_chrome_so]) |
| self.Build(instrumented, self._libchrome_target) |
| |
| |
| class OrderfileUpdater(object): |
| """Handles uploading and committing a new orderfile in the repository. |
| |
| Only used for testing or on a bot. |
| """ |
| |
| _CLOUD_STORAGE_BUCKET_FOR_DEBUG = None |
| _CLOUD_STORAGE_BUCKET = None |
| _UPLOAD_TO_CLOUD_COMMAND = 'upload_to_google_storage.py' |
| |
| def __init__(self, repository_root, step_recorder, branch, netrc): |
| """Constructor. |
| |
| Args: |
| repository_root: (str) Root of the target repository. |
| step_recorder: (StepRecorder) Step recorder, for logging. |
| branch: (str) Branch to commit to. |
| netrc: (str) Path to the .netrc file to use. |
| """ |
| self._repository_root = repository_root |
| self._step_recorder = step_recorder |
| self._branch = branch |
| self._netrc = netrc |
| |
| def CommitStashedFileHashes(self, files): |
| """Commits unpatched and patched orderfiles hashes if changed. |
| |
| The files are committed only if their associated sha1 hash files match, and |
| are modified in git. In normal operations the hash files are changed only |
| when a file is uploaded to cloud storage. If the hash file is not modified |
| in git, the file is skipped. |
| |
| Args: |
| files: [str or None] specifies file paths. None items are ignored. |
| |
| Raises: |
| Exception if the hash file does not match the file. |
| NotImplementedError when the commit logic hasn't been overridden. |
| """ |
| files_to_commit = list(filter(None, files)) |
| if files_to_commit: |
| self._CommitStashedFiles(files_to_commit) |
| |
| def LegacyCommitFileHashes(self, |
| unpatched_orderfile_filename, |
| orderfile_filename): |
| """Commits unpatched and patched orderfiles hashes, if provided. |
| |
| DEPRECATED. Left in place during transition. |
| |
| Files must have been successfilly uploaded to cloud storage first. |
| |
| Args: |
| unpatched_orderfile_filename: (str or None) Unpatched orderfile path. |
| orderfile_filename: (str or None) Orderfile path. |
| |
| Raises: |
| NotImplementedError when the commit logic hasn't been overridden. |
| """ |
| files_to_commit = [] |
| commit_message_lines = ['Update Orderfile.'] |
| for filename in [unpatched_orderfile_filename, orderfile_filename]: |
| if not filename: |
| continue |
| (relative_path, sha1) = self._GetHashFilePathAndContents(filename) |
| commit_message_lines.append('Profile: %s: %s' % ( |
| os.path.basename(relative_path), sha1)) |
| files_to_commit.append(relative_path) |
| if files_to_commit: |
| self._CommitFiles(files_to_commit, commit_message_lines) |
| |
| def UploadToCloudStorage(self, filename, use_debug_location): |
| """Uploads a file to cloud storage. |
| |
| Args: |
| filename: (str) File to upload. |
| use_debug_location: (bool) Whether to use the debug location. |
| """ |
| bucket = (self._CLOUD_STORAGE_BUCKET_FOR_DEBUG if use_debug_location |
| else self._CLOUD_STORAGE_BUCKET) |
| extension = _GetFileExtension(filename) |
| cmd = [self._UPLOAD_TO_CLOUD_COMMAND, '--bucket', bucket] |
| if extension: |
| cmd.extend(['-z', extension]) |
| cmd.append(filename) |
| self._step_recorder.RunCommand(cmd) |
| print 'Download: https://sandbox.google.com/storage/%s/%s' % ( |
| bucket, _GenerateHash(filename)) |
| |
| def _GetHashFilePathAndContents(self, filename): |
| """Gets the name and content of the hash file created from uploading the |
| given file. |
| |
| Args: |
| filename: (str) The file that was uploaded to cloud storage. |
| |
| Returns: |
| A tuple of the hash file name, relative to the reository root, and the |
| content, which should be the sha1 hash of the file |
| ('base_file.sha1', hash) |
| """ |
| abs_hash_filename = filename + '.sha1' |
| rel_hash_filename = os.path.relpath( |
| abs_hash_filename, self._repository_root) |
| with open(abs_hash_filename, 'r') as f: |
| return (rel_hash_filename, f.read()) |
| |
| def _CommitFiles(self, files_to_commit, commit_message_lines): |
| """Commits a list of files, with a given message.""" |
| raise NotImplementedError |
| |
| def _GitStash(self): |
| """Git stash the current clank tree. |
| |
| Raises: |
| NotImplementedError when the stash logic hasn't been overridden. |
| """ |
| raise NotImplementedError |
| |
| def _CommitStashedFiles(self, expected_files_in_stash): |
| """Commits stashed files. |
| |
| The local repository is updated and then the files to commit are taken from |
| modified files from the git stash. The modified files should be a subset of |
| |expected_files_in_stash|. If there are unexpected modified files, this |
| function may raise. This is meant to be paired with _GitStash(). |
| |
| Args: |
| expected_files_in_stash: [str] paths to a possible superset of files |
| expected to be stashed & committed. |
| |
| Raises: |
| NotImplementedError when the commit logic hasn't been overridden. |
| """ |
| raise NotImplementedError |
| |
| |
| class OrderfileNoopUpdater(OrderfileUpdater): |
| def CommitFileHashes(self, unpatched_orderfile_filename, orderfile_filename): |
| # pylint: disable=unused-argument |
| return |
| |
| def UploadToCloudStorage(self, filename, use_debug_location): |
| # pylint: disable=unused-argument |
| return |
| |
| def _CommitFiles(self, files_to_commit, commit_message_lines): |
| raise NotImplementedError |
| |
| |
| class OrderfileGenerator(object): |
| """A utility for generating a new orderfile for Clank. |
| |
| Builds an instrumented binary, profiles a run of the application, and |
| generates an updated orderfile. |
| """ |
| _CHECK_ORDERFILE_SCRIPT = os.path.join( |
| constants.DIR_SOURCE_ROOT, 'tools', 'cygprofile', 'check_orderfile.py') |
| _BUILD_ROOT = os.path.abspath(os.path.dirname(os.path.dirname( |
| constants.GetOutDirectory()))) # Normally /path/to/src |
| |
| # Previous orderfile_generator debug files would be overwritten. |
| _DIRECTORY_FOR_DEBUG_FILES = '/tmp/orderfile_generator_debug_files' |
| |
| def _PrepareOrderfilePaths(self): |
| if self._options.public: |
| self._clank_dir = os.path.join(constants.DIR_SOURCE_ROOT, |
| '') |
| if not os.path.exists(os.path.join(self._clank_dir, 'orderfiles')): |
| os.makedirs(os.path.join(self._clank_dir, 'orderfiles')) |
| else: |
| self._clank_dir = os.path.join(constants.DIR_SOURCE_ROOT, |
| 'clank') |
| |
| self._unpatched_orderfile_filename = os.path.join( |
| self._clank_dir, 'orderfiles', 'unpatched_orderfile.%s') |
| self._path_to_orderfile = os.path.join( |
| self._clank_dir, 'orderfiles', 'orderfile.%s.out') |
| |
| def _GetPathToOrderfile(self): |
| """Gets the path to the architecture-specific orderfile.""" |
| return self._path_to_orderfile % self._options.arch |
| |
| def _GetUnpatchedOrderfileFilename(self): |
| """Gets the path to the architecture-specific unpatched orderfile.""" |
| return self._unpatched_orderfile_filename % self._options.arch |
| |
| def _SetDevice(self): |
| """ Selects the device to be used by the script. |
| |
| Returns: |
| (Device with given serial ID) : if the --device flag is set. |
| (Device running Android[K,L]) : if --use-legacy-chrome-apk flag is set or |
| no device running Android N+ was found. |
| (Device running Android N+) : Otherwise. |
| |
| Raises Error: |
| If no device meeting the requirements has been found. |
| """ |
| devices = None |
| if self._options.device: |
| devices = [device_utils.DeviceUtils(self._options.device)] |
| else: |
| devices = device_utils.DeviceUtils.HealthyDevices() |
| |
| assert devices, 'Expected at least one connected device' |
| |
| if self._options.use_legacy_chrome_apk: |
| self._monochrome = False |
| for device in devices: |
| device_version = device.build_version_sdk |
| if (device_version >= version_codes.KITKAT |
| and device_version <= version_codes.LOLLIPOP_MR1): |
| return device |
| |
| assert not self._options.use_legacy_chrome_apk, \ |
| 'No device found running suitable android version for Chrome.apk.' |
| |
| preferred_device = None |
| for device in devices: |
| if device.build_version_sdk >= version_codes.NOUGAT: |
| preferred_device = device |
| break |
| |
| self._monochrome = preferred_device is not None |
| |
| return preferred_device if preferred_device else devices[0] |
| |
| |
| def __init__(self, options, orderfile_updater_class): |
| self._options = options |
| |
| self._instrumented_out_dir = os.path.join( |
| self._BUILD_ROOT, self._options.arch + '_instrumented_out') |
| self._uninstrumented_out_dir = os.path.join( |
| self._BUILD_ROOT, self._options.arch + '_uninstrumented_out') |
| |
| self._PrepareOrderfilePaths() |
| |
| if options.profile: |
| output_directory = os.path.join(self._instrumented_out_dir, 'Release') |
| host_profile_dir = os.path.join(output_directory, 'profile_data') |
| urls = [profile_android_startup.AndroidProfileTool.TEST_URL] |
| use_wpr = True |
| simulate_user = False |
| urls = options.urls |
| use_wpr = not options.no_wpr |
| simulate_user = options.simulate_user |
| device = self._SetDevice() |
| self._profiler = profile_android_startup.AndroidProfileTool( |
| output_directory, host_profile_dir, use_wpr, urls, simulate_user, |
| device, debug=self._options.streamline_for_debugging) |
| if options.pregenerated_profiles: |
| self._profiler.SetPregeneratedProfiles( |
| glob.glob(options.pregenerated_profiles)) |
| else: |
| assert not options.pregenerated_profiles, ( |
| '--pregenerated-profiles cannot be used with --skip-profile') |
| assert not options.profile_save_dir, ( |
| '--profile-save-dir cannot be used with --skip-profile') |
| self._monochrome = not self._options.use_legacy_chrome_apk |
| |
| # Outlined function handling enabled by default for all architectures. |
| self._order_outlined_functions = not options.noorder_outlined_functions |
| |
| self._output_data = {} |
| self._step_recorder = StepRecorder(options.buildbot) |
| self._compiler = None |
| if orderfile_updater_class is None: |
| if options.public: |
| orderfile_updater_class = OrderfileNoopUpdater |
| else: |
| orderfile_updater_class = OrderfileUpdater |
| assert issubclass(orderfile_updater_class, OrderfileUpdater) |
| self._orderfile_updater = orderfile_updater_class(self._clank_dir, |
| self._step_recorder, |
| options.branch, |
| options.netrc) |
| assert os.path.isdir(constants.DIR_SOURCE_ROOT), 'No src directory found' |
| symbol_extractor.SetArchitecture(options.arch) |
| |
| @staticmethod |
| def _RemoveBlanks(src_file, dest_file): |
| """A utility to remove blank lines from a file. |
| |
| Args: |
| src_file: The name of the file to remove the blanks from. |
| dest_file: The name of the file to write the output without blanks. |
| """ |
| assert src_file != dest_file, 'Source and destination need to be distinct' |
| |
| try: |
| src = open(src_file, 'r') |
| dest = open(dest_file, 'w') |
| for line in src: |
| if line and not line.isspace(): |
| dest.write(line) |
| finally: |
| src.close() |
| dest.close() |
| |
| def _GenerateAndProcessProfile(self): |
| """Invokes a script to merge the per-thread traces into one file. |
| |
| The produced list of offsets is saved in |
| self._GetUnpatchedOrderfileFilename(). |
| """ |
| self._step_recorder.BeginStep('Generate Profile Data') |
| files = [] |
| logging.getLogger().setLevel(logging.DEBUG) |
| if self._options.system_health_orderfile: |
| files = self._profiler.CollectSystemHealthProfile( |
| self._compiler.chrome_apk) |
| self._MaybeSaveProfile(files) |
| try: |
| self._ProcessPhasedOrderfile(files) |
| except Exception: |
| for f in files: |
| self._SaveForDebugging(f) |
| self._SaveForDebugging(self._compiler.lib_chrome_so) |
| raise |
| finally: |
| self._profiler.Cleanup() |
| else: |
| self._CollectLegacyProfile() |
| logging.getLogger().setLevel(logging.INFO) |
| |
| def _ProcessPhasedOrderfile(self, files): |
| """Process the phased orderfiles produced by system health benchmarks. |
| |
| The offsets will be placed in _GetUnpatchedOrderfileFilename(). |
| |
| Args: |
| file: Profile files pulled locally. |
| """ |
| self._step_recorder.BeginStep('Process Phased Orderfile') |
| profiles = process_profiles.ProfileManager(files) |
| processor = process_profiles.SymbolOffsetProcessor( |
| self._compiler.lib_chrome_so) |
| ordered_symbols = cluster.ClusterOffsets(profiles, processor) |
| if not ordered_symbols: |
| raise Exception('Failed to get ordered symbols') |
| for sym in ordered_symbols: |
| assert not sym.startswith('OUTLINED_FUNCTION_'), ( |
| 'Outlined function found in instrumented function, very likely ' |
| 'something has gone very wrong!') |
| self._output_data['offsets_kib'] = processor.SymbolsSize( |
| ordered_symbols) / 1024 |
| with open(self._GetUnpatchedOrderfileFilename(), 'w') as orderfile: |
| orderfile.write('\n'.join(ordered_symbols)) |
| |
| def _CollectLegacyProfile(self): |
| files = [] |
| try: |
| files = self._profiler.CollectProfile( |
| self._compiler.chrome_apk, |
| constants.PACKAGE_INFO['chrome']) |
| self._MaybeSaveProfile(files) |
| self._step_recorder.BeginStep('Process profile') |
| assert os.path.exists(self._compiler.lib_chrome_so) |
| offsets = process_profiles.GetReachedOffsetsFromDumpFiles( |
| files, self._compiler.lib_chrome_so) |
| if not offsets: |
| raise Exception('No profiler offsets found in {}'.format( |
| '\n'.join(files))) |
| processor = process_profiles.SymbolOffsetProcessor( |
| self._compiler.lib_chrome_so) |
| ordered_symbols = processor.GetOrderedSymbols(offsets) |
| if not ordered_symbols: |
| raise Exception('No symbol names from offsets found in {}'.format( |
| '\n'.join(files))) |
| with open(self._GetUnpatchedOrderfileFilename(), 'w') as orderfile: |
| orderfile.write('\n'.join(ordered_symbols)) |
| except Exception: |
| for f in files: |
| self._SaveForDebugging(f) |
| raise |
| finally: |
| self._profiler.Cleanup() |
| |
| def _MaybeSaveProfile(self, files): |
| if self._options.profile_save_dir: |
| logging.info('Saving profiles to %s', self._options.profile_save_dir) |
| for f in files: |
| shutil.copy(f, self._options.profile_save_dir) |
| logging.info('Saved profile %s', f) |
| |
| def _PatchOrderfile(self): |
| """Patches the orderfile using clean version of libchrome.so.""" |
| self._step_recorder.BeginStep('Patch Orderfile') |
| patch_orderfile.GeneratePatchedOrderfile( |
| self._GetUnpatchedOrderfileFilename(), self._compiler.lib_chrome_so, |
| self._GetPathToOrderfile(), self._order_outlined_functions) |
| |
| def _VerifySymbolOrder(self): |
| self._step_recorder.BeginStep('Verify Symbol Order') |
| return_code = self._step_recorder.RunCommand( |
| [self._CHECK_ORDERFILE_SCRIPT, self._compiler.lib_chrome_so, |
| self._GetPathToOrderfile(), |
| '--target-arch=' + self._options.arch], |
| constants.DIR_SOURCE_ROOT, |
| raise_on_error=False) |
| if return_code: |
| self._step_recorder.FailStep('Orderfile check returned %d.' % return_code) |
| |
| def _RecordHash(self, file_name): |
| """Records the hash of the file into the output_data dictionary.""" |
| self._output_data[os.path.basename(file_name) + '.sha1'] = _GenerateHash( |
| file_name) |
| |
| def _SaveFileLocally(self, file_name, file_sha1): |
| """Saves the file to a temporary location and prints the sha1sum.""" |
| if not os.path.exists(self._DIRECTORY_FOR_DEBUG_FILES): |
| os.makedirs(self._DIRECTORY_FOR_DEBUG_FILES) |
| shutil.copy(file_name, self._DIRECTORY_FOR_DEBUG_FILES) |
| print 'File: %s, saved in: %s, sha1sum: %s' % ( |
| file_name, self._DIRECTORY_FOR_DEBUG_FILES, file_sha1) |
| |
| def _SaveForDebugging(self, filename): |
| """Uploads the file to cloud storage or saves to a temporary location.""" |
| file_sha1 = _GenerateHash(filename) |
| if not self._options.buildbot: |
| self._SaveFileLocally(filename, file_sha1) |
| else: |
| print 'Uploading file for debugging: ' + filename |
| self._orderfile_updater.UploadToCloudStorage( |
| filename, use_debug_location=True) |
| |
| def _SaveForDebuggingWithOverwrite(self, file_name): |
| """Uploads and overwrites the file in cloud storage or copies locally. |
| |
| Should be used for large binaries like lib_chrome_so. |
| |
| Args: |
| file_name: (str) File to upload. |
| """ |
| file_sha1 = _GenerateHash(file_name) |
| if not self._options.buildbot: |
| self._SaveFileLocally(file_name, file_sha1) |
| else: |
| print 'Uploading file for debugging: %s, sha1sum: %s' % ( |
| file_name, file_sha1) |
| upload_location = '%s/%s' % ( |
| self._CLOUD_STORAGE_BUCKET_FOR_DEBUG, os.path.basename(file_name)) |
| self._step_recorder.RunCommand([ |
| 'gsutil.py', 'cp', file_name, 'gs://' + upload_location]) |
| print ('Uploaded to: https://sandbox.google.com/storage/' + |
| upload_location) |
| |
| def _MaybeArchiveOrderfile(self, filename): |
| """In buildbot configuration, uploads the generated orderfile to |
| Google Cloud Storage. |
| |
| Args: |
| filename: (str) Orderfile to upload. |
| """ |
| # First compute hashes so that we can download them later if we need to. |
| self._step_recorder.BeginStep('Compute hash for ' + filename) |
| self._RecordHash(filename) |
| if self._options.buildbot: |
| self._step_recorder.BeginStep('Archive ' + filename) |
| self._orderfile_updater.UploadToCloudStorage( |
| filename, use_debug_location=False) |
| |
| def UploadReadyOrderfiles(self): |
| self._step_recorder.BeginStep('Upload Ready Orderfiles') |
| for file_name in [self._GetUnpatchedOrderfileFilename(), |
| self._GetPathToOrderfile()]: |
| self._orderfile_updater.UploadToCloudStorage( |
| file_name, use_debug_location=False) |
| |
| def Generate(self): |
| """Generates and maybe upload an order.""" |
| profile_uploaded = False |
| orderfile_uploaded = False |
| |
| assert (bool(self._options.profile) ^ |
| bool(self._options.manual_symbol_offsets)) |
| if self._options.system_health_orderfile and not self._options.profile: |
| raise AssertionError('--system_health_orderfile must be not be used ' |
| 'with --skip-profile') |
| if (self._options.manual_symbol_offsets and |
| not self._options.system_health_orderfile): |
| raise AssertionError('--manual-symbol-offsets must be used with ' |
| '--system_health_orderfile.') |
| |
| if self._options.profile: |
| try: |
| _UnstashOutputDirectory(self._instrumented_out_dir) |
| self._compiler = ClankCompiler( |
| self._instrumented_out_dir, |
| self._step_recorder, self._options.arch, self._options.jobs, |
| self._options.max_load, self._options.use_goma, |
| self._options.goma_dir, self._options.system_health_orderfile, |
| self._monochrome, self._options.public, |
| self._GetPathToOrderfile()) |
| if not self._options.pregenerated_profiles: |
| # If there are pregenerated profiles, the instrumented build should |
| # not be changed to avoid invalidating the pregenerated profile |
| # offsets. |
| self._compiler.CompileChromeApk(True) |
| self._GenerateAndProcessProfile() |
| self._MaybeArchiveOrderfile(self._GetUnpatchedOrderfileFilename()) |
| profile_uploaded = True |
| finally: |
| _StashOutputDirectory(self._instrumented_out_dir) |
| elif self._options.manual_symbol_offsets: |
| assert self._options.manual_libname |
| assert self._options.manual_objdir |
| with file(self._options.manual_symbol_offsets) as f: |
| symbol_offsets = [int(x) for x in f.xreadlines()] |
| processor = process_profiles.SymbolOffsetProcessor( |
| self._compiler.manual_libname) |
| generator = cyglog_to_orderfile.OffsetOrderfileGenerator( |
| processor, cyglog_to_orderfile.ObjectFileProcessor( |
| self._options.manual_objdir)) |
| ordered_sections = generator.GetOrderedSections(symbol_offsets) |
| if not ordered_sections: # Either None or empty is a problem. |
| raise Exception('Failed to get ordered sections') |
| with open(self._GetUnpatchedOrderfileFilename(), 'w') as orderfile: |
| orderfile.write('\n'.join(ordered_sections)) |
| |
| if self._options.patch: |
| if self._options.profile: |
| self._RemoveBlanks(self._GetUnpatchedOrderfileFilename(), |
| self._GetPathToOrderfile()) |
| try: |
| _UnstashOutputDirectory(self._uninstrumented_out_dir) |
| self._compiler = ClankCompiler( |
| self._uninstrumented_out_dir, self._step_recorder, |
| self._options.arch, self._options.jobs, self._options.max_load, |
| self._options.use_goma, self._options.goma_dir, |
| self._options.system_health_orderfile, self._monochrome, |
| self._options.public, self._GetPathToOrderfile()) |
| |
| self._compiler.CompileLibchrome(False) |
| self._PatchOrderfile() |
| # Because identical code folding is a bit different with and without |
| # the orderfile build, we need to re-patch the orderfile with code |
| # folding as close to the final version as possible. |
| self._compiler.CompileLibchrome(False, force_relink=True) |
| self._PatchOrderfile() |
| self._compiler.CompileLibchrome(False, force_relink=True) |
| self._VerifySymbolOrder() |
| self._MaybeArchiveOrderfile(self._GetPathToOrderfile()) |
| finally: |
| _StashOutputDirectory(self._uninstrumented_out_dir) |
| orderfile_uploaded = True |
| |
| if self._options.new_commit_flow: |
| self._orderfile_updater._GitStash() |
| else: |
| if (self._options.buildbot and self._options.netrc |
| and not self._step_recorder.ErrorRecorded()): |
| unpatched_orderfile_filename = ( |
| self._GetUnpatchedOrderfileFilename() if profile_uploaded else None) |
| orderfile_filename = ( |
| self._GetPathToOrderfile() if orderfile_uploaded else None) |
| self._orderfile_updater.LegacyCommitFileHashes( |
| unpatched_orderfile_filename, orderfile_filename) |
| self._step_recorder.EndStep() |
| return not self._step_recorder.ErrorRecorded() |
| |
| def GetReportingData(self): |
| """Get a dictionary of reporting data (timings, output hashes)""" |
| self._output_data['timings'] = self._step_recorder.timings |
| return self._output_data |
| |
| def CommitStashedOrderfileHashes(self): |
| """Commit any orderfile hash files in the current checkout. |
| |
| Only possible if running on the buildbot. |
| |
| Returns: true on success. |
| """ |
| if not (self._options.buildbot and self._options.netrc): |
| logging.error('Trying to commit when not running on the buildbot') |
| return False |
| self._orderfile_updater._CommitStashedFiles([ |
| filename + '.sha1' |
| for filename in (self._GetUnpatchedOrderfileFilename(), |
| self._GetPathToOrderfile())]) |
| return True |
| |
| |
| def CreateArgumentParser(): |
| """Creates and returns the argument parser.""" |
| parser = argparse.ArgumentParser() |
| parser.add_argument( |
| '--buildbot', action='store_true', |
| help='If true, the script expects to be run on a buildbot') |
| parser.add_argument( |
| '--device', default=None, type=str, |
| help='Device serial number on which to run profiling.') |
| parser.add_argument( |
| '--verify', action='store_true', |
| help='If true, the script only verifies the current orderfile') |
| parser.add_argument('--target-arch', action='store', dest='arch', |
| default='arm', |
| choices=['arm', 'arm64'], |
| help='The target architecture for which to build.') |
| parser.add_argument('--output-json', action='store', dest='json_file', |
| help='Location to save stats in json format') |
| parser.add_argument( |
| '--skip-profile', action='store_false', dest='profile', default=True, |
| help='Don\'t generate a profile on the device. Only patch from the ' |
| 'existing profile.') |
| parser.add_argument( |
| '--skip-patch', action='store_false', dest='patch', default=True, |
| help='Only generate the raw (unpatched) orderfile, don\'t patch it.') |
| parser.add_argument( |
| '--netrc', action='store', |
| help='A custom .netrc file to use for git checkin. Only used on bots.') |
| parser.add_argument( |
| '--branch', action='store', default='master', |
| help='When running on buildbot with a netrc, the branch orderfile ' |
| 'hashes get checked into.') |
| # Note: -j50 was causing issues on the bot. |
| parser.add_argument( |
| '-j', '--jobs', action='store', default=20, |
| help='Number of jobs to use for compilation.') |
| parser.add_argument( |
| '-l', '--max-load', action='store', default=4, help='Max cpu load.') |
| parser.add_argument('--goma-dir', help='GOMA directory.') |
| parser.add_argument( |
| '--use-goma', action='store_true', help='Enable GOMA.', default=False) |
| parser.add_argument('--adb-path', help='Path to the adb binary.') |
| |
| parser.add_argument('--public', action='store_true', |
| help='Required if your checkout is non-internal.', |
| default=False) |
| parser.add_argument('--nosystem-health-orderfile', action='store_false', |
| dest='system_health_orderfile', default=True, |
| help=('Create an orderfile based on an about:blank ' |
| 'startup benchmark instead of system health ' |
| 'benchmarks.')) |
| parser.add_argument( |
| '--use-legacy-chrome-apk', action='store_true', default=False, |
| help=('Compile and instrument chrome for [L, K] devices.')) |
| |
| parser.add_argument('--manual-symbol-offsets', default=None, type=str, |
| help=('File of list of ordered symbol offsets generated ' |
| 'by manual profiling. Must set other --manual* ' |
| 'flags if this is used, and must --skip-profile.')) |
| parser.add_argument('--manual-libname', default=None, type=str, |
| help=('Library filename corresponding to ' |
| '--manual-symbol-offsets.')) |
| parser.add_argument('--manual-objdir', default=None, type=str, |
| help=('Root of object file directory corresponding to ' |
| '--manual-symbol-offsets.')) |
| parser.add_argument('--noorder-outlined-functions', action='store_true', |
| help='Disable outlined functions in the orderfile.') |
| parser.add_argument('--pregenerated-profiles', default=None, type=str, |
| help=('Pregenerated profiles to use instead of running ' |
| 'profile step. Cannot be used with ' |
| '--skip-profiles.')) |
| parser.add_argument('--profile-save-dir', default=None, type=str, |
| help=('Directory to save any profiles created. These can ' |
| 'be used with --pregenerated-profiles. Cannot be ' |
| 'used with --skip-profiles.')) |
| parser.add_argument('--upload-ready-orderfiles', action='store_true', |
| help=('Skip orderfile generation and manually upload ' |
| 'orderfiles (both patched and unpatched) from ' |
| 'their normal location in the tree to the cloud ' |
| 'storage. DANGEROUS! USE WITH CARE!')) |
| parser.add_argument('--streamline-for-debugging', action='store_true', |
| help=('Streamline where possible the run for faster ' |
| 'iteration while debugging. The orderfile ' |
| 'generated will be valid and nontrivial, but ' |
| 'may not be based on a representative profile ' |
| 'or other such considerations. Use with caution.')) |
| parser.add_argument('--commit-hashes', action='store_true', |
| help=('Commit any orderfile hash files in the current ' |
| 'checkout; performs no other action')) |
| parser.add_argument('--new-commit-flow', action='store_true', |
| help='Use the new two-step commit flow.') |
| |
| profile_android_startup.AddProfileCollectionArguments(parser) |
| return parser |
| |
| |
| def CreateOrderfile(options, orderfile_updater_class=None): |
| """Creates an oderfile. |
| |
| Args: |
| options: As returned from optparse.OptionParser.parse_args() |
| orderfile_updater_class: (OrderfileUpdater) subclass of OrderfileUpdater. |
| Use to explicitly set an OrderfileUpdater class, |
| the defaults are OrderfileUpdater, or |
| OrderfileNoopUpdater if --public is set. |
| |
| Returns: |
| True iff success. |
| """ |
| logging.basicConfig(level=logging.INFO) |
| devil_chromium.Initialize(adb_path=options.adb_path) |
| |
| generator = OrderfileGenerator(options, orderfile_updater_class) |
| try: |
| if options.verify: |
| generator._VerifySymbolOrder() |
| elif options.commit_hashes: |
| if not options.new_commit_flow: |
| raise Exception('--commit-hashes requries --new-commit-flow') |
| return generator.CommitStashedOrderfileHashes() |
| elif options.upload_ready_orderfiles: |
| return generator.UploadReadyOrderfiles() |
| else: |
| return generator.Generate() |
| finally: |
| json_output = json.dumps(generator.GetReportingData(), |
| indent=2) + '\n' |
| if options.json_file: |
| with open(options.json_file, 'w') as f: |
| f.write(json_output) |
| print json_output |
| return False |
| |
| |
| def main(): |
| parser = CreateArgumentParser() |
| options = parser.parse_args() |
| return 0 if CreateOrderfile(options) else 1 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |
