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# Copyright (c) 2012 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import logging
from webkitpy.tool.bot.expectedfailures import ExpectedFailures
from webkitpy.tool.bot.irc_command import IRCCommand
from webkitpy.tool.bot.irc_command import Help
from webkitpy.tool.bot.irc_command import Hi
from webkitpy.tool.bot.irc_command import Restart
from webkitpy.tool.bot.ircbot import IRCBot
from webkitpy.tool.bot.patchanalysistask import PatchAnalysisTask, PatchAnalysisTaskDelegate, UnableToApplyPatch
from webkitpy.tool.bot.sheriff import Sheriff
from webkitpy.tool.commands.queues import AbstractQueue
from webkitpy.tool.commands.stepsequence import StepSequenceErrorHandler
_log = logging.getLogger(__name__)
class PerfalizerTask(PatchAnalysisTask):
def __init__(self, tool, patch, logger):
PatchAnalysisTask.__init__(self, self, patch)
self._port = tool.port_factory.get()
self._tool = tool
self._logger = logger
def _copy_build_product_without_patch(self):
filesystem = self._tool.filesystem
configuration = filesystem.basename(self._port._build_path())
self._build_directory = filesystem.dirname(self._port._build_path())
self._build_directory_without_patch = self._build_directory + 'WithoutPatch'
try:
filesystem.rmtree(self._build_directory_without_patch)
filesystem.copytree(filesystem.join(self._build_directory, configuration),
filesystem.join(self._build_directory_without_patch, configuration))
return True
except:
return False
def run(self):
if not self._patch.committer() and not self._patch.attacher().can_commit:
self._logger('The patch %d is not authorized by a commmitter' % self._patch.id())
return False
self._logger('Preparing to run performance tests for the attachment %d...' % self._patch.id())
if not self._clean() or not self._update():
return False
head_revision = self._tool.scm().head_svn_revision()
self._logger('Building WebKit at r%s without the patch' % head_revision)
if not self._build_without_patch():
return False
if not self._port.check_build(needs_http=False):
self._logger('Failed to build DumpRenderTree.')
return False
if not self._copy_build_product_without_patch():
self._logger('Failed to copy the build product from %s to %s' % (self._build_directory, self._build_directory_without_patch))
return False
self._logger('Building WebKit at r%s with the patch' % head_revision)
if not self._apply() or not self._build():
return False
if not self._port.check_build(needs_http=False):
self._logger('Failed to build DumpRenderTree.')
return False
filesystem = self._tool.filesystem
if filesystem.exists(self._json_path()):
filesystem.remove(self._json_path())
self._logger("Running performance tests...")
if self._run_perf_test(self._build_directory_without_patch, 'without %d' % self._patch.id()) < 0:
self._logger('Failed to run performance tests without the patch.')
return False
if self._run_perf_test(self._build_directory, 'with %d' % self._patch.id()) < 0:
self._logger('Failed to run performance tests with the patch.')
return False
if not filesystem.exists(self._results_page_path()):
self._logger('Failed to generate the results page.')
return False
results_page = filesystem.read_text_file(self._results_page_path())
self._tool.bugs.add_attachment_to_bug(self._patch.bug_id(), results_page,
description="Performance tests results for %d" % self._patch.id(), mimetype='text/html')
self._logger("Uploaded the results on the bug %d" % self._patch.bug_id())
return True
def parent_command(self):
return "perfalizer"
def run_webkit_patch(self, args):
webkit_patch_args = [self._tool.path()]
webkit_patch_args.extend(args)
return self._tool.executive.run_and_throw_if_fail(webkit_patch_args, cwd=self._tool.scm().checkout_root)
def _json_path(self):
return self._tool.filesystem.join(self._build_directory, 'PerformanceTestResults.json')
def _results_page_path(self):
return self._tool.filesystem.join(self._build_directory, 'PerformanceTestResults.html')
def _run_perf_test(self, build_path, description):
filesystem = self._tool.filesystem
script_path = filesystem.join(filesystem.dirname(self._tool.path()), 'run-perf-tests')
perf_test_runner_args = [script_path, '--no-build', '--no-show-results', '--build-directory', build_path,
'--output-json-path', self._json_path(), '--description', description]
return self._tool.executive.run_and_throw_if_fail(perf_test_runner_args, cwd=self._tool.scm().checkout_root)
def run_command(self, command):
self.run_webkit_patch(command)
def command_passed(self, message, patch):
pass
def command_failed(self, message, script_error, patch):
self._logger(message)
def refetch_patch(self, patch):
return self._tool.bugs.fetch_attachment(patch.id())
def expected_failures(self):
return ExpectedFailures()
def build_style(self):
return "release"
class PerfTest(IRCCommand):
def execute(self, nick, args, tool, sheriff):
if not args:
tool.irc().post(nick + ": Please specify an attachment/patch id")
return
patch_id = args[0]
patch = tool.bugs.fetch_attachment(patch_id)
if not patch:
tool.irc().post(nick + ": Could not fetch the patch")
return
task = PerfalizerTask(tool, patch, lambda message: tool.irc().post('%s: %s' % (nick, message)))
task.run()
class Perfalizer(AbstractQueue, StepSequenceErrorHandler):
name = "perfalizer"
watchers = AbstractQueue.watchers + ["rniwa@webkit.org"]
_commands = {
"help": Help,
"hi": Hi,
"restart": Restart,
"test": PerfTest,
}
# AbstractQueue methods
def begin_work_queue(self):
AbstractQueue.begin_work_queue(self)
self._sheriff = Sheriff(self._tool, self)
self._irc_bot = IRCBot("perfalizer", self._tool, self._sheriff, self._commands)
self._tool.ensure_irc_connected(self._irc_bot.irc_delegate())
def work_item_log_path(self, failure_map):
return None
def _is_old_failure(self, revision):
return self._tool.status_server.svn_revision(revision)
def next_work_item(self):
self._irc_bot.process_pending_messages()
return
def process_work_item(self, failure_map):
return True
def handle_unexpected_error(self, failure_map, message):
_log.error(message)
# StepSequenceErrorHandler methods
@classmethod
def handle_script_error(cls, tool, state, script_error):
# Ideally we would post some information to IRC about what went wrong
# here, but we don't have the IRC password in the child process.
pass
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