356 lines
12 KiB
Python
Executable file
356 lines
12 KiB
Python
Executable file
#!/usr/bin/env python2
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#
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# Copyright 2016 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Script for running nightly compiler tests on ChromeOS.
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This script launches a buildbot to build ChromeOS with the latest compiler on
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a particular board; then it finds and downloads the trybot image and the
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corresponding official image, and runs crosperf performance tests comparing
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the two. It then generates a report, emails it to the c-compiler-chrome, as
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well as copying the images into the seven-day reports directory.
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"""
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# Script to test different toolchains against ChromeOS benchmarks.
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from __future__ import print_function
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import argparse
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import datetime
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import os
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import re
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import sys
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import time
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from cros_utils import command_executer
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from cros_utils import logger
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from cros_utils import buildbot_utils
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# CL that updated GCC ebuilds to use 'next_gcc'.
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USE_NEXT_GCC_PATCH = '230260'
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# CL that uses LLVM to build the peppy image.
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USE_LLVM_PATCH = '295217'
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# CL that uses LLVM-Next to build the images (includes chrome).
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USE_LLVM_NEXT_PATCH = '424123'
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CROSTC_ROOT = '/usr/local/google/crostc'
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ROLE_ACCOUNT = 'mobiletc-prebuild'
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TOOLCHAIN_DIR = os.path.dirname(os.path.realpath(__file__))
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MAIL_PROGRAM = '~/var/bin/mail-sheriff'
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PENDING_ARCHIVES_DIR = os.path.join(CROSTC_ROOT, 'pending_archives')
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NIGHTLY_TESTS_DIR = os.path.join(CROSTC_ROOT, 'nightly_test_reports')
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IMAGE_DIR = '{board}-{image_type}'
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IMAGE_VERSION_STR = r'{chrome_version}-{tip}\.{branch}\.{branch_branch}'
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IMAGE_FS = IMAGE_DIR + '/' + IMAGE_VERSION_STR
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TRYBOT_IMAGE_FS = 'trybot-' + IMAGE_FS + '-{build_id}'
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PFQ_IMAGE_FS = IMAGE_FS + '-rc1'
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IMAGE_RE_GROUPS = {
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'board': r'(?P<board>\S+)',
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'image_type': r'(?P<image_type>\S+)',
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'chrome_version': r'(?P<chrome_version>R\d+)',
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'tip': r'(?P<tip>\d+)',
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'branch': r'(?P<branch>\d+)',
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'branch_branch': r'(?P<branch_branch>\d+)',
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'build_id': r'(?P<build_id>b\d+)'
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}
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TRYBOT_IMAGE_RE = TRYBOT_IMAGE_FS.format(**IMAGE_RE_GROUPS)
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class ToolchainComparator(object):
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"""Class for doing the nightly tests work."""
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def __init__(self,
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board,
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remotes,
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chromeos_root,
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weekday,
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patches,
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noschedv2=False):
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self._board = board
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self._remotes = remotes
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self._chromeos_root = chromeos_root
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self._base_dir = os.getcwd()
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self._ce = command_executer.GetCommandExecuter()
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self._l = logger.GetLogger()
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self._build = '%s-release' % board
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self._patches = patches.split(',')
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self._patches_string = '_'.join(str(p) for p in self._patches)
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self._noschedv2 = noschedv2
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if not weekday:
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self._weekday = time.strftime('%a')
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else:
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self._weekday = weekday
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timestamp = datetime.datetime.strftime(datetime.datetime.now(),
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'%Y-%m-%d_%H:%M:%S')
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self._reports_dir = os.path.join(
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NIGHTLY_TESTS_DIR,
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'%s.%s' % (timestamp, board),)
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def _GetVanillaImageName(self, trybot_image):
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"""Given a trybot artifact name, get latest vanilla image name.
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Args:
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trybot_image: artifact name such as
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'trybot-daisy-release/R40-6394.0.0-b1389'
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Returns:
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Latest official image name, e.g. 'daisy-release/R57-9089.0.0'.
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"""
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mo = re.search(TRYBOT_IMAGE_RE, trybot_image)
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assert mo
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dirname = IMAGE_DIR.replace('\\', '').format(**mo.groupdict())
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version = buildbot_utils.GetGSContent(self._chromeos_root,
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dirname + '/LATEST-master')
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return dirname + '/' + version
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def _GetNonAFDOImageName(self, trybot_image):
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"""Given a trybot artifact name, get corresponding non-AFDO image name.
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We get the non-AFDO image from the PFQ builders. This image
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is not generated for all the boards and, the closest PFQ image
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was the one build for the previous ChromeOS version (the chrome
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used in the current version is the one validated in the previous
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version).
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The previous ChromeOS does not always exist either. So, we try
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a couple of versions before.
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Args:
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trybot_image: artifact name such as
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'trybot-daisy-release/R40-6394.0.0-b1389'
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Returns:
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Corresponding chrome PFQ image name, e.g.
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'daisy-chrome-pfq/R40-6393.0.0-rc1'.
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"""
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mo = re.search(TRYBOT_IMAGE_RE, trybot_image)
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assert mo
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image_dict = mo.groupdict()
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image_dict['image_type'] = 'chrome-pfq'
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for _ in xrange(2):
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image_dict['tip'] = str(int(image_dict['tip']) - 1)
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nonafdo_image = PFQ_IMAGE_FS.replace('\\', '').format(**image_dict)
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if buildbot_utils.DoesImageExist(self._chromeos_root, nonafdo_image):
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return nonafdo_image
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return ''
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def _FinishSetup(self):
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"""Make sure testing_rsa file is properly set up."""
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# Fix protections on ssh key
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command = ('chmod 600 /var/cache/chromeos-cache/distfiles/target'
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'/chrome-src-internal/src/third_party/chromite/ssh_keys'
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'/testing_rsa')
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ret_val = self._ce.ChrootRunCommand(self._chromeos_root, command)
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if ret_val != 0:
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raise RuntimeError('chmod for testing_rsa failed')
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def _TestImages(self, trybot_image, vanilla_image, nonafdo_image):
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"""Create crosperf experiment file.
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Given the names of the trybot, vanilla and non-AFDO images, create the
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appropriate crosperf experiment file and launch crosperf on it.
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"""
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experiment_file_dir = os.path.join(self._chromeos_root, '..', self._weekday)
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experiment_file_name = '%s_toolchain_experiment.txt' % self._board
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compiler_string = 'gcc'
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if USE_LLVM_NEXT_PATCH in self._patches_string:
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experiment_file_name = '%s_llvm_next_experiment.txt' % self._board
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compiler_string = 'llvm_next'
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elif USE_LLVM_PATCH in self._patches_string:
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experiment_file_name = '%s_llvm_experiment.txt' % self._board
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compiler_string = 'llvm'
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experiment_file = os.path.join(experiment_file_dir, experiment_file_name)
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experiment_header = """
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board: %s
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remote: %s
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retries: 1
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""" % (self._board, self._remotes)
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experiment_tests = """
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benchmark: all_toolchain_perf {
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suite: telemetry_Crosperf
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iterations: 3
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}
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benchmark: page_cycler_v2.typical_25 {
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suite: telemetry_Crosperf
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iterations: 2
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run_local: False
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retries: 0
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}
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"""
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with open(experiment_file, 'w') as f:
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f.write(experiment_header)
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f.write(experiment_tests)
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# Now add vanilla to test file.
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official_image = """
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vanilla_image {
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chromeos_root: %s
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build: %s
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compiler: gcc
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}
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""" % (self._chromeos_root, vanilla_image)
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f.write(official_image)
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# Now add non-AFDO image to test file.
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if nonafdo_image:
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official_nonafdo_image = """
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nonafdo_image {
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chromeos_root: %s
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build: %s
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compiler: gcc
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}
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""" % (self._chromeos_root, nonafdo_image)
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f.write(official_nonafdo_image)
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label_string = '%s_trybot_image' % compiler_string
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if USE_NEXT_GCC_PATCH in self._patches:
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label_string = 'gcc_next_trybot_image'
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# Reuse autotest files from vanilla image for trybot images
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autotest_files = os.path.join('/tmp', vanilla_image, 'autotest_files')
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experiment_image = """
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%s {
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chromeos_root: %s
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build: %s
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autotest_path: %s
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compiler: %s
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}
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""" % (label_string, self._chromeos_root, trybot_image,
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autotest_files, compiler_string)
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f.write(experiment_image)
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crosperf = os.path.join(TOOLCHAIN_DIR, 'crosperf', 'crosperf')
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noschedv2_opts = '--noschedv2' if self._noschedv2 else ''
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command = ('{crosperf} --no_email=True --results_dir={r_dir} '
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'--json_report=True {noschedv2_opts} {exp_file}').format(
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crosperf=crosperf,
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r_dir=self._reports_dir,
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noschedv2_opts=noschedv2_opts,
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exp_file=experiment_file)
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ret = self._ce.RunCommand(command)
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if ret != 0:
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raise RuntimeError('Crosperf execution error!')
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else:
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# Copy json report to pending archives directory.
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command = 'cp %s/*.json %s/.' % (self._reports_dir, PENDING_ARCHIVES_DIR)
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ret = self._ce.RunCommand(command)
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return
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def _SendEmail(self):
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"""Find email message generated by crosperf and send it."""
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filename = os.path.join(self._reports_dir, 'msg_body.html')
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if (os.path.exists(filename) and
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os.path.exists(os.path.expanduser(MAIL_PROGRAM))):
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email_title = 'buildbot test results'
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if USE_LLVM_NEXT_PATCH in self._patches_string:
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email_title = 'buildbot llvm_next test results'
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elif USE_LLVM_PATCH in self._patches_string:
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email_title = 'buildbot llvm test results'
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command = ('cat %s | %s -s "%s, %s" -team -html' %
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(filename, MAIL_PROGRAM, email_title, self._board))
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self._ce.RunCommand(command)
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def DoAll(self):
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"""Main function inside ToolchainComparator class.
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Launch trybot, get image names, create crosperf experiment file, run
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crosperf, and copy images into seven-day report directories.
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"""
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date_str = datetime.date.today()
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description = 'master_%s_%s_%s' % (self._patches_string, self._build,
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date_str)
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build_id, trybot_image = buildbot_utils.GetTrybotImage(
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self._chromeos_root,
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self._build,
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self._patches,
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description,
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other_flags=['--notests'],
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build_toolchain=True)
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print('trybot_url: \
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https://uberchromegw.corp.google.com/i/chromiumos.tryserver/builders/release/builds/%s'
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% build_id)
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if len(trybot_image) == 0:
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self._l.LogError('Unable to find trybot_image for %s!' % description)
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return 1
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vanilla_image = self._GetVanillaImageName(trybot_image)
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nonafdo_image = self._GetNonAFDOImageName(trybot_image)
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print('trybot_image: %s' % trybot_image)
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print('vanilla_image: %s' % vanilla_image)
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print('nonafdo_image: %s' % nonafdo_image)
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if os.getlogin() == ROLE_ACCOUNT:
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self._FinishSetup()
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self._TestImages(trybot_image, vanilla_image, nonafdo_image)
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self._SendEmail()
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return 0
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def Main(argv):
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"""The main function."""
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# Common initializations
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command_executer.InitCommandExecuter()
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'--remote', dest='remote', help='Remote machines to run tests on.')
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parser.add_argument(
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'--board', dest='board', default='x86-zgb', help='The target board.')
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parser.add_argument(
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'--chromeos_root',
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dest='chromeos_root',
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help='The chromeos root from which to run tests.')
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parser.add_argument(
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'--weekday',
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default='',
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dest='weekday',
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help='The day of the week for which to run tests.')
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parser.add_argument(
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'--patch',
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dest='patches',
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help='The patches to use for the testing, '
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"seprate the patch numbers with ',' "
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'for more than one patches.')
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parser.add_argument(
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'--noschedv2',
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dest='noschedv2',
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action='store_true',
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default=False,
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help='Pass --noschedv2 to crosperf.')
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options = parser.parse_args(argv[1:])
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if not options.board:
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print('Please give a board.')
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return 1
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if not options.remote:
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print('Please give at least one remote machine.')
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return 1
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if not options.chromeos_root:
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print('Please specify the ChromeOS root directory.')
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return 1
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if options.patches:
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patches = options.patches
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else:
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patches = USE_NEXT_GCC_PATCH
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fc = ToolchainComparator(options.board, options.remote, options.chromeos_root,
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options.weekday, patches, options.noschedv2)
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return fc.DoAll()
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if __name__ == '__main__':
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retval = Main(sys.argv)
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sys.exit(retval)
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