2016-04-26 10:18:13 +00:00
|
|
|
# Copyright (c) 2016, Intel Corporation.
|
|
|
|
#
|
|
|
|
# This program is free software; you can redistribute it and/or modify it
|
|
|
|
# under the terms and conditions of the GNU General Public License,
|
|
|
|
# version 2, as published by the Free Software Foundation.
|
|
|
|
#
|
|
|
|
# This program is distributed in the hope it will be useful, but WITHOUT
|
|
|
|
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
|
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
|
|
# more details.
|
|
|
|
#
|
|
|
|
"""Build performance test base classes and functionality"""
|
2016-05-11 10:22:50 +00:00
|
|
|
import logging
|
|
|
|
import os
|
|
|
|
import shutil
|
|
|
|
import time
|
|
|
|
from datetime import datetime
|
|
|
|
|
|
|
|
from oeqa.utils.commands import runCmd, get_bb_vars
|
|
|
|
|
|
|
|
# Get logger for this module
|
|
|
|
log = logging.getLogger('build-perf')
|
2016-04-26 10:18:13 +00:00
|
|
|
|
|
|
|
|
|
|
|
class KernelDropCaches(object):
|
|
|
|
"""Container of the functions for dropping kernel caches"""
|
|
|
|
sudo_passwd = None
|
|
|
|
|
|
|
|
@classmethod
|
|
|
|
def check(cls):
|
|
|
|
"""Check permssions for dropping kernel caches"""
|
|
|
|
from getpass import getpass
|
|
|
|
from locale import getdefaultlocale
|
|
|
|
cmd = ['sudo', '-k', '-n', 'tee', '/proc/sys/vm/drop_caches']
|
|
|
|
ret = runCmd(cmd, ignore_status=True, data=b'0')
|
|
|
|
if ret.output.startswith('sudo:'):
|
|
|
|
pass_str = getpass(
|
|
|
|
"\nThe script requires sudo access to drop caches between "
|
|
|
|
"builds (echo 3 > /proc/sys/vm/drop_caches).\n"
|
|
|
|
"Please enter your sudo password: ")
|
|
|
|
cls.sudo_passwd = bytes(pass_str, getdefaultlocale()[1])
|
|
|
|
|
|
|
|
@classmethod
|
|
|
|
def drop(cls):
|
|
|
|
"""Drop kernel caches"""
|
|
|
|
cmd = ['sudo', '-k']
|
|
|
|
if cls.sudo_passwd:
|
|
|
|
cmd.append('-S')
|
|
|
|
input_data = cls.sudo_passwd + b'\n'
|
|
|
|
else:
|
|
|
|
cmd.append('-n')
|
|
|
|
input_data = b''
|
|
|
|
cmd += ['tee', '/proc/sys/vm/drop_caches']
|
|
|
|
input_data += b'3'
|
|
|
|
runCmd(cmd, data=input_data)
|
2016-05-11 10:22:50 +00:00
|
|
|
|
|
|
|
|
|
|
|
class BuildPerfTest(object):
|
|
|
|
"""Base class for build performance tests"""
|
|
|
|
name = None
|
|
|
|
description = None
|
|
|
|
|
|
|
|
def __init__(self, out_dir):
|
|
|
|
self.out_dir = out_dir
|
|
|
|
self.results = {'name':self.name,
|
|
|
|
'description': self.description,
|
|
|
|
'status': 'NOTRUN',
|
|
|
|
'start_time': None,
|
|
|
|
'elapsed_time': None,
|
|
|
|
'measurements': []}
|
|
|
|
if not os.path.exists(self.out_dir):
|
|
|
|
os.makedirs(self.out_dir)
|
|
|
|
if not self.name:
|
|
|
|
self.name = self.__class__.__name__
|
|
|
|
self.bb_vars = get_bb_vars()
|
|
|
|
|
|
|
|
def run(self):
|
|
|
|
"""Run test"""
|
|
|
|
self.results['status'] = 'FAILED'
|
|
|
|
self.results['start_time'] = datetime.now()
|
|
|
|
self._run()
|
|
|
|
self.results['elapsed_time'] = (datetime.now() -
|
|
|
|
self.results['start_time'])
|
|
|
|
# Test is regarded as completed if it doesn't raise an exception
|
|
|
|
self.results['status'] = 'COMPLETED'
|
|
|
|
|
|
|
|
def _run(self):
|
|
|
|
"""Actual test payload"""
|
|
|
|
raise NotImplementedError
|
|
|
|
|
|
|
|
@staticmethod
|
|
|
|
def force_rm(path):
|
|
|
|
"""Equivalent of 'rm -rf'"""
|
|
|
|
if os.path.isfile(path) or os.path.islink(path):
|
|
|
|
os.unlink(path)
|
|
|
|
elif os.path.isdir(path):
|
|
|
|
shutil.rmtree(path)
|
|
|
|
|
|
|
|
def rm_tmp(self):
|
|
|
|
"""Cleanup temporary/intermediate files and directories"""
|
|
|
|
log.debug("Removing temporary and cache files")
|
|
|
|
for name in ['bitbake.lock', 'conf/sanity_info',
|
|
|
|
self.bb_vars['TMPDIR']]:
|
|
|
|
self.force_rm(name)
|
|
|
|
|
|
|
|
def rm_sstate(self):
|
|
|
|
"""Remove sstate directory"""
|
|
|
|
log.debug("Removing sstate-cache")
|
|
|
|
self.force_rm(self.bb_vars['SSTATE_DIR'])
|
|
|
|
|
|
|
|
def rm_cache(self):
|
|
|
|
"""Drop bitbake caches"""
|
|
|
|
self.force_rm(self.bb_vars['PERSISTENT_DIR'])
|
|
|
|
|
|
|
|
@staticmethod
|
|
|
|
def sync():
|
|
|
|
"""Sync and drop kernel caches"""
|
|
|
|
log.debug("Syncing and dropping kernel caches""")
|
|
|
|
KernelDropCaches.drop()
|
|
|
|
os.sync()
|
|
|
|
# Wait a bit for all the dirty blocks to be written onto disk
|
|
|
|
time.sleep(3)
|