Patrick Williams | c0f7c04 | 2017-02-23 20:41:17 -0600 | [diff] [blame^] | 1 | # Copyright (c) 2016, Intel Corporation. |
| 2 | # |
| 3 | # This program is free software; you can redistribute it and/or modify it |
| 4 | # under the terms and conditions of the GNU General Public License, |
| 5 | # version 2, as published by the Free Software Foundation. |
| 6 | # |
| 7 | # This program is distributed in the hope it will be useful, but WITHOUT |
| 8 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 9 | # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 10 | # more details. |
| 11 | # |
| 12 | """Build performance test base classes and functionality""" |
| 13 | import glob |
| 14 | import json |
| 15 | import logging |
| 16 | import os |
| 17 | import re |
| 18 | import resource |
| 19 | import shutil |
| 20 | import socket |
| 21 | import time |
| 22 | import traceback |
| 23 | import unittest |
| 24 | from datetime import datetime, timedelta |
| 25 | from functools import partial |
| 26 | from multiprocessing import Process |
| 27 | from multiprocessing import SimpleQueue |
| 28 | |
| 29 | import oe.path |
| 30 | from oeqa.utils.commands import CommandError, runCmd, get_bb_vars |
| 31 | from oeqa.utils.git import GitError, GitRepo |
| 32 | |
| 33 | # Get logger for this module |
| 34 | log = logging.getLogger('build-perf') |
| 35 | |
| 36 | # Our own version of runCmd which does not raise AssertErrors which would cause |
| 37 | # errors to interpreted as failures |
| 38 | runCmd2 = partial(runCmd, assert_error=False) |
| 39 | |
| 40 | |
| 41 | class KernelDropCaches(object): |
| 42 | """Container of the functions for dropping kernel caches""" |
| 43 | sudo_passwd = None |
| 44 | |
| 45 | @classmethod |
| 46 | def check(cls): |
| 47 | """Check permssions for dropping kernel caches""" |
| 48 | from getpass import getpass |
| 49 | from locale import getdefaultlocale |
| 50 | cmd = ['sudo', '-k', '-n', 'tee', '/proc/sys/vm/drop_caches'] |
| 51 | ret = runCmd2(cmd, ignore_status=True, data=b'0') |
| 52 | if ret.output.startswith('sudo:'): |
| 53 | pass_str = getpass( |
| 54 | "\nThe script requires sudo access to drop caches between " |
| 55 | "builds (echo 3 > /proc/sys/vm/drop_caches).\n" |
| 56 | "Please enter your sudo password: ") |
| 57 | cls.sudo_passwd = bytes(pass_str, getdefaultlocale()[1]) |
| 58 | |
| 59 | @classmethod |
| 60 | def drop(cls): |
| 61 | """Drop kernel caches""" |
| 62 | cmd = ['sudo', '-k'] |
| 63 | if cls.sudo_passwd: |
| 64 | cmd.append('-S') |
| 65 | input_data = cls.sudo_passwd + b'\n' |
| 66 | else: |
| 67 | cmd.append('-n') |
| 68 | input_data = b'' |
| 69 | cmd += ['tee', '/proc/sys/vm/drop_caches'] |
| 70 | input_data += b'3' |
| 71 | runCmd2(cmd, data=input_data) |
| 72 | |
| 73 | |
| 74 | def str_to_fn(string): |
| 75 | """Convert string to a sanitized filename""" |
| 76 | return re.sub(r'(\W+)', '-', string, flags=re.LOCALE) |
| 77 | |
| 78 | |
| 79 | class ResultsJsonEncoder(json.JSONEncoder): |
| 80 | """Extended encoder for build perf test results""" |
| 81 | unix_epoch = datetime.utcfromtimestamp(0) |
| 82 | |
| 83 | def default(self, obj): |
| 84 | """Encoder for our types""" |
| 85 | if isinstance(obj, datetime): |
| 86 | # NOTE: we assume that all timestamps are in UTC time |
| 87 | return (obj - self.unix_epoch).total_seconds() |
| 88 | if isinstance(obj, timedelta): |
| 89 | return obj.total_seconds() |
| 90 | return json.JSONEncoder.default(self, obj) |
| 91 | |
| 92 | |
| 93 | class BuildPerfTestResult(unittest.TextTestResult): |
| 94 | """Runner class for executing the individual tests""" |
| 95 | # List of test cases to run |
| 96 | test_run_queue = [] |
| 97 | |
| 98 | def __init__(self, out_dir, *args, **kwargs): |
| 99 | super(BuildPerfTestResult, self).__init__(*args, **kwargs) |
| 100 | |
| 101 | self.out_dir = out_dir |
| 102 | # Get Git parameters |
| 103 | try: |
| 104 | self.repo = GitRepo('.') |
| 105 | except GitError: |
| 106 | self.repo = None |
| 107 | self.git_commit, self.git_commit_count, self.git_branch = \ |
| 108 | self.get_git_revision() |
| 109 | self.hostname = socket.gethostname() |
| 110 | self.product = os.getenv('OE_BUILDPERFTEST_PRODUCT', 'oe-core') |
| 111 | self.start_time = self.elapsed_time = None |
| 112 | self.successes = [] |
| 113 | log.info("Using Git branch:commit %s:%s (%s)", self.git_branch, |
| 114 | self.git_commit, self.git_commit_count) |
| 115 | |
| 116 | def get_git_revision(self): |
| 117 | """Get git branch and commit under testing""" |
| 118 | commit = os.getenv('OE_BUILDPERFTEST_GIT_COMMIT') |
| 119 | commit_cnt = os.getenv('OE_BUILDPERFTEST_GIT_COMMIT_COUNT') |
| 120 | branch = os.getenv('OE_BUILDPERFTEST_GIT_BRANCH') |
| 121 | if not self.repo and (not commit or not commit_cnt or not branch): |
| 122 | log.info("The current working directory doesn't seem to be a Git " |
| 123 | "repository clone. You can specify branch and commit " |
| 124 | "displayed in test results with OE_BUILDPERFTEST_GIT_BRANCH, " |
| 125 | "OE_BUILDPERFTEST_GIT_COMMIT and " |
| 126 | "OE_BUILDPERFTEST_GIT_COMMIT_COUNT environment variables") |
| 127 | else: |
| 128 | if not commit: |
| 129 | commit = self.repo.rev_parse('HEAD^0') |
| 130 | commit_cnt = self.repo.run_cmd(['rev-list', '--count', 'HEAD^0']) |
| 131 | if not branch: |
| 132 | branch = self.repo.get_current_branch() |
| 133 | if not branch: |
| 134 | log.debug('Currently on detached HEAD') |
| 135 | return str(commit), str(commit_cnt), str(branch) |
| 136 | |
| 137 | def addSuccess(self, test): |
| 138 | """Record results from successful tests""" |
| 139 | super(BuildPerfTestResult, self).addSuccess(test) |
| 140 | self.successes.append((test, None)) |
| 141 | |
| 142 | def startTest(self, test): |
| 143 | """Pre-test hook""" |
| 144 | test.base_dir = self.out_dir |
| 145 | os.mkdir(test.out_dir) |
| 146 | log.info("Executing test %s: %s", test.name, test.shortDescription()) |
| 147 | self.stream.write(datetime.now().strftime("[%Y-%m-%d %H:%M:%S] ")) |
| 148 | super(BuildPerfTestResult, self).startTest(test) |
| 149 | |
| 150 | def startTestRun(self): |
| 151 | """Pre-run hook""" |
| 152 | self.start_time = datetime.utcnow() |
| 153 | |
| 154 | def stopTestRun(self): |
| 155 | """Pre-run hook""" |
| 156 | self.elapsed_time = datetime.utcnow() - self.start_time |
| 157 | self.write_results_json() |
| 158 | |
| 159 | def all_results(self): |
| 160 | result_map = {'SUCCESS': self.successes, |
| 161 | 'FAIL': self.failures, |
| 162 | 'ERROR': self.errors, |
| 163 | 'EXP_FAIL': self.expectedFailures, |
| 164 | 'UNEXP_SUCCESS': self.unexpectedSuccesses, |
| 165 | 'SKIPPED': self.skipped} |
| 166 | for status, tests in result_map.items(): |
| 167 | for test in tests: |
| 168 | yield (status, test) |
| 169 | |
| 170 | |
| 171 | def update_globalres_file(self, filename): |
| 172 | """Write results to globalres csv file""" |
| 173 | # Map test names to time and size columns in globalres |
| 174 | # The tuples represent index and length of times and sizes |
| 175 | # respectively |
| 176 | gr_map = {'test1': ((0, 1), (8, 1)), |
| 177 | 'test12': ((1, 1), (None, None)), |
| 178 | 'test13': ((2, 1), (9, 1)), |
| 179 | 'test2': ((3, 1), (None, None)), |
| 180 | 'test3': ((4, 3), (None, None)), |
| 181 | 'test4': ((7, 1), (10, 2))} |
| 182 | |
| 183 | if self.repo: |
| 184 | git_tag_rev = self.repo.run_cmd(['describe', self.git_commit]) |
| 185 | else: |
| 186 | git_tag_rev = self.git_commit |
| 187 | |
| 188 | values = ['0'] * 12 |
| 189 | for status, (test, msg) in self.all_results(): |
| 190 | if status in ['ERROR', 'SKIPPED']: |
| 191 | continue |
| 192 | (t_ind, t_len), (s_ind, s_len) = gr_map[test.name] |
| 193 | if t_ind is not None: |
| 194 | values[t_ind:t_ind + t_len] = test.times |
| 195 | if s_ind is not None: |
| 196 | values[s_ind:s_ind + s_len] = test.sizes |
| 197 | |
| 198 | log.debug("Writing globalres log to %s", filename) |
| 199 | with open(filename, 'a') as fobj: |
| 200 | fobj.write('{},{}:{},{},'.format(self.hostname, |
| 201 | self.git_branch, |
| 202 | self.git_commit, |
| 203 | git_tag_rev)) |
| 204 | fobj.write(','.join(values) + '\n') |
| 205 | |
| 206 | def write_results_json(self): |
| 207 | """Write test results into a json-formatted file""" |
| 208 | results = {'tester_host': self.hostname, |
| 209 | 'git_branch': self.git_branch, |
| 210 | 'git_commit': self.git_commit, |
| 211 | 'git_commit_count': self.git_commit_count, |
| 212 | 'product': self.product, |
| 213 | 'start_time': self.start_time, |
| 214 | 'elapsed_time': self.elapsed_time} |
| 215 | |
| 216 | tests = {} |
| 217 | for status, (test, reason) in self.all_results(): |
| 218 | tests[test.name] = {'name': test.name, |
| 219 | 'description': test.shortDescription(), |
| 220 | 'status': status, |
| 221 | 'start_time': test.start_time, |
| 222 | 'elapsed_time': test.elapsed_time, |
| 223 | 'cmd_log_file': os.path.relpath(test.cmd_log_file, |
| 224 | self.out_dir), |
| 225 | 'measurements': test.measurements} |
| 226 | results['tests'] = tests |
| 227 | |
| 228 | with open(os.path.join(self.out_dir, 'results.json'), 'w') as fobj: |
| 229 | json.dump(results, fobj, indent=4, sort_keys=True, |
| 230 | cls=ResultsJsonEncoder) |
| 231 | |
| 232 | |
| 233 | def git_commit_results(self, repo_path, branch=None, tag=None): |
| 234 | """Commit results into a Git repository""" |
| 235 | repo = GitRepo(repo_path, is_topdir=True) |
| 236 | if not branch: |
| 237 | branch = self.git_branch |
| 238 | else: |
| 239 | # Replace keywords |
| 240 | branch = branch.format(git_branch=self.git_branch, |
| 241 | tester_host=self.hostname) |
| 242 | |
| 243 | log.info("Committing test results into %s %s", repo_path, branch) |
| 244 | tmp_index = os.path.join(repo_path, '.git', 'index.oe-build-perf') |
| 245 | try: |
| 246 | # Create new commit object from the new results |
| 247 | env_update = {'GIT_INDEX_FILE': tmp_index, |
| 248 | 'GIT_WORK_TREE': self.out_dir} |
| 249 | repo.run_cmd('add .', env_update) |
| 250 | tree = repo.run_cmd('write-tree', env_update) |
| 251 | parent = repo.rev_parse(branch) |
| 252 | msg = "Results of {}:{}\n".format(self.git_branch, self.git_commit) |
| 253 | git_cmd = ['commit-tree', tree, '-m', msg] |
| 254 | if parent: |
| 255 | git_cmd += ['-p', parent] |
| 256 | commit = repo.run_cmd(git_cmd, env_update) |
| 257 | |
| 258 | # Update branch head |
| 259 | git_cmd = ['update-ref', 'refs/heads/' + branch, commit] |
| 260 | if parent: |
| 261 | git_cmd.append(parent) |
| 262 | repo.run_cmd(git_cmd) |
| 263 | |
| 264 | # Update current HEAD, if we're on branch 'branch' |
| 265 | if repo.get_current_branch() == branch: |
| 266 | log.info("Updating %s HEAD to latest commit", repo_path) |
| 267 | repo.run_cmd('reset --hard') |
| 268 | |
| 269 | # Create (annotated) tag |
| 270 | if tag: |
| 271 | # Find tags matching the pattern |
| 272 | tag_keywords = dict(git_branch=self.git_branch, |
| 273 | git_commit=self.git_commit, |
| 274 | git_commit_count=self.git_commit_count, |
| 275 | tester_host=self.hostname, |
| 276 | tag_num='[0-9]{1,5}') |
| 277 | tag_re = re.compile(tag.format(**tag_keywords) + '$') |
| 278 | tag_keywords['tag_num'] = 0 |
| 279 | for existing_tag in repo.run_cmd('tag').splitlines(): |
| 280 | if tag_re.match(existing_tag): |
| 281 | tag_keywords['tag_num'] += 1 |
| 282 | |
| 283 | tag = tag.format(**tag_keywords) |
| 284 | msg = "Test run #{} of {}:{}\n".format(tag_keywords['tag_num'], |
| 285 | self.git_branch, |
| 286 | self.git_commit) |
| 287 | repo.run_cmd(['tag', '-a', '-m', msg, tag, commit]) |
| 288 | |
| 289 | finally: |
| 290 | if os.path.exists(tmp_index): |
| 291 | os.unlink(tmp_index) |
| 292 | |
| 293 | |
| 294 | class BuildPerfTestCase(unittest.TestCase): |
| 295 | """Base class for build performance tests""" |
| 296 | SYSRES = 'sysres' |
| 297 | DISKUSAGE = 'diskusage' |
| 298 | build_target = None |
| 299 | |
| 300 | def __init__(self, *args, **kwargs): |
| 301 | super(BuildPerfTestCase, self).__init__(*args, **kwargs) |
| 302 | self.name = self._testMethodName |
| 303 | self.base_dir = None |
| 304 | self.start_time = None |
| 305 | self.elapsed_time = None |
| 306 | self.measurements = [] |
| 307 | self.bb_vars = get_bb_vars() |
| 308 | # TODO: remove 'times' and 'sizes' arrays when globalres support is |
| 309 | # removed |
| 310 | self.times = [] |
| 311 | self.sizes = [] |
| 312 | |
| 313 | @property |
| 314 | def out_dir(self): |
| 315 | return os.path.join(self.base_dir, self.name) |
| 316 | |
| 317 | @property |
| 318 | def cmd_log_file(self): |
| 319 | return os.path.join(self.out_dir, 'commands.log') |
| 320 | |
| 321 | def setUp(self): |
| 322 | """Set-up fixture for each test""" |
| 323 | if self.build_target: |
| 324 | self.log_cmd_output(['bitbake', self.build_target, |
| 325 | '-c', 'fetchall']) |
| 326 | |
| 327 | def run(self, *args, **kwargs): |
| 328 | """Run test""" |
| 329 | self.start_time = datetime.now() |
| 330 | super(BuildPerfTestCase, self).run(*args, **kwargs) |
| 331 | self.elapsed_time = datetime.now() - self.start_time |
| 332 | |
| 333 | def log_cmd_output(self, cmd): |
| 334 | """Run a command and log it's output""" |
| 335 | cmd_str = cmd if isinstance(cmd, str) else ' '.join(cmd) |
| 336 | log.info("Logging command: %s", cmd_str) |
| 337 | try: |
| 338 | with open(self.cmd_log_file, 'a') as fobj: |
| 339 | runCmd2(cmd, stdout=fobj) |
| 340 | except CommandError as err: |
| 341 | log.error("Command failed: %s", err.retcode) |
| 342 | raise |
| 343 | |
| 344 | def measure_cmd_resources(self, cmd, name, legend, save_bs=False): |
| 345 | """Measure system resource usage of a command""" |
| 346 | def _worker(data_q, cmd, **kwargs): |
| 347 | """Worker process for measuring resources""" |
| 348 | try: |
| 349 | start_time = datetime.now() |
| 350 | ret = runCmd2(cmd, **kwargs) |
| 351 | etime = datetime.now() - start_time |
| 352 | rusage_struct = resource.getrusage(resource.RUSAGE_CHILDREN) |
| 353 | iostat = {} |
| 354 | with open('/proc/{}/io'.format(os.getpid())) as fobj: |
| 355 | for line in fobj.readlines(): |
| 356 | key, val = line.split(':') |
| 357 | iostat[key] = int(val) |
| 358 | rusage = {} |
| 359 | # Skip unused fields, (i.e. 'ru_ixrss', 'ru_idrss', 'ru_isrss', |
| 360 | # 'ru_nswap', 'ru_msgsnd', 'ru_msgrcv' and 'ru_nsignals') |
| 361 | for key in ['ru_utime', 'ru_stime', 'ru_maxrss', 'ru_minflt', |
| 362 | 'ru_majflt', 'ru_inblock', 'ru_oublock', |
| 363 | 'ru_nvcsw', 'ru_nivcsw']: |
| 364 | rusage[key] = getattr(rusage_struct, key) |
| 365 | data_q.put({'ret': ret, |
| 366 | 'start_time': start_time, |
| 367 | 'elapsed_time': etime, |
| 368 | 'rusage': rusage, |
| 369 | 'iostat': iostat}) |
| 370 | except Exception as err: |
| 371 | data_q.put(err) |
| 372 | |
| 373 | cmd_str = cmd if isinstance(cmd, str) else ' '.join(cmd) |
| 374 | log.info("Timing command: %s", cmd_str) |
| 375 | data_q = SimpleQueue() |
| 376 | try: |
| 377 | with open(self.cmd_log_file, 'a') as fobj: |
| 378 | proc = Process(target=_worker, args=(data_q, cmd,), |
| 379 | kwargs={'stdout': fobj}) |
| 380 | proc.start() |
| 381 | data = data_q.get() |
| 382 | proc.join() |
| 383 | if isinstance(data, Exception): |
| 384 | raise data |
| 385 | except CommandError: |
| 386 | log.error("Command '%s' failed, see %s for more details", cmd_str, |
| 387 | self.cmd_log_file) |
| 388 | raise |
| 389 | etime = data['elapsed_time'] |
| 390 | |
| 391 | measurement = {'type': self.SYSRES, |
| 392 | 'name': name, |
| 393 | 'legend': legend} |
| 394 | measurement['values'] = {'start_time': data['start_time'], |
| 395 | 'elapsed_time': etime, |
| 396 | 'rusage': data['rusage'], |
| 397 | 'iostat': data['iostat']} |
| 398 | if save_bs: |
| 399 | bs_file = self.save_buildstats(legend) |
| 400 | measurement['values']['buildstats_file'] = \ |
| 401 | os.path.relpath(bs_file, self.base_dir) |
| 402 | |
| 403 | self.measurements.append(measurement) |
| 404 | |
| 405 | # Append to 'times' array for globalres log |
| 406 | e_sec = etime.total_seconds() |
| 407 | self.times.append('{:d}:{:02d}:{:05.2f}'.format(int(e_sec / 3600), |
| 408 | int((e_sec % 3600) / 60), |
| 409 | e_sec % 60)) |
| 410 | |
| 411 | def measure_disk_usage(self, path, name, legend, apparent_size=False): |
| 412 | """Estimate disk usage of a file or directory""" |
| 413 | cmd = ['du', '-s', '--block-size', '1024'] |
| 414 | if apparent_size: |
| 415 | cmd.append('--apparent-size') |
| 416 | cmd.append(path) |
| 417 | |
| 418 | ret = runCmd2(cmd) |
| 419 | size = int(ret.output.split()[0]) |
| 420 | log.debug("Size of %s path is %s", path, size) |
| 421 | measurement = {'type': self.DISKUSAGE, |
| 422 | 'name': name, |
| 423 | 'legend': legend} |
| 424 | measurement['values'] = {'size': size} |
| 425 | self.measurements.append(measurement) |
| 426 | # Append to 'sizes' array for globalres log |
| 427 | self.sizes.append(str(size)) |
| 428 | |
| 429 | def save_buildstats(self, label=None): |
| 430 | """Save buildstats""" |
| 431 | def split_nevr(nevr): |
| 432 | """Split name and version information from recipe "nevr" string""" |
| 433 | n_e_v, revision = nevr.rsplit('-', 1) |
| 434 | match = re.match(r'^(?P<name>\S+)-((?P<epoch>[0-9]{1,5})_)?(?P<version>[0-9]\S*)$', |
| 435 | n_e_v) |
| 436 | if not match: |
| 437 | # If we're not able to parse a version starting with a number, just |
| 438 | # take the part after last dash |
| 439 | match = re.match(r'^(?P<name>\S+)-((?P<epoch>[0-9]{1,5})_)?(?P<version>[^-]+)$', |
| 440 | n_e_v) |
| 441 | name = match.group('name') |
| 442 | version = match.group('version') |
| 443 | epoch = match.group('epoch') |
| 444 | return name, epoch, version, revision |
| 445 | |
| 446 | def bs_to_json(filename): |
| 447 | """Convert (task) buildstats file into json format""" |
| 448 | bs_json = {'iostat': {}, |
| 449 | 'rusage': {}, |
| 450 | 'child_rusage': {}} |
| 451 | with open(filename) as fobj: |
| 452 | for line in fobj.readlines(): |
| 453 | key, val = line.split(':', 1) |
| 454 | val = val.strip() |
| 455 | if key == 'Started': |
| 456 | start_time = datetime.utcfromtimestamp(float(val)) |
| 457 | bs_json['start_time'] = start_time |
| 458 | elif key == 'Ended': |
| 459 | end_time = datetime.utcfromtimestamp(float(val)) |
| 460 | elif key.startswith('IO '): |
| 461 | split = key.split() |
| 462 | bs_json['iostat'][split[1]] = int(val) |
| 463 | elif key.find('rusage') >= 0: |
| 464 | split = key.split() |
| 465 | ru_key = split[-1] |
| 466 | if ru_key in ('ru_stime', 'ru_utime'): |
| 467 | val = float(val) |
| 468 | else: |
| 469 | val = int(val) |
| 470 | ru_type = 'rusage' if split[0] == 'rusage' else \ |
| 471 | 'child_rusage' |
| 472 | bs_json[ru_type][ru_key] = val |
| 473 | elif key == 'Status': |
| 474 | bs_json['status'] = val |
| 475 | bs_json['elapsed_time'] = end_time - start_time |
| 476 | return bs_json |
| 477 | |
| 478 | log.info('Saving buildstats in JSON format') |
| 479 | bs_dirs = sorted(os.listdir(self.bb_vars['BUILDSTATS_BASE'])) |
| 480 | if len(bs_dirs) > 1: |
| 481 | log.warning("Multiple buildstats found for test %s, only " |
| 482 | "archiving the last one", self.name) |
| 483 | bs_dir = os.path.join(self.bb_vars['BUILDSTATS_BASE'], bs_dirs[-1]) |
| 484 | |
| 485 | buildstats = [] |
| 486 | for fname in os.listdir(bs_dir): |
| 487 | recipe_dir = os.path.join(bs_dir, fname) |
| 488 | if not os.path.isdir(recipe_dir): |
| 489 | continue |
| 490 | name, epoch, version, revision = split_nevr(fname) |
| 491 | recipe_bs = {'name': name, |
| 492 | 'epoch': epoch, |
| 493 | 'version': version, |
| 494 | 'revision': revision, |
| 495 | 'tasks': {}} |
| 496 | for task in os.listdir(recipe_dir): |
| 497 | recipe_bs['tasks'][task] = bs_to_json(os.path.join(recipe_dir, |
| 498 | task)) |
| 499 | buildstats.append(recipe_bs) |
| 500 | |
| 501 | # Write buildstats into json file |
| 502 | postfix = '.' + str_to_fn(label) if label else '' |
| 503 | postfix += '.json' |
| 504 | outfile = os.path.join(self.out_dir, 'buildstats' + postfix) |
| 505 | with open(outfile, 'w') as fobj: |
| 506 | json.dump(buildstats, fobj, indent=4, sort_keys=True, |
| 507 | cls=ResultsJsonEncoder) |
| 508 | return outfile |
| 509 | |
| 510 | def rm_tmp(self): |
| 511 | """Cleanup temporary/intermediate files and directories""" |
| 512 | log.debug("Removing temporary and cache files") |
| 513 | for name in ['bitbake.lock', 'conf/sanity_info', |
| 514 | self.bb_vars['TMPDIR']]: |
| 515 | oe.path.remove(name, recurse=True) |
| 516 | |
| 517 | def rm_sstate(self): |
| 518 | """Remove sstate directory""" |
| 519 | log.debug("Removing sstate-cache") |
| 520 | oe.path.remove(self.bb_vars['SSTATE_DIR'], recurse=True) |
| 521 | |
| 522 | def rm_cache(self): |
| 523 | """Drop bitbake caches""" |
| 524 | oe.path.remove(self.bb_vars['PERSISTENT_DIR'], recurse=True) |
| 525 | |
| 526 | @staticmethod |
| 527 | def sync(): |
| 528 | """Sync and drop kernel caches""" |
| 529 | log.debug("Syncing and dropping kernel caches""") |
| 530 | KernelDropCaches.drop() |
| 531 | os.sync() |
| 532 | # Wait a bit for all the dirty blocks to be written onto disk |
| 533 | time.sleep(3) |
| 534 | |
| 535 | |
| 536 | class BuildPerfTestLoader(unittest.TestLoader): |
| 537 | """Test loader for build performance tests""" |
| 538 | sortTestMethodsUsing = None |
| 539 | |
| 540 | |
| 541 | class BuildPerfTestRunner(unittest.TextTestRunner): |
| 542 | """Test loader for build performance tests""" |
| 543 | sortTestMethodsUsing = None |
| 544 | |
| 545 | def __init__(self, out_dir, *args, **kwargs): |
| 546 | super(BuildPerfTestRunner, self).__init__(*args, **kwargs) |
| 547 | self.out_dir = out_dir |
| 548 | |
| 549 | def _makeResult(self): |
| 550 | return BuildPerfTestResult(self.out_dir, self.stream, self.descriptions, |
| 551 | self.verbosity) |