| #! /usr/bin/env python |
| # execute(), fetch(), notify() are based on https://github.com/getlantern/build-automation/blob/master/build.py |
| |
| import argparse |
| import os |
| import string |
| import time |
| import traceback |
| from subprocess import Popen, PIPE |
| |
| default_repo_url = 'https://github.com/Cyan4973/zstd.git' |
| test_dir_name = 'speedTest' |
| email_header = '[ZSTD_speedTest]' |
| |
| def log(text): |
| print time.strftime("%Y/%m/%d %H:%M:%S") + ' - ' + text |
| |
| def execute(command, print_output=False, print_error=True): |
| log("> " + command) |
| popen = Popen(command, stdout=PIPE, stderr=PIPE, shell=True, cwd=execute.cwd) |
| itout = iter(popen.stdout.readline, b"") |
| iterr = iter(popen.stderr.readline, b"") |
| stdout_lines = list(itout) |
| if print_output: |
| print ''.join(stdout_lines) |
| stderr_lines = list(iterr) |
| if print_output: |
| print ''.join(stderr_lines) |
| popen.communicate() |
| if popen.returncode is not None and popen.returncode != 0: |
| if not print_output and print_error: |
| print ''.join(stderr_lines) |
| raise RuntimeError(''.join(stderr_lines)) |
| return stdout_lines + stderr_lines |
| execute.cwd = None |
| |
| |
| def does_command_exist(command): |
| try: |
| execute(command, False, False); |
| except Exception as e: |
| return False |
| return True |
| |
| |
| def fetch(): |
| execute('git fetch -p') |
| output = execute('git branch -rl') |
| for line in output: |
| if "HEAD" in line: |
| output.remove(line) # remove "origin/HEAD -> origin/dev" |
| branches = map(lambda l: l.strip(), output) |
| return map(lambda b: (b, execute('git show -s --format=%h ' + b)[0].strip()), branches) |
| |
| |
| def notify(branch, commit, last_commit): |
| text_tmpl = string.Template('Changes since $last_commit:\r\n$commits') |
| branch = branch.split('/')[1] |
| fmt = '--format="%h: (%an) %s, %ar"' |
| if last_commit is None: |
| commits = execute('git log -n 10 %s %s' % (fmt, commit)) |
| else: |
| commits = execute('git --no-pager log %s %s..%s' % (fmt, last_commit, commit)) |
| |
| text = text_tmpl.substitute({'last_commit': last_commit, 'commits': ''.join(commits)}) |
| print str("commits for %s: %s" % (commit, text)) |
| |
| |
| def compile(branch, commit, dry_run): |
| local_branch = string.split(branch, '/')[1] |
| version = local_branch.rpartition('-')[2] |
| version = version + '_' + commit |
| execute('git checkout -- . && git checkout ' + branch) |
| if not dry_run: |
| execute('VERSION=' + version + '; make clean zstdprogram') |
| |
| |
| def get_last_commit(resultsFileName): |
| if not os.path.isfile(resultsFileName): |
| return None, None, None |
| commit = None |
| cspeed = [] |
| dspeed = [] |
| with open(resultsFileName,'r') as f: |
| for line in f: |
| words = line.split() |
| if len(words) == 2: # branch + commit |
| commit = words[1]; |
| cspeed = [] |
| dspeed = [] |
| if (len(words) == 8): |
| cspeed.append(float(words[3])) |
| dspeed.append(float(words[5])) |
| #if commit != None: |
| # print "commit=%s cspeed=%s dspeed=%s" % (commit, cspeed, dspeed) |
| return commit, cspeed, dspeed |
| |
| |
| def benchmark_and_compare(branch, commit, resultsFileName, lastCLevel, testFilePath, fileName, last_cspeed, last_dspeed, lower_limit, maxLoadAvg, message): |
| sleepTime = 30 |
| while os.getloadavg()[0] > maxLoadAvg: |
| log("WARNING: bench loadavg=%.2f is higher than %s, sleeping for %s seconds" % (os.getloadavg()[0], maxLoadAvg, sleepTime)) |
| time.sleep(sleepTime) |
| start_load = str(os.getloadavg()) |
| result = execute('programs/zstd -qi5b1e' + str(lastCLevel) + ' ' + testFilePath) |
| end_load = str(os.getloadavg()) |
| linesExpected = lastCLevel + 2; |
| if len(result) != linesExpected: |
| log("ERROR: number of result lines=%d is different that expected %d" % (len(result), linesExpected)) |
| return "" |
| with open(resultsFileName, "a") as myfile: |
| myfile.write(branch + " " + commit + "\n") |
| myfile.writelines(result) |
| myfile.close() |
| if (last_cspeed == None): |
| return "" |
| commit, cspeed, dspeed = get_last_commit(resultsFileName) |
| text = "" |
| for i in range(0, min(len(cspeed), len(last_cspeed))): |
| if (cspeed[i]/last_cspeed[i] < lower_limit): |
| text += "WARNING: File=%s level=%d cspeed=%s last=%s diff=%s\n" % (fileName, i+1, cspeed[i], last_cspeed[i], cspeed[i]/last_cspeed[i]) |
| if (dspeed[i]/last_dspeed[i] < lower_limit): |
| text += "WARNING: File=%s level=%d dspeed=%s last=%s diff=%s\n" % (fileName, i+1, dspeed[i], last_dspeed[i], dspeed[i]/last_dspeed[i]) |
| if text: |
| text = message + ("\nmaxLoadAvg=%s load average at start=%s end=%s\n" % (maxLoadAvg, start_load, end_load)) + text |
| return text |
| |
| |
| def send_simple_email(emails, email_topic, have_mutt, have_mail): |
| if have_mutt: |
| execute('mutt -s "' + email_header + ' ' + email_topic + '" ' + emails + ' </dev/null') |
| elif have_mail: |
| execute('mail -s "' + email_header + ' ' + email_topic + '" ' + emails + ' </dev/null') |
| else: |
| log("e-mail cannot be sent (mail and mutt not found)") |
| |
| |
| def send_email(branch, commit, last_commit, emails, text, results_files, logFileName, lower_limit, have_mutt, have_mail): |
| with open(logFileName, "w") as myfile: |
| myfile.writelines(text) |
| myfile.close() |
| if have_mutt: |
| execute('mutt -s "' + email_header + ' Warning for branch=' + branch + ' commit=' + commit + ' last_commit=' + last_commit + ' speed<' + str(lower_limit) + '" ' + emails + ' -a ' + results_files + ' < ' + logFileName) |
| elif have_mail: |
| execute('mail -s "' + email_header + ' Warning for branch=' + branch + ' commit=' + commit + ' last_commit=' + last_commit + ' speed<' + str(lower_limit) + '" ' + emails + ' < ' + logFileName) |
| else: |
| log("e-mail cannot be sent (mail and mutt not found)") |
| |
| |
| def check_branches(args, test_path, testFilePaths, have_mutt, have_mail): |
| for branch, commit in fetch(): |
| try: |
| commitFileName = test_path + "/commit_" + branch.replace("/", "_") |
| if os.path.isfile(commitFileName): |
| last_commit = file(commitFileName, 'r').read() |
| else: |
| last_commit = None |
| file(commitFileName, 'w').write(commit) |
| |
| if commit == last_commit: |
| log("skipping branch %s: head %s already processed" % (branch, commit)) |
| else: |
| log("build branch %s: head %s is different from prev %s" % (branch, commit, last_commit)) |
| compile(branch, commit, args.dry_run) |
| |
| logFileName = test_path + "/log_" + branch.replace("/", "_") |
| text_to_send = [] |
| results_files = "" |
| for filePath in testFilePaths: |
| fileName = filePath.rpartition('/')[2] |
| resultsFileName = test_path + "/results_" + branch.replace("/", "_") + "_" + fileName |
| last_commit, cspeed, dspeed = get_last_commit(resultsFileName) |
| |
| if not args.dry_run: |
| text = benchmark_and_compare(branch, commit, resultsFileName, args.lastCLevel, filePath, fileName, cspeed, dspeed, args.lowerLimit, args.maxLoadAvg, args.message) |
| if text: |
| text = benchmark_and_compare(branch, commit, resultsFileName, args.lastCLevel, filePath, fileName, cspeed, dspeed, args.lowerLimit, args.maxLoadAvg, args.message) |
| if text: |
| text_to_send.append(text) |
| results_files += resultsFileName + " " |
| if text_to_send: |
| send_email(branch, commit, last_commit, args.emails, text_to_send, results_files, logFileName, args.lowerLimit, have_mutt, have_mail) |
| notify(branch, commit, last_commit) |
| except Exception as e: |
| stack = traceback.format_exc() |
| log("ERROR: build %s, error %s" % (branch, str(e)) ) |
| print stack |
| |
| |
| if __name__ == '__main__': |
| parser = argparse.ArgumentParser() |
| parser.add_argument('testFileNames', help='file names list for speed benchmark') |
| parser.add_argument('emails', help='list of e-mail addresses to send warnings') |
| parser.add_argument('--message', help='attach an additional message to e-mail', default="") |
| parser.add_argument('--repoURL', help='changes default repository URL', default=default_repo_url) |
| parser.add_argument('--lowerLimit', type=float, help='send email if speed is lower than given limit', default=0.98) |
| parser.add_argument('--maxLoadAvg', type=float, help='maximum load average to start testing', default=0.75) |
| parser.add_argument('--lastCLevel', type=int, help='last compression level for testing', default=5) |
| parser.add_argument('--sleepTime', type=int, help='frequency of repository checking in seconds', default=300) |
| parser.add_argument('--dry-run', dest='dry_run', action='store_true', help='not build', default=False) |
| args = parser.parse_args() |
| |
| # check if test files are accessible |
| testFileNames = args.testFileNames.split() |
| testFilePaths = [] |
| for fileName in testFileNames: |
| if os.path.isfile(fileName): |
| testFilePaths.append(os.path.abspath(fileName)) |
| else: |
| log("ERROR: File not found: " + fileName) |
| exit(1) |
| |
| test_path = os.getcwd() + '/' + test_dir_name # /path/to/zstd/tests/speedTest |
| clone_path = test_path + '/' + 'zstd' # /path/to/zstd/tests/speedTest/zstd |
| |
| # check availability of e-mail senders |
| have_mutt = does_command_exist("mutt --help"); |
| have_mail = does_command_exist("mail -V"); |
| if not have_mutt and not have_mail: |
| log("ERROR: e-mail senders 'mail' or 'mutt' not found") |
| exit(1) |
| |
| print "PARAMETERS:\nrepoURL=%s" % args.repoURL |
| print "test_path=%s" % test_path |
| print "clone_path=%s" % clone_path |
| print "testFilePath(%s)=%s" % (len(testFilePaths), testFilePaths) |
| print "message=%s" % args.message |
| print "emails=%s" % args.emails |
| print "maxLoadAvg=%s" % args.maxLoadAvg |
| print "lowerLimit=%s" % args.lowerLimit |
| print "lastCLevel=%s" % args.lastCLevel |
| print "sleepTime=%s" % args.sleepTime |
| print "dry_run=%s" % args.dry_run |
| print "have_mutt=%s have_mail=%s" % (have_mutt, have_mail) |
| |
| # clone ZSTD repo if needed |
| if not os.path.isdir(test_path): |
| os.mkdir(test_path) |
| if not os.path.isdir(clone_path): |
| execute.cwd = test_path |
| execute('git clone ' + args.repoURL) |
| if not os.path.isdir(clone_path): |
| log("ERROR: ZSTD clone not found: " + clone_path) |
| exit(1) |
| execute.cwd = clone_path |
| |
| # check if speedTest.pid already exists |
| pid = str(os.getpid()) |
| pidfile = "./speedTest.pid" |
| if os.path.isfile(pidfile): |
| log("ERROR: %s already exists, exiting" % pidfile) |
| exit(1) |
| |
| send_simple_email(args.emails, "test-zstd-speed.py(%s) has been started" % pid, have_mutt, have_mail) |
| while True: |
| file(pidfile, 'w').write(pid) |
| try: |
| loadavg = os.getloadavg()[0] |
| if (loadavg <= args.maxLoadAvg): |
| check_branches(args, test_path, testFilePaths, have_mutt, have_mail) |
| else: |
| log("WARNING: main loadavg=%.2f is higher than %s" % (loadavg, args.maxLoadAvg)) |
| finally: |
| os.unlink(pidfile) |
| log("sleep for %s seconds" % args.sleepTime) |
| time.sleep(args.sleepTime) |