223 lines
9.4 KiB
Python
223 lines
9.4 KiB
Python
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#! /usr/bin/env python
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# execute(), fetch(), notify() are based on https://github.com/getlantern/build-automation/blob/master/build.py
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import argparse
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import os
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import string
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import time
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import traceback
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from subprocess import Popen, PIPE
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repo_url = 'https://github.com/Cyan4973/zstd.git'
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test_dir_name = 'speedTest'
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def log(text):
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print time.strftime("%Y/%m/%d %H:%M:%S") + ' - ' + text
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def execute(command, print_output=True):
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log("> " + command)
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popen = Popen(command, stdout=PIPE, stderr=PIPE, shell=True, cwd=execute.cwd)
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itout = iter(popen.stdout.readline, b"")
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iterr = iter(popen.stderr.readline, b"")
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stdout_lines = list(itout)
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if print_output:
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print ''.join(stdout_lines)
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stderr_lines = list(iterr)
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if stderr_lines:
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print ''.join(stderr_lines)
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popen.communicate()
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if popen.returncode is not None and popen.returncode != 0:
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raise RuntimeError(''.join(stderr_lines))
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return stdout_lines + stderr_lines
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execute.cwd = None
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def fetch():
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execute('git fetch -p')
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output = execute('git branch -rl')
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for line in output:
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if "HEAD" in line:
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output.remove(line) # remove "origin/HEAD -> origin/dev"
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branches = map(lambda l: l.strip(), output)
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return map(lambda b: (b, execute('git show -s --format=%h ' + b)[0].strip()), branches)
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def notify(branch, commit, last_commit):
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text_tmpl = string.Template('Changes since $last_commit:\r\n$commits')
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branch = branch.split('/')[1]
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fmt = '--format="%h: (%an) %s, %ar"'
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if last_commit is None:
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commits = execute('git log -n 10 %s %s' % (fmt, commit))
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else:
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commits = execute('git --no-pager log %s %s..%s' % (fmt, last_commit, commit))
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text = text_tmpl.substitute({'last_commit': last_commit, 'commits': ''.join(commits)})
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print str("commits for %s: %s" % (commit, text))
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def compile(branch, commit, dry_run):
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local_branch = string.split(branch, '/')[1]
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version = local_branch.rpartition('-')[2]
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version = version + '_' + commit
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execute('git checkout -- . && git checkout ' + branch)
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if not dry_run:
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execute('VERSION=' + version + '; make clean zstdprogram')
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def get_last_commit(resultsFileName):
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if not os.path.isfile(resultsFileName):
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return None, None, None
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commit = None
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cspeed = []
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dspeed = []
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with open(resultsFileName,'r') as f:
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for line in f:
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words = line.split()
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if len(words) == 2: # branch + commit
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commit = words[1];
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cspeed = []
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dspeed = []
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if (len(words) == 8):
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cspeed.append(float(words[3]))
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dspeed.append(float(words[5]))
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#if commit != None:
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# print "commit=%s cspeed=%s dspeed=%s" % (commit, cspeed, dspeed)
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return commit, cspeed, dspeed
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def benchmark_and_compare(branch, commit, resultsFileName, lastCLevel, testFilePath, fileName, last_cspeed, last_dspeed, lower_limit, maxLoadAvg):
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while os.getloadavg()[0] > maxLoadAvg:
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print "bench loadavg=%.2f is higher than %s" % (os.getloadavg()[0], maxLoadAvg)
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time.sleep(30)
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start_load = str(os.getloadavg())
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result = execute('programs/zstd -qb1e' + str(lastCLevel) + ' ' + testFilePath)
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end_load = str(os.getloadavg())
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linesExpected = lastCLevel + 2;
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if len(result) != linesExpected:
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print "len(result)=%d is different that expected %d" % (len(result), linesExpected)
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return ""
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with open(resultsFileName, "a") as myfile:
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myfile.write(branch + " " + commit + "\n")
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myfile.writelines(result)
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myfile.close()
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if (last_cspeed == None):
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return ""
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commit, cspeed, dspeed = get_last_commit(resultsFileName)
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text = ""
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for i in range(0, min(len(cspeed), len(last_cspeed))):
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if (cspeed[i]/last_cspeed[i] < lower_limit):
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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])
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if (dspeed[i]/last_dspeed[i] < lower_limit):
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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])
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if text:
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text += "maxLoadAvg=%s load average at start=%s end=%s\n" % (maxLoadAvg, start_load, end_load)
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return text
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def send_email(branch, commit, last_commit, emails, text, results_files, logFileName, lower_limit):
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with open(logFileName, "w") as myfile:
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myfile.writelines(text)
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myfile.close()
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execute("mutt -s \"[ZSTD_speedTest] Warning for branch=" + branch + " commit=" + commit + " last_commit=" + last_commit + " speed<" + str(lower_limit) + "\" " + emails + " -a " + results_files + " < " + logFileName)
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def main(args, test_path, clone_path, testFilePaths):
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print "test_path=%s" % test_path
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print "clone_path=%s" % clone_path
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print "testFilePath(%s)=%s" % (len(testFilePaths), testFilePaths)
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print "emails=%s" % args.emails
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print "maxLoadAvg=%s" % args.maxLoadAvg
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print "lowerLimit=%s" % args.lowerLimit
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print "lastCLevel=%s" % args.lastCLevel
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print "sleepTime=%s" % args.sleepTime
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print "dry_run=%s" % args.dry_run
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for branch, commit in fetch():
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log("checking branch %s: head %s" % (branch, commit))
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try:
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commitFileName = test_path + "/commit_" + branch.replace("/", "_")
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if os.path.isfile(commitFileName):
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last_commit = file(commitFileName, 'r').read()
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else:
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last_commit = None
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file(commitFileName, 'w').write(commit)
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if commit == last_commit:
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log("skipping branch %s: head %s already processed" % (branch, commit))
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else:
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log("build branch %s: head %s is different from prev %s" % (branch, commit, last_commit))
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compile(branch, commit, args.dry_run)
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logFileName = test_path + "/log_" + branch.replace("/", "_")
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text_to_send = []
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results_files = ""
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for filePath in testFilePaths:
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fileName = filePath.rpartition('/')[2]
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resultsFileName = test_path + "/results_" + branch.replace("/", "_") + "_" + fileName
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last_commit, cspeed, dspeed = get_last_commit(resultsFileName)
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if not args.dry_run:
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text = benchmark_and_compare(branch, commit, resultsFileName, args.lastCLevel, filePath, fileName, cspeed, dspeed, args.lowerLimit, args.maxLoadAvg)
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if text:
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text = benchmark_and_compare(branch, commit, resultsFileName, args.lastCLevel, filePath, fileName, cspeed, dspeed, args.lowerLimit, args.maxLoadAvg)
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if text:
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text_to_send.append(text)
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results_files += resultsFileName + " "
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if text_to_send:
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send_email(branch, commit, last_commit, args.emails, text_to_send, results_files, logFileName, args.lowerLimit)
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notify(branch, commit, last_commit)
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except Exception as e:
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stack = traceback.format_exc()
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log("Error build %s, error %s" % (branch, str(e)) )
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument('testFileNames', help='file names list for speed test')
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parser.add_argument('emails', help='e-mails to send warnings')
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parser.add_argument('--lowerLimit', type=float, help='send email if speed is lower than given limit e.g. 0.98', default=0.98)
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parser.add_argument('--maxLoadAvg', type=float, help='maximum load average to start testing', default=0.75)
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parser.add_argument('--lastCLevel', type=int, help='last compression level for testing', default=5)
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parser.add_argument('--sleepTime', type=int, help='frequency of checking in seconds', default=60)
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parser.add_argument('--dry-run', dest='dry_run', action='store_true', help='not build', default=False)
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args = parser.parse_args()
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# check if test files are accessible
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testFileNames = args.testFileNames.split()
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testFilePaths = []
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for fileName in testFileNames:
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if os.path.isfile(fileName):
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testFilePaths.append(os.path.abspath(fileName))
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else:
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raise RuntimeError("File not found: " + fileName)
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test_path = os.getcwd() + '/' + test_dir_name # /path/to/zstd/tests/speedTest
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clone_path = test_path + '/' + 'zstd' # /path/to/zstd/tests/speedTest/zstd
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execute.cwd = clone_path
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# clone ZSTD repo if needed
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if not os.path.isdir(test_path):
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os.mkdir(test_path)
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if not os.path.isdir(clone_path):
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execute('git clone ' + repo_url)
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if not os.path.isdir(clone_path):
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raise RuntimeError("ZSTD clone not found: " + clone_path)
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while True:
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pid = str(os.getpid())
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pidfile = "./speedTest.pid"
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if os.path.isfile(pidfile):
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print "%s already exists, exiting" % pidfile
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else:
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file(pidfile, 'w').write(pid)
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try:
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loadavg = os.getloadavg()[0]
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if (loadavg <= args.maxLoadAvg):
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main(args, test_path, clone_path, testFilePaths)
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else:
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print "loadavg=%.2f is higher than %s" % (loadavg, args.maxLoadAvg)
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finally:
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os.unlink(pidfile)
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time.sleep(args.sleepTime)
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