352 lines
16 KiB
Python
352 lines
16 KiB
Python
#! /usr/bin/env python3
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#
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# Copyright (c) 2016-2020, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
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# All rights reserved.
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#
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# This source code is licensed under the BSD-style license found in the
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# LICENSE file in the root directory of this source tree. An additional grant
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# of patent rights can be found in the PATENTS file in the same directory.
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#
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# Limitations:
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# - doesn't support filenames with spaces
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# - dir1/lz4 and dir2/lz4 will be merged in a single results file
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import argparse
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import os
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import string
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import subprocess
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import time
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import traceback
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import hashlib
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script_version = 'v1.7.2 (2016-11-08)'
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default_repo_url = 'https://github.com/lz4/lz4.git'
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working_dir_name = 'speedTest'
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working_path = os.getcwd() + '/' + working_dir_name # /path/to/lz4/tests/speedTest
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clone_path = working_path + '/' + 'lz4' # /path/to/lz4/tests/speedTest/lz4
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email_header = 'lz4_speedTest'
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pid = str(os.getpid())
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verbose = False
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clang_version = "unknown"
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gcc_version = "unknown"
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args = None
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def hashfile(hasher, fname, blocksize=65536):
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with open(fname, "rb") as f:
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for chunk in iter(lambda: f.read(blocksize), b""):
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hasher.update(chunk)
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return hasher.hexdigest()
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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_command=True, print_output=False, print_error=True, param_shell=True):
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if print_command:
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log("> " + command)
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popen = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=param_shell, cwd=execute.cwd)
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stdout_lines, stderr_lines = popen.communicate(timeout=args.timeout)
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stderr_lines = stderr_lines.decode("utf-8")
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stdout_lines = stdout_lines.decode("utf-8")
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if print_output:
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if stdout_lines:
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print(stdout_lines)
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if stderr_lines:
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print(stderr_lines)
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if popen.returncode is not None and popen.returncode != 0:
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if stderr_lines and not print_output and print_error:
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print(stderr_lines)
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raise RuntimeError(stdout_lines + stderr_lines)
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return (stdout_lines + stderr_lines).splitlines()
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execute.cwd = None
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def does_command_exist(command):
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try:
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execute(command, verbose, False, False)
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except Exception:
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return False
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return True
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def send_email(emails, topic, text, have_mutt, have_mail):
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logFileName = working_path + '/' + 'tmpEmailContent'
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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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if have_mutt:
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execute('mutt -s "' + topic + '" ' + emails + ' < ' + logFileName, verbose)
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elif have_mail:
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execute('mail -s "' + topic + '" ' + emails + ' < ' + logFileName, verbose)
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else:
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log("e-mail cannot be sent (mail or mutt not found)")
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def send_email_with_attachments(branch, commit, last_commit, args, text, results_files,
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logFileName, have_mutt, have_mail):
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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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email_topic = '[%s:%s] Warning for %s:%s last_commit=%s speed<%s ratio<%s' \
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% (email_header, pid, branch, commit, last_commit,
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args.lowerLimit, args.ratioLimit)
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if have_mutt:
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execute('mutt -s "' + email_topic + '" ' + args.emails + ' -a ' + results_files
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+ ' < ' + logFileName)
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elif have_mail:
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execute('mail -s "' + email_topic + '" ' + args.emails + ' < ' + logFileName)
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else:
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log("e-mail cannot be sent (mail or mutt not found)")
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def git_get_branches():
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execute('git fetch -p', verbose)
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branches = execute('git branch -rl', verbose)
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output = []
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for line in branches:
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if ("HEAD" not in line) and ("coverity_scan" not in line) and ("gh-pages" not in line):
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output.append(line.strip())
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return output
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def git_get_changes(branch, commit, last_commit):
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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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return str('Changes in %s since %s:\n' % (branch, last_commit)) + '\n'.join(commits)
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def get_last_results(resultsFileName):
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if not os.path.isfile(resultsFileName):
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return None, None, None, None
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commit = None
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csize = []
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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) <= 4: # branch + commit + compilerVer + md5
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commit = words[1]
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csize = []
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cspeed = []
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dspeed = []
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if (len(words) == 8) or (len(words) == 9): # results: "filename" or "XX files"
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csize.append(int(words[1]))
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cspeed.append(float(words[3]))
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dspeed.append(float(words[5]))
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return commit, csize, cspeed, dspeed
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def benchmark_and_compare(branch, commit, last_commit, args, executableName, md5sum, compilerVersion, resultsFileName,
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testFilePath, fileName, last_csize, last_cspeed, last_dspeed):
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sleepTime = 30
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while os.getloadavg()[0] > args.maxLoadAvg:
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log("WARNING: bench loadavg=%.2f is higher than %s, sleeping for %s seconds"
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% (os.getloadavg()[0], args.maxLoadAvg, sleepTime))
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time.sleep(sleepTime)
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start_load = str(os.getloadavg())
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result = execute('programs/%s -rqi5b1e%s %s' % (executableName, args.lastCLevel, testFilePath), print_output=True)
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end_load = str(os.getloadavg())
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linesExpected = args.lastCLevel + 1
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if len(result) != linesExpected:
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raise RuntimeError("ERROR: number of result lines=%d is different that expected %d\n%s" % (len(result), linesExpected, '\n'.join(result)))
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with open(resultsFileName, "a") as myfile:
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myfile.write('%s %s %s md5=%s\n' % (branch, commit, compilerVersion, md5sum))
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myfile.write('\n'.join(result) + '\n')
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myfile.close()
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if (last_cspeed == None):
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log("WARNING: No data for comparison for branch=%s file=%s " % (branch, fileName))
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return ""
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commit, csize, cspeed, dspeed = get_last_results(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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print("%s:%s -%d cSpeed=%6.2f cLast=%6.2f cDiff=%1.4f dSpeed=%6.2f dLast=%6.2f dDiff=%1.4f ratioDiff=%1.4f %s" % (branch, commit, i+1, cspeed[i], last_cspeed[i], cspeed[i]/last_cspeed[i], dspeed[i], last_dspeed[i], dspeed[i]/last_dspeed[i], float(last_csize[i])/csize[i], fileName))
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if (cspeed[i]/last_cspeed[i] < args.lowerLimit):
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text += "WARNING: %s -%d cSpeed=%.2f cLast=%.2f cDiff=%.4f %s\n" % (executableName, i+1, cspeed[i], last_cspeed[i], cspeed[i]/last_cspeed[i], fileName)
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if (dspeed[i]/last_dspeed[i] < args.lowerLimit):
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text += "WARNING: %s -%d dSpeed=%.2f dLast=%.2f dDiff=%.4f %s\n" % (executableName, i+1, dspeed[i], last_dspeed[i], dspeed[i]/last_dspeed[i], fileName)
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if (float(last_csize[i])/csize[i] < args.ratioLimit):
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text += "WARNING: %s -%d cSize=%d last_cSize=%d diff=%.4f %s\n" % (executableName, i+1, csize[i], last_csize[i], float(last_csize[i])/csize[i], fileName)
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if text:
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text = args.message + ("\nmaxLoadAvg=%s load average at start=%s end=%s\n%s last_commit=%s md5=%s\n" % (args.maxLoadAvg, start_load, end_load, compilerVersion, last_commit, md5sum)) + text
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return text
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def update_config_file(branch, commit):
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last_commit = None
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commitFileName = working_path + "/commit_" + branch.replace("/", "_") + ".txt"
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if os.path.isfile(commitFileName):
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with open(commitFileName, 'r') as infile:
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last_commit = infile.read()
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with open(commitFileName, 'w') as outfile:
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outfile.write(commit)
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return last_commit
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def double_check(branch, commit, args, executableName, md5sum, compilerVersion, resultsFileName, filePath, fileName):
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last_commit, csize, cspeed, dspeed = get_last_results(resultsFileName)
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if not args.dry_run:
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text = benchmark_and_compare(branch, commit, last_commit, args, executableName, md5sum, compilerVersion, resultsFileName, filePath, fileName, csize, cspeed, dspeed)
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if text:
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log("WARNING: redoing tests for branch %s: commit %s" % (branch, commit))
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text = benchmark_and_compare(branch, commit, last_commit, args, executableName, md5sum, compilerVersion, resultsFileName, filePath, fileName, csize, cspeed, dspeed)
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return text
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def test_commit(branch, commit, last_commit, args, testFilePaths, have_mutt, have_mail):
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local_branch = branch.split('/')[1]
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version = local_branch.rpartition('-')[2] + '_' + commit
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if not args.dry_run:
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execute('make -C programs clean lz4 CC=clang MOREFLAGS="-Werror -Wconversion -Wno-sign-conversion -DLZ4_GIT_COMMIT=%s" && ' % version +
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'mv programs/lz4 programs/lz4_clang && ' +
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'make -C programs clean lz4 lz4c32 MOREFLAGS="-DLZ4_GIT_COMMIT=%s"' % version)
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md5_lz4 = hashfile(hashlib.md5(), clone_path + '/programs/lz4')
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md5_lz4c32 = hashfile(hashlib.md5(), clone_path + '/programs/lz4c32')
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md5_lz4_clang = hashfile(hashlib.md5(), clone_path + '/programs/lz4_clang')
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print("md5(lz4)=%s\nmd5(lz4c32)=%s\nmd5(lz4_clang)=%s" % (md5_lz4, md5_lz4c32, md5_lz4_clang))
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print("gcc_version=%s clang_version=%s" % (gcc_version, clang_version))
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logFileName = working_path + "/log_" + branch.replace("/", "_") + ".txt"
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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 = working_path + "/results_" + branch.replace("/", "_") + "_" + fileName.replace(".", "_") + ".txt"
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text = double_check(branch, commit, args, 'lz4', md5_lz4, 'gcc_version='+gcc_version, resultsFileName, filePath, fileName)
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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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resultsFileName = working_path + "/results32_" + branch.replace("/", "_") + "_" + fileName.replace(".", "_") + ".txt"
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text = double_check(branch, commit, args, 'lz4c32', md5_lz4c32, 'gcc_version='+gcc_version, resultsFileName, filePath, fileName)
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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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resultsFileName = working_path + "/resultsClang_" + branch.replace("/", "_") + "_" + fileName.replace(".", "_") + ".txt"
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text = double_check(branch, commit, args, 'lz4_clang', md5_lz4_clang, 'clang_version='+clang_version, resultsFileName, filePath, fileName)
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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_with_attachments(branch, commit, last_commit, args, text_to_send, results_files, logFileName, have_mutt, have_mail)
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument('testFileNames', help='file or directory names list for speed benchmark')
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parser.add_argument('emails', help='list of e-mail addresses to send warnings')
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parser.add_argument('--message', '-m', help='attach an additional message to e-mail', default="")
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parser.add_argument('--repoURL', help='changes default repository URL', default=default_repo_url)
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parser.add_argument('--lowerLimit', '-l', type=float, help='send email if speed is lower than given limit', default=0.98)
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parser.add_argument('--ratioLimit', '-r', type=float, help='send email if ratio is lower than given limit', default=0.999)
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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', '-s', type=int, help='frequency of repository checking in seconds', default=300)
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parser.add_argument('--timeout', '-t', type=int, help='timeout for executing shell commands', default=1800)
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parser.add_argument('--dry-run', dest='dry_run', action='store_true', help='not build', default=False)
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parser.add_argument('--verbose', '-v', action='store_true', help='more verbose logs', default=False)
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args = parser.parse_args()
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verbose = args.verbose
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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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fileName = os.path.expanduser(fileName)
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if os.path.isfile(fileName) or os.path.isdir(fileName):
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testFilePaths.append(os.path.abspath(fileName))
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else:
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log("ERROR: File/directory not found: " + fileName)
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exit(1)
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# check availability of e-mail senders
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have_mutt = does_command_exist("mutt -h")
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have_mail = does_command_exist("mail -V")
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if not have_mutt and not have_mail:
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log("ERROR: e-mail senders 'mail' or 'mutt' not found")
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exit(1)
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clang_version = execute("clang -v 2>&1 | grep 'clang version' | sed -e 's:.*version \\([0-9.]*\\).*:\\1:' -e 's:\\.\\([0-9][0-9]\\):\\1:g'", verbose)[0];
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gcc_version = execute("gcc -dumpversion", verbose)[0];
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if verbose:
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print("PARAMETERS:\nrepoURL=%s" % args.repoURL)
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print("working_path=%s" % working_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("message=%s" % args.message)
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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("ratioLimit=%s" % args.ratioLimit)
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print("lastCLevel=%s" % args.lastCLevel)
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print("sleepTime=%s" % args.sleepTime)
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print("timeout=%s" % args.timeout)
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print("dry_run=%s" % args.dry_run)
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print("verbose=%s" % args.verbose)
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print("have_mutt=%s have_mail=%s" % (have_mutt, have_mail))
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# clone lz4 repo if needed
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if not os.path.isdir(working_path):
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os.mkdir(working_path)
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if not os.path.isdir(clone_path):
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execute.cwd = working_path
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execute('git clone ' + args.repoURL)
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if not os.path.isdir(clone_path):
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log("ERROR: lz4 clone not found: " + clone_path)
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exit(1)
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execute.cwd = clone_path
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# check if speedTest.pid already exists
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pidfile = "./speedTest.pid"
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if os.path.isfile(pidfile):
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log("ERROR: %s already exists, exiting" % pidfile)
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exit(1)
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send_email(args.emails, '[%s:%s] test-lz4-speed.py %s has been started' % (email_header, pid, script_version), args.message, have_mutt, have_mail)
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with open(pidfile, 'w') as the_file:
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the_file.write(pid)
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branch = ""
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commit = ""
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first_time = True
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while True:
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try:
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if first_time:
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first_time = False
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else:
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if verbose:
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log("sleep for %s seconds" % args.sleepTime)
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time.sleep(args.sleepTime)
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loadavg = os.getloadavg()[0]
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if (loadavg <= args.maxLoadAvg):
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branches = git_get_branches()
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for branch in branches:
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commit = execute('git show -s --format=%h ' + branch, verbose)[0]
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last_commit = update_config_file(branch, 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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execute('git checkout -- . && git checkout ' + branch)
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print(git_get_changes(branch, commit, last_commit))
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test_commit(branch, commit, last_commit, args, testFilePaths, have_mutt, have_mail)
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else:
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log("WARNING: main loadavg=%.2f is higher than %s" % (loadavg, args.maxLoadAvg))
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except Exception as e:
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stack = traceback.format_exc()
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email_topic = '[%s:%s] ERROR in %s:%s' % (email_header, pid, branch, commit)
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send_email(args.emails, email_topic, stack, have_mutt, have_mail)
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print(stack)
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except KeyboardInterrupt:
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os.unlink(pidfile)
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send_email(args.emails, '[%s:%s] test-lz4-speed.py %s has been stopped' % (email_header, pid, script_version), args.message, have_mutt, have_mail)
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exit(0)
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