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authorPrzemyslaw Skibinski <inikep@gmail.com>2016-11-08 12:50:45 (GMT)
committerPrzemyslaw Skibinski <inikep@gmail.com>2016-11-08 12:50:45 (GMT)
commit1d22fae1e610ae432fedb3b2a49889a9881d1c34 (patch)
treee36b19c4e236248ac44acfbbcdd2b9bf19bdcc84 /tests
parent85f861fc49c6a3ed07c0fadfdde25aab65af12be (diff)
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added test-lz4-speed.py
Diffstat (limited to 'tests')
-rw-r--r--tests/test-lz4-speed.py351
1 files changed, 351 insertions, 0 deletions
diff --git a/tests/test-lz4-speed.py b/tests/test-lz4-speed.py
new file mode 100644
index 0000000..465f390
--- /dev/null
+++ b/tests/test-lz4-speed.py
@@ -0,0 +1,351 @@
+#! /usr/bin/env python3
+
+#
+# Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree. An additional grant
+# of patent rights can be found in the PATENTS file in the same directory.
+#
+
+# Limitations:
+# - doesn't support filenames with spaces
+# - dir1/lz4 and dir2/lz4 will be merged in a single results file
+
+import argparse
+import os
+import string
+import subprocess
+import time
+import traceback
+import hashlib
+
+script_version = 'v1.7.2 (2016-11-08)'
+default_repo_url = 'https://github.com/lz4/lz4.git'
+working_dir_name = 'speedTest'
+working_path = os.getcwd() + '/' + working_dir_name # /path/to/lz4/tests/speedTest
+clone_path = working_path + '/' + 'lz4' # /path/to/lz4/tests/speedTest/lz4
+email_header = 'lz4_speedTest'
+pid = str(os.getpid())
+verbose = False
+clang_version = "unknown"
+gcc_version = "unknown"
+args = None
+
+
+def hashfile(hasher, fname, blocksize=65536):
+ with open(fname, "rb") as f:
+ for chunk in iter(lambda: f.read(blocksize), b""):
+ hasher.update(chunk)
+ return hasher.hexdigest()
+
+
+def log(text):
+ print(time.strftime("%Y/%m/%d %H:%M:%S") + ' - ' + text)
+
+
+def execute(command, print_command=True, print_output=False, print_error=True, param_shell=True):
+ if print_command:
+ log("> " + command)
+ popen = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=param_shell, cwd=execute.cwd)
+ stdout_lines, stderr_lines = popen.communicate(timeout=args.timeout)
+ stderr_lines = stderr_lines.decode("utf-8")
+ stdout_lines = stdout_lines.decode("utf-8")
+ if print_output:
+ if stdout_lines:
+ print(stdout_lines)
+ if stderr_lines:
+ print(stderr_lines)
+ if popen.returncode is not None and popen.returncode != 0:
+ if stderr_lines and not print_output and print_error:
+ print(stderr_lines)
+ raise RuntimeError(stdout_lines + stderr_lines)
+ return (stdout_lines + stderr_lines).splitlines()
+execute.cwd = None
+
+
+def does_command_exist(command):
+ try:
+ execute(command, verbose, False, False)
+ except Exception:
+ return False
+ return True
+
+
+def send_email(emails, topic, text, have_mutt, have_mail):
+ logFileName = working_path + '/' + 'tmpEmailContent'
+ with open(logFileName, "w") as myfile:
+ myfile.writelines(text)
+ myfile.close()
+ if have_mutt:
+ execute('mutt -s "' + topic + '" ' + emails + ' < ' + logFileName, verbose)
+ elif have_mail:
+ execute('mail -s "' + topic + '" ' + emails + ' < ' + logFileName, verbose)
+ else:
+ log("e-mail cannot be sent (mail or mutt not found)")
+
+
+def send_email_with_attachments(branch, commit, last_commit, args, text, results_files,
+ logFileName, have_mutt, have_mail):
+ with open(logFileName, "w") as myfile:
+ myfile.writelines(text)
+ myfile.close()
+ email_topic = '[%s:%s] Warning for %s:%s last_commit=%s speed<%s ratio<%s' \
+ % (email_header, pid, branch, commit, last_commit,
+ args.lowerLimit, args.ratioLimit)
+ if have_mutt:
+ execute('mutt -s "' + email_topic + '" ' + args.emails + ' -a ' + results_files
+ + ' < ' + logFileName)
+ elif have_mail:
+ execute('mail -s "' + email_topic + '" ' + args.emails + ' < ' + logFileName)
+ else:
+ log("e-mail cannot be sent (mail or mutt not found)")
+
+
+def git_get_branches():
+ execute('git fetch -p', verbose)
+ branches = execute('git branch -rl', verbose)
+ output = []
+ for line in branches:
+ if ("HEAD" not in line) and ("coverity_scan" not in line) and ("gh-pages" not in line):
+ output.append(line.strip())
+ return output
+
+
+def git_get_changes(branch, commit, last_commit):
+ 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))
+ return str('Changes in %s since %s:\n' % (branch, last_commit)) + '\n'.join(commits)
+
+
+def get_last_results(resultsFileName):
+ if not os.path.isfile(resultsFileName):
+ return None, None, None, None
+ commit = None
+ csize = []
+ cspeed = []
+ dspeed = []
+ with open(resultsFileName, 'r') as f:
+ for line in f:
+ words = line.split()
+ if len(words) <= 4: # branch + commit + compilerVer + md5
+ commit = words[1]
+ csize = []
+ cspeed = []
+ dspeed = []
+ if (len(words) == 8) or (len(words) == 9): # results: "filename" or "XX files"
+ csize.append(int(words[1]))
+ cspeed.append(float(words[3]))
+ dspeed.append(float(words[5]))
+ return commit, csize, cspeed, dspeed
+
+
+def benchmark_and_compare(branch, commit, last_commit, args, executableName, md5sum, compilerVersion, resultsFileName,
+ testFilePath, fileName, last_csize, last_cspeed, last_dspeed):
+ sleepTime = 30
+ while os.getloadavg()[0] > args.maxLoadAvg:
+ log("WARNING: bench loadavg=%.2f is higher than %s, sleeping for %s seconds"
+ % (os.getloadavg()[0], args.maxLoadAvg, sleepTime))
+ time.sleep(sleepTime)
+ start_load = str(os.getloadavg())
+ result = execute('programs/%s -rqi5b1e%s %s' % (executableName, args.lastCLevel, testFilePath), print_output=True)
+ end_load = str(os.getloadavg())
+ linesExpected = args.lastCLevel + 1
+ if len(result) != linesExpected:
+ raise RuntimeError("ERROR: number of result lines=%d is different that expected %d\n%s" % (len(result), linesExpected, '\n'.join(result)))
+ with open(resultsFileName, "a") as myfile:
+ myfile.write('%s %s %s md5=%s\n' % (branch, commit, compilerVersion, md5sum))
+ myfile.write('\n'.join(result) + '\n')
+ myfile.close()
+ if (last_cspeed == None):
+ log("WARNING: No data for comparison for branch=%s file=%s " % (branch, fileName))
+ return ""
+ commit, csize, cspeed, dspeed = get_last_results(resultsFileName)
+ text = ""
+ for i in range(0, min(len(cspeed), len(last_cspeed))):
+ 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))
+ if (cspeed[i]/last_cspeed[i] < args.lowerLimit):
+ 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)
+ if (dspeed[i]/last_dspeed[i] < args.lowerLimit):
+ 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)
+ if (float(last_csize[i])/csize[i] < args.ratioLimit):
+ 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)
+ if text:
+ 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
+ return text
+
+
+def update_config_file(branch, commit):
+ last_commit = None
+ commitFileName = working_path + "/commit_" + branch.replace("/", "_") + ".txt"
+ if os.path.isfile(commitFileName):
+ with open(commitFileName, 'r') as infile:
+ last_commit = infile.read()
+ with open(commitFileName, 'w') as outfile:
+ outfile.write(commit)
+ return last_commit
+
+
+def double_check(branch, commit, args, executableName, md5sum, compilerVersion, resultsFileName, filePath, fileName):
+ last_commit, csize, cspeed, dspeed = get_last_results(resultsFileName)
+ if not args.dry_run:
+ text = benchmark_and_compare(branch, commit, last_commit, args, executableName, md5sum, compilerVersion, resultsFileName, filePath, fileName, csize, cspeed, dspeed)
+ if text:
+ log("WARNING: redoing tests for branch %s: commit %s" % (branch, commit))
+ text = benchmark_and_compare(branch, commit, last_commit, args, executableName, md5sum, compilerVersion, resultsFileName, filePath, fileName, csize, cspeed, dspeed)
+ return text
+
+
+def test_commit(branch, commit, last_commit, args, testFilePaths, have_mutt, have_mail):
+ local_branch = branch.split('/')[1]
+ version = local_branch.rpartition('-')[2] + '_' + commit
+ if not args.dry_run:
+ execute('make -C programs clean lz4 CC=clang MOREFLAGS="-Werror -Wconversion -Wno-sign-conversion -DLZ4_GIT_COMMIT=%s" && ' % version +
+ 'mv programs/lz4 programs/lz4_clang && ' +
+ 'make -C programs clean lz4 lz4c32 MOREFLAGS="-DLZ4_GIT_COMMIT=%s"' % version)
+ md5_lz4 = hashfile(hashlib.md5(), clone_path + '/programs/lz4')
+ md5_lz4c32 = hashfile(hashlib.md5(), clone_path + '/programs/lz4c32')
+ md5_lz4_clang = hashfile(hashlib.md5(), clone_path + '/programs/lz4_clang')
+ print("md5(lz4)=%s\nmd5(lz4c32)=%s\nmd5(lz4_clang)=%s" % (md5_lz4, md5_lz4c32, md5_lz4_clang))
+ print("gcc_version=%s clang_version=%s" % (gcc_version, clang_version))
+
+ logFileName = working_path + "/log_" + branch.replace("/", "_") + ".txt"
+ text_to_send = []
+ results_files = ""
+
+ for filePath in testFilePaths:
+ fileName = filePath.rpartition('/')[2]
+ resultsFileName = working_path + "/results_" + branch.replace("/", "_") + "_" + fileName.replace(".", "_") + ".txt"
+ text = double_check(branch, commit, args, 'lz4', md5_lz4, 'gcc_version='+gcc_version, resultsFileName, filePath, fileName)
+ if text:
+ text_to_send.append(text)
+ results_files += resultsFileName + " "
+ resultsFileName = working_path + "/results32_" + branch.replace("/", "_") + "_" + fileName.replace(".", "_") + ".txt"
+ text = double_check(branch, commit, args, 'lz4c32', md5_lz4c32, 'gcc_version='+gcc_version, resultsFileName, filePath, fileName)
+ if text:
+ text_to_send.append(text)
+ results_files += resultsFileName + " "
+ resultsFileName = working_path + "/resultsClang_" + branch.replace("/", "_") + "_" + fileName.replace(".", "_") + ".txt"
+ text = double_check(branch, commit, args, 'lz4_clang', md5_lz4_clang, 'clang_version='+clang_version, resultsFileName, filePath, fileName)
+ if text:
+ text_to_send.append(text)
+ results_files += resultsFileName + " "
+ if text_to_send:
+ send_email_with_attachments(branch, commit, last_commit, args, text_to_send, results_files, logFileName, have_mutt, have_mail)
+
+
+if __name__ == '__main__':
+ parser = argparse.ArgumentParser()
+ parser.add_argument('testFileNames', help='file or directory names list for speed benchmark')
+ parser.add_argument('emails', help='list of e-mail addresses to send warnings')
+ parser.add_argument('--message', '-m', 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', '-l', type=float, help='send email if speed is lower than given limit', default=0.98)
+ parser.add_argument('--ratioLimit', '-r', type=float, help='send email if ratio is lower than given limit', default=0.999)
+ 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', '-s', type=int, help='frequency of repository checking in seconds', default=300)
+ parser.add_argument('--timeout', '-t', type=int, help='timeout for executing shell commands', default=1800)
+ parser.add_argument('--dry-run', dest='dry_run', action='store_true', help='not build', default=False)
+ parser.add_argument('--verbose', '-v', action='store_true', help='more verbose logs', default=False)
+ args = parser.parse_args()
+ verbose = args.verbose
+
+ # check if test files are accessible
+ testFileNames = args.testFileNames.split()
+ testFilePaths = []
+ for fileName in testFileNames:
+ fileName = os.path.expanduser(fileName)
+ if os.path.isfile(fileName) or os.path.isdir(fileName):
+ testFilePaths.append(os.path.abspath(fileName))
+ else:
+ log("ERROR: File/directory not found: " + fileName)
+ exit(1)
+
+ # check availability of e-mail senders
+ have_mutt = does_command_exist("mutt -h")
+ 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)
+
+ 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];
+ gcc_version = execute("gcc -dumpversion", verbose)[0];
+
+ if verbose:
+ print("PARAMETERS:\nrepoURL=%s" % args.repoURL)
+ print("working_path=%s" % working_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("ratioLimit=%s" % args.ratioLimit)
+ print("lastCLevel=%s" % args.lastCLevel)
+ print("sleepTime=%s" % args.sleepTime)
+ print("timeout=%s" % args.timeout)
+ print("dry_run=%s" % args.dry_run)
+ print("verbose=%s" % args.verbose)
+ print("have_mutt=%s have_mail=%s" % (have_mutt, have_mail))
+
+ # clone lz4 repo if needed
+ if not os.path.isdir(working_path):
+ os.mkdir(working_path)
+ if not os.path.isdir(clone_path):
+ execute.cwd = working_path
+ execute('git clone ' + args.repoURL)
+ if not os.path.isdir(clone_path):
+ log("ERROR: lz4 clone not found: " + clone_path)
+ exit(1)
+ execute.cwd = clone_path
+
+ # check if speedTest.pid already exists
+ pidfile = "./speedTest.pid"
+ if os.path.isfile(pidfile):
+ log("ERROR: %s already exists, exiting" % pidfile)
+ exit(1)
+
+ 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)
+ with open(pidfile, 'w') as the_file:
+ the_file.write(pid)
+
+ branch = ""
+ commit = ""
+ first_time = True
+ while True:
+ try:
+ if first_time:
+ first_time = False
+ else:
+ time.sleep(args.sleepTime)
+ loadavg = os.getloadavg()[0]
+ if (loadavg <= args.maxLoadAvg):
+ branches = git_get_branches()
+ for branch in branches:
+ commit = execute('git show -s --format=%h ' + branch, verbose)[0]
+ last_commit = update_config_file(branch, 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))
+ execute('git checkout -- . && git checkout ' + branch)
+ print(git_get_changes(branch, commit, last_commit))
+ test_commit(branch, commit, last_commit, args, testFilePaths, have_mutt, have_mail)
+ else:
+ log("WARNING: main loadavg=%.2f is higher than %s" % (loadavg, args.maxLoadAvg))
+ if verbose:
+ log("sleep for %s seconds" % args.sleepTime)
+ except Exception as e:
+ stack = traceback.format_exc()
+ email_topic = '[%s:%s] ERROR in %s:%s' % (email_header, pid, branch, commit)
+ send_email(args.emails, email_topic, stack, have_mutt, have_mail)
+ print(stack)
+ except KeyboardInterrupt:
+ os.unlink(pidfile)
+ 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)
+ exit(0)