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569 lines
20 KiB
Python
569 lines
20 KiB
Python
#
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# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is mozilla.org code.
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#
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# The Initial Developer of the Original Code is The Mozilla Foundation
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# Portions created by the Initial Developer are Copyright (C) 2009
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Serge Gautherie <sgautherie.bz@free.fr>
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# Ted Mielczarek <ted.mielczarek@gmail.com>
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK ***** */
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from __future__ import with_statement
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import glob, logging, os, platform, shutil, subprocess, sys, tempfile, urllib2, zipfile
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import re
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from urlparse import urlparse
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from operator import itemgetter
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__all__ = [
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"ZipFileReader",
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"addCommonOptions",
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"checkForCrashes",
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"dumpLeakLog",
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"isURL",
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"processLeakLog",
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"getDebuggerInfo",
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"DEBUGGER_INFO",
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"replaceBackSlashes",
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"wrapCommand",
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"ShutdownLeakLogger"
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]
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# Map of debugging programs to information about them, like default arguments
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# and whether or not they are interactive.
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DEBUGGER_INFO = {
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# gdb requires that you supply the '--args' flag in order to pass arguments
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# after the executable name to the executable.
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"gdb": {
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"interactive": True,
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"args": "-q --args"
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},
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# valgrind doesn't explain much about leaks unless you set the
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# '--leak-check=full' flag.
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"valgrind": {
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"interactive": False,
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"args": "--leak-check=full"
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}
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}
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class ZipFileReader(object):
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"""
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Class to read zip files in Python 2.5 and later. Limited to only what we
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actually use.
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"""
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def __init__(self, filename):
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self._zipfile = zipfile.ZipFile(filename, "r")
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def __del__(self):
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self._zipfile.close()
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def _getnormalizedpath(self, path):
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"""
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Gets a normalized path from 'path' (or the current working directory if
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'path' is None). Also asserts that the path exists.
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"""
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if path is None:
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path = os.curdir
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path = os.path.normpath(os.path.expanduser(path))
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assert os.path.isdir(path)
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return path
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def _extractname(self, name, path):
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"""
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Extracts a file with the given name from the zip file to the given path.
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Also creates any directories needed along the way.
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"""
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filename = os.path.normpath(os.path.join(path, name))
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if name.endswith("/"):
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os.makedirs(filename)
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else:
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path = os.path.split(filename)[0]
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if not os.path.isdir(path):
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os.makedirs(path)
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with open(filename, "wb") as dest:
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dest.write(self._zipfile.read(name))
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def namelist(self):
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return self._zipfile.namelist()
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def read(self, name):
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return self._zipfile.read(name)
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def extract(self, name, path = None):
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if hasattr(self._zipfile, "extract"):
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return self._zipfile.extract(name, path)
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# This will throw if name is not part of the zip file.
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self._zipfile.getinfo(name)
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self._extractname(name, self._getnormalizedpath(path))
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def extractall(self, path = None):
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if hasattr(self._zipfile, "extractall"):
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return self._zipfile.extractall(path)
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path = self._getnormalizedpath(path)
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for name in self._zipfile.namelist():
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self._extractname(name, path)
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log = logging.getLogger()
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def isURL(thing):
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"""Return True if |thing| looks like a URL."""
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# We want to download URLs like http://... but not Windows paths like c:\...
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return len(urlparse(thing).scheme) >= 2
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def addCommonOptions(parser, defaults={}):
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parser.add_option("--xre-path",
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action = "store", type = "string", dest = "xrePath",
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# individual scripts will set a sane default
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default = None,
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help = "absolute path to directory containing XRE (probably xulrunner)")
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if 'SYMBOLS_PATH' not in defaults:
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defaults['SYMBOLS_PATH'] = None
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parser.add_option("--symbols-path",
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action = "store", type = "string", dest = "symbolsPath",
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default = defaults['SYMBOLS_PATH'],
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help = "absolute path to directory containing breakpad symbols, or the URL of a zip file containing symbols")
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parser.add_option("--debugger",
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action = "store", dest = "debugger",
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help = "use the given debugger to launch the application")
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parser.add_option("--debugger-args",
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action = "store", dest = "debuggerArgs",
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help = "pass the given args to the debugger _before_ "
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"the application on the command line")
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parser.add_option("--debugger-interactive",
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action = "store_true", dest = "debuggerInteractive",
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help = "prevents the test harness from redirecting "
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"stdout and stderr for interactive debuggers")
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def checkForCrashes(dumpDir, symbolsPath, testName=None):
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stackwalkPath = os.environ.get('MINIDUMP_STACKWALK', None)
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# try to get the caller's filename if no test name is given
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if testName is None:
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try:
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testName = os.path.basename(sys._getframe(1).f_code.co_filename)
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except:
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testName = "unknown"
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# Check preconditions
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dumps = glob.glob(os.path.join(dumpDir, '*.dmp'))
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if len(dumps) == 0:
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return False
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foundCrash = False
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removeSymbolsPath = False
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# If our symbols are at a remote URL, download them now
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if isURL(symbolsPath):
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print "Downloading symbols from: " + symbolsPath
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removeSymbolsPath = True
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# Get the symbols and write them to a temporary zipfile
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data = urllib2.urlopen(symbolsPath)
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symbolsFile = tempfile.TemporaryFile()
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symbolsFile.write(data.read())
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# extract symbols to a temporary directory (which we'll delete after
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# processing all crashes)
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symbolsPath = tempfile.mkdtemp()
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zfile = ZipFileReader(symbolsFile)
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zfile.extractall(symbolsPath)
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try:
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for d in dumps:
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log.info("PROCESS-CRASH | %s | application crashed (minidump found)", testName)
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print "Crash dump filename: " + d
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if symbolsPath and stackwalkPath and os.path.exists(stackwalkPath):
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# run minidump stackwalk
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p = subprocess.Popen([stackwalkPath, d, symbolsPath],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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(out, err) = p.communicate()
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if len(out) > 3:
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# minidump_stackwalk is chatty, so ignore stderr when it succeeds.
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print out
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else:
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print "stderr from minidump_stackwalk:"
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print err
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if p.returncode != 0:
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print "minidump_stackwalk exited with return code %d" % p.returncode
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else:
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if not symbolsPath:
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print "No symbols path given, can't process dump."
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if not stackwalkPath:
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print "MINIDUMP_STACKWALK not set, can't process dump."
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elif stackwalkPath and not os.path.exists(stackwalkPath):
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print "MINIDUMP_STACKWALK binary not found: %s" % stackwalkPath
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dumpSavePath = os.environ.get('MINIDUMP_SAVE_PATH', None)
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if dumpSavePath:
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shutil.move(d, dumpSavePath)
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print "Saved dump as %s" % os.path.join(dumpSavePath,
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os.path.basename(d))
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else:
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os.remove(d)
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extra = os.path.splitext(d)[0] + ".extra"
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if os.path.exists(extra):
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os.remove(extra)
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foundCrash = True
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finally:
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if removeSymbolsPath:
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shutil.rmtree(symbolsPath)
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return foundCrash
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def getFullPath(directory, path):
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"Get an absolute path relative to 'directory'."
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return os.path.normpath(os.path.join(directory, os.path.expanduser(path)))
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def searchPath(directory, path):
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"Go one step beyond getFullPath and try the various folders in PATH"
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# Try looking in the current working directory first.
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newpath = getFullPath(directory, path)
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if os.path.isfile(newpath):
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return newpath
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# At this point we have to fail if a directory was given (to prevent cases
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# like './gdb' from matching '/usr/bin/./gdb').
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if not os.path.dirname(path):
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for dir in os.environ['PATH'].split(os.pathsep):
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newpath = os.path.join(dir, path)
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if os.path.isfile(newpath):
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return newpath
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return None
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def getDebuggerInfo(directory, debugger, debuggerArgs, debuggerInteractive = False):
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debuggerInfo = None
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if debugger:
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debuggerPath = searchPath(directory, debugger)
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if not debuggerPath:
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print "Error: Path %s doesn't exist." % debugger
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sys.exit(1)
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debuggerName = os.path.basename(debuggerPath).lower()
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def getDebuggerInfo(type, default):
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if debuggerName in DEBUGGER_INFO and type in DEBUGGER_INFO[debuggerName]:
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return DEBUGGER_INFO[debuggerName][type]
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return default
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debuggerInfo = {
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"path": debuggerPath,
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"interactive" : getDebuggerInfo("interactive", False),
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"args": getDebuggerInfo("args", "").split()
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}
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if debuggerArgs:
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debuggerInfo["args"] = debuggerArgs.split()
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if debuggerInteractive:
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debuggerInfo["interactive"] = debuggerInteractive
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return debuggerInfo
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def dumpLeakLog(leakLogFile, filter = False):
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"""Process the leak log, without parsing it.
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Use this function if you want the raw log only.
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Use it preferably with the |XPCOM_MEM_LEAK_LOG| environment variable.
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"""
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# Don't warn (nor "info") if the log file is not there.
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if not os.path.exists(leakLogFile):
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return
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leaks = open(leakLogFile, "r")
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leakReport = leaks.read()
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leaks.close()
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# Only |XPCOM_MEM_LEAK_LOG| reports can be actually filtered out.
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# Only check whether an actual leak was reported.
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if filter and not "0 TOTAL " in leakReport:
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return
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# Simply copy the log.
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log.info(leakReport.rstrip("\n"))
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def processSingleLeakFile(leakLogFileName, PID, processType, leakThreshold):
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"""Process a single leak log, corresponding to the specified
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process PID and type.
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"""
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# Per-Inst Leaked Total Rem ...
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# 0 TOTAL 17 192 419115886 2 ...
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# 833 nsTimerImpl 60 120 24726 2 ...
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lineRe = re.compile(r"^\s*\d+\s+(?P<name>\S+)\s+"
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r"(?P<size>-?\d+)\s+(?P<bytesLeaked>-?\d+)\s+"
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r"-?\d+\s+(?P<numLeaked>-?\d+)")
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processString = ""
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if PID and processType:
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processString = "| %s process %s " % (processType, PID)
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leaks = open(leakLogFileName, "r")
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for line in leaks:
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matches = lineRe.match(line)
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if (matches and
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int(matches.group("numLeaked")) == 0 and
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matches.group("name") != "TOTAL"):
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continue
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log.info(line.rstrip())
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leaks.close()
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leaks = open(leakLogFileName, "r")
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seenTotal = False
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crashedOnPurpose = False
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prefix = "TEST-PASS"
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numObjects = 0
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for line in leaks:
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if line.find("purposefully crash") > -1:
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crashedOnPurpose = True
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matches = lineRe.match(line)
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if not matches:
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continue
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name = matches.group("name")
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size = int(matches.group("size"))
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bytesLeaked = int(matches.group("bytesLeaked"))
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numLeaked = int(matches.group("numLeaked"))
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if size < 0 or bytesLeaked < 0 or numLeaked < 0:
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log.info("TEST-UNEXPECTED-FAIL %s| automationutils.processLeakLog() | negative leaks caught!" %
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processString)
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if name == "TOTAL":
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seenTotal = True
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elif name == "TOTAL":
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seenTotal = True
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# Check for leaks.
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if bytesLeaked < 0 or bytesLeaked > leakThreshold:
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prefix = "TEST-UNEXPECTED-FAIL"
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leakLog = "TEST-UNEXPECTED-FAIL %s| automationutils.processLeakLog() | leaked" \
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" %d bytes during test execution" % (processString, bytesLeaked)
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elif bytesLeaked > 0:
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leakLog = "TEST-PASS %s| automationutils.processLeakLog() | WARNING leaked" \
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" %d bytes during test execution" % (processString, bytesLeaked)
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else:
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leakLog = "TEST-PASS %s| automationutils.processLeakLog() | no leaks detected!" \
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% processString
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# Remind the threshold if it is not 0, which is the default/goal.
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if leakThreshold != 0:
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leakLog += " (threshold set at %d bytes)" % leakThreshold
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# Log the information.
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log.info(leakLog)
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else:
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if numLeaked != 0:
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if numLeaked > 1:
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instance = "instances"
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rest = " each (%s bytes total)" % matches.group("bytesLeaked")
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else:
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instance = "instance"
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rest = ""
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numObjects += 1
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if numObjects > 5:
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# don't spam brief tinderbox logs with tons of leak output
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prefix = "TEST-INFO"
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log.info("%(prefix)s %(process)s| automationutils.processLeakLog() | leaked %(numLeaked)d %(instance)s of %(name)s "
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"with size %(size)s bytes%(rest)s" %
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{ "prefix": prefix,
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"process": processString,
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"numLeaked": numLeaked,
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"instance": instance,
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"name": name,
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"size": matches.group("size"),
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"rest": rest })
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if not seenTotal:
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if crashedOnPurpose:
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log.info("INFO | automationutils.processLeakLog() | process %s was " \
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"deliberately crashed and thus has no leak log" % PID)
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else:
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log.info("TEST-UNEXPECTED-FAIL %s| automationutils.processLeakLog() | missing output line for total leaks!" %
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processString)
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leaks.close()
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|
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def processLeakLog(leakLogFile, leakThreshold = 0):
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"""Process the leak log, including separate leak logs created
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by child processes.
|
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Use this function if you want an additional PASS/FAIL summary.
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It must be used with the |XPCOM_MEM_BLOAT_LOG| environment variable.
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"""
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if not os.path.exists(leakLogFile):
|
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log.info("WARNING | automationutils.processLeakLog() | refcount logging is off, so leaks can't be detected!")
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return
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(leakLogFileDir, leakFileBase) = os.path.split(leakLogFile)
|
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pidRegExp = re.compile(r".*?_([a-z]*)_pid(\d*)$")
|
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if leakFileBase[-4:] == ".log":
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leakFileBase = leakFileBase[:-4]
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pidRegExp = re.compile(r".*?_([a-z]*)_pid(\d*).log$")
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for fileName in os.listdir(leakLogFileDir):
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if fileName.find(leakFileBase) != -1:
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thisFile = os.path.join(leakLogFileDir, fileName)
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processPID = 0
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processType = None
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m = pidRegExp.search(fileName)
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if m:
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processType = m.group(1)
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processPID = m.group(2)
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processSingleLeakFile(thisFile, processPID, processType, leakThreshold)
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|
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def replaceBackSlashes(input):
|
|
return input.replace('\\', '/')
|
|
|
|
def wrapCommand(cmd):
|
|
"""
|
|
If running on OS X 10.5 or older, wrap |cmd| so that it will
|
|
be executed as an i386 binary, in case it's a 32-bit/64-bit universal
|
|
binary.
|
|
"""
|
|
if platform.system() == "Darwin" and \
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hasattr(platform, 'mac_ver') and \
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platform.mac_ver()[0][:4] < '10.6':
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return ["arch", "-arch", "i386"] + cmd
|
|
# otherwise just execute the command normally
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return cmd
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|
|
class ShutdownLeakLogger(object):
|
|
"""
|
|
Parses the mochitest run log when running a debug build, assigns all leaked
|
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DOM windows (that are still around after test suite shutdown, despite running
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the GC) to the tests that created them and prints leak statistics.
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|
"""
|
|
MAX_LEAK_COUNT = 10
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|
|
def __init__(self, logger):
|
|
self.logger = logger
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|
self.tests = []
|
|
self.leakedWindows = {}
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|
self.leakedDocShells = set()
|
|
self.currentTest = None
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|
self.seenShutdown = False
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|
|
|
def log(self, line):
|
|
if line[2:11] == "DOMWINDOW":
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|
self._logWindow(line)
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|
elif line[2:10] == "DOCSHELL":
|
|
self._logDocShell(line)
|
|
elif line.startswith("TEST-START"):
|
|
fileName = line.split(" ")[-1].strip().replace("chrome://mochitests/content/browser/", "")
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|
self.currentTest = {"fileName": fileName, "windows": set(), "docShells": set()}
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|
elif line.startswith("INFO TEST-END"):
|
|
# don't track a test if no windows or docShells leaked
|
|
if self.currentTest["windows"] or self.currentTest["docShells"]:
|
|
self.tests.append(self.currentTest)
|
|
self.currentTest = None
|
|
elif line.startswith("INFO TEST-START | Shutdown"):
|
|
self.seenShutdown = True
|
|
|
|
def parse(self):
|
|
leakingTests = self._parseLeakingTests()
|
|
|
|
if leakingTests:
|
|
totalWindows = sum(len(test["leakedWindows"]) for test in leakingTests)
|
|
totalDocShells = sum(len(test["leakedDocShells"]) for test in leakingTests)
|
|
msgType = "INFO" if totalWindows + totalDocShells <= self.MAX_LEAK_COUNT else "UNEXPECTED-FAIL"
|
|
self.logger.info("TEST-%s | ShutdownLeaks | leaked %d DOMWindow(s) and %d DocShell(s) until shutdown", msgType, totalWindows, totalDocShells)
|
|
|
|
for test in leakingTests:
|
|
self.logger.info("\n[%s]", test["fileName"])
|
|
|
|
for url, count in self._zipLeakedWindows(test["leakedWindows"]):
|
|
self.logger.info(" %d window(s) [url = %s]", count, url)
|
|
|
|
if test["leakedDocShells"]:
|
|
self.logger.info(" %d docShell(s)", len(test["leakedDocShells"]))
|
|
|
|
def _logWindow(self, line):
|
|
created = line[:2] == "++"
|
|
id = self._parseValue(line, "serial")
|
|
|
|
# log line has invalid format
|
|
if not id:
|
|
return
|
|
|
|
if self.currentTest:
|
|
windows = self.currentTest["windows"]
|
|
if created:
|
|
windows.add(id)
|
|
else:
|
|
windows.discard(id)
|
|
elif self.seenShutdown and not created:
|
|
self.leakedWindows[id] = self._parseValue(line, "url")
|
|
|
|
def _logDocShell(self, line):
|
|
created = line[:2] == "++"
|
|
id = self._parseValue(line, "id")
|
|
|
|
# log line has invalid format
|
|
if not id:
|
|
return
|
|
|
|
if self.currentTest:
|
|
docShells = self.currentTest["docShells"]
|
|
if created:
|
|
docShells.add(id)
|
|
else:
|
|
docShells.discard(id)
|
|
elif self.seenShutdown and not created:
|
|
self.leakedDocShells.add(id)
|
|
|
|
def _parseValue(self, line, name):
|
|
match = re.search("\[%s = (.+?)\]" % name, line)
|
|
if match:
|
|
return match.group(1)
|
|
return None
|
|
|
|
def _parseLeakingTests(self):
|
|
leakingTests = []
|
|
|
|
for test in self.tests:
|
|
test["leakedWindows"] = [self.leakedWindows[id] for id in test["windows"] if id in self.leakedWindows]
|
|
test["leakedDocShells"] = [id for id in test["docShells"] if id in self.leakedDocShells]
|
|
test["leakCount"] = len(test["leakedWindows"]) + len(test["leakedDocShells"])
|
|
|
|
if test["leakCount"]:
|
|
leakingTests.append(test)
|
|
|
|
return sorted(leakingTests, key=itemgetter("leakCount"), reverse=True)
|
|
|
|
def _zipLeakedWindows(self, leakedWindows):
|
|
counts = []
|
|
counted = set()
|
|
|
|
for url in leakedWindows:
|
|
if not url in counted:
|
|
counts.append((url, leakedWindows.count(url)))
|
|
counted.add(url)
|
|
|
|
return sorted(counts, key=itemgetter(1), reverse=True)
|