gecko/build/automationutils.py

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#
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is The Mozilla Foundation
# Portions created by the Initial Developer are Copyright (C) 2009
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Serge Gautherie <sgautherie.bz@free.fr>
# Ted Mielczarek <ted.mielczarek@gmail.com>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK ***** */
import glob, logging, os, subprocess, sys
import re
__all__ = [
"addCommonOptions",
"checkForCrashes",
"dumpLeakLog",
"processLeakLog",
"getDebuggerInfo",
"DEBUGGER_INFO",
]
# Map of debugging programs to information about them, like default arguments
# and whether or not they are interactive.
DEBUGGER_INFO = {
# gdb requires that you supply the '--args' flag in order to pass arguments
# after the executable name to the executable.
"gdb": {
"interactive": True,
"args": "-q --args"
},
# valgrind doesn't explain much about leaks unless you set the
# '--leak-check=full' flag.
"valgrind": {
"interactive": False,
"args": "--leak-check=full"
}
}
log = logging.getLogger()
def addCommonOptions(parser, defaults={}):
parser.add_option("--xre-path",
action = "store", type = "string", dest = "xrePath",
# individual scripts will set a sane default
default = None,
help = "absolute path to directory containing XRE (probably xulrunner)")
if 'SYMBOLS_PATH' not in defaults:
defaults['SYMBOLS_PATH'] = None
parser.add_option("--symbols-path",
action = "store", type = "string", dest = "symbolsPath",
default = defaults['SYMBOLS_PATH'],
help = "absolute path to directory containing breakpad symbols")
parser.add_option("--debugger",
action = "store", dest = "debugger",
help = "use the given debugger to launch the application")
parser.add_option("--debugger-args",
action = "store", dest = "debuggerArgs",
help = "pass the given args to the debugger _before_ "
"the application on the command line")
parser.add_option("--debugger-interactive",
action = "store_true", dest = "debuggerInteractive",
help = "prevents the test harness from redirecting "
"stdout and stderr for interactive debuggers")
def checkForCrashes(dumpDir, symbolsPath, testName=None):
stackwalkPath = os.environ.get('MINIDUMP_STACKWALK', None)
# try to get the caller's filename if no test name is given
if testName is None:
try:
testName = os.path.basename(sys._getframe(1).f_code.co_filename)
except:
testName = "unknown"
foundCrash = False
dumps = glob.glob(os.path.join(dumpDir, '*.dmp'))
for d in dumps:
log.info("TEST-UNEXPECTED-FAIL | %s | application crashed (minidump found)", testName)
if symbolsPath and stackwalkPath and os.path.exists(stackwalkPath):
nullfd = open(os.devnull, 'w')
# eat minidump_stackwalk errors
subprocess.call([stackwalkPath, d, symbolsPath], stderr=nullfd)
nullfd.close()
else:
if not symbolsPath:
print "No symbols path given, can't process dump."
if not stackwalkPath:
print "MINIDUMP_STACKWALK not set, can't process dump."
else:
if not os.path.exists(stackwalkPath):
print "MINIDUMP_STACKWALK binary not found: %s" % stackwalkPath
os.remove(d)
extra = os.path.splitext(d)[0] + ".extra"
if os.path.exists(extra):
os.remove(extra)
foundCrash = True
return foundCrash
def getFullPath(directory, path):
"Get an absolute path relative to 'directory'."
return os.path.normpath(os.path.join(directory, os.path.expanduser(path)))
def searchPath(directory, path):
"Go one step beyond getFullPath and try the various folders in PATH"
# Try looking in the current working directory first.
newpath = getFullPath(directory, path)
if os.path.exists(newpath):
return newpath
# At this point we have to fail if a directory was given (to prevent cases
# like './gdb' from matching '/usr/bin/./gdb').
if not os.path.dirname(path):
for dir in os.environ['PATH'].split(os.pathsep):
newpath = os.path.join(dir, path)
if os.path.exists(newpath):
return newpath
return None
def getDebuggerInfo(directory, debugger, debuggerArgs, debuggerInteractive = False):
debuggerInfo = None
if debugger:
debuggerPath = searchPath(directory, debugger)
if not debuggerPath:
print "Error: Path %s doesn't exist." % debugger
sys.exit(1)
debuggerName = os.path.basename(debuggerPath).lower()
def getDebuggerInfo(type, default):
if debuggerName in DEBUGGER_INFO and type in DEBUGGER_INFO[debuggerName]:
return DEBUGGER_INFO[debuggerName][type]
return default
debuggerInfo = {
"path": debuggerPath,
"interactive" : getDebuggerInfo("interactive", False),
"args": getDebuggerInfo("args", "").split()
}
if debuggerArgs:
debuggerInfo["args"] = debuggerArgs.split()
if debuggerInteractive:
debuggerInfo["interactive"] = debuggerInteractive
return debuggerInfo
def dumpLeakLog(leakLogFile, filter = False):
"""Process the leak log, without parsing it.
Use this function if you want the raw log only.
Use it preferably with the |XPCOM_MEM_LEAK_LOG| environment variable.
"""
# Don't warn (nor "info") if the log file is not there.
if not os.path.exists(leakLogFile):
return
leaks = open(leakLogFile, "r")
leakReport = leaks.read()
leaks.close()
# Only |XPCOM_MEM_LEAK_LOG| reports can be actually filtered out.
# Only check whether an actual leak was reported.
if filter and not "0 TOTAL " in leakReport:
return
# Simply copy the log.
log.info(leakReport.rstrip("\n"))
def processSingleLeakFile(leakLogFileName, PID, processType, leakThreshold):
"""Process a single leak log, corresponding to the specified
process PID and type.
"""
# Per-Inst Leaked Total Rem ...
# 0 TOTAL 17 192 419115886 2 ...
# 833 nsTimerImpl 60 120 24726 2 ...
lineRe = re.compile(r"^\s*\d+\s+(?P<name>\S+)\s+"
r"(?P<size>-?\d+)\s+(?P<bytesLeaked>-?\d+)\s+"
r"-?\d+\s+(?P<numLeaked>-?\d+)")
processString = ""
if PID and processType:
processString = "| %s process %s " % (processType, PID)
leaks = open(leakLogFileName, "r")
for line in leaks:
matches = lineRe.match(line)
if (matches and
int(matches.group("numLeaked")) == 0 and
matches.group("name") != "TOTAL"):
continue
log.info(line.rstrip())
leaks.close()
leaks = open(leakLogFileName, "r")
seenTotal = False
crashedOnPurpose = False
prefix = "TEST-PASS"
for line in leaks:
if line.find("purposefully crash") > -1:
crashedOnPurpose = True
matches = lineRe.match(line)
if not matches:
continue
name = matches.group("name")
size = int(matches.group("size"))
bytesLeaked = int(matches.group("bytesLeaked"))
numLeaked = int(matches.group("numLeaked"))
if size < 0 or bytesLeaked < 0 or numLeaked < 0:
log.info("TEST-UNEXPECTED-FAIL %s| automationutils.processLeakLog() | negative leaks caught!" %
processString)
if name == "TOTAL":
seenTotal = True
elif name == "TOTAL":
seenTotal = True
# Check for leaks.
if bytesLeaked < 0 or bytesLeaked > leakThreshold:
prefix = "TEST-UNEXPECTED-FAIL"
leakLog = "TEST-UNEXPECTED-FAIL %s| automationutils.processLeakLog() | leaked" \
" %d bytes during test execution" % (processString, bytesLeaked)
elif bytesLeaked > 0:
leakLog = "TEST-PASS %s| automationutils.processLeakLog() | WARNING leaked" \
" %d bytes during test execution" % (processString, bytesLeaked)
else:
leakLog = "TEST-PASS %s| automationutils.processLeakLog() | no leaks detected!" \
% processString
# Remind the threshold if it is not 0, which is the default/goal.
if leakThreshold != 0:
leakLog += " (threshold set at %d bytes)" % leakThreshold
# Log the information.
log.info(leakLog)
else:
if numLeaked != 0:
if numLeaked > 1:
instance = "instances"
rest = " each (%s bytes total)" % matches.group("bytesLeaked")
else:
instance = "instance"
rest = ""
log.info("%(prefix)s %(process)s| automationutils.processLeakLog() | leaked %(numLeaked)d %(instance)s of %(name)s "
"with size %(size)s bytes%(rest)s" %
{ "prefix": prefix,
"process": processString,
"numLeaked": numLeaked,
"instance": instance,
"name": name,
"size": matches.group("size"),
"rest": rest })
if not seenTotal:
if crashedOnPurpose:
log.info("INFO | automationutils.processLeakLog() | process %s was " \
"deliberately crashed and thus has no leak log" % PID)
else:
log.info("TEST-UNEXPECTED-FAIL %s| automationutils.processLeakLog() | missing output line for total leaks!" %
processString)
leaks.close()
def processLeakLog(leakLogFile, leakThreshold = 0):
"""Process the leak log, including separate leak logs created
by child processes.
Use this function if you want an additional PASS/FAIL summary.
It must be used with the |XPCOM_MEM_BLOAT_LOG| environment variable.
"""
if not os.path.exists(leakLogFile):
log.info("WARNING | automationutils.processLeakLog() | refcount logging is off, so leaks can't be detected!")
return
(leakLogFileDir, leakFileBase) = os.path.split(leakLogFile)
pidRegExp = re.compile(r".*?_([a-z]*)_pid(\d*)$")
if leakFileBase[-4:] == ".log":
leakFileBase = leakFileBase[:-4]
pidRegExp = re.compile(r".*?_([a-z]*)_pid(\d*).log$")
for fileName in os.listdir(leakLogFileDir):
if fileName.find(leakFileBase) != -1:
thisFile = os.path.join(leakLogFileDir, fileName)
processPID = 0
processType = None
m = pidRegExp.search(fileName)
if m:
processType = m.group(1)
processPID = m.group(2)
processSingleLeakFile(thisFile, processPID, processType, leakThreshold)