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nodejs/tools/run-valgrind.py
Anna Henningsen 9e9890a8ff
tools: improve valgrind support
- Generate and use a list of suppressions that reduce noisiness for
  known (non-)issues.
- Use `--zero-fill-buffers` for tests, as they sometimes use
  `Buffer.allocUnsafe()` and valgrind reports that as usage
  of uninitialized memory.

PR-URL: https://github.com/nodejs/node/pull/25498
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
2019-01-21 20:16:14 +01:00

67 lines
2.5 KiB
Python
Executable File

#!/usr/bin/env python
#
# Copyright 2009 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
from __future__ import print_function
from os import path
import subprocess
import sys
NODE_ROOT = path.dirname(path.dirname(path.abspath(__file__)))
VALGRIND_ARGUMENTS = [
'valgrind',
'--error-exitcode=1',
'--smc-check=all-non-file',
'--suppressions=' + path.join(NODE_ROOT, 'tools', 'valgrind.supp'),
'--gen-suppressions=all',
]
if len(sys.argv) < 2:
print('Please provide an executable to analyze.')
sys.exit(1)
executable = path.join(NODE_ROOT, sys.argv[1])
if not path.exists(executable):
print('Cannot find the file specified: %s' % executable)
sys.exit(1)
# Compute the command line.
command = VALGRIND_ARGUMENTS + [executable, '--zero-fill-buffers']
command += sys.argv[2:]
# Run valgrind.
process = subprocess.Popen(command, stderr=subprocess.PIPE)
code = process.wait()
errors = process.stderr.readlines()
# If valgrind produced an error, we report that to the user.
if code != 0:
sys.stderr.writelines(errors)
sys.exit(code)