gecko/build/win32/procmem.py

83 lines
3.7 KiB
Python

# ***** 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 cl.py: a python wrapper for cl to automatically generate
# dependency information.
#
# The Initial Developer of the Original Code is
# Mozilla Foundation.
# Portions created by the Initial Developer are Copyright (C) 2010
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Ted Mielczarek <ted@mielczarek.org>
#
# 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 os, sys, ctypes, ctypes.wintypes
class VM_COUNTERS(ctypes.Structure):
_fields_ = [("PeakVirtualSize", ctypes.wintypes.ULONG),
("VirtualSize", ctypes.wintypes.ULONG),
("PageFaultCount", ctypes.wintypes.ULONG),
("PeakWorkingSetSize", ctypes.wintypes.ULONG),
("WorkingSetSize", ctypes.wintypes.ULONG),
("QuotaPeakPagedPoolUsage", ctypes.wintypes.ULONG),
("QuotaPagedPoolUsage", ctypes.wintypes.ULONG),
("QuotaPeakNonPagedPoolUsage", ctypes.wintypes.ULONG),
("QuotaNonPagedPoolUsage", ctypes.wintypes.ULONG),
("PagefileUsage", ctypes.wintypes.ULONG),
("PeakPagefileUsage", ctypes.wintypes.ULONG)
]
def get_vmsize(handle):
"""
Return (peak_virtual_size, virtual_size) for the process |handle|.
"""
ProcessVmCounters = 3
vmc = VM_COUNTERS()
if ctypes.windll.ntdll.NtQueryInformationProcess(int(handle),
ProcessVmCounters,
ctypes.byref(vmc),
ctypes.sizeof(vmc),
None) == 0:
return (vmc.PeakVirtualSize, vmc.VirtualSize)
return (-1, -1)
if __name__ == '__main__':
PROCESS_QUERY_INFORMATION = 0x0400
for pid in sys.argv[1:]:
handle = ctypes.windll.kernel32.OpenProcess(PROCESS_QUERY_INFORMATION,
0, # no inherit
int(pid))
if handle:
print "Process %s:" % pid
vsize, peak_vsize = get_vmsize(handle)
print "peak vsize: %d" % peak_vsize
ctypes.windll.kernel32.CloseHandle(handle)
else:
print "Couldn't open process %s" % pid