2012-05-21 11:12:37 +00:00
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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2011-12-15 18:09:23 +00:00
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import os, sys, ctypes, ctypes.wintypes
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class VM_COUNTERS(ctypes.Structure):
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_fields_ = [("PeakVirtualSize", ctypes.wintypes.ULONG),
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("VirtualSize", ctypes.wintypes.ULONG),
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("PageFaultCount", ctypes.wintypes.ULONG),
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("PeakWorkingSetSize", ctypes.wintypes.ULONG),
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("WorkingSetSize", ctypes.wintypes.ULONG),
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("QuotaPeakPagedPoolUsage", ctypes.wintypes.ULONG),
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("QuotaPagedPoolUsage", ctypes.wintypes.ULONG),
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("QuotaPeakNonPagedPoolUsage", ctypes.wintypes.ULONG),
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("QuotaNonPagedPoolUsage", ctypes.wintypes.ULONG),
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("PagefileUsage", ctypes.wintypes.ULONG),
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("PeakPagefileUsage", ctypes.wintypes.ULONG)
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]
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def get_vmsize(handle):
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"""
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Return (peak_virtual_size, virtual_size) for the process |handle|.
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"""
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ProcessVmCounters = 3
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vmc = VM_COUNTERS()
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if ctypes.windll.ntdll.NtQueryInformationProcess(int(handle),
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ProcessVmCounters,
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ctypes.byref(vmc),
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ctypes.sizeof(vmc),
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None) == 0:
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return (vmc.PeakVirtualSize, vmc.VirtualSize)
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return (-1, -1)
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if __name__ == '__main__':
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PROCESS_QUERY_INFORMATION = 0x0400
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for pid in sys.argv[1:]:
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handle = ctypes.windll.kernel32.OpenProcess(PROCESS_QUERY_INFORMATION,
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0, # no inherit
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int(pid))
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if handle:
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print "Process %s:" % pid
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vsize, peak_vsize = get_vmsize(handle)
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print "peak vsize: %d" % peak_vsize
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ctypes.windll.kernel32.CloseHandle(handle)
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else:
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print "Couldn't open process %s" % pid
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