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bug 710712 - Measure peak virtual memory usage of link.exe, print and output to a file. r=catlee
This commit is contained in:
Ted Mielczarek
parent
93422a504e
commit
fa0417050e
79
build/link.py
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79
build/link.py
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@ -0,0 +1,79 @@
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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 cl.py: a python wrapper for cl to automatically generate
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# dependency information.
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#
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# The Initial Developer of the Original Code is
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# Mozilla Foundation.
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# Portions created by the Initial Developer are Copyright (C) 2010
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Ted Mielczarek <ted@mielczarek.org>
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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 os, platform, subprocess, sys, threading, time
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from win32 import procmem
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def measure_vsize_threadfunc(proc, output_file):
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"""
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Measure the virtual memory usage of |proc| at regular intervals
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until it exits, then print the maximum value and write it to
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|output_file|.
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"""
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maxvsize = 0
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while proc.returncode is None:
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maxvsize, vsize = procmem.get_vmsize(proc._handle)
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time.sleep(0.5)
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print "linker max virtual size: %d" % maxvsize
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with open(output_file, "w") as f:
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f.write("%d\n" % maxvsize)
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def measure_link_vsize(output_file, args):
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"""
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Execute |args|, and measure the maximum virtual memory usage of the process,
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printing it to stdout when finished.
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"""
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proc = subprocess.Popen(args)
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t = threading.Thread(target=measure_vsize_threadfunc,
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args=(proc, output_file))
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t.start()
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# Wait for the linker to finish.
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exitcode = proc.wait()
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# ...and then wait for the background thread to finish.
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t.join()
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return exitcode
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if __name__ == "__main__":
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if platform.system() != "Windows":
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print >>sys.stderr, "link.py is only for use on Windows!"
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sys.exit(1)
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if len(sys.argv) < 3:
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print >>sys.stderr, "Usage: link.py <output filename> <commandline>"
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sys.exit(1)
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sys.exit(measure_link_vsize(sys.argv[1], sys.argv[2:]))
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0
build/win32/__init__.py
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0
build/win32/__init__.py
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82
build/win32/procmem.py
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82
build/win32/procmem.py
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@ -0,0 +1,82 @@
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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 cl.py: a python wrapper for cl to automatically generate
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# dependency information.
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#
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# The Initial Developer of the Original Code is
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# Mozilla Foundation.
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# Portions created by the Initial Developer are Copyright (C) 2010
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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# Ted Mielczarek <ted@mielczarek.org>
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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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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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@ -603,3 +603,8 @@ ifdef ENABLE_TESTS
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DEFINES += -DENABLE_LAYOUTDEBUG
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endif
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endif
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ifeq (WINNT_1,$(OS_TARGET)_$(MOZ_PROFILE_USE))
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# Wrap linker to measure peak virtual memory usage.
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LD := $(PYTHON) $(topsrcdir)/build/link.py $(CURDIR)/linker-vsize $(LD)
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endif
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