зеркало из https://github.com/mozilla/pjs.git
80 строки
3.2 KiB
Python
80 строки
3.2 KiB
Python
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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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