mirror of
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54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
# 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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from __future__ import with_statement
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import os, 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|. Also, print something to the console every
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half an hour to prevent the build job from getting killed when
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linking a large PGOed binary.
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"""
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maxvsize = 0
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idleTime = 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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idleTime += 0.5
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if idleTime > 30 * 60:
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print "Still linking, 30 minutes passed..."
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sys.stdout.flush()
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idleTime = 0
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print "TinderboxPrint: linker max vsize: %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 sys.platform != "win32":
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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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