build/link.py@7e26c7da4463 (annotated)
build/link.py
Wed, 31 Dec 2014 06:55:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:55:50 +0100
- changeset 2
- 7e26c7da4463
- permissions
- -rw-r--r--
Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2
| michael@0 | 1 | # This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | # License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | # file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| michael@0 | 4 | |
| michael@0 | 5 | from __future__ import with_statement |
| michael@0 | 6 | import os, subprocess, sys, threading, time |
| michael@0 | 7 | from win32 import procmem |
| michael@0 | 8 | |
| michael@0 | 9 | def measure_vsize_threadfunc(proc, output_file): |
| michael@0 | 10 | """ |
| michael@0 | 11 | Measure the virtual memory usage of |proc| at regular intervals |
| michael@0 | 12 | until it exits, then print the maximum value and write it to |
| michael@0 | 13 | |output_file|. Also, print something to the console every |
| michael@0 | 14 | half an hour to prevent the build job from getting killed when |
| michael@0 | 15 | linking a large PGOed binary. |
| michael@0 | 16 | """ |
| michael@0 | 17 | maxvsize = 0 |
| michael@0 | 18 | idleTime = 0 |
| michael@0 | 19 | while proc.returncode is None: |
| michael@0 | 20 | maxvsize, vsize = procmem.get_vmsize(proc._handle) |
| michael@0 | 21 | time.sleep(0.5) |
| michael@0 | 22 | idleTime += 0.5 |
| michael@0 | 23 | if idleTime > 30 * 60: |
| michael@0 | 24 | print "Still linking, 30 minutes passed..." |
| michael@0 | 25 | sys.stdout.flush() |
| michael@0 | 26 | idleTime = 0 |
| michael@0 | 27 | print "TinderboxPrint: linker max vsize: %d" % maxvsize |
| michael@0 | 28 | with open(output_file, "w") as f: |
| michael@0 | 29 | f.write("%d\n" % maxvsize) |
| michael@0 | 30 | |
| michael@0 | 31 | def measure_link_vsize(output_file, args): |
| michael@0 | 32 | """ |
| michael@0 | 33 | Execute |args|, and measure the maximum virtual memory usage of the process, |
| michael@0 | 34 | printing it to stdout when finished. |
| michael@0 | 35 | """ |
| michael@0 | 36 | proc = subprocess.Popen(args) |
| michael@0 | 37 | t = threading.Thread(target=measure_vsize_threadfunc, |
| michael@0 | 38 | args=(proc, output_file)) |
| michael@0 | 39 | t.start() |
| michael@0 | 40 | # Wait for the linker to finish. |
| michael@0 | 41 | exitcode = proc.wait() |
| michael@0 | 42 | # ...and then wait for the background thread to finish. |
| michael@0 | 43 | t.join() |
| michael@0 | 44 | return exitcode |
| michael@0 | 45 | |
| michael@0 | 46 | if __name__ == "__main__": |
| michael@0 | 47 | if sys.platform != "win32": |
| michael@0 | 48 | print >>sys.stderr, "link.py is only for use on Windows!" |
| michael@0 | 49 | sys.exit(1) |
| michael@0 | 50 | if len(sys.argv) < 3: |
| michael@0 | 51 | print >>sys.stderr, "Usage: link.py <output filename> <commandline>" |
| michael@0 | 52 | sys.exit(1) |
| michael@0 | 53 | sys.exit(measure_link_vsize(sys.argv[1], sys.argv[2:])) |
