/[jscoverage]/trunk/js/build/win32/pgomerge.py
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Annotation of /trunk/js/build/win32/pgomerge.py

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Revision 460 - (hide annotations)
Sat Sep 26 23:15:22 2009 UTC (11 years, 2 months ago) by siliconforks
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1 siliconforks 399 #!/usr/bin/python
2     # Usage: pgomerge.py <binary basename> <dist/bin>
3     # Gathers .pgc files from dist/bin and merges them into
4     # $PWD/$basename.pgd using pgomgr, then deletes them.
5     # No errors if any of these files don't exist.
6    
7     import sys, os, os.path, subprocess
8     if not sys.platform == "win32":
9     raise Exception("This script was only meant for Windows.")
10    
11     def MergePGOFiles(basename, pgddir, pgcdir):
12     """Merge pgc files produced from an instrumented binary
13     into the pgd file for the second pass of profile-guided optimization
14     with MSVC. |basename| is the name of the DLL or EXE without the
15     extension. |pgddir| is the path that contains <basename>.pgd
16     (should be the objdir it was built in). |pgcdir| is the path
17     containing basename!N.pgc files, which is probably dist/bin.
18     Calls pgomgr to merge each pgc file into the pgd, then deletes
19     the pgc files."""
20     if not os.path.isdir(pgddir) or not os.path.isdir(pgcdir):
21     return
22     pgdfile = os.path.abspath(os.path.join(pgddir, basename + ".pgd"))
23     if not os.path.isfile(pgdfile):
24     return
25     for file in os.listdir(pgcdir):
26 siliconforks 460 if file.startswith(basename+"!") and file.endswith(".pgc"):
27 siliconforks 399 try:
28     pgcfile = os.path.normpath(os.path.join(pgcdir, file))
29     subprocess.call(['pgomgr', '-merge',
30     pgcfile,
31     pgdfile])
32     os.remove(pgcfile)
33     except OSError:
34     pass
35    
36     if __name__ == '__main__':
37     if len(sys.argv) != 3:
38     print >>sys.stderr, "Usage: pgomerge.py <binary basename> <dist/bin>"
39     sys.exit(1)
40     MergePGOFiles(sys.argv[1], os.getcwd(), sys.argv[2])

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