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Full Discussion: semaphore access speed
Top Forums Programming semaphore access speed Post 302238999 by otheus on Monday 22nd of September 2008 03:19:12 PM
Old 09-22-2008
Try running gprof with -p and -l . My newer version might not need the -p.
 

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OPGPROF(1)						      General Commands Manual							OPGPROF(1)

NAME
opgprof - produce gprof-format profile data SYNOPSIS
opgprof [ options ] [profile specification] DESCRIPTION
opgprof outputs gprof-format profile data for a given binary image, from an OProfile session. See oprofile(1) for how to write profile specifications. OPTIONS
--help / -? / --usage Show help message. --version / -v Show version. --verbose / -V [options] Give verbose debugging output. --session-dir=dir_path Use sample database out of directory dir_path instead of the default location (/var/lib/oprofile). --image-path / -p [paths] Comma-separated list of additional paths to search for binaries. This is needed to find modules in kernels 2.6 and upwards. --root / -R [path] A path to a filesystem to search for additional binaries. --threshold / -t [percentage] Only output data for symbols that have more than the given percentage of total samples. --output-filename / -o [file] Output to the given file instead of the default, gmon.out ENVIRONMENT
No special environment variables are recognised by opgprof. FILES
/var/lib/oprofile/samples/ The location of the generated sample files. VERSION
This man page is current for oprofile-0.9.6. SEE ALSO
/usr/share/doc/oprofile/, oprofile(1) 4th Berkeley Distribution Tue 06 July 2010 OPGPROF(1)
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