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authorLuca Barbato <lu_zero@gentoo.org>2006-06-13 01:20:39 +0000
committerLuca Barbato <lu_zero@gentoo.org>2006-06-13 01:20:39 +0000
commitbbf84ca1a4f617140b07ef85560e59bb05d97510 (patch)
treedec0522ffbb420d923d08d5204302ff635bf0c14 /doc
parente6f0ad516794a2c7c707de84942c79ca56fa3416 (diff)
downloadffmpeg-bbf84ca1a4f617140b07ef85560e59bb05d97510.tar.gz
oprofile reference for Linux/PPC
Originally committed as revision 5470 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'doc')
-rw-r--r--doc/ffmpeg_powerpc_performance_evaluation_howto.txt11
1 files changed, 8 insertions, 3 deletions
diff --git a/doc/ffmpeg_powerpc_performance_evaluation_howto.txt b/doc/ffmpeg_powerpc_performance_evaluation_howto.txt
index ebcfe4a7d0..bab41f20ea 100644
--- a/doc/ffmpeg_powerpc_performance_evaluation_howto.txt
+++ b/doc/ffmpeg_powerpc_performance_evaluation_howto.txt
@@ -156,8 +156,13 @@ documented by Apple, it's not my subject.
V) Enabling the PMC on Linux
-I don't know how to do it, sorry :-) Any idea very much welcome.
+On linux you may use oprofile from http://oprofile.sf.net, depending on the
+version and the cpu you may need to apply a patch[1] to access a set of the
+possibile counters from the userspace application. You can always define them
+using the kernel interface /dev/oprofile/* .
+
+[1] http://dev.gentoo.org/~lu_zero/development/oprofile-g4-20060423.patch
--
-Romain Dolbeau
-<romain@dolbeau.org>
+Romain Dolbeau <romain@dolbeau.org>
+Luca Barbato <lu_zero@gentoo.org>