[MPlayer-dev-eng] Re: Vorbis decoding performance
Luca Barbato
lu_zero at gentoo.org
Wed Aug 9 10:37:12 CEST 2006
Guillaume POIRIER wrote:
>
> Well, last time I used oprofile, I had to be root to set the perf
> counters, that's why I didn't see it as a way to implement START/STOP
> macros (which aren't supposed to need privileged access).
> ... but maybe I just lack Oprofile expertise ^^
Start/stop stuff uses the cpu time ref register for this reason I think^^
perf counters write is always a priviledge operation I think.
lu
--
Luca Barbato
Gentoo/linux Gentoo/PPC
http://dev.gentoo.org/~lu_zero
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