[vlc] Help with H264 performance on Fedora 7

Frodo Baggins frodo.drogo at gmail.com
Tue Sep 4 18:08:48 CEST 2007


On 9/4/07, Frodo Baggins <frodo.drogo at gmail.com> wrote:
> On 9/4/07, Petr Hroudny <petr.hroudny at gmail.com> wrote:
> > 2007/9/4, Frodo Baggins <frodo.drogo at gmail.com>:
> > > From this display it looks like top is not showing SMP view. Pressing
> > > '1' toggles SMP view. If you can see a CPU0 somewhere near the top of
> > > the display, you should be all set.
> >
> > This is the output with SMP view:
> >
> > Cpu0  : 99.3%us,  0.0%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.3%hi,  0.3%si,  0.0%st
> > Cpu1  :  2.7%us,  2.7%sy,  0.0%ni, 93.7%id,  0.0%wa,  0.0%hi,  1.0%si,  0.0%st
> >
> > and after a few seconds:
> >
> > Cpu0  :  4.3%us,  3.0%sy,  0.0%ni, 92.7%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
> > Cpu1  : 98.7%us,  0.0%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi,  1.3%si,  0.0%st
> >
> > So the scheduler moves the VLC process to the other CPU occasionally,
> > but all the
> > VLC threads always run on the same CPU while the other CPU is idle.
> >
> > On windows both CPUs are used, probably each thread runs on different CPU.
> > I'm running  2.6.22.1-27.fc7 kernel.
>
> Is that a smp kernel? Maybe you could ask on the vlc-devel list...

Sorry for that confusing message. I meant:
1) is 2.6.22.1-27.fc7 a smp kernel?
2) you could ask about this problem(?) on the devel list.

Regards,
Frodo B



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