[vlc] Help with H264 performance on Fedora 7

[Frodo Baggins]

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...

Regards,
Frodo B