Re: [patch] CFS scheduler, -v6

From: Ingo Molnar
Date: Fri Apr 27 2007 - 09:42:47 EST

* Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

> > Kasper, just to exclude the possibility that this is somehow related
> > to IO scheduling, could you copy the OGG file over to /dev/shm and
> > play it from there? Do you still get the bad skips?
> That's what I can observe here:
> ogg123 local harddisk skips
> ogg123 nfs works
> ogg123 /dev/shm works
> The skips when running from the local harddisk are definitely caused
> by the I/O scheduler or some other bottleneck in the
> block/disk/scsi/sata jungle. I try to find out more details.

and is it independent of the scheduler - i.e. can you see this skipping
on vanilla too?

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