On Wed, 2007-09-19 at 10:06 -0700, Tong Li wrote:
> Were the experiments run on a 2-CPU system?
Yes.
> When Xorg experiences large
> wait time, is it on the same CPU that has the two pinned tasks? If this is
> the case, then the problem could be X somehow advanced faster and got a
> larger vruntime then the two pinned tasks, so it had to wait for the
> pinned ones to catch up before it got a chance to be scheduled.
Good question. I've not yet been able to capture any event where
vruntimes are that far apart in sched_debug.
-Mike
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