[Cbe-oss-dev] spu sched problems

Christoph Hellwig hch at lst.de
Wed Mar 7 02:31:14 EST 2007


On Tue, Mar 06, 2007 at 09:57:30PM +0900, Ishizaki Kou wrote:
> Case #2 spu yielding
> 
> If a spu thread is in a run queue, yielding spu occurs when any
> running spu thread exits. But, if a spu thread exits before next spu
> thread is queued, yielding spu doesn't occur and the next spu thread
> will not be scheduled.

spu_run looks for empty physical spus, so this sounds rather odd.
Can you provide a testcase for the problem you're seeing?




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