Re: [RFC PATCH 2/3] sched: add yield_to function

Srivatsa Vaddagiri
2010-12-03T14:10:37Z

On Fri, Dec 03, 2010 at 07:36:07PM +0530, Srivatsa Vaddagiri wrote:
> On Fri, Dec 03, 2010 at 03:03:30PM +0100, Peter Zijlstra wrote:
> > No, because they do receive service (they spend some time spinning
> > before being interrupted), so the respective vruntimes will increase, at
> > some point they'll pass B0 and it'll get scheduled.
>
> Is that sufficient to ensure that B0 receives its fair share (1/3 cpu in this
> case)?

Hmm perhaps yes, althought at cost of tons of context switches, which would be
nice to minimize on?

- vatsa