Re: [Xen-devel] cpuidle causing Dom0 soft lockups

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 11/02/2010 14:44, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:

> Other than with the global processed_system_time,
> the per-CPU one may not get increased even if delta_cpu was close
> to 3*NS_PER_TICK, due to the stolen/blocked accounting. Probably
> this was not a problem so far because no code outside of
> timer_interrupt() read this value - Keir, since I think you wrote that
> logic originally, any word on this?

What you say is true, as clearly it is currently implemented that way almost
by design. I'm lost in the intricacies of your current discussion though, so
not sure exactly why it's a problem, and how we should fix it?

 Thanks,
 Keir



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