Messages in this thread | | | Date | Wed, 14 Mar 2007 13:59:51 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: Stolen and degraded time and schedulers |
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Ingo Molnar wrote: > touching the 'timer tick' is the wrong approach. 'stolen time' only > matters to the /scheduler tick/. So extend the hypervisor interface to > allow the injection of 'virtual' scheduler tick events: via the use of a > special clockevents device - do not change clockevents itself.
I didn't. I was using sloppy terminology: I hang the stolen time accounting off the Xen timer interrupt routine, just so that it gets run every now and again.
I suppose I could explicitly hook stolen time accounting into the scheduler, but its not obvious to me that it's necessary.
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