Messages in this thread | | | Date | Tue, 06 Feb 2007 15:42:18 -0800 | From | Zachary Amsden <> | Subject | Re: [PATCH 2/11] Sched clock paravirt op |
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Jeremy Fitzhardinge wrote: > Zachary Amsden wrote: > >> Scheduled (or available) time and real time are good notions. Stolen >> time is debatable. But TSC is basically just always wrong. That's >> why I don't want to overload the rdtsc operation. >> > Well, in the Xen case it is actually guaranteed to be correct and useful > as real time, but that's definitely not something we can expect in > general. But you're talking specifically about schedulable vcpu time > here, right? >
Not schedulable time, scheduled time (schedulable - scheduled) = stolen
Zach
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