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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