lkml.org 
[lkml]   [2007]   [Feb]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/11] Sched clock paravirt op
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

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-02-07 00:45    [W:0.043 / U:0.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site