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Re: [Xen-users] CPU cap and weight



On 02/18/2013 01:34 AM, Andrew Son wrote:
The guest VM suffers from steel time meaning guest vm can not get cpu
cycles. Does this mean other guest vm can obtain cpu cycles or just
waste my own cpu cycles?
Hi Andrew,
the steal time is here since Linux kernel 2.6.11 [1].
Of course, other guests can obtain cpu cycles from the backing CPU of that vCPU. Read more about Xen credit scheduler (Xen's default) [2].

[1] http://lwn.net/Articles/108605/
[2] http://wiki.xen.org/wiki/Credit_Scheduler

--
Peter Viskup

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