Re: [Xen-users] CPU cap and weight

[Peter Viskup <skupko.sk@xxxxxxxxx>]

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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