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Re: [Xen-devel] [PATCH 1/2] cpu steal time accounting

On 21 Feb 2006, at 00:51, Rik van Riel wrote:

Allow guest domains to get information from the hypervisor on how much
cpu time their virtual cpus have used.  This is needed to estimate the
cpu steal time.

Signed-off-by: Rik van Riel <riel@xxxxxxxxxx>

Probably we'll kill off the dom0_op instead (or at least rename the info structure and leave the old dom0_op just as a legacy placeholder for a while).

Looking at the other patch, I think I'm missing higher level context regarding what this patch is about. I grepped around for account_steal_time() -- looks like it's currently used by s390, but as part of a rather bigger patch that also calls account_user_time/account_system_time.

Is there a lkml thread I should read to get up to speed on this? Should your patch be using those other functions in this account_foo_time api? What functionality do we currently miss by not targetting that api?


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