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

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

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?
 thanks,
 Keir


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