Messages in this thread | | | Date | Mon, 24 Jan 2011 18:31:05 -0500 | From | Rik van Riel <> | Subject | Re: [PATCH 14/16] KVM-GST: KVM Steal time registration |
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On 01/24/2011 01:06 PM, Glauber Costa wrote: > Register steal time within KVM. Everytime we sample the steal time > information, we update a local variable that tells what was the > last time read. We then account the difference. > > Signed-off-by: Glauber Costa<glommer@redhat.com> > CC: Rik van Riel<riel@redhat.com> > CC: Jeremy Fitzhardinge<jeremy.fitzhardinge@citrix.com> > CC: Peter Zijlstra<peterz@infradead.org> > CC: Avi Kivity<avi@redhat.com>
On second thought - how does this deal with cpu hotplug and hot unplug?
Do you allocate a new one of these structs every time a cpu is hot unplugged and then hotplugged, leaking the old one?
Will leaving the old value around confuse the steal time calculation?
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