On Mon, 2011-01-24 at 18:31 -0500, Rik van Riel wrote: > 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@xxxxxxxxxx> > > CC: Rik van Riel<riel@xxxxxxxxxx> > > CC: Jeremy Fitzhardinge<jeremy.fitzhardinge@xxxxxxxxxx> > > CC: Peter Zijlstra<peterz@xxxxxxxxxxxxx> > > CC: Avi Kivity<avi@xxxxxxxxxx> > > 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? If you look closely, there are no allocations happening at all, it's all static. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
