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
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
If you look closely, there are no allocations happening at all,
it's all static.