Re: [Engine-devel] what does engine with cpuIdle?

----- Original Message ----- > From: "Laszlo Hornyak" <lhornyak(a)redhat.com&gt; > To: "engine-devel" <engine-devel(a)ovirt.org&gt; > Sent: Monday, September 10, 2012 3:51:59 PM > Subject: [Engine-devel] what does engine with cpuIdle? > > hi, > > I am trying to change a behavior in vdsm. When you pass 100% load on > a VM, it will stop reporting further load and will keep telling 100% > until the load drops under 100% again in it's cpuIdle information. > This is totally correct if you have only single-cpu VM's, but it is > false when you have multiple vcpu's, I think the cpuIdle information > should not be on a 0-100 scale, but on a 0-100*vcpus scale. > > So I submitted this patch to vdsm: http://gerrit.ovirt.org/#/c/7892/2 > and Dan pointed out that some functionality may depend on the value > in the 0-100 interval. For me it seems it is ignored and the load is > calculated only from sysCpu + userCpu. Does anyone build on the > cpuIdle value? > > Thanks, > Laszlo > you are right, engine doesn't save cpuIdle for vm, so it's not in use in the engine.