Re: [libvirt-users] Performance monotoring: Perf Event support

2017-04-26 Thread Daniel P. Berrange
On Mon, Apr 24, 2017 at 06:54:32PM +0200, Hui Jing wrote: > Hi everyone, > > I am using libvirt 2.5.0. I'd like to enable the "perf events" to > monitoring my vm performance such as l3 cache. But it failed with "error: > argument unsupported: unable to enable host cpu perf event for cmt". > 1. Cou

[libvirt-users] Performance monotoring: Perf Event support

2017-04-24 Thread Hui Jing
Hi everyone, I am using libvirt 2.5.0. I'd like to enable the "perf events" to monitoring my vm performance such as l3 cache. But it failed with "error: argument unsupported: unable to enable host cpu perf event for cmt". 1. Could you please give some hints on how to check if my host CPU supports