Messages in this thread | | | Date | Tue, 16 Mar 2010 20:41:36 -0400 | From | "Frank Ch. Eigler" <> | Subject | Re: [PATCH] Enhance perf to collect KVM guest os statistics from host side |
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Hi -
On Tue, Mar 16, 2010 at 06:04:10PM -0500, Anthony Liguori wrote: > [...] > The only way to really address this is to change the interaction. > Instead of running perf externally to qemu, we should support a perf > command in the qemu monitor that can then tie directly to the perf > tooling. That gives us the best possible user experience.
To what extent could this be solved with less crossing of isolation/abstraction layers, if the perfctr facilities were properly virtualized? That way guests could run perf goo internally. Optionally virt tools on the host side could aggregate data from cooperating self-monitoring guests.
- FChE
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