* Avi Kivity <[email protected]> wrote:
> On 04/16/2010 10:34 AM, Zhang, Yanmin wrote:
> >Below is the kernel patch to enable perf to collect guest os statistics.
> >
> >Joerg,
> >
> >Would you like to add support on svm? I don't know the exact point to trigger
> >NMI to host with svm.
> >
> >See below code with vmx:
> >
> >+ kvm_before_handle_nmi(&vmx->vcpu);
> > asm("int $2");
> >+ kvm_after_handle_nmi(&vmx->vcpu);
> >
> >Signed-off-by: Zhang Yanmin<[email protected]>
>
> Can you please split it further?
>
> Patch 1 introduces perf_register_guest_info_callbacks() and related. Ingo
> can merge this into a branch in tip.git. Patch 2 is just the kvm bits, I'll
> apply that after merging the branch with patch 1. Patch 3 adds the
> tools/perf changes.
>
> This way perf development can continue on tip.git, and kvm development can
> continue on kvm.git, without the code bases diverging and requiring a merge
> later.
I'd like to pull the KVM bits from you into perf - so that there's a testable
form of the changes. We can do that via a branch that has 1-2 changes, plus
minimal conflicts down the line, right?
Ingo
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