Re: [patch 0/3] kvm tool: Serial emulation overhaul

[Ingo Molnar]

* Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:

> > [*] Also, those 10K cycles include some significant Qemu 
> >     overhead - a couple of thousand cycles - that should be much 
> >     lower in the tools/kvm case.
> 
> Are all the traps going into qemu - is KVM still that braindead ?

I don't know what exactly Marcelo has measured - it seems a PIO 
trap handled by the VM monitor process - i.e. Qemu in that case.

Thanks,

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/