Re: [PATCH v2 0/6] KVM: optimize memslots searching

From: Sasha Levin
Date: Fri Nov 18 2011 - 04:41:56 EST


On Fri, 2011-11-18 at 17:16 +0800, Xiao Guangrong wrote:
> This is the more work base on my v1 patchset which is posted some months ago,
> it can be found at:
> https://lkml.org/lkml/2011/2/22/68
>
> Change log:
> - sort memslots base on its size and do the line search instead of binary
> search base on gfn, it is from Avi's idea.
> - in order to reduce cache footprint, memslots are sorted in the array of
> kvm->memslots->memslots[] and introduce a table to map slot id to index in
> the array
>
> There is the performance result:
>
> autotest for RHEL.6.1 setup/boot/reboot/shutdown(average):
> ept=1: before: 449.5 after: 447.8
> ept=0: before: 532.7 after: 529.8
>
> kernbench(average):
> ept=1: before: 127.94 after: 126.98
> ept=0: before: 196.85 after: 189.66

Hi,

Do these patches depend on any other patches? Looks like they don't
apply on kvm-next.

--

Sasha.

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