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SubjectRe: [ANNOUNCE] Native Linux KVM tool v2
On 06/15/2011 10:53 AM, Pekka Enberg wrote:
> Hi all,
>
> We’re proud to announce the second version of the Native Linux KVM tool! We’re
> now officially aiming for merging to mainline in 3.1.
>
> Highlights:
>
> - Experimental GUI support using SDL and VNC
>
> - SMP support. tools/kvm/ now has a highly scalable, largely lockless driver
> interface and the individual drivers are using finegrained locks.
>
> - TAP-based virtio networking
>
> - Fast QCOW2 image read-write support beating Qemu in fio benchmarks. See the
> following URL for test result details: https://gist.github.com/1026888

What was the commit hash for the QEMU you tested?

The following caused a major regression in qcow2:


commit a16c53b101a9897b0b2be96a1bb3bde7c04380f2
Author: Anthony Liguori <aliguori@us.ibm.com>
Date: Mon Jun 6 08:25:06 2011 -0500

Fix regression introduced by -machine accel=

Commit 85097db6 changed the timing when kvm_allowed is set until after
kvm is initialized. During initialization, the ioeventfd
initialization cod
checks kvm_enabled() and after this change, ioeventfd is
effectively disable

If it's not in your tree, it would be useful to rerun the test with the
latest git.

Regards,

Anthony Liguori
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