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@xxxxxxxxxx>
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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