Re: [Qemu-devel] [PATCH] hw/9pfs: Use ioeventfd for 9p

[Stefan Hajnoczi]

On Fri, Oct 7, 2011 at 7:28 AM, Aneesh Kumar K.V
<address@hidden> wrote:
> With ioeventfd:
> address@hidden storage]# dd if=/dev/zero of=/storage/testx bs=8k count=131072 
> oflag=direct
> 131072+0 records in
> 131072+0 records out
> 1073741824 bytes (1.1 GB) copied, 26.767 s, 40.1 MB/s
>
> Without:
> address@hidden storage]# dd if=/dev/zero of=/storage/testx bs=8k count=131072 
> oflag=direct
> 131072+0 records in
> 131072+0 records out
> 1073741824 bytes (1.1 GB) copied, 65.3361 s, 16.4 MB/s
>
> Signed-off-by: Aneesh Kumar K.V <address@hidden>
> ---
>  hw/9pfs/virtio-9p-device.c |    2 ++
>  hw/virtio-pci.c            |    5 -----
>  hw/virtio-pci.h            |    5 +++++
>  3 files changed, 7 insertions(+), 5 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>