Re: [PATCH v2 3/4] kvm tools: Use ioeventfd in virtio-net

2011-06-01 Thread Asias He
On 06/01/2011 02:35 PM, Sasha Levin wrote: > On Wed, 2011-06-01 at 09:41 +0800, Asias He wrote: >> On 06/01/2011 12:32 AM, Sasha Levin wrote: >>> On Tue, 2011-05-31 at 10:18 +0300, Pekka Enberg wrote: On Tue, May 31, 2011 at 2:53 AM, Asias He wrote: > TAP based network performance with io

Re: [PATCH v2 3/4] kvm tools: Use ioeventfd in virtio-net

2011-05-31 Thread Sasha Levin
On Wed, 2011-06-01 at 09:41 +0800, Asias He wrote: > On 06/01/2011 12:32 AM, Sasha Levin wrote: > > On Tue, 2011-05-31 at 10:18 +0300, Pekka Enberg wrote: > >> On Tue, May 31, 2011 at 2:53 AM, Asias He wrote: > >>> TAP based network performance with ioeventfd > >> > >> Heh, so how did it look _bef

Re: [PATCH v2 3/4] kvm tools: Use ioeventfd in virtio-net

2011-05-31 Thread Asias He
On 06/01/2011 12:32 AM, Sasha Levin wrote: > On Tue, 2011-05-31 at 10:18 +0300, Pekka Enberg wrote: >> On Tue, May 31, 2011 at 2:53 AM, Asias He wrote: >>> TAP based network performance with ioeventfd >> >> Heh, so how did it look _before_ ioeventfd? Did performance improve >> and how much? > > A

Re: [PATCH v2 3/4] kvm tools: Use ioeventfd in virtio-net

2011-05-31 Thread Sasha Levin
On Tue, 2011-05-31 at 10:18 +0300, Pekka Enberg wrote: > On Tue, May 31, 2011 at 2:53 AM, Asias He wrote: > > TAP based network performance with ioeventfd > > Heh, so how did it look _before_ ioeventfd? Did performance improve > and how much? Asias, did you use TCP or UDP values as bandwidth in

Re: [PATCH v2 3/4] kvm tools: Use ioeventfd in virtio-net

2011-05-31 Thread Pekka Enberg
On Tue, May 31, 2011 at 2:53 AM, Asias He wrote: > TAP based network performance with ioeventfd Heh, so how did it look _before_ ioeventfd? Did performance improve and how much? -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org

Re: [PATCH v2 3/4] kvm tools: Use ioeventfd in virtio-net

2011-05-30 Thread Asias He
On 05/28/2011 12:18 AM, Sasha Levin wrote: > Use ioeventfds to receive notifications of IO events in virtio-net. > Doing so prevents an exit every time we receive/send a packet. > > Signed-off-by: Sasha Levin Hi, Sasha Here below are the test results you asked yesterday with your ioeventfd chan

Re: [PATCH v2 3/4] kvm tools: Use ioeventfd in virtio-net

2011-05-29 Thread Ingo Molnar
* Sasha Levin wrote: > Use ioeventfds to receive notifications of IO events in virtio-net. > Doing so prevents an exit every time we receive/send a packet. > > Signed-off-by: Sasha Levin > --- > tools/kvm/virtio/net.c | 22 ++ > 1 files changed, 22 insertions(+), 0 delet

[PATCH v2 3/4] kvm tools: Use ioeventfd in virtio-net

2011-05-27 Thread Sasha Levin
Use ioeventfds to receive notifications of IO events in virtio-net. Doing so prevents an exit every time we receive/send a packet. Signed-off-by: Sasha Levin --- tools/kvm/virtio/net.c | 22 ++ 1 files changed, 22 insertions(+), 0 deletions(-) diff --git a/tools/kvm/virtio