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

2011-06-01 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 asias.he...@gmail.com wrote: TAP based network performance with ioeventfd Heh, so how did it

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 asias.he...@gmail.com wrote: TAP based network performance

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 asias.he...@gmail.com 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

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 asias.he...@gmail.com 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

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 asias.he...@gmail.com wrote: TAP based network performance with ioeventfd Heh, so how did it look _before_ ioeventfd? Did performance improve and how

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 levinsasha...@gmail.com Hi, Sasha Here below are the test results you asked yesterday with

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

2011-05-29 Thread Ingo Molnar
* Sasha Levin levinsasha...@gmail.com 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 levinsasha...@gmail.com --- tools/kvm/virtio/net.c | 22 ++ 1

[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 levinsasha...@gmail.com --- tools/kvm/virtio/net.c | 22 ++ 1 files changed, 22 insertions(+), 0 deletions(-) diff