| commit | 271ca4b16cb2250779ff457f02f61ead2f012e5d | |
| author | Dor Laor <dor.laor@qumranet.com> | |
| Sun, 30 Dec 2007 22:18:29 +0000 (31 00:18 +0200) | ||
| committer | Avi Kivity <avi@qumranet.com> | |
| Wed, 2 Jan 2008 15:49:30 +0000 (2 17:49 +0200) | ||
| tree | a0b3beee7a682ad4ae10ea7094c3f7f7ef0b4157 | treesnapshot (tar.gz zip) |
| parent | 73eb7f53587e56e2c697664822904cfc441106e2 | commitdiff |
Virtio network rx performance improvment
This patch prevents qemu handlers from reading the tap and instead
it selects the tap descriptors for virtio devices.
This eliminates copies and also batch guest notifications (interrupts).
Using this patch the rx performance reaches 800Mbps.
-net user option remains as before and does not enjoy the performance
improvment.
Signed-off-by: Dor Laor <dor.laor@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This patch prevents qemu handlers from reading the tap and instead
it selects the tap descriptors for virtio devices.
This eliminates copies and also batch guest notifications (interrupts).
Using this patch the rx performance reaches 800Mbps.
-net user option remains as before and does not enjoy the performance
improvment.
Signed-off-by: Dor Laor <dor.laor@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
| hw/pc.h | diffblobblamehistory | |
| hw/virtio-net.c | diffblobblamehistory | |
| net.h | diffblobblamehistory | |
| vl.c | diffblobblamehistory |