RFC virtio-net: interrupt related improvements
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- v1 RFC Latest2 patches 31 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | virtio-net: bql supportdrivers/ | +19 | 31 replies | |
| 1/2 | virtio-net: bql supportdrivers/ | +19 | 0 replies | |
| 2/2 | virtio_net: bulk free tx skbsdrivers/ | +1 | 0 replies | |
| 2/2 | virtio_net: bulk free tx skbsdrivers/ | +1 | 0 replies |
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Cover letter [PATCH RFC 0/2] virtio-net: interrupt related improvements
Now that we have brought the virtio overhead way down with a fast packed ring implementation, we seem to be actually observing TCP drops indicative of bufferbloat. So let's try to enable TSQ. Note: it isn't clear that the default pacing is great for the virt usecase. It's worth trying to play with sk_pacing_shift_update to see what happens.
For this reason, and for a more important one that I didn't have time to test it yet, sending as an RFC.
Michael S. Tsirkin (2):
virtio-net: bql support
virtio_net: bulk free tx skbs
drivers/net/virtio_net.c | 29 ++++++++++++++++++++--------- 1 file changed, 20 insertions(+), 9 deletions(-)
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