> From: Michael S. Tsirkin <m...@redhat.com> > Sent: Tuesday, February 7, 2023 10:29 AM > > On Tue, Feb 07, 2023 at 03:25:55PM +0000, Parav Pandit wrote: > > > > > > > From: Michael S. Tsirkin <m...@redhat.com> > > > Sent: Tuesday, February 7, 2023 10:09 AM > > > > > > On Tue, Feb 07, 2023 at 04:56:06PM +0200, Alvaro Karsz wrote: > > > > > An example of a question is this: we have two RX queues say 1 > > > > > and 2 each with a distinct interrupt vector. coalescing is set > > > > > to 10 packets. Now > > > > > 9 packets arrive on queue 1 and 1 on queue 2. Do you expect an > > > > > interrupt? If yes which one - 1 or 2 or both? > > > > > > > > Sorry, I wasn't clear enough. > > > > In this case, you should not issue an interrupt until one of the > > > > queues receives the 10'th packet. > > > > The counters are per queue, the coalescing parameters (usecs and > > > > max_packets) are global. > > > > > > Counters and parameters go hand-in hand. > > It should be per VQ. > > Well you could have a global parameter and per queue counter. > In fact ethtool only has a global parameter support - how will users configure > per-queue ones? > Net dim infrastructure will use per VQ knobs.
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