On 01.10.22 01:37, Saeed Mahameed wrote: > On 26 Sep 12:06, Alexandra Winter wrote: >> > > [ ... ] > >> [...] >> >> Saeed, >> As discussed at LPC, could you please consider adding a workaround to the >> Mellanox driver, to use non-SG SKBs for small messages? As mentioned above >> we are seeing 13% throughput degradation, if 2 pages need to be mapped >> instead of 1. >> >> While Eric's ideas sound very promising, just using non-SG in these cases >> should be enough to mitigate the performance regression we see. > > Hi Alexandra, sorry for the late response. > > Yeas linearizing small messages makes sense, but will require some careful > perf testing. > > We will do our best to include this in the next kernel release cycle. > I will take it with the mlx5e team next week, everybody is on vacation this > time of year :). > > Thanks, > Saeed. Hello Saeed, may I ask whether you had a chance to include such a patch in the 6.2 kernel? Or is this still on your ToDo list? I haven't seen anything like this on the mailing list, but I may have overlooked it. All the best for 2023 Alexandra
