On 2021/6/8 20:53, Vladimir Oltean wrote: > On Thu, Jun 03, 2021 at 11:35:48AM -0700, Jakub Kicinski wrote: >> On Thu, 3 Jun 2021 09:47:57 +0800 Yunsheng Lin wrote: >>> Patch 1: remove unnecessary seqcount operation. >>> Patch 2: implement TCQ_F_CAN_BYPASS. >>> Patch 3: remove qdisc->empty. >>> >>> Performance data for pktgen in queue_xmit mode + dummy netdev >>> with pfifo_fast: >>> >>> threads unpatched patched delta >>> 1 2.60Mpps 3.21Mpps +23% >>> 2 3.84Mpps 5.56Mpps +44% >>> 4 5.52Mpps 5.58Mpps +1% >>> 8 2.77Mpps 2.76Mpps -0.3% >>> 16 2.24Mpps 2.23Mpps +0.4% >>> >>> Performance for IP forward testing: 1.05Mpps increases to >>> 1.16Mpps, about 10% improvement. >> >> Acked-by: Jakub Kicinski <kuba@xxxxxxxxxx> > > Any idea why these patches are deferred in patchwork? > https://patchwork.kernel.org/project/netdevbpf/cover/1622684880-39895-1-git-send-email-linyunsheng@xxxxxxxxxx/ I suppose it is a controversial change, which need more time hanging to be reviewed and tested. By the way, I did not pick up your "Tested-by" from previous RFC version because there is some change between those version that deserves a retesting. So it would be good to have a "Tested-by" from you after confirming no out of order happening for this version, thanks.