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>