ixgbe 82599 固定源与目标, UDP, 64字节小包, 1488w pps 单核CPU软中断sirq 100%

ixgbe 82599 固定源与目标, UDP, 64字节小包, 1488w pps 单核CPU软中断sirq 100%

注: 测试使用, 正常应用不要开启

五元组不同, 开启ntuple
ethtool --config-ntuple eth12 rx-flow-hash udp4 sdfn

Mem: 483060K used, 15719212K free, 0K shrd, 188K buff, 150536K cached
CPU0:  0.0% usr  0.0% sys  0.0% nic 58.0% idle  0.0% io  0.0% irq 41.9% sirq
CPU1:  0.0% usr  0.0% sys  0.0% nic 82.0% idle  0.0% io  0.0% irq 17.9% sirq
CPU2:  0.0% usr  0.0% sys  0.0% nic 79.2% idle  0.0% io  0.0% irq 20.7% sirq
CPU3:  0.0% usr  0.0% sys  0.0% nic 82.4% idle  0.0% io  0.0% irq 17.6% sirq
CPU4:  0.0% usr  0.0% sys  0.0% nic 78.0% idle  0.0% io  0.0% irq 21.9% sirq
CPU5:  0.0% usr  0.0% sys  0.0% nic 81.4% idle  0.0% io  0.0% irq 18.5% sirq
CPU6:  0.0% usr  0.0% sys  0.0% nic 79.4% idle  0.0% io  0.0% irq 20.5% sirq
CPU7:  0.0% usr  0.0% sys  0.0% nic  100% idle  0.0% io  0.0% irq  0.0% sirq

开启后, 多队列可以同时接收. 如下:

# ethtool -S eth12 | grep rx_queue_
     rx_queue_0_packets: 451336447
     rx_queue_0_bytes: 27080186820
     rx_queue_1_packets: 389160137
     rx_queue_1_bytes: 23349608220
     rx_queue_2_packets: 389142927
     rx_queue_2_bytes: 23348575620
     rx_queue_3_packets: 389148391
     rx_queue_3_bytes: 23348903460
     rx_queue_4_packets: 389170069
     rx_queue_4_bytes: 23350204140
     rx_queue_5_packets: 389152692
     rx_queue_5_bytes: 23349161520
     rx_queue_6_packets: 389175852
     rx_queue_6_bytes: 23350551120
     rx_queue_7_packets: 389118657
     rx_queue_7_bytes: 23347119420