[dpdk-dev] ksoftirqd when using KNI

2015-09-25 Thread Moon-Sang Lee
I've observed CPU stats with top command, and found that ksoftirqd is processing software interrupts which might come from dpdk-kni application and would be processed by KNI and kernel net stack. My observation shows that 1. dpdk-kni-application drops a half of rx packets (i.e. fail to deliver pac

[dpdk-dev] ksoftirqd when using KNI

2015-09-18 Thread Moon-Sang Lee
I'm a newbie and testing DPDK KNI with 1G intel NIC. According to my understanding of DPDK documents, KNI should not raise interrupts when sending/receiving packets. But when I transmit bunch of packets to my KNI ports, 'top command' shows ksoftirqd with 50% CPU load. Would you give me some comm