[dpdk-dev] About interrupts and packet loss

2013-09-02 Thread Thomas Monjalon
01/09/2013 09:01, Nulik Nol : > I have read in a pdf document about DPDK that the driver that comes > within the DPDK distribution was modified to disable interrupt > handling. This explains why DPDK is so fast. Yes, DPDK drivers poll the NICs. > However , this means the app in user space must co

[dpdk-dev] About interrupts and packet loss

2013-09-01 Thread Nulik Nol
Hi, I have read in a pdf document about DPDK that the driver that comes within the DPDK distribution was modified to disable interrupt handling. This explains why DPDK is so fast. However , this means the app in user space must constantly watch for new packets, so the CPU load average will be almos