Re: What's the concern about setting irq thread's policy as SCHED_FIFO

2014-12-03 Thread Qin Chuanyu
On 2014/12/4 0:51, Rick Jones wrote: On 12/03/2014 12:06 AM, Qin Chuanyu wrote: I am doing network performance test under suse11sp3 and intel 82599 nic, Becasuse the softirq is out of schedule policy's control, so netserver thread couldn't always get 100% cpu usage, then packet dropped in kernel

Re: What's the concern about setting irq thread's policy as SCHED_FIFO

2014-12-03 Thread Rick Jones
On 12/03/2014 12:06 AM, Qin Chuanyu wrote: I am doing network performance test under suse11sp3 and intel 82599 nic, Becasuse the softirq is out of schedule policy's control, so netserver thread couldn't always get 100% cpu usage, then packet dropped in kernel udp socket's receive queue. In order

What's the concern about setting irq thread's policy as SCHED_FIFO

2014-12-03 Thread Qin Chuanyu
I am doing network performance test under suse11sp3 and intel 82599 nic, Becasuse the softirq is out of schedule policy's control, so netserver thread couldn't always get 100% cpu usage, then packet dropped in kernel udp socket's receive queue. In order to get a stable result, I did some patch