Re: What is Fast task queue? (Was: How to understand what `swi5' kernel thread does?)

2012-08-29 Thread Andrey Zonov
On 8/28/12 3:44 PM, John Baldwin wrote: On Monday, August 27, 2012 4:47:13 pm Lev Serebryakov wrote: Hello, John. You wrote 27 августа 2012 г., 20:26:03: What fast tasks are performed via this queue? Under network load it is main consumer of CPU. JB Certain NIC drivers perform much of

Re: What is Fast task queue? (Was: How to understand what `swi5' kernel thread does?)

2012-08-29 Thread Lev Serebryakov
Hello, Andrey. You wrote 29 августа 2012 г., 11:17:09: AZ If you have more than one CPU, you can try this patch [1]. It adds I have only one cput (Geode LX 500 Mhz) without any HT or other virtual CPUs at all. One core, one thread :) -- // Black Lion AKA Lev Serebryakov l...@freebsd.org

Re: What is Fast task queue? (Was: How to understand what `swi5' kernel thread does?)

2012-08-28 Thread John Baldwin
On Monday, August 27, 2012 4:47:13 pm Lev Serebryakov wrote: Hello, John. You wrote 27 августа 2012 г., 20:26:03: What fast tasks are performed via this queue? Under network load it is main consumer of CPU. JB Certain NIC drivers perform much of their interrupt handling in that thread.

What is Fast task queue? (Was: How to understand what `swi5' kernel thread does?)

2012-08-27 Thread Lev Serebryakov
Hello, Lev. You wrote 27 августа 2012 г., 6:19:57: I've found (with help of debug printing added to kernel), that swi5 has only one handler Fast task queue (name is too long to be seen in `top' output, may be, rename it to fast tqueue?) What fast tasks are performed via this queue? Under

Re: What is Fast task queue? (Was: How to understand what `swi5' kernel thread does?)

2012-08-27 Thread John Baldwin
On Monday, August 27, 2012 8:46:46 am Lev Serebryakov wrote: Hello, Lev. You wrote 27 августа 2012 г., 6:19:57: I've found (with help of debug printing added to kernel), that swi5 has only one handler Fast task queue (name is too long to be seen in `top' output, may be, rename it to fast

Re: What is Fast task queue? (Was: How to understand what `swi5' kernel thread does?)

2012-08-27 Thread Lev Serebryakov
Hello, John. You wrote 27 августа 2012 г., 20:26:03: What fast tasks are performed via this queue? Under network load it is main consumer of CPU. JB Certain NIC drivers perform much of their interrupt handling in that thread. Yep, I've found, that my if_vr uses it. One more question: does