Re: Performance problem using Intel X520-DA2

2012-01-25 Thread Marcin Markowski
On 25.01.2012 14:18, Nikolay Denev wrote: On Jan 25, 2012, at 1:59 PM, Ivan Voras wrote: On 24/01/2012 17:53, Marcin Markowski wrote: On 24.01.2012 14:22, Ivan Voras wrote: On Mon, Jan 23, 2012 at 12:20 PM, Marcin Markowskiwrote: (on 9.0 we can see also kernel thread named {ix0 que} using 1

Re: Performance problem using Intel X520-DA2

2012-01-25 Thread Nikolay Denev
On Jan 25, 2012, at 1:59 PM, Ivan Voras wrote: > On 24/01/2012 17:53, Marcin Markowski wrote: >> On 24.01.2012 14:22, Ivan Voras wrote: On Mon, Jan 23, 2012 at 12:20 PM, Marcin Markowskiwrote: >>> > (on 9.0 we can see also kernel thread named {ix0 que} using 100% CPU), >>> > hw

Re: Performance problem using Intel X520-DA2

2012-01-25 Thread Ivan Voras
On 24/01/2012 17:53, Marcin Markowski wrote: On 24.01.2012 14:22, Ivan Voras wrote: On Mon, Jan 23, 2012 at 12:20 PM, Marcin Markowskiwrote: (on 9.0 we can see also kernel thread named {ix0 que} using 100% CPU), hw.ixgbe.num_queues=16 If there really are 16 hardware queues, shouldn't the

Re: Performance problem using Intel X520-DA2

2012-01-24 Thread Marcin Markowski
On 24.01.2012 14:22, Ivan Voras wrote: On Mon, Jan 23, 2012 at 12:20 PM, Marcin Markowskiwrote: (on 9.0 we can see also kernel thread named {ix0 que} using 100% CPU), hw.ixgbe.num_queues=16 If there really are 16 hardware queues, shouldn't there be 16 kernel threads for queue processing?

Re: Performance problem using Intel X520-DA2

2012-01-24 Thread Ivan Voras
On Mon, Jan 23, 2012 at 12:20 PM, Marcin Markowskiwrote: (on 9.0 we can see also kernel thread named {ix0 que} using 100% CPU), hw.ixgbe.num_queues=16 If there really are 16 hardware queues, shouldn't there be 16 kernel threads for queue processing? __

Re: Performance problem using Intel X520-DA2

2012-01-24 Thread Vlad Galu
On Tue, Jan 24, 2012 at 11:27 AM, Marcin Markowski wrote: > On 24.01.2012 00:34, Vlad Galu wrote: >> >> -- >> Good, fast and cheap: pick any two. >> >> >> On Monday, January 23, 2012 at 8:20 PM, Marcin Markowski wrote: >> >>> Hello, >>> >>> We use FreeBSD as sniffer (libpcap programs) and we exper

Re: Performance problem using Intel X520-DA2

2012-01-24 Thread Marcin Markowski
On 24.01.2012 00:34, Vlad Galu wrote: -- Good, fast and cheap: pick any two. On Monday, January 23, 2012 at 8:20 PM, Marcin Markowski wrote: Hello, We use FreeBSD as sniffer (libpcap programs) and we experience performance problems when incoming traffic is greater than 7.5Gbps/s. If we che

Re: Performance problem using Intel X520-DA2

2012-01-23 Thread Vlad Galu
-- Good, fast and cheap: pick any two. On Monday, January 23, 2012 at 8:20 PM, Marcin Markowski wrote: > Hello, > > We use FreeBSD as sniffer (libpcap programs) and we experience > performance problems when incoming traffic is greater than 7.5Gbps/s. > If we check 'top' we see that first irq

Re: Performance problem using Intel X520-DA2

2012-01-23 Thread Marcin Markowski
Hi Jack, Thank You for Your answer. I forgot to mention that if the program will run for more than 30-40 sec. server loses connection to the internet. I'm not sure if problem isnt with MSI-X, because NIC (82575EB - igb driver) used for the internet is also using MSI-X. Disabling MSI-X for i

Re: Performance problem using Intel X520-DA2

2012-01-23 Thread Jack Vogel
There may be some interrupt handling changes coming, but at least for the moment you need to increase the storm threshold, or set it to 0 to disable it. Jack On Mon, Jan 23, 2012 at 12:20 PM, Marcin Markowski wrote: > Hello, > > We use FreeBSD as sniffer (libpcap programs) and we experience >

Performance problem using Intel X520-DA2

2012-01-23 Thread Marcin Markowski
Hello, We use FreeBSD as sniffer (libpcap programs) and we experience performance problems when incoming traffic is greater than 7.5Gbps/s. If we check 'top' we see that first irq from network card is using 100% CPU. I've tested this on FreeBSD 8.2-RELEASE and 9.0-RELEASE (on 9.0 we can see also