On Tue, Jan 24, 2012 at 11:27 AM, Marcin Markowski <mmarkow...@leon.pl> 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 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 kernel thread named {ix0 que} using 100% CPU), >>> and both systems behave the same. In logs we see also: >>> interrupt storm detected on "irq268:"; throttling interrupt source >>> >>> Our server platform is Intel SR2600URBRP, 2x Xeon X5650, 6GB RAM and >>> NIC Intel X520-DA2. >>> >>> I'm not sure if problem is with NIC or motherboard in SR2600URBRP, >>> because everything is fine when we use other server configuration: >>> Intel SR1630GP, 1x Xeon X3450, 8GB RAM, NIC X520-DA2 >>> >>> My /boot/loader.conf: >>> kern.ipc.nmbclusters=262144 >>> hw.ixgbe.rxd=2048 >>> hw.ixgbe.txd=2048 >>> hw.ixgbe.num_queues=16 >>> >>> /etc/sysctl.conf >>> hw.intr_storm_threshold=10000 >>> >> >> Hi Marcin, >> >> Have a look at Luigi's excellent netmap framework [1]. >> >> [1] http://info.iet.unipi.it/~luigi/netmap/ > > > Hi Vlad, > > > I tried to compile the kernel with NETMAP on FreeBSD 8 and 9, but I get > warnings and > the compilation ends. > > cc1: warnings being treated as errors > ../../../dev/netmap/netmap.c: In function 'netmap_memory_init': > ../../../dev/netmap/netmap.c:1557: warning: format '%d' expects type 'int', > but argument 7 has type 'size_t' > ../../../dev/netmap/netmap.c:1564: warning: format '%d' expects type 'int', > but argument 7 has type 'size_t' > ../../../dev/netmap/netmap.c: In function 'netmap_memory_fini': > ../../../dev/netmap/netmap.c:1607: warning: format '%d' expects type 'int', > but argument 2 has type 'size_t' > ../../../dev/netmap/netmap.c: In function 'netmap_init': > ../../../dev/netmap/netmap.c:1636: warning: format '%d' expects type 'int', > but argument 2 has type 'size_t' > *** Error code 1 > > I'll try HEAD and see if it will be the same. >
Hi Marcin, Yes, I manually patched the sources. The format string should be %zd. -- Good, fast & cheap. Pick any two. _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "freebsd-performance-unsubscr...@freebsd.org"