On Fri, Jan 22, 2010 at 07:42:46PM +0300, Evgenii Davidov wrote: > ????????????, > > On Fri, Jan 22, 2010 at 02:46:28PM +0100, Luigi Rizzo ?????: > > > On Fri, Jan 22, 2010 at 04:35:35PM +0300, Evgenii Davidov wrote: > > ... > > > > > > my problem is that dummynet cpu usage jumps from 0 to 99%: > > > > > > > > > > > > 33 root 1 -68 - 0K 8K - 1 512.6H 86.18% > > > > > > dummynet > > > > > > 33 root 1 -68 - 0K 8K - 1 512.6H 85.89% > > > > > > dummynet > > > > > > 33 root 1 -68 - 0K 8K - 1 512.6H 88.28% > > > > > > dummynet > > > > > > 33 root 1 -68 - 0K 8K - 0 512.6H 78.17% > > > > > > dummynet > > > > > > 33 root 1 -68 - 0K 8K - 0 512.6H 0.88% > > > > > > dummynet > > > > > > 33 root 1 -68 - 0K 8K - 1 512.6H 0.10% > > > > > > dummynet > > > > > > 33 root 1 -68 - 0K 8K - 1 512.7H 0.00% > > > > > > dummynet > > > > > > 33 root 1 -68 - 0K 8K - 1 512.7H 0.10% > > > > > > dummynet > > > > > > > > i am not too clear on why this happens -- there shuold be only > > > > one instance of the dummynet thread, not 8 as in your case. > > > > > > no-no, one instance, it's a grep of a top log > > > > ok then it's rather normal -- the task wakes up every millisecond and > > it might have hundreds of packets to send at once, especially when > > the machine is heavily loaded as in your case. > > but since i restricted dummunet to run only on cpu 0 it's much better > maybe it's some smp problem in freebsd7
maybe the memory affinity helps a bit here. cheers luigi > -- > Evgenii V Davidov > _______________________________________________ > freebsd-ipfw@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw > To unsubscribe, send any mail to "freebsd-ipfw-unsubscr...@freebsd.org" _______________________________________________ freebsd-ipfw@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw To unsubscribe, send any mail to "freebsd-ipfw-unsubscr...@freebsd.org"
