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Re: CPU "em0 taskq"



, , .

2009/10/23 Igor Sysoev <is@xxxxxxxxxxxxx>
On Fri, Oct 23, 2009 at 11:00:55AM +0400, wrote:

> 100Kpps, , ,
> .
> , D-Link .

-, , TCP/IP,
, . -, top D-Link'
100Kpps ? , 100% busy.

> 2009/10/22 MZ <zuborg@xxxxxxxxxxxxxxxxxxx>
>
> > , , , ݣ Celeron- ?
> > , , , ţ
> > .
> >
> >
> > wrote:
> >
> >> , . ,
> >> (*em0 taskq*) .
> >> FreeBSD 100.
> >> : Celeron 2.8, 1Gb , 7.2-i386-20091008-RELENG_7_2.
> >> web-, nginx .
> >>
> >> /etc/rc.d/ipfilter onestop - .
> >>
> >> # top -SP
> >> CPU: 13.5% user, 0.0% nice, 46.8% system, 6.4% interrupt, 33.3% idle
> >> Mem: 205M Active, 266M Inact, 152M Wired, 1068K Cache, 111M Buf, 368M Free
> >> Swap: 4096M Total, 56M Used, 4040M Free, 1% Inuse
> >> PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU
> >> COMMAND
> >> 11 root 1 171 ki31 0K 8K RUN 476:04 30.76% idle:
> >> cpu0
> >> 22 root 1 -68 - 0K 8K - 204:36 *29.20% em0
> >> taskq*
> >> 34 root 1 -68 - 0K 8K WAIT 73:52 8.40% irq18:
> >> em0 atapci1
> >> 15763 www 1 96 0 203M 191M RUN 3:35 1.17% nginx
> >> ...
> >>
> >> # vmstat 5
> >> procs memory page disks faults
> >> cpu
> >> r b w avm fre flt re pi po fr sr ad4 ad6 in sy cs
> >> us sy id
> >> 1 0 0 718M 402M 478 3 0 1 541 985 0 0 5028 23780 29929
> >> 15 44 41
> >> 1 0 0 718M 402M 2 0 0 0 0 0 0 0 6143 14213 22360
> >> 11 50 40
> >>
> >>
> >> # netstat -dw1
> >> input (Total) output
> >> packets errs bytes packets errs bytes colls drops
> >> 8448 0 4671078 9177 0 6720956 0 0
> >> 25776 0 17436726 28118 0 17904026 0 0
> >> 32230 0 26810636 32266 0 21383868 0 0
> >> 23703 0 19727356 23627 0 13323592 0 0
> >>
> >> # netstat -Lan
> >> Current listen queue sizes (qlen/incqlen/maxqlen)
> >> Proto Listen Local Address tcp4 16/0/128 *.80
> >> ...
> >>
> >> # sysctl kern.ipc.numopensockets
> >> kern.ipc.numopensockets: 4984
> >>
> >> --
> >> . .
> >>
> >>
> >
> >
>
>
> --
> kirillrst.com

--



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