dummynet: waking up pipe
Evgenii Davidov
dado at korolev-net.ru
Fri Jan 22 13:35:39 UTC 2010
Здравствуйте,
On Fri, Jan 22, 2010 at 02:39:05PM +0100, Luigi Rizzo пишет:
> On Fri, Jan 22, 2010 at 04:10:26PM +0300, Evgenii Davidov wrote:
> > ????????????,
> >
> > On Tue, Jan 12, 2010 at 02:05:39PM +0300, Evgenii Davidov ?????:
> >
> > > hello
> > >
> > > when i enable net.inet.ip.dummynet.debug i get a lot of:
> > >
> > > Jan 12 13:53:32 r2 kernel: dummynet: waking up pipe 1380 at 1460
> > > Jan 12 13:53:32 r2 kernel: dummynet: waking up pipe 2931 at 40
> > > Jan 12 13:53:32 r2 kernel: dummynet: waking up pipe 5189 at 40
> > > Jan 12 13:53:32 r2 kernel: dummynet: waking up pipe 4562 at 112
> > > Jan 12 13:53:32 r2 kernel: dummynet: waking up pipe 3610 at 51
> > > Jan 12 13:53:32 r2 kernel: dummynet: waking up pipe 597 at 40
> > > Jan 12 13:53:32 r2 kernel: dummynet: waking up pipe 1380 at 1400
> > > Jan 12 13:53:32 r2 kernel: dummynet: waking up pipe 1445 at 99
> > > Jan 12 13:53:32 r2 kernel: dummynet: waking up pipe 3610 at 51
> > > Jan 12 13:53:32 r2 kernel: dummynet: waking up pipe 3610 at 40
> > > Jan 12 13:53:32 r2 kernel: dummynet: waking up pipe 597 at 40
> > > Jan 12 13:53:32 r2 kernel: dummynet: waking up pipe 218 at 1500
> > >
> > > is it bad?
>
> this is just a debug message so ignore it.
>
> > > let's see 3610:
> > >
> > > ipfw pipe 3610 config bw 10500Kbit/s
> > > ipfw queue 3610 config pipe 3610 mask dst-ip 0xffffffff
> > > ipfw table 80 add 10.168.167.227 3610
> > > ipfw table 80 add 89.222.187.184 3610
> > >
> > > 00040 8708035 7887386208 queue tablearg ip from any to table(80) out via bge1
> > > 00050 44793529 40386675667 pipe tablearg ip from any to table(2) out via bge1
> > > 00070 8006000 3713846496 pipe 16 ip from table(16) to any in via bge1
> > > 00071 68767107 23673242157 pipe 5 ip from not table(16) to any in via bge1
> > >
> > > ipfw pipe 3610 show
> > >
> > > 03610: 10.500 Mbit/s 0 ms 50 sl. 0 queues (1 buckets) droptail
> > > q03610: weight 1 pipe 3610 50 sl. 1 queues (512 buckets) droptail
> > > mask: 0x00 0x00000000/0x0000 -> 0xffffffff/0x0000
> > > BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
> > > 5 ip 0.0.0.0/0 10.10.187.184/0 639563 40272017 0 0 0
> > >
> > > 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
>
> cheers
> luigi
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--
Evgenii V Davidov
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