Date: Thu, 11 Nov 2010 22:44:31 +0000 From: "rene@reckschwardt.de" <rene@reckschwardt.de> To: freebsd-net@freebsd.org Subject: Re: ML370 G4 with poor Network Performance and high CPU Load Message-ID: <20101111224434.72664B470D68@rds11224.i4e-server.de> In-Reply-To: <20101111213156.GG17566@michelle.cdnetworks.com> References: <20101111193534.A7D838090AAD@rds11224.i4e-server.de> <20101111213156.GG17566@michelle.cdnetworks.com>
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Hello YongHyeon,
yes, booth Test-Servers are in idle State, no Disk activity and no=20
important Networktraffic.
the pciconf -lcbv for the Nics:
em0@pci0:7:1:0: class=3D0x020000 card=3D0x00db0e11 chip=3D0x10108086 rev=3D=
0x01=20
hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'Dual Port Gigabit Ethernet Controller (Copper)=20
(82546EB)'
class =3D network
subclass =3D ethernet
bar [10] =3D type Memory, range 64, base 0xfdfe0000, size 131072, =
enabled
bar [18] =3D type Memory, range 64, base 0xfdf80000, size 262144, =
enabled
bar [20] =3D type I/O Port, range 32, base 0x6000, size 64, enable=
d
cap 01[dc] =3D powerspec 2 supports D0 D3 current D0
cap 07[e4] =3D PCI-X 64-bit supports 133MHz, 2048 burst read, 1 spli=
t=20
transaction
cap 05[f0] =3D MSI supports 1 message, 64 bit
em1@pci0:7:1:1: class=3D0x020000 card=3D0x00db0e11 chip=3D0x10108086 rev=3D=
0x01=20
hdr=3D0x00
vendor =3D 'Intel Corporation'
device =3D 'Dual Port Gigabit Ethernet Controller (Copper)=20
(82546EB)'
class =3D network
subclass =3D ethernet
bar [10] =3D type Memory, range 64, base 0xfdf60000, size 131072, =
enabled
bar [20] =3D type I/O Port, range 32, base 0x6040, size 64, enable=
d
cap 01[dc] =3D powerspec 2 supports D0 D3 current D0
cap 07[e4] =3D PCI-X 64-bit supports 133MHz, 2048 burst read, 1 spli=
t=20
transaction
cap 05[f0] =3D MSI supports 1 message, 64 bit
if you need more Info please ask me ;-)
thanks for your responce r=E9
> On Thu, Nov 11, 2010 at 07:35:32PM +0000, rene@reckschwardt.de wrote:
>> Hello,
>>
>> i am new in this Maillist and i use an ML370G4 with FreeBSD 8.1 AMD64.=
I
>> try with netio and TCP. The used Nics are onboard Broadcom
>> (PCI-X133Mhz), an Broadcom PCI-X Nic and an intel PCI-X Nic. The CPU
>> load is around 35% and the performance like this:
>>
>> Packet size 1k bytes: 99303 KByte/s Tx, 44576 KByte/s Rx.
>> Packet size 2k bytes: 72043 KByte/s Tx, 75200 KByte/s Rx.
>> Packet size 4k bytes: 23280 KByte/s Tx, 66072 KByte/s Rx.
>> Packet size 8k bytes: 55234 KByte/s Tx, 64470 KByte/s Rx.
>> Packet size 16k bytes: 82485 KByte/s Tx, 74099 KByte/s Rx.
>> Packet size 32k bytes: 93133 KByte/s Tx, 74992 KByte/s Rx.
>>
> And you did perform the test on idle system?(No disk activity, no
> other network IOs etc).
>
> Show me the dmesg output of verbose boot and output of "pciconf
> -lcbv".
>
>> I try the following tuning:
>>
>> kern.ipc.maxsockbuf=3D16777216
>> net.inet.tcp.sendbuf_max=3D16777216
>> net.inet.tcp.recvbuf_max=3D16777216
>> net.inet.tcp.sendbuf_inc=3D16384
>> net.inet.tcp.recvbuf_inc=3D524288
>> net.inet.tcp.inflight.enable=3D0
>> net.inet.tcp.hostcache.expire=3D1
>>
>> but this is not helpfull, the Load goes to 60% and the Performance is
>> also poor. How can i prevent this Problem?
>>
>> thanks for response r?
>>
>>
>> P.S. the same Computer with Linux runs perfect with Performance and 1-=
2%
>> Load,
>>
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