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Date:      Wed, 26 Oct 2005 09:51:58 +0100
From:      Joao Barros <joao.barros@gmail.com>
To:        Mike Tancsa <mike@sentex.net>
Cc:        freebsd-current@freebsd.org, Robert Atkinson <phreaki@gmail.com>
Subject:   Re: Poor Samba throughput on 6.0 RC1
Message-ID:  <70e8236f0510260151q4a891cb4m35b0b98cffc048a6@mail.gmail.com>
In-Reply-To: <6.2.3.4.0.20051025195327.07e7b9a8@64.7.153.2>
References:  <70e8236f0510241518x7b280938jd15f7e8c3224cbd@mail.gmail.com> <435D64B2.2020703@linkline.com> <6fb2b4650510242021l72a1ceb9m91e72a0420458982@mail.gmail.com> <70e8236f0510251636k1002cc96yd357492a138e1933@mail.gmail.com> <6.2.3.4.0.20051025195327.07e7b9a8@64.7.153.2>

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On 10/26/05, Mike Tancsa <mike@sentex.net> wrote:
> At 07:36 PM 25/10/2005, Joao Barros wrote:
>
> >Tipical 'systat -vm' when getting most bandwith (5.4MB/s):
>
>
> On my home box (2Ghz celeron) doing an xcopy to a share on a plain
> old IDE drive
>
>        tty             ad0            twed0              da1             =
cpu
>   tin tout  KB/t tps  MB/s   KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in=
 id
>     0   78 128.00  74  9.24   0.00   0  0.00   0.00   0  0.00   2  0 20 4=
4 34
>     0  232 128.00  75  9.37   0.00   0  0.00   0.00   0  0.00   1  0 15 4=
6 38
>     0   78 126.53  76  9.38   0.00   0  0.00   0.00   0  0.00   2  0 13 3=
2 53
>     0   78 128.00  74  9.24   0.00   0  0.00   0.00   0  0.00   4  0 27 3=
7 31
>
> This is just fastE on a realtek.

How many Interrupts is that generating on the realtek?
I'm seeing 2127 interrupts on my fxp0 and I believe it to be too much.
I'm going to capture some traffic in order to see the packet size and rate.

>
> Oddly enough, reading is not quite as fast, but close enough.  It
> might be my fragmented laptop drive cant write out very fast
>
>
>     0   77 88.73  11  0.95   0.00   0  0.00   0.00   0  0.00   0  0  0  5=
 95
>     0   77 128.00  69  8.61   0.00   0  0.00   0.00   0  0.00   4  0 11 3=
5 50
>     0   78 128.00  72  8.99   0.00   0  0.00   0.00   0  0.00   0  0 15 3=
4 51
>     0   78 128.00  72  8.99   0.00   0  0.00   0.00   0  0.00   3  0 11 3=
3 53
>     0   78 121.23  70  8.28   0.00   0  0.00   0.00   0  0.00   3  0 17 3=
2 49
>     0   78 128.00  70  8.74   0.00   0  0.00   0.00   0  0.00   2  0 11 3=
4 53
>     0   78 128.00  72  8.99   0.00   0  0.00   0.00   0  0.00   1  0 13 3=
5 52
>     0   78 128.00  72  8.99   0.00   0  0.00   0.00   0  0.00   3  0 17 3=
2 48
>     0   78 126.38  69  8.50   0.00   0  0.00   0.00   0  0.00   1  0 10 3=
7 53
>     0   78 128.00  71  8.86   0.00   0  0.00   0.00   0  0.00   4  0 13 2=
9 54
>     0   78 128.00  72  8.99   0.00   0  0.00   0.00   0  0.00   1  0 12 3=
7 50
>     0   78 126.42  71  8.76   0.00   0  0.00   0.00   0  0.00   2  0 14 3=
3 52
>     0   78 128.00  68  8.49   0.00   0  0.00   0.00   0  0.00   2  0 16 3=
2 50
>     0   78 121.60  70  8.30   0.00   0  0.00   0.00   0  0.00   1  0 11 3=
5 53
>
>          ---Mike
>
>


--
Joao Barros



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