From: Ariane Keller <ariane.keller@tik.ee.ethz.ch>
To: Ben Greear <greearb@candelatech.com>
Cc: Ariane Keller <ariane.keller@tik.ee.ethz.ch>,
Patrick McHardy <kaber@trash.net>,
Stephen Hemminger <shemminger@linux-foundation.org>,
netdev@vger.kernel.org, herbert@gondor.apana.org.au,
Rainer Baumann <baumann@tik.ee.ethz.ch>
Subject: Re: [PATCH 0/2] netem: trace enhancement
Date: Tue, 04 Dec 2007 18:54:29 +0100 [thread overview]
Message-ID: <47559455.1080009@ee.ethz.ch> (raw)
In-Reply-To: <47559119.6070803@candelatech.com>
I thought about that as well, but in my opinion this does not help much.
It's the same as before: in average every 10ms a new buffer needs to be
filled.
Ben Greear wrote:
> Ariane Keller wrote:
>>
>> Increasing the cache size to say 32k for each buffer would be no problem.
>> Is this enough?
> Maybe just a variable length list of 4k buffers chained together? Its
> usually easier
> to get 4k chunks of memory than 32k chunks, especially under high
> network load,
> and if you go ahead an make it arbitrary length, then each user can
> determine how many
> they want to have queued...
>
> Thanks,
> Ben
>
>
next prev parent reply other threads:[~2007-12-04 17:54 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-20 22:11 [PATCH 0/2] netem: trace enhancement Ariane Keller
2007-11-27 13:57 ` Ariane Keller
2007-11-29 21:45 ` Stephen Hemminger
2007-11-29 22:03 ` Patrick McHardy
2007-11-30 16:25 ` Ariane Keller
2007-12-03 7:45 ` Patrick McHardy
2007-12-03 9:12 ` Ariane Keller
2007-12-03 17:35 ` Patrick McHardy
2007-12-03 18:29 ` Ben Greear
2007-12-04 14:45 ` Ariane Keller
2007-12-04 14:58 ` Patrick McHardy
2007-12-05 12:57 ` Ariane Keller
2007-12-05 13:05 ` Patrick McHardy
2007-12-10 14:32 ` Ariane Keller
2007-12-12 23:13 ` Stephen Hemminger
2007-12-04 17:40 ` Ben Greear
2007-12-04 17:54 ` Ariane Keller [this message]
2007-12-04 18:07 ` Ben Greear
2007-12-04 21:41 ` Ariane Keller
2007-12-04 22:21 ` Ben Greear
2007-12-05 6:12 ` Ariane Keller
2007-12-23 19:54 ` Ariane Keller
2007-12-23 19:54 ` [PATCH 0/2] netem: trace enhancement: kernel Ariane Keller
2007-12-28 16:08 ` Patrick McHardy
2007-12-28 21:02 ` Ariane Keller
2007-12-23 19:54 ` [PATCH 0/2] netem: trace enhancement: iproute Ariane Keller
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