From: Martin Devera <devik@cdi.cz>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] measuring queueing delay using iproute2
Date: Wed, 27 Feb 2002 08:55:31 +0000 [thread overview]
Message-ID: <marc-lartc-101480018902067@msgid-missing> (raw)
In-Reply-To: <marc-lartc-101477184406327@msgid-missing>
you have to modify kernel code ;) Add one field into
sk_buff and initialize it with TSC at recieve. Then
in global dequeue in sch_generic.c IIRC you can
compute delay and either prinkt or average it directly
in kernel.
devik
On Tue, 26 Feb 2002, Radhakrishnan Vijay wrote:
> I am using the tc functionality provided by iproute2
> to setup classes and queueing disciplines. I have a
> requirement to determine the queueing delay of each
> packet belonging to a particular class so that i can
> measure the average queueing delay over a time
> interval for a particular traffic class. I would be
> grateful if somebody could give me pointers on how i
> possibly can achieve this. I suspect that i would have
> to modify the source code of iproute2 , but am not too
> sure on what segment of the code i should be
> modifying.
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prev parent reply other threads:[~2002-02-27 8:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-27 1:02 [LARTC] measuring queueing delay using iproute2 Radhakrishnan Vijay
2002-02-27 7:55 ` bert hubert
2002-02-27 8:55 ` Martin Devera [this message]
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