From: don-lartc@isis.cs3-inc.com (Don Cohen)
To: lartc@vger.kernel.org
Subject: [LARTC] Re: measuring queueing delay using iproute2
Date: Wed, 27 Feb 2002 16:57:11 +0000 [thread overview]
Message-ID: <marc-lartc-101482917527694@msgid-missing> (raw)
How about this:
use tcpdump to record the packets of that class
match up the incoming and outgoing packets
take the difference in tcp timestamps
> From: Radhakrishnan Vijay <vijayr13@yahoo.com>
> To: lartc@mailman.ds9a.nl
> Subject: [LARTC] measuring queueing delay using iproute2
>
> 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.
It won't help to modify iproute2. It's not doing the forwarding.
It only tells the kernel what you want the kernel to do.
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next reply other threads:[~2002-02-27 16:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-27 16:57 Don Cohen [this message]
2002-02-28 9:02 ` [LARTC] Re: measuring queueing delay using iproute2 bert hubert
2002-02-28 16:51 ` Don Cohen
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