Ethereal-dev: Re: [Ethereal-dev] Ethereal performance, after Guy's changes ...

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From: "Ronnie Sahlberg" <ronnie_sahlberg@xxxxxxxxxxxxxx>
Date: Wed, 19 Nov 2003 21:26:47 +1100
You do not use any color filters.

Anyway, either the RTP thing is updated to not register the tap unless the
user selects it from the menu or we just reverse it.


----- Original Message ----- 
From: "Guy Harris"
Sent: Wednesday, November 19, 2003 9:21 PM
Subject: Re: [Ethereal-dev] Ethereal performance, after Guy's changes ...


> On Wed, Nov 19, 2003 at 11:09:56AM +0100, Lars Ruoff wrote:
> > (However CPU consumption is negligible
>
> ...but only if you don't use a filter for the RTP streams tap.
>
> If you do, it's not as fast as you might think when reading in the file.
>
> Just passing NULL rather than (a copy of) "rtp && ip && !icmp") in the
> "register_tap_listener()" call in "register_tap_listener_rtp_stream()"
> reduced the user-mode CPU time required to read in one large capture I
> have from 68.5 seconds to 28.6 seconds.
>
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