Re: Performance degradation in trunk

[Anders Broman <anders.broman () ericsson com>]

-----Original Message-----
From: wireshark-dev-bounces () wireshark org [mailto:wireshark-dev-bounces () wireshark org] On Behalf Of Evan Huus
Sent: den 12 september 2013 13:15
To: balint () balintreczey hu; Developer support list for Wireshark
Subject: Re: [Wireshark-dev] Performance degradation in trunk

On 2013-09-12, at 5:40 AM, Bálint Réczey <balint () balintreczey hu> wrote:

> > Could they analyze perf results or run git bisect to find the point 
> > when the degradation started?

> Since this is on Ubuntu (which can run valgrind) just use the -p option to tools/valgrind-wireshark.sh and it will 
> produce a performance profile. Do that for >both builds and we'll have something to work with.
>
> Evan

Here's the output from "trunk", how do you get anything useful from it?
/Anders

> PS I suspect some new heuristic dissector has been introduced, since none of the other changes from 1.8 to trunk are 
> likely to have such a significant >performance impact.

> Cheers,
> Balint
>
> 2013/9/12 Anders Broman <anders.broman () ericsson com>:
> > Hi,
> >
> > I recently supplied some people with an internal build from recent 
> > trunk and got complaints on performance. Switching back
> >
> > To the default Wireshark on the Ubuntu 13.04 system 1.8.2 reading of 
> > a 400M trace file with SIP Diameter etc traffic is more than twice as fast.
> >
> > Regards
> >
> > Anders
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