Wireshark · Wireshark-dev: Re: [Wireshark-dev] Performance degradation in trunk

[Evan Huus <eapache@xxxxxxxxx>]

On 2013-09-12, at 5:40 AM, Bálint Réczey <balint@xxxxxxxxxxxxxxx> 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

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@xxxxxxxxxxxx>:
>> 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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