Wireshark-dev: Re: [Wireshark-dev] Port Expert info changes to 1.2.2? -Significant performance
From: "Anders Broman" <[email protected]>
Date: Wed, 26 Aug 2009 13:17:45 +0200
Hi,
As this enhancement is limited to one function and and not that much code (I think ) it's still something to
consider as the benefits are great and it can be delivered within a short timeframe.
 
I think we should be strict about new functionality but not rigid.
 
If we want the new packet list in 1.4 there's a lot of work left so a new release might be many month away.
 
Regards
Anders


From: [email protected] [mailto:[email protected]] On Behalf Of Jaap Keuter
Sent: den 26 augusti 2009 11:41
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] Port Expert info changes to 1.2.2? -Significant performance improvement.

Hi,

Yeah, i know it's good. Hence it should be the attraction for 1.4, not 1.2.
Otherwise where will it end?
Again a reason to release stable before sharkfest'10 ;)

Thanx,
Jaap

Sent from my iPhone

On 26 aug 2009, at 10:41, "Anders Broman" <[email protected]> wrote:

Hi,
I've been doing some measurements on the improvements to the Export info functions:
61 Mb file 159047 Packets 118 844 Errors (UDP checksum).

                         WS 1.2.1        Trunk Old packet list    Trunk New packet list
Load file:              ~16s                   ~14s                     ~4s
Memory used: 232 812 kb       182 324 kb                  131 716 kb

Start:
Expert info comp: 1.35s                  ~10s                       ~10s
Memory used: 299 028            241 336 kb                  190 832 kb

Add
Expert info:          1.44s               ~12s                         ~12s
Memory used: 363 244 kb         291 528 kb                241 032kb


As you can see there is a significant reduction in the time required to load the expert data in trunk. Some of the gain is probably

Due to other changes but I still believe it would be worth it to port this even if it's new functionality or is the old behavior a bug?  ;-)

There is no significant change in memmory usage in expert infos.
Regards
Anders

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