From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx]
On Behalf Of Anders Broman
Sent: den 2 december 2015 15:41
To: Developer support list for Wireshark; alexis.lagoutte@xxxxxxxxx
Subject: Re: [Wireshark-dev] Wireshark Performance
 
 
 
Hi,
Running valgrind on my standard pcap we have gone from
==36946== Callgrind, a call-graph generating cache profiler
==36946== Copyright (C) 2002-2013, and GNU GPL'd, by Josef Weidendorfer et al.
==36946== Using Valgrind-3.10.0.SVN and LibVEX; rerun with -h for copyright info
==36946== Command: /home/ericsson/wireshark/.libs/lt-tshark -Y frame -nr /home/ericsson/etxrab/TCT_SIP_traffic.pcapng
==36946==
==36946== For interactive control, run 'callgrind_control -h'.
==36946==
==36946== Events    : Ir
==36946== Collected : 18211043816
==36946==
==36946== I   refs:      18,211,043,816
 
to
 
==4865==
==4865== Events    : Ir
==4865== Collected : 1595333469530
==4865==
==4865== I   refs:      1,595,333,469,530
 
The big difference seems to be
 
Latest                                                              June
87.95  37.92 6 076 548  g_hastable_lookup  5.56 2.98 6 515 523
 
Looking deeper
49.43 25 142 686 213 conversation_match_exact 0.32 576 548
 
decode_udp_ports seems much more expensive
 
Regards
Anders
 
 
 
I’ve been testing the performance a little more and it seems that the loading time has increased not only for GTP protocol. I have sniffed a pcap
 composed by 22844 packets and if you open it up with both versions, v2.0 lasts 0.520s and v2.1 lasts 1.433s. But as you saw before for GTP protocol is even worse, I’ll try to get a pcap example that I can share.
 
Regards.
 
 
I can’t share this one, because it has user data and it’s confidential, but we are going to generate another one that can be share. We are using
 GTP protocol, if that gives you a clue.
 
From:
wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx]
On Behalf Of Alexis La Goutte
Sent: Wednesday 2 December 2015 09:08
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] Wireshark Performance
 
You can directly add the text output of load time...
 
It is possible to share your pcap ?