Wireshark-bugs: [Wireshark-bugs] [Bug 10606] New: Incorrect absolute time values in IO graph aft
Date: Wed, 22 Oct 2014 06:16:59 +0000
Bug ID 10606
Summary Incorrect absolute time values in IO graph after copying as CSV
Product Wireshark
Version 1.10.7
Hardware x86-64
OS Windows 7
Status UNCONFIRMED
Severity Critical
Priority Low
Component GTK+ UI
Assignee bugzilla-admin@wireshark.org
Reporter vishnu.bhatt@aricent.com

Created attachment 13187 [details]
extract pcap file from 7z

Build Information:
Version 1.10.7 (v1.10.7-0-g6b931a1 from master-1.10)

Copyright 1998-2014 Gerald Combs <gerald@wireshark.org> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled (64-bit) with GTK+ 2.24.14, with Cairo 1.10.2, with Pango 1.30.1, with
GLib 2.34.1, with WinPcap (4_1_3), with libz 1.2.5, without POSIX capabilities,
without libnl, with SMI 0.4.8, with c-ares 1.9.1, with Lua 5.1, without Python,
with GnuTLS 2.12.18, with Gcrypt 1.4.6, without Kerberos, with GeoIP, with
PortAudio V19-devel (built Jun  3 2014), with AirPcap.

Running on 64-bit Windows 7 Service Pack 1, build 7601, with WinPcap version
4.1.3 (packet.dll version 4.1.0.2980), based on libpcap version 1.0 branch
1_0_rel0b (20091008), GnuTLS 2.12.18, Gcrypt 1.4.6, without AirPcap.
        Intel(R) Core(TM) i5-2400 CPU @ 3.10GHz, with 3992MB of physical
memory.


Built using Microsoft Visual C++ 10.0 build 30319

Wireshark is Open Source Software released under the GNU General Public
License.

Check the man page and http://www.wireshark.org for more information.
--
In the attached log (server1.pcap), following steps are followed:

1) Open the log.
2) Apply the filter tcp.dstport == 61538
3) Go to Statistics->IO Graph
4) In graph 2: tcp.dstport == 61538 is plotted with the following options (red
graph):
   Tick Interval = 0.1 secs
   Unit = Bytes/Tick
   View as time of day has been checked.

Now if I copy the graph using "Copy" button and pasting it to an excel sheet, I
am getting the following discrepancy.


     Interval     Graph2
For 20:13:57.4    13502 ---- But actually it is for the interval 20:13:57.5.
Same is the case for the rest of the time. This can be calculated from the pcap
file.

Thanks


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