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[ndt-dev] [ndt] r520 committed - Improved web100 snaplog trace description.


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  • Subject: [ndt-dev] [ndt] r520 committed - Improved web100 snaplog trace description.
  • Date: Wed, 24 Aug 2011 12:58:28 +0000

Revision: 520
Author:

Date: Wed Aug 24 05:57:14 2011
Log: Improved web100 snaplog trace description.
http://code.google.com/p/ndt/source/detail?r=520

Modified:
/wiki/NDTDataFormat.wiki

=======================================
--- /wiki/NDTDataFormat.wiki Wed Aug 24 05:41:51 2011
+++ /wiki/NDTDataFormat.wiki Wed Aug 24 05:57:14 2011
@@ -31,7 +31,9 @@

===web100 snaplog trace===

-This file contains all the the web100 kernel MIB variables in 5 msec increments. The NDT package comes with a utility (called genplot) that can convert these trace files into text or xplot graph files. Alternatively the user can write their own analysis program using the web100 library functions.
+Writing snaplog file is enabled by `--snaplog` option.
+
+This file contains all the the [http://www.web100.org/ web100] kernel MIB variables' values written in a fixed time (default is 5 msec) increments. The list of logged variables with a short description can be found in the [NDTProtocol#Appendix_A._web100_variables NDT Protocol document].

===web100srv.log file===

@@ -71,6 +73,8 @@

The tcpdump files can be read using [http://www.tcpdump.org/ tcpdump] and [http://www.tcptrace.org/ tcptrace] programs.

+The NDT package comes with a utility (called genplot) that can convert snaplog trace files into text or xplot graph files. Alternatively the user can write their own analysis program using the web100 library functions.
+
The NDT server also contains a Java application that can look through the NDT log files and link log entries to trace files, and it also simplifies the viewing of this data. The utility will need to be rewritten slightly to take advantage of the meta files instead of (in addition to) the log files.

The detailed tcpdump and snaplog files can be used to re-examine the test to see what happened, i.e.:


  • [ndt-dev] [ndt] r520 committed - Improved web100 snaplog trace description., ndt, 08/24/2011

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