09-21-2010
Help with filtering trace file through grep
Hi,
I am using NS2 and i need to filter a trace file (part of which is shown below):
- 33.91576 2 3 tcp 1040 ------- 1 0.0 4.0 1115 2258
r 33.918907 4 3 ack 40 ------- 1 4.0 0.0 1107 2272
+ 33.918907 3 2 ack 40 ------- 1 4.0 0.0 1107 2272
- 33.918907 3 2 ack 40 ------- 1 4.0 0.0 1107 2272
r 33.9192 2 0 ack 40 ------- 1 4.0 0.0 1103 2264
+ 33.9192 0 2 tcp 1040 ------- 1 0.0 4.0 1123 2275
- 33.9192 0 2 tcp 1040 ------- 1 0.0 4.0 1123 2275
r 33.93256 2 3 tcp 1040 ------- 1 0.0 4.0 1111 2250
+ 33.93256 3 4 tcp 1040 ------- 1 0.0 4.0 1111 2250
- 33.93256 3 4 tcp 1040 ------- 1 0.0 4.0 1111 225
........................
The file needs to be filtered such that column number 3 should only contain "3" and column number 1 should only contain "r" using GREP (or awk).
Any help is greatly appreciated!
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LEARN ABOUT CENTOS
trace-cmd-check-events
TRACE-CMD-CHECK_EV(1) TRACE-CMD-CHECK_EV(1)
NAME
trace-cmd-check-events - parse the event formats on local system
SYNOPSIS
trace-cmd check-events [OPTIONS]
DESCRIPTION
The trace-cmd(1) check-events parses format strings for all the events on the local system. It returns whether all the format strings can
be parsed correctly. It will load plugins unless specified otherwise.
This is useful to check for any trace event format strings which may contain some internal kernel function references which cannot be
decoded outside of the kernel. This may mean that either the unparsed format strings of the trace events need to be changed or that a
plugin needs to be created to parse them.
OPTIONS
-N - Don't load plugins
SEE ALSO
trace-cmd(1), trace-cmd-record(1), trace-cmd-report(1), trace-cmd-stop(1), trace-cmd-extract(1), trace-cmd-reset(1), trace-cmd-split(1),
trace-cmd-list(1), trace-cmd-listen(1), trace-cmd-start(1)
AUTHOR
Written by Vaibhav Nagarnaik, <vnagarnaik@google.com[1]>
RESOURCES
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git
COPYING
Copyright (C) 2011 Google, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL).
NOTES
1. vnagarnaik@google.com
mailto:vnagarnaik@google.com
06/11/2014 TRACE-CMD-CHECK_EV(1)