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Old 09-01-2008
libnetdude 0.11 (Default branch)
libnetdude is the packet manipulation backend ofthe Netdude trace file editing framework. Itallows you to perform trace file manipulations ata much higher level of abstraction than codewritten directly for the pcap interface. It alsosupports plugins (dynamically loaded libraries)that can essentially do whatever the programmerdesires. When developers write their packetmanipulation code as libnetdude plugins, thisinstantly allows other developers to use theirtools. It provides data types and APIs for themost common situations when dealing with libpcaptrace files: trace files of arbitrary size,packets, network protocols, packet iterators, andpacket filters, just to name a few. License: BSD License (revised)Changes:
This release adds support for VLAN-tagged packets. It fixes a small number of bugs in the handling of unused space in packets.Image

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LEARN ABOUT CENTOS

trace-cmd-hist

TRACE-CMD-HIST(1)														 TRACE-CMD-HIST(1)

NAME

       trace-cmd-hist - show histogram of events in trace.dat file

SYNOPSIS

       trace-cmd hist [OPTIONS][input-file]

DESCRIPTION

       The trace-cmd(1) hist displays a histogram form from the trace.dat file. Instead of showing the events as they were ordered, it creates a
       histogram that can be displayed per task or for all tasks where the most common events appear first. It uses the function tracer and call
       stacks that it finds to try to put together a call graph of the events.

OPTIONS

       -i input-file
	   By default, trace-cmd hist will read the file trace.dat. But the -i option open up the given input-file instead. Note, the input file
	   may also be specified as the last item on the command line.

       -P
	   To compact all events and show the call graphs by ignoring tasks and different PIDs, add the -P to do so. Instead of showing the task
	   name, it will group all chains together and show "<all pids>".

SEE ALSO

       trace-cmd(1), trace-cmd-record(1), trace-cmd-report(1), trace-cmd-start(1), trace-cmd-stop(1), trace-cmd-extract(1), trace-cmd-reset(1),
       trace-cmd-split(1), trace-cmd-listen(1)

AUTHOR

       Written by Steven Rostedt, <rostedt@goodmis.org[1]>

RESOURCES

       git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git

COPYING

       Copyright (C) 2010 Red Hat, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL).

NOTES

	1. rostedt@goodmis.org
	   mailto:rostedt@goodmis.org

								    06/11/2014							 TRACE-CMD-HIST(1)