command linux in java code

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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)

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