How to get a result of a cmd into variable? Post: 302173265

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LEARN ABOUT CENTOS

trace-cmd-list

TRACE-CMD-LIST(1)														 TRACE-CMD-LIST(1)

NAME

       trace-cmd-list - list available plugins, events or options for Ftrace.

SYNOPSIS

       trace-cmd list [OPTIONS]

DESCRIPTION

       The trace-cmd(1) list displays the available plugins, events or Ftrace options that are configured on the current machine. If no option is
       given, then it lists all plugins, events and Ftrace options to standard output.

OPTIONS

       -e
	   This option will list the available events that are enabled on the local system.

       -t
	   This option will list the available tracers that are enabled on the local system.

       -p
	   Same as -t and only for legacy purposes.

       -o
	   This option will list the available Ftrace options that are configured on the local system.

       -f [regex]
	   This option will list the available filter functions. These are the list of functions on the system that you can trace, or filter on.
	   It takes an optional argument that uses regcomp(3) expressions to seach.

	       trace-cmd list -f '^sched.*'

       -P
	   List the plugin files that get loaded on trace-cmd report.

       -O
	   List plugin options that can be used by trace-cmd report -O option.

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-LIST(1)

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