08-03-2014
If you can't show us some sample input and show us what you are hoping to get out of it, there is very little we can do to help you.
Show us your input. Show us the output you want. Show us the code you have tried and explain what isn't working for you.
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LEARN ABOUT CENTOS
ophelp
OPHELP(1) General Commands Manual OPHELP(1)
NAME
ophelp - list OProfile events
SYNOPSIS
ophelp [ options ] [event name]
DESCRIPTION
By default, ophelp lists the available performance counter options. If you give it a symbolic event name, it will return the hardware value
(e.g. "ophelp DATA_MEM_REFS").
OPTIONS
--cpu-type / -c
Show the events for the given numerical CPU type.
--get-cpu-type / -r
Show the symbolic CPU name.
--get-default-event / -d
Show the default event for the specified CPU type.
--check-events / -e [events]
Check the given space-separated event descriptions for validity. If the events are valid, show which pmu counter each event would
be assigned to.
--callgraph [callgraph_depth]
Use the callgraph depth to compute the higher minimum sampling intervals for the events.
--unit-mask / -u [event]
Show the default unit mask for the given event.
--extra-mask / -E [event]
Show the extra unit mask for given event.
--xml / -X
List events in XML format.
--help / -? / --usage
Show help message.
--version / -v
Show version.
ENVIRONMENT
No special environment variables are recognised by ophelp.
FILES
$prefix/share/oprofile/
Event description files used by OProfile.
/var/lib/oprofile/samples/
The location of the generated sample files.
VERSION
This man page is current for oprofile-0.9.9.
SEE ALSO
/usr/share/doc/oprofile/, oprofile(1)
4th Berkeley Distribution Tue 10 June 2014 OPHELP(1)