ophelp man page

ophelp — list OProfile events


ophelp [ options ] [event name]


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").


--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.


No special environment variables are recognised by ophelp.


Event description files used by OProfile.


This man page is current for oprofile-1.1.0.

See Also

/usr/share/doc/oprofile/, oprofile(1)


Fri 05 February 2016 oprofile 1.1.0