ophelp (1) - Linux Manuals

ophelp: list OProfile events

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.
--symbolic-unit-mask / -U [event]
Show the numerical unit and extra mask for 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)