ophelp (1) Linux Manual Page
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)