ophelp (1) Linux Manual Page
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.