OPHELP(1)                  General Commands Manual                 OPHELP(1)

NAME         top

       ophelp - list OProfile events

SYNOPSIS         top

       ophelp [ options ] [event name]

DESCRIPTION         top

       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         top

       --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         top

       No special environment variables are recognised by ophelp.

FILES         top

              Event description files used by OProfile.

VERSION         top

       This man page is current for oprofile-1.4.0git.

SEE ALSO         top

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

COLOPHON         top

       This page is part of the oprofile (a system-wide profiler for Linux)
       project.  Information about the project can be found at 
       ⟨⟩.  If you have a bug report for
       this manual page, see ⟨⟩.  This
       page was obtained from the project's upstream Git repository ⟨git
       clone git://⟩ on 2018-10-29.  (At
       that time, the date of the most recent commit that was found in the
       repository was 2018-08-06.)  If you discover any rendering problems
       in this HTML version of the page, or you believe there is a better or
       more up-to-date source for the page, or you have corrections or
       improvements to the information in this COLOPHON (which is not part
       of the original manual page), send a mail to

4th Berkeley Distribution    Mon 29 October 2018                   OPHELP(1)