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").
ПАРАМЕТРЫ
--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.
Окружающая среда
No special environment variables are recognised by ophelp.
ФАЙЛЫ
$prefix/share/oprofile/
Event description files used by OProfile.
ВЕРСИЯ
This man page is current for oprofile-1.5.0git.
СМОТРИТЕ ТАКЖЕ
/usr/local/share/doc/oprofile/, oprofile(1)
КОЛОФОН
This page is part of the oprofile (a system-wide profiler for
Linux) project. Information about the project can be found at
⟨http://oprofile.sourceforge.net/news/⟩. If you have a bug report
for this manual page, see
⟨http://oprofile.sourceforge.net/bugs/⟩. This page was obtained
from the project's upstream Git repository
⟨git://git.code.sf.net/p/oprofile/oprofile⟩ on 2024-06-14. (At
that time, the date of the most recent commit that was found in
the repository was 2021-11-29.) 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
man-pages@man7.org
4th Berkeley Distribution Fri 14 June 2024 OPHELP(1)
