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opcontrol



SYNOPSIS

       opcontrol [ options ]


DESCRIPTION

       opcontrol  can be used to start profiling, end a profiling
       session, dump profile  data,  and  set  up  the  profiling
       parameters.


OPTIONS

       --help Show help message.

       --version
              Show version.

       --list-events
              Shows the monitorable events.

       --init Load  the  OProfile module if required and make the
              OProfile driver interface available.

       --setup
              Followed by list options for profiling setup. Store
              setup in ~root/.oprofile/daemonrc. Optional.

       --start-daemon
              Start  the oprofile daemon without starting profil­
              ing. Not available in 2.2/2.4 kernels.

       --start
              Start data collection with  either  arguments  pro­
              vided   by   --setup   of   information   saved  in
              ~root/.oprofile/daemonrc.

       --dump Force a flush of the collected  profiling  data  to
              the daemon.

       --stop Stop data collection. Not available in 2.2/2.4 ker­
              nels.

       --shutdown
              Stop data collection and remove daemon.

       --reset
              Clear out data from  current  session,  but  leaves
              saved sessions.

       --save=sessionname
              Save data from current session to sessionname.

       --deinit
              Shut  down  daemon.  Unload the oprofile module and
              mask=0xf).

       --ctrN-kernel=[0|1]
              Count events in kernel mode when 1,  do  not  count
              when 0 (default 1).

       --ctrN-user=[0|1]
              Count events in user mode when 1, do not count when
              0 (default 1).

       --pid-filter=pid
              Only profile process pid (only  available  for  2.4
              version).  Set to 'none' to enable profiling of all
              PIDs again.

       --pgrp-filter=pgrp
              Only profile process tty group pgrp (only available
              for 2.4 version). Set to 'none' to enable profiling
              of all PIDs again.

       --separate=[none,library,kernel,all]
              Separate samples  based  on  the  given  separator.
              'library'    per-application   dynamically   linked
              libraries samples files.  'kernel'  per-application
              modules  and  kernel  samples files, 'kernel' imply
              'library'. 'all' imply all the  above  options  and
              'none' turns off separation.

       --vmlinux=file
              vmlinux kernel image.

       --no-vmlinux
              Use this when you don't have a kernel vmlinux file,
              and you don't want to profile the kernel.

       --verbose
              Be verbose in the daemon log. This has a high over­
              head.

       --kernel-range=start,end
              Set kernel range vma address in hexadecimal.


ENVIRONMENT

       No  special  environment variables are recognised by opre­
       port.


FILES

       /home/root/.oprofile/daemonrc
              Configuration file for opcontrol

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