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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