Enabling and disabling the sampling mechanism (prfstat)
The prfstat command enables or disables the sampling mechanism.
The prfstat command has the following format:
/usr/sbin/prfstat [off | on [system_namelist]]
where system_namelist is a file of module names.
The default system namelist for nonloadable modules is
/stand/unix and the files in /etc/conf/mod.d
are the system namelists for loadable modules.
Profiler overhead is less than 3 percent
as calculated for 2000 text addresses.
If neither of the optional parameters is supplied,
the status of the profiler is displayed.
If the on parameter is supplied, the
sampling mechanism is turned on.
The opposite happens if off is supplied.
If the profiler has not been initialized (loaded) with
prfld, prfstat will do so when given the
With the off option, prfstat
de-initializes the sampling mechanism and unlocks the loadable modules.
Collecting profiling data (prfdc, prfsnap)
Loading the system profiler (prfld)
© 2007 The SCO Group, Inc. All rights reserved.
SCO OpenServer Release 6.0.0 -- 05 June 2007