sampleproc(1) USER COMMANDS sampleproc(1)
NAME
sampleproc - sample processes on the CPUs. Uses DTrace.
SYNOPSIS
sampleproc [hertz]
DESCRIPTION
This program samples which process is on each CPU, at a particular con- figurable rate. This can be used as an estimate for which process is consuming the most CPU time. Since this uses DTrace, only users with root privileges can run this command.
EXAMPLES
Sample at 100 hertz, # sampleproc Sample at 400 hertz, # sampleproc 400
FIELDS
PID process ID COMMAND command name COUNT number of samples PERCENT percent of CPU usage
BASED ON
/usr/demo/dtrace/prof.d
DOCUMENTATION
DTrace Guide "profile Provider" chapter (docs.sun.com) See the DTraceToolkit for further documentation under the Docs direc- tory. The DTraceToolkit docs may include full worked examples with ver- bose descriptions explaining the output.
EXIT
sampleproc will sample until Ctrl-C is hit.
SEE ALSO
dtrace(1M) version 0.70 Jun 09, 2005 sampleproc(1)
Mac OS X 10.6 - Generated Thu Sep 17 20:09:05 CDT 2009