56 lines
1.1 KiB
Plaintext
56 lines
1.1 KiB
Plaintext
.TH sampleproc 1m "$Date:: 2007-08-05 #$" "USER COMMANDS"
|
|
.SH NAME
|
|
sampleproc \- sample processes on the CPUs. Uses DTrace.
|
|
.SH SYNOPSIS
|
|
.B sampleproc [hertz]
|
|
.SH DESCRIPTION
|
|
This program samples which process is on each CPU, at a particular
|
|
configurable rate. This can be used as an estimate for which process
|
|
is consuming the most CPU time.
|
|
|
|
Since this uses DTrace, only the root user or users with the
|
|
dtrace_kernel privilege can run this command.
|
|
.SH OS
|
|
Solaris
|
|
.SH STABILITY
|
|
unstable - uses the ncpus_online kernel symbol.
|
|
.SH EXAMPLES
|
|
.TP
|
|
Sample at 100 hertz,
|
|
#
|
|
.B sampleproc
|
|
.TP
|
|
Sample at 400 hertz,
|
|
#
|
|
.B sampleproc
|
|
400
|
|
.PP
|
|
.SH FIELDS
|
|
.TP
|
|
PID
|
|
process ID
|
|
.TP
|
|
COMMAND
|
|
command name
|
|
.TP
|
|
COUNT
|
|
number of samples
|
|
.TP
|
|
PERCENT
|
|
percent of CPU usage
|
|
.PP
|
|
.SH BASED ON
|
|
/usr/demo/dtrace/prof.d
|
|
.PP
|
|
.SH DOCUMENTATION
|
|
DTrace Guide "profile Provider" chapter (docs.sun.com)
|
|
|
|
See the DTraceToolkit for further documentation under the
|
|
Docs directory. The DTraceToolkit docs may include full worked
|
|
examples with verbose descriptions explaining the output.
|
|
.SH EXIT
|
|
sampleproc will sample until Ctrl\-C is hit.
|
|
.SH SEE ALSO
|
|
dtrace(1M)
|
|
|