.TH sar\-c.d 1m "Jun 12, 2005" "version 0.90" "USER COMMANDS" .SH NAME sar\-c.d \- sar \-c demo in DTrace. Uses DTrace. .SH SYNOPSIS .B sar\-c.d .SH DESCRIPTION This has been written to demonstrate fetching the same data as sar \-c from DTrace. This program is intended as a starting point for other DTrace scripts, by beginning with familiar statistics. Since this uses DTrace, only the root user or users with the dtrace_kernel privilege can run this command. .SH EXAMPLES .TP Print system call counts every second, # .B sar\-c.d .PP .SH FIELDS .TP scall/s System calls .TP sread/s reads .TP swrit/s writes .TP fork/s forks .TP exec/s execs .TP rchar/s read characters .TP wchar/s write characters .PP .SH IDEA David Rubio, who also wrote the original. .PP .SH NOTES As this program does not use Kstat, there is no summary since boot line. .PP .SH DOCUMENTATION 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 sar\-c.d will run until Ctrl\-C is hit. .SH AUTHOR Brendan Gregg [Sydney, Australia] .SH SEE ALSO sar(1M), dtrace(1M)