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+.TH procsystime 1m  "$Date:: 2007-08-05 #$" "USER COMMANDS"
+.SH NAME
+procsystime \- analyse system call times. Uses DTrace.
+.SH SYNOPSIS
+.B procsystime
+[\-acehoT] [ -p PID | -n name | command ]
+.SH DESCRIPTION
+procsystime prints details on system call times for processes,
+both the elapsed times and on-cpu times can be printed.
+
+The elapsed times are interesting, to help identify syscalls
+that take some time to complete (during which the process may
+have slept). CPU time helps us identify syscalls that
+are consuming CPU cycles to run.
+
+Since this uses DTrace, only the root user or users with the
+dtrace_kernel privilege can run this command.
+.SH OS
+Solaris
+.SH STABILITY
+stable - needs the syscall provider.
+.SH OPTIONS
+.TP
+\-a
+print all data
+.TP
+\-c
+print syscall counts
+.TP
+\-e
+print elapsed times, ns
+.TP
+\-o
+print CPU times, ns
+.TP
+\-T
+print totals
+.TP
+\-p PID
+examine this PID
+.TP
+\-n name
+examine processes which have this name
+.SH EXAMPLES
+.TP
+Print elapsed times for PID 1871,
+# 
+.B procsystime
+\-p 1871
+.PP
+.TP
+Print elapsed times for processes called "tar",
+# 
+.B procsystime
+\-n tar 
+.PP
+.TP
+Print CPU times for "tar" processes,
+#
+.B procsystime
+\-on tar
+.PP
+.TP
+Print syscall counts for "tar" processes,
+#
+.B procsystime
+\-cn tar
+.PP
+.TP
+Print elapsed and CPU times for "tar" processes,
+#
+.B procsystime
+\-eon tar
+.PP
+.TP
+print all details for "bash" processes,
+#
+.B procsystime
+\-aTn bash
+.PP
+.TP
+run and print details for "df -h",
+#
+.B procsystime
+df \-h
+.PP
+.SH FIELDS
+.TP
+SYSCALL
+System call name
+.TP
+TIME (ns)
+Total time, nanoseconds
+.TP
+COUNT
+Number of occurrences
+.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
+procsystime will sample until Ctrl\-C is hit. 
+.SH AUTHOR
+Brendan Gregg
+[Sydney, Australia]
+.SH SEE ALSO
+dtruss(1M), dtrace(1M), truss(1)
+