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+.TH cpuwalk.d 1m "$Date:: 2007-08-05 #$" "USER COMMANDS"
+.SH NAME
+cpuwalk.d \- Measure which CPUs a process runs on. Uses DTrace.
+.SH SYNOPSIS
+.B cpuwalk.d [duration]
+.SH DESCRIPTION
+This program is for multi-CPU servers, and can help identify if a process
+is running on multiple CPUs concurrently or not.
+
+A duration may be specified in seconds.
+
+Since this uses DTrace, only the root user or users with the
+dtrace_kernel privilege can run this command.
+.SH OS
+Any
+.SH STABILITY
+stable.
+.SH EXAMPLES
+.TP
+this runs until Ctrl\-C is hit,
+#
+.B cpuwalk.d
+.PP
+.TP
+run for 5 seconds,
+#
+.B cpuwalk.d
+5
+.PP
+.SH FIELDS
+.TP
+PID
+process ID
+.TP
+CMD
+process name
+.TP
+value
+CPU id
+.TP
+count
+number of samples (sample at 100 hz)
+.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
+cpuwalk.d will run until Ctrl\-C is hit, or the duration specified
+is reached.
+.SH SEE ALSO
+threaded.d(1M), dtrace(1M)
+