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+.TH rfileio.d 1m  "$Date:: 2007-08-05 #$" "USER COMMANDS"
+.SH NAME
+rfileio.d \- read file I/O stats, with cache miss rate. Uses DTrace.
+.SH SYNOPSIS
+.B rfileio.d
+.SH DESCRIPTION
+This script provides statistics on the number of reads and the bytes
+read from filesystems (logical), and the number of bytes read from
+disk (physical). A summary is printed every five seconds by file.
+
+A total miss-rate is also provided for the file system cache.
+
+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 - this script uses fbt provider probes which may change for
+future updates of the OS, invalidating this script. Please read
+Docs/Notes/ALLfbt_notes.txt for further details about these fbt scripts.
+.SH EXAMPLES
+.TP
+Print a summary of activity every five seconds.
+# 
+.B rfileio.d
+.PP
+.SH IDEA
+Richard McDougall, Solaris Internals 2nd Ed, FS Chapter.
+.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
+rfileio.d will run until Ctrl\-C is hit.
+.SH AUTHOR
+Brendan Gregg
+[Sydney, Australia]
+.SH SEE ALSO
+rfsio.d(1M), dtrace(1M)
+