[patch 6/6] blktrace: btt documentation update

[Edward Shishkin <edward@redhat.com>]

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-- 
Edward O. Shishkin
Principal Software Engineer
Red Hat Czech


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Fixup for 595628.

Document btt options:
-m (--seeks-per-second);
-X (--easy-parse-avgs).

Signed-off-by: Edward Shishkin <edward@redhat.com>
---
--- blktrace-1.0.1.orig/doc/btt.1
+++ blktrace-1.0.1/doc/btt.1
@@ -30,6 +30,8 @@
 .br
 [ \-L <\fIfreq\fR>        | \-\-periodic\-latencies=<\fIfreq\fR> ]
 .br
+[ \-m <\fIoutput name\fR> | \-\-seeks\-per\-second=<\fIoutput name\fR> ]
+.br
 [ \-M <\fIdev map\fR>     | \-\-dev\-maps=<\fIdev map\fR>
 .br
 [ \-o <\fIoutput name\fR> | \-\-output\-file=<\fIoutput name\fR> ]
@@ -58,6 +60,8 @@
 .br
 [ \-V               | \-\-version ]
 .br
+[ \-X               | \-\-easy\-parse\-avgs ]
+.br
 [ \-z <\fIoutput name\fR> | \-\-q2d\-latencies=<\fIoutput name\fR> ]
 
 
@@ -199,6 +203,15 @@
 an average latency is output -- a floating point value expressing seconds.
 .RE
 
+.B \-m <\fIoutput name\fR>
+.br
+.B \-\-seeks\-per\-second=<\fIoutput name\fR>
+.RS 4
+Trigger btt to output seeks-per-second information. The first column will
+contain a time value (seconds), and the second column  will indicate the
+number of seeks per second at that point.
+.RE
+
 .B \-M <\fIdev map\fR>
 .br
 .B \-\-dev\-maps=<\fIdev map\fR>
@@ -330,6 +343,14 @@
 Requests a more verbose output.
 .RE
 
+.B \-X
+.br
+.B \-\-easy\-parse\-avgs
+.RS 4
+Provide data in an easy-to-parse form and write it to a file
+with .avg exentsion
+.RE
+
 .B \-z <\fIoutput name\fR>
 .br
 .B \-\-q2d\-latencies=<\fIoutput name\fR>