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blktrace: btt documentation update

PATCH In review Edward Shishkin 2 participants 2 messages Jul 30, 2010

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PATCH 6/6 blktrace: btt documentation update

Signature · 4 lines
-- 
Edward O. Shishkin
Principal Software Engineer
Red Hat Czech

Fixup for 595628.

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

---

doc/btt.1 +21 -0
@@ -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>
Acked-by on v1 6/6
#1 lore raw
Quoted 1 line · Edward Shishkin

A little bit of fuzz with this - not sure why, and seems to work OK regardless. Change looks right to me.

patching file doc/btt.1
Hunk #2 succeeded at 60 with fuzz 2.
Hunk #3 succeeded at 205 (offset 2 lines).
Hunk #4 succeeded at 345 (offset 2 lines).