From mboxrd@z Thu Jan 1 00:00:00 1970 From: Edward Shishkin Date: Fri, 30 Jul 2010 14:05:15 +0000 Subject: [patch 6/6] blktrace: btt documentation update Message-Id: <4C52DC1B.5030809@redhat.com> MIME-Version: 1 Content-Type: multipart/mixed; boundary="------------070600080309080704000604" List-Id: To: linux-btrace@vger.kernel.org This is a multi-part message in MIME format. --------------070600080309080704000604 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit -- Edward O. Shishkin Principal Software Engineer Red Hat Czech --------------070600080309080704000604 Content-Type: text/plain; name="13-blktrace-fix-595628.patch" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="13-blktrace-fix-595628.patch" Fixup for 595628. Document btt options: -m (--seeks-per-second); -X (--easy-parse-avgs). Signed-off-by: Edward Shishkin --- --- 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> --------------070600080309080704000604--