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authorJens Axboe <jens.axboe@oracle.com>2011-01-11 08:36:21 +0100
committerJens Axboe <jens.axboe@oracle.com>2011-01-11 08:36:21 +0100
commit5480f591a58df0e873ab80ba21e7b81b9a6fa0c5 (patch)
tree7062d648c1e6ff08cc68e13a73fe0a4b9a0d7adb /doc/btt.1
parent9bf422b17cb2330f94376f8ca82a6e6cc496f9a3 (diff)
parenta788dfde86dfaff8f1c277a233f92c1822e06b76 (diff)
downloadblktrace-5480f591a58df0e873ab80ba21e7b81b9a6fa0c5.tar.gz
blktrace-5480f591a58df0e873ab80ba21e7b81b9a6fa0c5.tar.bz2
Merge branch 'master' of ssh://router.home.kernel.dk/data/git/blktrace
Diffstat (limited to 'doc/btt.1')
-rw-r--r--doc/btt.121
1 files changed, 21 insertions, 0 deletions
diff --git a/doc/btt.1 b/doc/btt.1
index 60d28ac..28cf912 100644
--- a/doc/btt.1
+++ b/doc/btt.1
@@ -30,6 +30,8 @@ btt \- analyse block i/o traces produces by blktrace
.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 @@ btt \- analyse block i/o traces produces by blktrace
.br
[ \-V | \-\-version ]
.br
+[ \-X | \-\-easy\-parse\-avgs ]
+.br
[ \-z <\fIoutput name\fR> | \-\-q2d\-latencies=<\fIoutput name\fR> ]
.br
[ \-Z | \-\-do\-active ]
@@ -201,6 +205,15 @@ Q2C and D2C latencies. The frequency specified will regulate how often
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>
@@ -332,6 +345,14 @@ Shows the version of btt.
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>