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-rw-r--r--usr.sbin/iostat/iostat.828
1 files changed, 27 insertions, 1 deletions
diff --git a/usr.sbin/iostat/iostat.8 b/usr.sbin/iostat/iostat.8
index d8957ef..1d2d517 100644
--- a/usr.sbin/iostat/iostat.8
+++ b/usr.sbin/iostat/iostat.8
@@ -56,7 +56,7 @@
.\"
.\" @(#)iostat.8 8.1 (Berkeley) 6/6/93
.\"
-.Dd November 24, 2010
+.Dd December 15, 2012
.Dt IOSTAT 8
.Os
.Sh NAME
@@ -366,6 +366,32 @@ average duration of transactions, in milliseconds
% of time the device had one or more outstanding transactions
.El
.Pp
+The extended
+.Nm
+device display, with the
+.Fl x
+and
+.Fl I
+flags specified, shows the following statistics:
+.Pp
+.Bl -tag -width indent -compact
+.It r/i
+read operations per time period
+.It w/i
+write operations per time period
+.It kr/i
+kilobytes read per time period
+.It kw/i
+kilobytes write per time period
+.It qlen
+transactions queue length
+.It tsvc_t/i
+total duration of transactions per time period, in seconds
+.It sb/i
+total time the device had one or more outstanding transactions per
+time period, in seconds
+.El
+.Pp
The old-style
.Nm
display (using
OpenPOWER on IntegriCloud