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authormav <mav@FreeBSD.org>2015-09-21 09:37:49 +0000
committermav <mav@FreeBSD.org>2015-09-21 09:37:49 +0000
commitb41e8cfe2a32c3e55776db8e6fc5748eff243b6e (patch)
tree016fb9c72a400c0353b2fb1588bdab45b7af8413 /usr.bin/ctlstat/ctlstat.8
parentd0aee2df525a93abb27dfa061ae54984ddd4c1bd (diff)
downloadFreeBSD-src-b41e8cfe2a32c3e55776db8e6fc5748eff243b6e.zip
FreeBSD-src-b41e8cfe2a32c3e55776db8e6fc5748eff243b6e.tar.gz
Bunch of improvements to ctlstat.
Add -p option to allow filtering by ports. Make -l and -p options work in all modes as filters. Improve output formatting to better fit columns.
Diffstat (limited to 'usr.bin/ctlstat/ctlstat.8')
-rw-r--r--usr.bin/ctlstat/ctlstat.816
1 files changed, 7 insertions, 9 deletions
diff --git a/usr.bin/ctlstat/ctlstat.8 b/usr.bin/ctlstat/ctlstat.8
index 500ffb0..ebf9f5c 100644
--- a/usr.bin/ctlstat/ctlstat.8
+++ b/usr.bin/ctlstat/ctlstat.8
@@ -34,7 +34,7 @@
.\" $Id: //depot/users/kenm/FreeBSD-test2/usr.bin/ctlstat/ctlstat.8#2 $
.\" $FreeBSD$
.\"
-.Dd May 22, 2015
+.Dd September 21, 2015
.Dt CTLSTAT 8
.Os
.Sh NAME
@@ -50,6 +50,7 @@
.Op Fl j
.Op Fl l Ar lun
.Op Fl n Ar numdevs
+.Op Fl p Ar port
.Op Fl w Ar wait
.Sh DESCRIPTION
The
@@ -64,7 +65,7 @@ The options are as follows:
.Bl -tag -width 10n
.It Fl t
Total mode.
-This displays separate columns with the total CTL read and write output,
+This displays separate columns with the total read and write output,
and a combined total column that also includes non I/O operations.
.It Fl c Ar count
Display statistics this many times.
@@ -74,23 +75,20 @@ Disable CPU statistics display.
Display DMA operation time (latency) instead of overall I/O time (latency).
.It Fl D
Text dump mode.
-Dump all available statistics every 30 seconds in a text format suitable
-for parsing.
+Dump statistics every 30 seconds in a text format suitable for parsing.
No statistics are computed in this mode, only raw numbers are displayed.
.It Fl h
Suppress display of the header.
.It Fl j
JSON dump mode.
-Dump all available statistics every 30 seconds in JavaScript Object
-Notation (JSON) format.
+Dump statistics every 30 seconds in JavaScript Object Notation (JSON) format.
No statistics are computed in this mode, only raw numbers are displayed.
.It Fl l Ar lun
Request statistics for the specified LUN.
-This option is incompatible with total
-.Fl ( t )
-mode.
.It Fl n Ar numdevs
Display statistics for this many devices.
+.It Fl p Ar port
+Request statistics for the specified port.
.It Fl w Ar wait
Wait this many seconds in between displays.
If this option is not specified,
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