1.\" Copyright (c) 2003 Giorgos Keramidas 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd September 15, 2001 28.Dt GSTAT 8 29.Os 30.Sh NAME 31.Nm gstat 32.Nd print statistics about geom disks 33.Sh SYNOPSIS 34.Nm 35.Op Fl c 36.Op Fl I Ar interval 37.Sh DESCRIPTION 38The 39.Nm 40utility can be used to monitor I/O transactions of 41.Xr geom 4 42devices. 43.Pp 44The options are as follows: 45.Bl -tag -width indent 46.It Fl c 47Enable display of 48.Xr geom 4 49consumers too. 50The default is to show statistics only for 51.Xr geom 4 52producers. 53.It Fl I Ar interval 54Refresh the 55.Nm 56display every 57.Ar interval 58microseconds. 59You can add a suffix of 60.Cm s , 61.Cm ms , 62or 63.Cm us 64(the default) to indicate that the update interval is specified in 65seconds, milliseconds or microseconds respectively. 66.El 67.Sh DIAGNOSTICS 68.Ex -std 69.Sh SEE ALSO 70.Xr geom 4 71.Sh HISTORY 72A 73.Nm 74utility appeared in 75.Fx 5.0 . 76.Sh BUGS 77The 78.Nm 79utility only works interactively. 80It should probably detect when it is run non-interactively and produce 81simple 82.Tn ASCII 83text output. 84Otherwise, this utility should probably be folded into 85.Xr systat 1 86which only works interactively and is the obvious utility to run for 87various other forms of system statistics. 88