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 March 3, 2003 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 cd 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 d 54Enable display of statistics for delete 55.Pq Dv BIO_DELETE 56operations. 57.It Fl I Ar interval 58Refresh the 59.Nm 60display every 61.Ar interval 62microseconds. 63Adding a suffix of 64.Cm s , ms , 65or 66.Cm us 67(the default) indicates that the update interval is specified in 68seconds, milliseconds, or microseconds, respectively. 69.El 70.Sh DIAGNOSTICS 71.Ex -std 72.Sh SEE ALSO 73.Xr geom 4 74.Sh HISTORY 75A 76.Nm 77utility appeared in 78.Fx 5.0 . 79.Sh BUGS 80The 81.Nm 82utility only works interactively. 83It should probably detect when it is run non-interactively and produce 84simple 85.Tn ASCII 86text output. 87Otherwise, this utility should probably be folded into 88.Xr systat 1 89which only works interactively and is the obvious utility to run for 90various other forms of system statistics. 91