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 c 36.Op Fl d 37.Op Fl I Ar interval 38.Sh DESCRIPTION 39The 40.Nm 41utility can be used to monitor I/O transactions of 42.Xr geom 4 43devices. 44.Pp 45The options are as follows: 46.Bl -tag -width indent 47.It Fl c 48Enable display of 49.Xr geom 4 50consumers too. 51The default is to show statistics only for 52.Xr geom 4 53producers. 54.It Fl d 55Enable display of statistics for delete (BIO_DELETE) operations. 56.It Fl I Ar interval 57Refresh the 58.Nm 59display every 60.Ar interval 61microseconds. 62Adding a suffix of 63.Cm s , ms , 64or 65.Cm us 66(the default) indicates that the update interval is specified in 67seconds, milliseconds, or microseconds, respectively. 68.El 69.Sh DIAGNOSTICS 70.Ex -std 71.Sh SEE ALSO 72.Xr geom 4 73.Sh HISTORY 74A 75.Nm 76utility appeared in 77.Fx 5.0 . 78.Sh BUGS 79The 80.Nm 81utility only works interactively. 82It should probably detect when it is run non-interactively and produce 83simple 84.Tn ASCII 85text output. 86Otherwise, this utility should probably be folded into 87.Xr systat 1 88which only works interactively and is the obvious utility to run for 89various other forms of system statistics. 90