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 May 20, 2006 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 acd 36.Op Fl f Ar filter 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 a 48Only display providers that are at least 0.1% busy. 49.It Fl c 50Enable display of 51.Xr geom 4 52consumers too. 53The default is to show statistics only for 54.Xr geom 4 55producers. 56.It Fl d 57Enable display of statistics for delete 58.Pq Dv BIO_DELETE 59operations. 60.It Fl f Ar filter 61A regular expression that can be used to only show statistics for some 62devices. 63Only devices with the names matching 64.Ar filter 65will be displayed. 66The format of the regular expression is described in 67.Xr re_format 7 . 68.It Fl I Ar interval 69Refresh the 70.Nm 71display every 72.Ar interval 73microseconds. 74Adding a suffix of 75.Cm s , ms , 76or 77.Cm us 78(the default) indicates that the update interval is specified in 79seconds, milliseconds, or microseconds, respectively. 80.El 81.Sh EXIT STATUS 82.Ex -std 83.Sh SEE ALSO 84.Xr systat 1 , 85.Xr geom 4 , 86.Xr iostat 8 , 87.Xr vmstat 8 88.Sh HISTORY 89A 90.Nm 91utility appeared in 92.Fx 5.0 . 93.Sh BUGS 94The 95.Nm 96utility only works interactively. 97It should probably detect when it is run non-interactively and produce 98simple 99.Tn ASCII 100text output. 101Otherwise, this utility should probably be folded into 102.Xr systat 1 103which only works interactively and is the obvious utility to run for 104various other forms of system statistics. 105