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 12, 2009 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 abcd 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 b 50Batch mode. 51Collect numbers, print and exit. 52Default if stdout is not a tty. 53.It Fl c 54Enable display of 55.Xr geom 4 56consumers too. 57The default is to show statistics only for 58.Xr geom 4 59producers. 60.It Fl d 61Enable display of statistics for delete 62.Pq Dv BIO_DELETE 63operations. 64.It Fl f Ar filter 65A regular expression that can be used to only show statistics for some 66devices. 67Only devices with the names matching 68.Ar filter 69will be displayed. 70The format of the regular expression is described in 71.Xr re_format 7 . 72.It Fl I Ar interval 73Refresh the 74.Nm 75display every 76.Ar interval 77microseconds. 78Adding a suffix of 79.Cm s , ms , 80or 81.Cm us 82(the default) indicates that the update interval is specified in 83seconds, milliseconds, or microseconds, respectively. 84.El 85.Sh EXIT STATUS 86.Ex -std 87.Sh SEE ALSO 88.Xr systat 1 , 89.Xr geom 4 , 90.Xr iostat 8 , 91.Xr vmstat 8 92.Sh HISTORY 93A 94.Nm 95utility appeared in 96.Fx 5.0 . 97