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 November 10, 2016 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 abBcdops 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 B 54Endless batch mode. 55Same as batch mode, but does not exit after collecting 56the first set of data. 57.It Fl c 58Enable display of 59.Xr geom 4 60consumers too. 61The default is to show statistics only for 62.Xr geom 4 63producers. 64.It Fl d 65Enable display of statistics for delete 66.Pq Dv BIO_DELETE 67operations. 68.It Fl f Ar filter 69A regular expression that can be used to only show statistics for some 70devices. 71Only devices with the names matching 72.Ar filter 73will be displayed. 74The format of the regular expression is described in 75.Xr re_format 7 . 76.It Fl o 77Enable display of statistics for other operations 78.Pq Dv BIO_FLUSH . 79.It Fl s 80Enable blocks' size statistics. 81.It Fl I Ar interval 82Refresh the 83.Nm 84display every 85.Ar interval 86microseconds. 87Adding a suffix of 88.Cm s , ms , 89or 90.Cm us 91(the default) indicates that the update interval is specified in 92seconds, milliseconds, or microseconds, respectively. 93.It Fl p 94Only display physical providers (those with rank of 1). 95.El 96.Sh EXIT STATUS 97.Ex -std 98.Sh SEE ALSO 99.Xr systat 1 , 100.Xr geom 4 , 101.Xr iostat 8 , 102.Xr vmstat 8 103.Sh HISTORY 104A 105.Nm 106utility appeared in 107.Fx 5.0 . 108