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 August 21, 2018 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 C 65CSV output mode. 66Implies endless batch mode, but output is in the form of comma-separated 67values, with ISO 8601-like timestamps. 68.It Fl d 69Enable display of statistics for delete 70.Pq Dv BIO_DELETE 71operations. 72.It Fl f Ar filter 73A regular expression that can be used to only show statistics for some 74devices. 75Only devices with the names matching 76.Ar filter 77will be displayed. 78The format of the regular expression is described in 79.Xr re_format 7 . 80.It Fl o 81Enable display of statistics for other operations 82.Pq Dv BIO_FLUSH . 83.It Fl s 84Enable blocks' size statistics. 85.It Fl I Ar interval 86Refresh the 87.Nm 88display every 89.Ar interval 90microseconds. 91Adding a suffix of 92.Cm s , ms , 93or 94.Cm us 95(the default) indicates that the update interval is specified in 96seconds, milliseconds, or microseconds, respectively. 97.It Fl p 98Only display physical providers (those with rank of 1). 99.El 100.Sh EXIT STATUS 101.Ex -std 102.Sh SEE ALSO 103.Xr systat 1 , 104.Xr geom 4 , 105.Xr iostat 8 , 106.Xr vmstat 8 107.Sh HISTORY 108A 109.Nm 110utility appeared in 111.Fx 5.0 . 112