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.Dd January 1, 2021 26.Dt GSTAT 8 27.Os 28.Sh NAME 29.Nm gstat 30.Nd print statistics about GEOM disks 31.Sh SYNOPSIS 32.Nm 33.Op Fl abBcdops 34.Op Fl f Ar filter 35.Op Fl I Ar interval 36.Sh DESCRIPTION 37The 38.Nm 39utility can be used to monitor I/O transactions of 40.Xr geom 4 41devices. 42.Pp 43The options are as follows: 44.Bl -tag -width indent 45.It Fl a 46Only display providers that are at least 0.1% busy. 47.It Fl b 48Batch mode. 49Collect numbers, print and exit. 50Default if stdout is not a tty. 51.It Fl B 52Endless batch mode. 53Same as batch mode, but does not exit after collecting 54the first set of data. 55.It Fl c 56Enable display of 57.Xr geom 4 58consumers too. 59The default is to show statistics only for 60.Xr geom 4 61producers. 62.It Fl C 63CSV output mode. 64Implies endless batch mode, but output is in the form of comma-separated 65values, with ISO 8601-like timestamps. 66.It Fl d 67Enable display of statistics for delete 68.Pq Dv BIO_DELETE 69operations. 70.It Fl f Ar filter 71A regular expression that can be used to only show statistics for some 72devices. 73Only devices with the names matching 74.Ar filter 75will be displayed. 76The format of the regular expression is described in 77.Xr re_format 7 . 78.It Fl o 79Enable display of statistics for other operations 80.Pq Dv BIO_FLUSH . 81.It Fl s 82Enable blocks' size statistics. 83.It Fl I Ar interval 84Refresh the 85.Nm 86display every 87.Ar interval 88microseconds. 89Adding a suffix of 90.Cm s , ms , 91or 92.Cm us 93(the default) indicates that the update interval is specified in 94seconds, milliseconds, or microseconds, respectively. 95.It Fl p 96Only display physical providers (those with rank of 1). 97.El 98.Sh INTERACTIVE COMMANDS 99These commands are currently recognized if 100.Nm 101is not running in batch mode: 102.Bl -tag -width indent 103.It Ic < 104Halve the update interval. 105.It Ic > 106Double the update interval. 107.It Ic c 108Toggle display of 109.Xr geom 4 110consumers. 111.It Ic f 112Display only devices with the names matching regular expression filter 113(prompt for filter). 114.It Ic F 115Remove device filter. 116.It Ic q 117Quit 118.Nm . 119.El 120.Sh EXIT STATUS 121.Ex -std 122.Sh SEE ALSO 123.Xr systat 1 , 124.Xr geom 4 , 125.Xr iostat 8 , 126.Xr vmstat 8 127.Sh HISTORY 128A 129.Nm 130utility appeared in 131.Fx 5.0 . 132