1.\" Copyright (c) 2017 Edward Tomasz Napierala 2.\" 3.\" Redistribution and use in source and binary forms, with or without 4.\" modification, are permitted provided that the following conditions 5.\" are met: 6.\" 1. Redistributions of source code must retain the above copyright 7.\" notice, this list of conditions and the following disclaimer. 8.\" 2. Redistributions in binary form must reproduce the above copyright 9.\" notice, this list of conditions and the following disclaimer in the 10.\" documentation and/or other materials provided with the distribution. 11.\" 12.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 13.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 15.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 16.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 17.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 18.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 19.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 20.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 21.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 22.\" SUCH DAMAGE. 23.Dd May 28, 2017 24.Dt RCTL 4 25.Os 26.Sh NAME 27.Nm rctl 28.Nd resource limits 29.Sh SYNOPSIS 30To compile this driver into the kernel, 31place the following line in the 32kernel configuration file: 33.Bd -ragged -offset indent 34.Cd "options RACCT" 35.Cd "options RCTL" 36.Ed 37.Sh DESCRIPTION 38The 39.Nm 40subsystem provides a flexible resource limits mechanism, 41controlled by a set of rules that can be added or removed at runtime 42using the 43.Xr rctl 8 44management utility. 45.Sh LOADER TUNABLES 46Tunables can be set at the 47.Xr loader 8 48prompt, or 49.Xr loader.conf 5 . 50.Bl -tag -width indent 51.It Va kern.racct.enable: No 1 52Enable 53.Nm . 54This defaults to 1, unless 55.Cd "options RACCT_DEFAULT_TO_DISABLED" 56is set in the kernel configuration file. 57.El 58.Sh SEE ALSO 59.Xr rctl.conf 5 , 60.Xr rctl 8 61.Sh HISTORY 62The 63.Nm 64subsystem first appeared in 65.Fx 9.0 . 66.Sh AUTHORS 67The 68.Nm 69subsystem was developed by 70.An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org 71under sponsorship from the FreeBSD Foundation. 72