75 lines
2.3 KiB
Groff
75 lines
2.3 KiB
Groff
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.\" Copyright (c) 2017 Edward Tomasz Napierala
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.Dd May 28, 2017
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.Dt RCTL 4
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.Os
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.Sh NAME
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.Nm rctl
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.Nd resource limits
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following line in the
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "options RACCT"
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.Cd "options RCTL"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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subsystem provides a flexible resource limits mechanism,
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controlled by a set of rules that can be added or removed at runtime
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using the
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.Xr rctl 8
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management utility.
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.Sh LOADER TUNABLES
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Tunables can be set at the
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.Xr loader 8
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prompt, or
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.Xr loader.conf 5 .
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.Bl -tag -width indent
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.It Va kern.racct.enable: No 1
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Enable
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.Nm .
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This defaults to 1, unless
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.Cd "options RACCT_DEFAULT_TO_DISABLED"
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is set in the kernel configuration file.
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.El
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.Sh SEE ALSO
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.Xr rctl.conf 5 ,
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.Xr rctl 8
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.Sh HISTORY
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The
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.Nm
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subsystem first appeared in
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.Fx 9.0 .
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.Sh AUTHORS
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The
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.Nm
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subsystem was developed by
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.An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org
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under sponsorship from the FreeBSD Foundation.
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