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Documentation for /proc/sys/kernel/
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.. See scripts/check-sysctl-docs to keep this up to date
Copyright (c) 1998, 1999, Rik van Riel <riel@nl.linux.org>
Copyright (c) 2009, Shen Feng<shen@cn.fujitsu.com>
For general info and legal blurb, please look in
Documentation/admin-guide/sysctl/index.rst.
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This file contains documentation for the sysctl files in
``/proc/sys/kernel/``.
The files in this directory can be used to tune and monitor
miscellaneous and general things in the operation of the Linux
kernel. Since some of the files *can* be used to screw up your
system, it is advisable to read both documentation and source
before actually making adjustments.
Currently, these files might (depending on your configuration)
show up in ``/proc/sys/kernel``:
.. contents:: :local:
acct
====
::
highwater lowwater frequency
If BSD-style process accounting is enabled these values control
its behaviour. If free space on filesystem where the log lives
goes below ``lowwater``\ % accounting suspends. If free space gets
above ``highwater``\ % accounting resumes. ``frequency`` determines
how often do we check the amount of free space (value is in
seconds). Default:
::
4 2 30
That is, suspend accounting if fre
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