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| author | mav <mav@FreeBSD.org> | 2010-09-18 07:45:54 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2010-09-18 07:45:54 +0000 |
| commit | e35ce5750c4ec64d905dabda8fab72c7d1695ec6 (patch) | |
| tree | 573b028882b460af0cae863a5af88d6a575e965c /share/man/man4/attimer.4 | |
| parent | bbf7bbb468fbaeed9848ed2787aede299cb1f8fd (diff) | |
| download | FreeBSD-src-e35ce5750c4ec64d905dabda8fab72c7d1695ec6.zip FreeBSD-src-e35ce5750c4ec64d905dabda8fab72c7d1695ec6.tar.gz | |
Document hw.i8254.freq tunable and machdep.i8254_freq sysctl.
Diffstat (limited to 'share/man/man4/attimer.4')
| -rw-r--r-- | share/man/man4/attimer.4 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/share/man/man4/attimer.4 b/share/man/man4/attimer.4 index b149a08..d5bfaf9 100644 --- a/share/man/man4/attimer.4 +++ b/share/man/man4/attimer.4 @@ -42,6 +42,11 @@ Default value is 1. .It Va hint.attimer. Ns Ar X Ns Va .timecounter controls time counter functionality support. Setting to 0, disables it. Default value is 1. +.It Va hw.i8254.freq +allows to override default counter frequency. +The same value is also available in run-time via +.Va machdep.i8254_freq +sysctl. .El .Sh DESCRIPTION This driver uses i8254 Programmable Interval Timer (AT Timer) hardware |
