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Some formatting for r232919.

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Submitted by:	pluknet
This commit is contained in:
Alexander Motin 2012-03-13 10:54:14 +00:00
parent fd053fae73
commit 815c973573
1 changed files with 3 additions and 1 deletions
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4
share/man/man4/eventtimers.4
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@ -145,7 +145,9 @@ and runs in periodic mode, this option has no effect - all interrupts are
always generating.
.It Va kern.eventtimer.activetick
makes each CPU to receive all kinds of timer interrupts when they are busy.
Disabling it allows to skip some hardclock() calls in some cases.
Disabling it allows to skip some
.Fn hardclock
calls in some cases.
By default this options is enabled.
If chosen timer is per-CPU, this option has no effect - all interrupts are
always generating, as timer reprogramming is too expensive for that case.