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Add mlockall and SCHED_FIFO support

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The attached patch adds support for mlockall() as well as the SCHED_FIFO
real-time scheduler. It should result in reduced (and more consistent)
latency. Usage is documented in all the documents.
This commit is contained in:
John Hasler
2009-02-10 17:59:57 +01:00
committed by Miroslav Lichvar
parent cdc22df903
commit 35e662d810
11 changed files with 258 additions and 2 deletions
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9
chronyd.8
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@@ -35,6 +35,15 @@ Information messages and warnings will be logged to syslog.
.SH OPTIONS
A summary of the options supported by \fBchronyd\fR is included below.
.TP
\fB\-P\fR \fIpriority\fR
This option will select the SCHED_FIFO real-time scheduler at the specified
priority (which must be between 0 and 100). This mode is supported only on
Linux.
.TP
.B \-m
This option will lock chronyd into RAM so that it will never be paged out.
This mode is only supported on Linux.
.TP
.B \-d
When run in this mode, the program will not detach itself from the