chrt: (man) add human-readable names for policies
Signed-off-by: Karel Zak <kzak@redhat.com>
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@ -41,34 +41,29 @@ or runs \fIcommand\fR with the given attributes.
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.SH POLICIES
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.TP
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\fB\-o\fR, \fB\-\-other\fR
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Set scheduling policy to
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.BR SCHED_OTHER .
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Set scheduling policy to \fBSCHED_OTHER\fR (time-sharing scheduling).
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This is the default Linux scheduling policy.
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.TP
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\fB\-f\fR, \fB\-\-fifo\fR
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Set scheduling policy to \fBSCHED_FIFO\fR.
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Set scheduling policy to \fBSCHED_FIFO\fR (first in-first out).
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.TP
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\fB\-r\fR, \fB\-\-rr\fR
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Set scheduling policy to
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.BR SCHED_RR .
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Set scheduling policy to \fBSCHED_RR\fR (round-robin scheduling).
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When no policy is defined, the
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.B SCHED_RR
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is used as the default.
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.TP
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\fB\-b\fR, \fB\-\-batch\fR
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Set scheduling policy to
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.B SCHED_BATCH
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(Linux-specific, supported since 2.6.16). The priority argument has to be set to zero.
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Set scheduling policy to \fBSCHED_BATCH\fR (scheduling batch processes).
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Linux-specific, supported since 2.6.16. The priority argument has to be set to zero.
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.TP
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\fB\-i\fR, \fB\-\-idle\fR
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Set scheduling policy to
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.B SCHED_IDLE
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(Linux-specific, supported since 2.6.23). The priority argument has to be set to zero.
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Set scheduling policy to \fBSCHED_IDLE\fR (scheduling very low priority jobs).
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Linux-specific, supported since 2.6.23. The priority argument has to be set to zero.
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.TP
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.BR \-d ,\ \-\-deadline
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Set scheduling policy to
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.B SCHED_DEADLINE
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(Linux-specific, supported since 3.14). The priority argument has to be set to zero.
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Set scheduling policy to \fBSCHED_DEADLINE\fR (sporadic task model deadline scheduling).
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Linux-specific, supported since 3.14. The priority argument has to be set to zero.
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See also \fB\-\-sched\-runtime\fR, \fB\-\-sched\-deadline\fR and
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\fB\-\-sched\-period\fR. The relation between the options required by the kernel is
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runtime <= deadline <= period.
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