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SCHED_ULE (4) | Special files and drivers | Unix Manual Pages | :man

NAME

sched_ule - ULE Scheduler

CONTENTS

Synopsis
Description
See Also
History
Authors
Bugs

SYNOPSIS


.Cd "options SCHED_ULE"

DESCRIPTION

The sched_ule scheduler is an experimental scheduler that provides a number of advanced scheduler features not present in sched_4bsd(4), the default system scheduler. These features address SMP and interactivity and include:

  • Thread CPU affinity.
  • CPU topology awareness, including for hyper-threading.
  • Per-CPU run queues.
  • Interactivity heuristics that detect interactive applications and schedules them preferentially under high load.

The following sysctls are relevant to the operation of sched_ule:

kern.sched.name
This read-only sysctl reports the name of the active scheduler.

The sched_ule scheduler is disabled by default as it is experimental. See the BUGS section for more information.

SEE ALSO

sched_4bsd(4), sysctl(8)

HISTORY

AUTHORS

BUGS


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