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author | jeff <jeff@FreeBSD.org> | 2003-01-26 05:35:54 +0000 |
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committer | jeff <jeff@FreeBSD.org> | 2003-01-26 05:35:54 +0000 |
commit | 4969ed6392d6de491aae08157db0b81f4b8b7f24 (patch) | |
tree | 97f0c6ffa960dc7952ab9cb50c897d3dff2a5ec8 /sys/conf | |
parent | fcc0f1613b273072bede4a50538ab6eb295f5df5 (diff) | |
download | FreeBSD-src-4969ed6392d6de491aae08157db0b81f4b8b7f24.zip FreeBSD-src-4969ed6392d6de491aae08157db0b81f4b8b7f24.tar.gz |
- Add entries for scheduler selection
Diffstat (limited to 'sys/conf')
-rw-r--r-- | sys/conf/NOTES | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sys/conf/NOTES b/sys/conf/NOTES index 4b04973..2968618 100644 --- a/sys/conf/NOTES +++ b/sys/conf/NOTES @@ -132,6 +132,23 @@ options ROOTDEVNAME=\"ufs:da0s2e\" ##################################################################### +# Scheduler options: +# +# Specifying one of SCHED_4BSD or SCHED_ULE is manditory. These options +# select which scheduler is compiled in. +# +# SCHED_4BSD is the historical, proven, BSD scheduler. It has a global run +# queue and no cpu affinity which makes it suboptimal for SMP. It has very +# good interactivity and priority selection. +# +# SCHED_ULE is a new experimental scheduler that has been designed for SMP +# although it will work just fine on UP. Users of this scheduler should +# expect some hicups and be prepaired to provide feedback. +# +options SCHED_4BSD +#options SCHED_ULE + +##################################################################### # SMP OPTIONS: # # SMP enables building of a Symmetric MultiProcessor Kernel. |