diff options
| -rw-r--r-- | sys/conf/NOTES | 7 | ||||
| -rw-r--r-- | sys/conf/options | 1 |
2 files changed, 7 insertions, 1 deletions
diff --git a/sys/conf/NOTES b/sys/conf/NOTES index 91cf86fa9c40..b6be119f5587 100644 --- a/sys/conf/NOTES +++ b/sys/conf/NOTES @@ -185,7 +185,11 @@ options ROOTDEVNAME=\"ufs:da0s2e\" # which leads to better responsiveness even on uniprocessor machines. This # will eventually become the default scheduler. # +# SCHED_STATS is a debugging option which keeps some stats in the sysctl +# tree at 'kern.sched.stats' and is useful for debugging scheduling decisions. +# options SCHED_4BSD +options SCHED_STATS #options SCHED_ULE ##################################################################### @@ -249,7 +253,8 @@ options SX_NOINLINE # Relies on the PREEMPTION option. DON'T TURN THIS ON. # MUTEX_DEBUG enables various extra assertions in the mutex code. # SLEEPQUEUE_PROFILING enables rudimentary profiling of the hash table -# used to hold active sleep queues. +# used to hold active sleep queues as well as sleep wait message +# frequency. # TURNSTILE_PROFILING enables rudimentary profiling of the hash table # used to hold active lock queues. # WITNESS enables the witness code which detects deadlocks and cycles diff --git a/sys/conf/options b/sys/conf/options index 97fb06c1cd13..77710be2aa12 100644 --- a/sys/conf/options +++ b/sys/conf/options @@ -140,6 +140,7 @@ PPS_SYNC opt_ntp.h PREEMPTION opt_sched.h QUOTA SCHED_4BSD opt_sched.h +SCHED_STATS opt_sched.h SCHED_ULE opt_sched.h SHOW_BUSYBUFS SLEEPQUEUE_PROFILING |