- Add an option to compile in SCHED_STATS.
- Add some more information about SLEEPQUEUE_PROFILING to NOTES.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=177417
@ -185,7 +185,11 @@ options ROOTDEVNAME=\"ufs:da0s2e\"
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# which leads to better responsiveness even on uniprocessor machines. This
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# will eventually become the default scheduler.
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#
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# SCHED_STATS is a debugging option which keeps some stats in the sysctl
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# tree at 'kern.sched.stats' and is useful for debugging scheduling decisions.
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#
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options SCHED_4BSD
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options SCHED_STATS
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#options SCHED_ULE
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#####################################################################
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@ -249,7 +253,8 @@ options SX_NOINLINE
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# Relies on the PREEMPTION option. DON'T TURN THIS ON.
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# MUTEX_DEBUG enables various extra assertions in the mutex code.
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# SLEEPQUEUE_PROFILING enables rudimentary profiling of the hash table
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# used to hold active sleep queues.
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# used to hold active sleep queues as well as sleep wait message
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# frequency.
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# TURNSTILE_PROFILING enables rudimentary profiling of the hash table
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# used to hold active lock queues.
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# WITNESS enables the witness code which detects deadlocks and cycles
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@ -140,6 +140,7 @@ PPS_SYNC opt_ntp.h
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PREEMPTION opt_sched.h
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QUOTA
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SCHED_4BSD opt_sched.h
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SCHED_STATS opt_sched.h
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SCHED_ULE opt_sched.h
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SHOW_BUSYBUFS
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SLEEPQUEUE_PROFILING
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