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| author | davide <davide@FreeBSD.org> | 2012-03-16 20:32:11 +0000 |
|---|---|---|
| committer | davide <davide@FreeBSD.org> | 2012-03-16 20:32:11 +0000 |
| commit | cd0c342e57c366c5630617a925171a6b0e6b0cec (patch) | |
| tree | a51bea01da15cf0d2423ee72b8a1d50f80612fdf /sys/conf/NOTES | |
| parent | 9c671fcacaa05105013becd8a9a70514228bb3fd (diff) | |
| download | FreeBSD-src-cd0c342e57c366c5630617a925171a6b0e6b0cec.zip FreeBSD-src-cd0c342e57c366c5630617a925171a6b0e6b0cec.tar.gz | |
Add rudimentary profiling of the hash table used in the in the umtx code to
hold active lock queues.
Reviewed by: attilio
Approved by: davidxu, gnn (mentor)
MFC after: 3 weeks
Diffstat (limited to 'sys/conf/NOTES')
| -rw-r--r-- | sys/conf/NOTES | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/conf/NOTES b/sys/conf/NOTES index 6bca3d5..c60a81a 100644 --- a/sys/conf/NOTES +++ b/sys/conf/NOTES @@ -274,6 +274,8 @@ options SX_NOINLINE # frequency. # TURNSTILE_PROFILING enables rudimentary profiling of the hash table # used to hold active lock queues. +# UMTX_PROFILING enables rudimentary profiling of the hash table used + to hold active lock queues. # WITNESS enables the witness code which detects deadlocks and cycles # during locking operations. # WITNESS_KDB causes the witness code to drop into the kernel debugger if @@ -297,8 +299,8 @@ options MPROF_HASH_SIZE="1543" # Profiling for internal hash tables. options SLEEPQUEUE_PROFILING options TURNSTILE_PROFILING +options UMTX_PROFILING - ##################################################################### # COMPATIBILITY OPTIONS |
