- Randomize spinlock exponential backoff value, which reduces the chance of
commit10c66d57a940d5b01e2500f18f5215e52afca47c
authorSepherosa Ziehau <sephe@dragonflybsd.org>
Sun, 4 May 2008 04:48:47 +0000 (4 04:48 +0000)
committerSepherosa Ziehau <sephe@dragonflybsd.org>
Sun, 4 May 2008 04:48:47 +0000 (4 04:48 +0000)
treed3d3d93626421eef9cec82de4cbd9532242aa7c2
parent602cb37cabb9732f492f9364cb1e918e7bc310ad
- Randomize spinlock exponential backoff value, which reduces the chance of
  serious spinlock contention (probably) caused by same backoff steps
- Ktr spinlock backoff value and backoff failure
- Under debug sysctl tree, add sysctl node for spinlock backoff limit
- Break long lines

Reviewed-by: dillon@
sys/kern/kern_spinlock.c