- Name
-
stack_lock_buzz
- Default
-
0
- Minimum
-
0
- Maximum
-
1
- Scope
- per-process
Spin while waiting to obtain a per-stack lock. If the spin timeout expires, enter the kernel and block. The spin timeout is set by EF_BUZZ_USEC.
This option reduces jitter caused by lock contention, but can reduce fairness between threads competing for the lock.