lock_stat
LOCK STATISTICS
WHAT
As the name suggests, it provides statistics on locks.
WHY
Because things like lock contention can severely impact performance.
HOW
Lockdep already has hooks in the lock functions and maps lock instances to lock classes. We build on that (see Documentation/locking/lockdep-design.txt). The …
more ...lockdep-design
Runtime locking correctness validator
Lock-class
The basic object the validator operates upon is a 'class' of locks.
A class of locks is a group of locks that are logically the same with respect to locking rules, even if the locks may have multiple (possibly tens of thousands of …
more ...lockdep-design of v2.6.18-rc1
Runtime locking correctness validator
Lock-class
The basic object the validator operates upon is a 'class' of locks.
A class of locks is a group of locks that are logically the same with respect to locking rules, even if the locks may have multiple (possibly tens of thousands of …
more ...