lockdep_stats
DEFINE_PER_CPU(struct lockdep_stats, lockdep_stats);
DECLARE_PER_CPU(struct lockdep_stats, lockdep_stats);
this_cpu_inc(lockdep_stats.ptr);
__this_cpu_inc(lockdep_stats.ptr); \
__this_cpu_dec(lockdep_stats.ptr); \
struct lockdep_stats *__cpu_lockdep_stats; \
__cpu_lockdep_stats = &per_cpu(lockdep_stats, __cpu); \
ops += per_cpu(lockdep_stats.lock_class_ops[idx], cpu);