reserve_bp_slot

Name:reserve_bp_slot

Proto:int reserve_bp_slot(struct perf_event *bp)

Type:int

Parameter:

Type	Parameter	Name
struct perf_event *	bp

306

mutex_lock( & Serialize accesses to the above constraints )

308

ret = Constraints to check before allowing this new breakpoint counter:* == Non-pinned counter == (Considered as pinned for now)* - If attached to a single cpu, check:* (per_cpu(info->flexible, cpu) || (per_cpu(info->cpu_pinned, cpu)* +

310

mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.

312

Return ret

**Caller**
Name	Describe
register_perf_hw_breakpoint

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