perf_event_exit_cpu_context

Name:perf_event_exit_cpu_context

Proto:static void perf_event_exit_cpu_context(int cpu)

Type:void

Parameter:

Type	Parameter	Name
int	cpu

12433

mutex_lock( & pmus_lock)

12435

cpuctx = per_cpu_ptr(pmu_cpu_context, cpu)

12436

ctx = ctx

12438

mutex_lock( & Protect the list of events. Locking either mutex or lock* is sufficient to ensure the list doesn't change; to change* the list you need to lock both the mutex and the spinlock.)

12439

smp_call_function_single(cpu, __perf_event_exit_context, ctx, 1)

12440

online = 0

12441

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.

12443

pumask_clear_cpu - clear a cpu in a cpumask*@cpu: cpu number (< nr_cpu_ids)*@dstp: the cpumask pointer

12444

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.

**Caller**
Name	Describe
perf_event_exit_cpu

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion