Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\events\core.c Create Date:2022-07-28 13:37:25
Last Modify:2022-05-20 07:50:19 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:__perf_pmu_output_stop

Proto:static int __perf_pmu_output_stop(void *info)

Type:int

Parameter:

TypeParameterName
void *info
7197  event = info
7198  pmu = pmu
7199  cpuctx = this_cpu_ptr(pmu_cpu_context)
7200  struct remote_output ro = {rb = rb, }
7204  _read_lock() - mark the beginning of an RCU read-side critical section* When synchronize_rcu() is invoked on one CPU while other CPUs* are within RCU read-side critical sections, then the* synchronize_rcu() is guaranteed to block until after all the other
7205  perf_iterate_ctx( & ctx, __perf_event_output_stop, & ro, false)
7206  If task_ctx Then perf_iterate_ctx(task_ctx, __perf_event_output_stop, & ro, false)
7209  _read_unlock() - marks the end of an RCU read-side critical section.* In most situations, rcu_read_unlock() is immune from deadlock.* However, in kernels built with CONFIG_RCU_BOOST, rcu_read_unlock()
7211  Return err