Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace.c Create Date:2022-07-28 11:58:03
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:trace_access_lock

Proto:static inline void trace_access_lock(int cpu)

Type:void

Parameter:

TypeParameterName
intcpu
733  cpu
734  mutex_lock( & access_lock)
Caller
NameDescribe
s_startThe current tracer is copied to avoid a global locking* all around.
tracing_read_pipeConsumer reader.
tracing_splice_read_pipe
tracing_buffers_read
tracing_buffers_splice_read