Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\ring_buffer.c Create Date:2022-07-28 11:54:29
Last Modify:2020-03-17 19:30:04 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:g_buffer_nest_start - Allow to trace while nested*@buffer: The ring buffer to modify* The ring buffer has a safety mechanism to prevent recursion.* But there may be a case where a trace needs to be done while* tracing something else

Proto:void ring_buffer_nest_start(struct ring_buffer *buffer)

Type:void

Parameter:

TypeParameterName
struct ring_buffer *buffer
2742  preempt_disable_notrace()
2743  cpu = These macros fold the SMP functionality into a single CPU system()
2744  cpu_buffer = buffers[cpu]
2746  nest += The recursive locking above uses 4 bits
Caller
NameDescribe
trace_event_raw_event_synth