Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\fgraph.c Create Date:2022-07-28 12:18:01
Last Modify:2020-03-17 20:08:56 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:unregister_ftrace_graph

Proto:void unregister_ftrace_graph(struct fgraph_ops *gops)

Type:void

Parameter:

TypeParameterName
struct fgraph_ops *gops
639  mutex_lock( & ftrace_lock)
641  If Value for the false possibility is greater at compile time(!ftrace_graph_active) Then Go to out
644  ftrace_graph_active--
645  The callbacks that hook a function = Simply points to ftrace_stub, but with the proper protocol.* Defined by the linker script in linux/vmlinux.lds.h
646  ftrace_graph_entry = ftrace_graph_entry_stub
647  __ftrace_graph_entry = ftrace_graph_entry_stub
648  ftrace_shutdown( & graph_ops, FTRACE_STOP_FUNC_RET)
649  unregister_pm_notifier( & ftrace_suspend_notifier)
650  Tracepoint for task switches, performed by the scheduler:
652  out :
653  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
NameDescribe
unregister_irqsoff_function
unregister_wakeup_function
graph_trace_reset