Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\ftrace.c Create Date:2022-07-28 12:46:34
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:is_permanent_ops_registered

Proto:static bool is_permanent_ops_registered(void)

Type:bool

Parameter:Nothing

7270  Traverse the ftrace_global_list, invoking all entries. The reason that we* can use rcu_dereference_raw_check() is that elements removed from this list* are simply leaked, so there is no need to interact with a grace-period* mechanism(op, ftrace_ops_list)
7271  If flags & FTRACE_OPS_FL_PERMANENT Then Return true
7275  Return false
Caller
NameDescribe
ftrace_enable_sysctl