Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\tracing_map.c Create Date:2022-07-28 12:07:04
Last Modify:2020-03-17 19:44:05 Copyright©Brick
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Name:racing_map_read_var_once - Return and reset a tracing_map_elt's variable field*@elt: The tracing_map_elt*@i: The index of the given variable associated with the tracing_map_elt* Retrieve the value of the variable i associated with the specified*

Proto:u64 tracing_map_read_var_once(struct tracing_map_elt *elt, unsigned int i)

Type:u64

Parameter:

TypeParameterName
struct tracing_map_elt *elt
unsigned inti
123  var_set[i] = false
124  Return atomic64_read( & vars[i])
Caller
NameDescribe
resolve_var_refs