__update_field

函数名称：__update_field_vars

函数原型：static inline void __update_field_vars(struct tracing_map_elt *elt, struct ring_buffer_event *rbe, void *rec, struct field_var **field_vars, unsigned int n_field_vars, unsigned int field_var_str_start)

返回类型：void

参数：

类型	参数	名称
struct tracing_map_elt *	elt
struct ring_buffer_event *	rbe
void *	rec
struct field_var **	field_vars
unsigned int	n_field_vars
unsigned int	field_var_str_start

3439

elt_data等于private_data

3443

以i小于n_field_vars 循环

3444

field_var等于field_vars[i]

3445

var等于var

3446

val等于val

3448

var_val等于fn(val, elt, rbe, rec)

3449

var_idx等于idx

3451

如果flags按位与HIST_FIELD_FL_STRING则

3452

str等于field_var_str[j++]

3453

val_str等于var_val

3455

strscpy - Copy a C-string into a sized buffer*@dest: Where to copy the string to*@src: Where to copy the string from*@count: Size of destination buffer* Copy the string, or as much of it as fits, into the dest buffer. The

3456

var_val等于str

3458

racing_map_set_var - Assign 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*@n: The value to assign* Assign n to variable i associated with the specified tracing_map_elt

**调用者**
名称	描述
update_field_vars
save_track_data_vars

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告