函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_events_hist.c Create Date:2022-07-27 13:38:09
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：heck_field_for_var_ref - Check if a VAR_REF field references a variable*@hist_field: The VAR_REF field to check*@var_data: The hist trigger that owns the variable*@var_idx: The trigger variable identifier* Check the given VAR_REF field to see whether or

函数原型：static struct hist_field *check_field_for_var_ref(struct hist_field *hist_field, struct hist_trigger_data *var_data, unsigned int var_idx)

返回类型：struct hist_field

参数：

类型参数名称
struct hist_field *hist_field
struct hist_trigger_data *var_data
unsigned intvar_idx
1547  WARN_ON(!(hist_field && flags & HIST_FIELD_FL_VAR_REF))
1549  如果hist_field且idx恒等于var_idx且hist_data恒等于var_data则返回:hist_field
1553  返回:NULL
调用者
名称描述
find_var_refd_var_ref - Check if a trigger has a reference to a trigger variable*@hist_data: The hist trigger that might have a reference to the variable*@var_data: The hist trigger that owns the variable*@var_idx: The trigger variable identifier* Check the list of