| Function report | 
| Source Code: kernel\trace\trace_events_hist.c | Create Date:2022-07-28 12:30:12 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| home page | Tree | 
| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:destroy_hist_field
Proto:static void destroy_hist_field(struct hist_field *hist_field, unsigned int level)
Type:void
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct hist_field * | hist_field | |
| unsigned int | level | 
| 2451 | If level > 3 Then Return | 
| 2454 | If Not hist_field Then Return | 
| 2457 | If flags & HIST_FIELD_FL_VAR_REF Then Return | 
| 2460 | When i < HIST_FIELD_OPERANDS_MAX cycle destroy_hist_field(operands[i], level + 1) | 
| Name | Describe | 
|---|---|
| destroy_hist_field | |
| create_hist_field | |
| destroy_hist_fields | |
| create_var_ref | reate_var_ref - Create a variable reference and attach it to trigger*@hist_data: The trigger that will be referencing the variable*@var_field: The VAR field to create a reference to*@system: The optional system string*@event_name: The optional event_name | 
| create_alias | |
| parse_unary | |
| parse_expr | |
| track_data_destroy | |
| destroy_field_var | |
| create_key_field | 
| Source code conversion tool public plug-in interface | X | 
|---|---|
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