| Function report | 
| Source Code: kernel\trace\trace_events_hist.c | Create Date:2022-07-28 12:31:54 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| home page | Tree | 
| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:trace_action_find_var
Proto:static struct hist_field *trace_action_find_var(struct hist_trigger_data *hist_data, struct action_data *data, char *system, char *event, char *var)
Type:struct hist_field
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct hist_trigger_data * | hist_data | |
| struct action_data * | data | |
| char * | system | |
| char * | event | |
| char * | var | 
| 4171 | var++ | 
| 4173 | hist_field = find_target_event_var(hist_data, system, event, var) | 
| 4174 | If Not hist_field Then | 
| 4175 | If Not system && handler == HANDLER_ONMATCH Then | 
| 4176 | system = event_system | 
| 4180 | hist_field = find_event_var(hist_data, system, event, var) | 
| 4183 | If Not hist_field Then hist_err(tr, HIST_ERR_PARAM_NOT_FOUND, errpos(var)) | 
| 4186 | Return hist_field | 
| Name | Describe | 
|---|---|
| trace_action_create | 
| Source code conversion tool public plug-in interface | X | 
|---|---|
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