| Function report | 
| Source Code: kernel\trace\trace_events_hist.c | Create Date:2022-07-28 12:29:34 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| home page | Tree | 
| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:find_file_var
Proto:static struct hist_field *find_file_var(struct trace_event_file *file, const char *var_name)
Type:struct hist_field
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct trace_event_file * | file | |
| const char * | var_name | 
| 1828 | lockdep_assert_held( & event_mutex) | 
| 1831 | If trigger_type == ETT_EVENT_HIST Then | 
| 1832 | test_data = private_data | 
| 1833 | hist_field = find_var_field(test_data, var_name) | 
| 1834 | If hist_field Then Return hist_field | 
| 1839 | Return NULL | 
| Name | Describe | 
|---|---|
| find_match_var | |
| find_event_var | 
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