Function report | 
Source Code:kernel\trace\trace_events_trigger.c | 
Create Date:2022-07-28 12:25:49 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| home page | Tree | 
| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:trigger_start
Proto:static void *trigger_start(struct seq_file *m, loff_t *pos)
Type:void
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct seq_file * | m | |
| loff_t * | pos | 
| 131 | mutex_lock( & event_mutex) | 
| 132 | event_file = event_file_data(private) | 
| 133 | If Value for the false possibility is greater at compile time(!event_file) Then Return ERR_PTR( - ENODEV) | 
| 136 | If list_empty - tests whether a list is empty*@head: the list to test. Then Return * pos == 0 ? SHOW_AVAILABLE_TRIGGERS : NULL | 
| Source code conversion tool public plug-in interface  | X | 
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