Function report | 
Source Code:kernel\trace\trace_events_hist.c | 
Create Date:2022-07-28 12:31:00 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| home page | Tree | 
| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:find_compatible_hist
Proto:static struct hist_trigger_data *find_compatible_hist(struct hist_trigger_data *target_hist_data, struct trace_event_file *file)
Type:struct hist_trigger_data
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct hist_trigger_data * | target_hist_data | |
| struct trace_event_file * | file | 
| 3211 | lockdep_assert_held( & event_mutex) | 
| 3216 | If trigger_type == ETT_EVENT_HIST Then | 
| 3217 | hist_data = private_data | 
| 3219 | If compatible_keys(target_hist_data, hist_data, n_keys) Then Return hist_data | 
| 3224 | Return NULL | 
| Name | Describe | 
|---|---|
| create_field_var_hist | reate_field_var_hist - Automatically create a histogram and var for a field*@target_hist_data: The target hist trigger*@subsys_name: Optional subsystem name*@event_name: Optional event name*@field_name: The name of the field (and the resulting variable)* | 
| Source code conversion tool public plug-in interface  | X | 
|---|---|
| Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion  |