Function report |
Source Code:kernel\events\internal.h |
Create Date:2022-07-28 13:30:45 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:perf_data_size
Proto:static inline unsigned long perf_data_size(struct ring_buffer *rb)
Type:unsigned long
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct ring_buffer * | rb |
| 121 | Return nr of data pages << PAGE_SHIFT determines the page size + page_order(rb) |
| Name | Describe |
|---|---|
| perf_event_init_userpage | |
| perf_mmap_close | A buffer can be mmap()ed multiple times; either directly through the same* event, or through other events by use of perf_event_set_output().* In order to undo the VM accounting done by perf_mmap() we need to destroy |
| perf_mmap | |
| __perf_output_begin | |
| ring_buffer_init |
| 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 |