Function report | 
Source Code:kernel\trace\ring_buffer.c | 
Create Date:2022-07-28 11:54:28 | 
| Last Modify:2020-03-17 19:30:04 | Copyright©Brick | 
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| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:trace_recursive_unlock
Proto:static __always_inline void trace_recursive_unlock(struct ring_buffer_per_cpu *cpu_buffer)
Type:void
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct ring_buffer_per_cpu * | cpu_buffer | 
| 2716 | current_context &= current_context - (1 << nest) | 
| Name | Describe | 
|---|---|
| ring_buffer_unlock_commit | g_buffer_unlock_commit - commit a reserved*@buffer: The buffer to commit to*@event: The event pointer to commit.* This commits the data to the ring buffer, and releases any locks held.* Must be paired with ring_buffer_lock_reserve. | 
| ring_buffer_lock_reserve | g_buffer_lock_reserve - reserve a part of the buffer*@buffer: the ring buffer to reserve from*@length: the length of the data to reserve (excluding event header)* Returns a reserved event on the ring buffer to copy directly to | 
| ring_buffer_discard_commit | g_buffer_commit_discard - discard an event that has not been committed*@buffer: the ring buffer*@event: non committed event to discard* Sometimes an event that is in the ring buffer needs to be ignored | 
| ring_buffer_write | g_buffer_write - write data to the buffer without reserving*@buffer: The ring buffer to write to | 
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