ring_buffer_discard

函数名称：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

函数原型：void ring_buffer_discard_commit(struct ring_buffer *buffer, struct ring_buffer_event *event)

返回类型：void

参数：

类型	参数	名称
struct ring_buffer *	buffer
struct ring_buffer_event *	event

3072

rb_event_discard(event)

3074

cpu等于当前cpu ID()

3075

cpu_buffer等于buffers[cpu]

3082

uffer may be either ring_buffer or ring_buffer_per_cpu (buffer, !local_read( & committing))

3084

Decrement the entries to the page that an event is on.* The event does not even need to exist, only the pointer* to the page it is on. This may only be called before the commit* takes place.

3085

如果rb_try_to_discard(cpu_buffer, event)则转到:out

3092

rb_update_write_stamp(cpu_buffer, event)

3093

out :

3094

rb_end_commit(cpu_buffer)

3096

trace_recursive_unlock(cpu_buffer)

3098

preempt_enable_notrace()

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告