Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace.c Create Date:2022-07-28 12:02:43
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:tracing_buffers_release

Proto:static int tracing_buffers_release(struct inode *inode, struct file *file)

Type:int

Parameter:

TypeParameterName
struct inode *inode
struct file *file
7418  info = needed for tty driver, and maybe others
7419  iter = iter
7421  mutex_lock( & race_types_lock is used to protect the trace_types list.)
7423  ref--
7425  __trace_array_put(tr)
7427  If spare Then g_buffer_free_read_page - free an allocated read page*@buffer: the buffer the page was allocate for*@cpu: the cpu buffer the page came from*@data: the page to free* Free a page allocated from ring_buffer_alloc_read_page.
7430  kfree(info)
7432  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
7434  Return 0