函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace.c Create Date:2022-07-27 13:10:07
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：race_array_get_by_name - Create/Lookup a trace array, given its name

函数原型：struct trace_array *trace_array_get_by_name(const char *name)

返回类型：struct trace_array

参数：

类型参数名称
const char *name
8575  mutex_lock( & event_mutex)
8576  mutex_lock( & race_types_lock is used to protect the trace_types list.)
8579  如果name且字符串比较恒等于0则转到:out_unlock
8583  tr等于trace_array_create(name)
8585  如果是错误则tr = NULL
8587  out_unlock :
8588  如果tr则ref自加
8591  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.
8592  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.
8593  返回:tr