函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\gcov\clang.c Create Date:2022-07-27 12:36:34
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：llvm_gcov_init

函数原型：void llvm_gcov_init(llvm_gcov_callback writeout, llvm_gcov_callback flush)

返回类型：void

参数：

类型参数名称
llvm_gcov_callbackwriteout
llvm_gcov_callbackflush
87  info等于分配内存并置零
89  如果非info则返回
92  初始化链表头
93  初始化链表头
95  mutex_lock( & gcov_lock)
97  添加链表项
98  current_info等于info
99  writeout()
100  current_info = NULL
101  如果gcov_events_enabled则Callback to create/remove profiling files when code compiled with* -fprofile-arcs is loaded/unloaded.
104  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.