函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_kprobe.c Create Date:2022-07-27 13:49:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Internal register function - just handle k*probes and flags

函数原型：static int __register_trace_kprobe(struct trace_kprobe *tk)

返回类型：int

参数：

类型参数名称
struct trace_kprobe *tk
485  ret等于security_locked_down(LOCKDOWN_KPROBES)
486  如果ret则返回:ret
489  如果trace_kprobe_is_registered(tk)则返回:负EINVAL
492  如果within_notrace_func(tk)则
493  打印警告信息("Could not probe notrace function %s\n", trace_kprobe_symbol(tk))
495  返回:负EINVAL
498  以i小于nr_args循环
499  ret等于traceprobe_update_arg( & args[i])
500  如果ret则返回:ret
505  如果trace_probe_is_enabled( & tp)则* Indicates various status flags. * Protected by kprobe_mutex after this kprobe is registered.与等于probe is temporarily disabled 的反
507  否则* Indicates various status flags. * Protected by kprobe_mutex after this kprobe is registered.或等于probe is temporarily disabled
510  如果trace_kprobe_is_return(tk)则ret等于register_kretprobe( & Use rp.kp for kprobe use )
512  否则ret等于register_kprobe( & kp)
515  返回:ret
调用者
名称描述
append_trace_kprobe
register_trace_kprobeRegister a trace_probe and probe_event
trace_kprobe_module_callbackModule notifier call back, checking event on the module