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查看注册的kprobe列表

 3 years ago
source link: http://abcdxyzk.github.io/blog/2013/06/06/kprobe-list/
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查看注册的kprobe列表

2013-06-06 10:45:00 

sudo mount -t debugfs none mount_dir/

#cat mount_dir/kprobes/list
c015d71a  k  vfs_read+0x0
c011a316  j  do_fork+0x0
c03dedc5  r  tcp_v4_rcv+0x0

第一列表示探测点插入的内核地址，第二列表示内核探测的类型，k表示kprobe，r表示kretprobe，j表示jprobe，第三列指定探测点的"符号+偏移"。如果被探测的函数属于一个模块，模块名也被指定。

打开和关闭kprobe的方法列出如下：

#echo ‘1’ mount_dir/kprobes/enabled
#echo ‘0’ mount_dir/kprobes/enabled

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