Kprobe/jprobe use

Source: Internet
Author: User

The Kprobes or Jprobes tool is used when you want to get information about a kernel module in real time, or if you want to change the data within the kernel module.

Jprobes is simpler, and it's easy to inject your own code before a function call to get or change the parameters of a function.

Examples of Use methods:

1. View the function you want to inject by cat/proc/kallsyms, and if not, explain that the function is not exported and is not available for this method.

2. Continue tomorrow

https://www.ibm.com/developerworks/cn/linux/l-cn-systemtap1/

Http://blog.sina.com.cn/s/blog_71d4915701011tys.html

Kprobe/jprobe use

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.