RK3399 platform development series explanation (kernel debugging) 9.1. How to use dynamic debug to print and debug dynamically

Enterprise 2021-01-24 11:08:29 views: null

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Article Directory

1. defconfig configuration
2. Introduction to dynamic debug parameters
3. View and set dynamic debug
4. Add a dynamic debug: dev_dbg

platform	Kernel version	Android version
RK3399	Linux4.4	Android7.1

1. defconfig configuration

CONFIG_DEBUG_FS=y
CONFIG_DYNAMIC_DEBUG=y

2. Introduction to dynamic debug parameters

File directory: kernel-4.14\Documentation\admin-guide\dynamic-debug-howto.rst
if CONFIG_DYNAMIC_DEBUGis set

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Origin blog.csdn.net/qq_33487044/article/details/113062356

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