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In-Depth Reading: Chapter 7 of ‘Linux Device Drivers’ – Time, Delays, and Deferred Operations

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In-Depth Reading: Chapter 7 of 'Linux Device Drivers' - Time, Delays, and Deferred Operations

Hello, everyone, I am Programmer MM. This article is about 2000 words long, and today I finished reading Chapter 7 of the third edition of ‘Linux Device Drivers’ – Time, Delays, and Deferred Operations. This chapter systematically introduces various mechanisms related to time in the Linux kernel, from basic time units to complex delays and … Read more

Understanding Linux Kernel Timers (Part 10) – Kernel Timers

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1.Principles of Linux Kernel Timers 1.1Kernel Time Management 1.The Cortex-M kernel uses systick as the system timer. 2.Hardware timers and software timers rely on the system timer for operation. 3.The frequency of the Linux kernel can be configured through a graphical interface. By opening the .config file in the root directory of the Linux kernel … Read more