CFS Scheduler

Understanding the EEVDF Scheduler in Linux Kernel

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Understanding the EEVDF Scheduler in Linux Kernel

Linux 6.6 uses the EEVDF (Earliest Eligible Virtual Deadline First) scheduler to replace the CFS (Completely Fair Scheduler). Linux 6.12 completes the EEVDF scheduler by improving the handling of sleep process latency and supporting process time slice settings. The EEVDF scheduler considers schedule latency as one of the factors in process scheduling, ensuring fair allocation … Read more

Linux Process Scheduling – Real-Time Scheduler

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Linux Process Scheduling - Real-Time Scheduler

Background Read the fucking source code! –By Lu Xun A picture is worth a thousand words. –By Gorky Note: Kernel version: 4.14 ARM64 processor, Cortex-A53, dual-core Tools used: Source Insight 3.5, Visio 1. Overview In the Linux kernel, real-time processes always have a higher priority than ordinary processes. The scheduling of real-time processes is managed … Read more