Linux实战分析的相关内容

文章 2024-08-15 来自：开发者社区

Linux源码阅读笔记05-进程优先级与调度策略-实战分析

基础知识 Linux 内核当中有 3 种调度策略： SCHED_OTHER 分时调度策略； SCHED_FIFO 实时调度策略，先到先服务； SCHED_RR 实时调度策略，时间片轮转。如果有相同优先级的实时进程（根据优先级计算的调度权值是一样的）已经准备好，FIFO 时必须等待该进程主动放弃之后才可以运行...

文章 2022-12-16 来自：开发者社区

前言：之前分享过一篇Linux开发coredump文件分析实战分享，今天再来分享一篇实战文章。在我们嵌入式linux开发过程中，开发过程中我们经常会使用多进程、多线程开发。那么多线程使用过程中，我们大概率会遇到某线程长时间占用cpu，导致设备执行异常。通常只有四五个线程，我们可以通过一个个线程调试捕捉到异常线程，如果你开发的设备上面运行了大概三四十个线程，我们一下子不好看到对应哪个线程出问题，....

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