<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Preempt-Rt on Jasper</title><link>https://jasper-aa64.github.io/zh/tags/preempt-rt/</link><description>Recent content in Preempt-Rt on Jasper</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Thu, 29 Oct 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://jasper-aa64.github.io/zh/tags/preempt-rt/index.xml" rel="self" type="application/rss+xml"/><item><title>交易系统笔记 #19：调度策略、优先级反转与内核调优</title><link>https://jasper-aa64.github.io/zh/posts/scheduling-priority-inversion-kernel-tuning/</link><pubDate>Thu, 29 Oct 2026 00:00:00 +0000</pubDate><guid>https://jasper-aa64.github.io/zh/posts/scheduling-priority-inversion-kernel-tuning/</guid><description>谁先跑、跑多久：调度类和时间片，实时优先级的三个坑，优先级反转的两种修法，PREEMPT_RT 为什么 HFT 常常不用，以及一台低延迟机器从 BIOS 到 sysctl 要动哪些开关。</description></item></channel></rss>