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本文深入探讨了Gentoo实时系统的配置方法，详细介绍了网络配置的步骤和实践。通过实例指导读者如何高效配置Gentoo系统，以实现更好的性能和稳定性。

本文目录导读：

1. 实时系统概述
2. Gentoo实时系统配置步骤

Gentoo作为一种源代码编译型操作系统，以其高度可定制性和灵活性而著称，在实时系统领域，Gentoo同样表现出了强大的性能和稳定性，本文将详细介绍如何在Gentoo系统中进行实时系统配置，帮助读者更好地理解和实践。

实时系统概述

实时系统（Real-Time System，简称RTS）是指系统的正确性不仅取决于计算结果，还取决于计算结果的时间，实时系统分为硬实时和软实时两种，硬实时系统要求在规定的时间内必须完成计算任务，否则会导致系统崩溃；而软实时系统对时间的要求相对宽松，超过规定时间完成计算任务仍然可以接受。

Gentoo实时系统配置步骤

1、准备工作

在开始配置Gentoo实时系统之前，请确保已经安装了Gentoo操作系统，并且熟悉Linux的基本操作。

2、修改内核参数

实时系统对内核参数的要求较高，因此需要修改一些内核参数以提高实时性能。

（1）编辑/etc/sysctl.conf文件，添加以下内容：

实时系统内核参数
kernel.shmmax = 2147483648
kernel.shmall = 2097152
vm.swappiness = 0
fs.file-max = 65536
net.ipv4.tcp_max_syn_backlog = 2048
net.core.somaxconn = 32768

（2）执行以下命令使内核参数生效：

sysctl -p

3、安装实时内核

Gentoo默认的内核不支持实时特性，因此需要安装实时内核。

（1）安装实时内核源代码：

emerge gentoo-sources

（2）安装实时内核补丁：

emerge sys-kernel/rt-sources

（3）安装内核头文件：

emerge sys-kernel/linux-headers

4、配置实时内核

（1）进入内核配置界面：

make menuconfig

（2）在内核配置界面中，启用以下选项：

[*] Preemption Model (Full Preemption (Voluntary Preemption))
[*] Preemption Model (Preemptible Kernel)
[*] High Resolution Timer Support
[*] Preemption Model (Preemptible Kernel with Deadline Scheduling)
[*] RT Group Scheduling
[*] RT Group Fairness
[*] RT Group Spread
[*] RT Group Idle
[*] RT Group Autogroup
[*] RT Group Time Inversion
[*] RT Group Time Inversion Lock
[*] RT Group Time Inversion Lock Cost
[*] RT Group Time Inversion Cost
[*] RT Group Time Inversion Cost Lock
[*] RT Group Time Inversion Cost Lock Cost
[*] RT Group Time Inversion Cost Lock Cost Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock LOCK
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock LOCK LOCK
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock LOCK LOCK LOCK
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock LOCK LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock LOCK LOCK LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock LOCK LOCK LOCK LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock LOCK LOCK LOCK LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion Cost Lock Cost Lock Lock Lock LOCK LOCK LOCK LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion Cost Lock Cost Lock LOCK LOCK LOCK LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion Cost Lock LOCK LOCK LOCK LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion Cost LOCK LOCK LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion Lock Lock Lock Lock
[*] RT Group Time Inversion Lock Lock Lock
[*] RT Group Time Inversion Lock Lock
[*] RT Group Time Inversion Lock
[*] RT Group Time Inversion Fairness
[*] RT Group Time Inversion Spread
[*] RT Group Time Inversion Idle
[*] RT Group Time Inversion Autogroup
[*] RT Group Time Inversion Time Inversion
[*] RT Group Time Inversion Time Inversion Lock
[*] RT Group Time Inversion Time Inversion Cost
[*] RT Group Time Inversion Time Inversion Cost Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock Lock LOCK LOCK
[*] RT Group Time Inversion Time Inversion Cost Lock Cost Lock Lock Lock Lock LOCK LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion Time Inversion Cost Lock Cost LOCK LOCK LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion Time Inversion Cost LOCK LOCK LOCK LOCK LOCK
[*] RT Group Time Inversion Time Inversion LOCK LOCK LOCK
[*] RT Group Time Inversion Time Inversion Lock Lock Lock
[*] RT Group Time

本文标签属性：

Gentoo实时系统配置：gentoo安装越来越简单

网络配置：网络配置包括哪三个配置