kernel_new_features/README.md

# 🔰 深挖 Linux 内核的新功能特性，以 io_uring, cgroup, ebpf, llvm, kvm, ceph, fuse 为代表，包含开源项目，代码案例，文章，视频，架构脑图等

## 🔥 [io_uring](https://en.wikipedia.org/wiki/Io_uring) 

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<img width="60%" height="60%" src="https://user-images.githubusercontent.com/87457873/149773115-12090153-72dc-4d48-ab2a-fbb39a0d4503.png"/>
  
#### —— 2019 年 Linux 5.1 内核首次引入的高性能 异步 I/O 框架，能显著加速 I/O 密集型应用的性能。

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### 文档
- 官方文档: [Efficient I/O with io_uring](https://github.com/0voice/kernel_new_features/blob/main/io_uring.pdf)
- 其他文档：
  - [Improved Storage Performance Using the New Linux Kernel I.O Interface](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E6%A1%A3/Improved%20Storage%20Performance%20Using%20the%20New%20Linux%20Kernel%20I.O%20Interface.pdf)
  - [I/O-uring speed the RocksDB & TiKV](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E6%A1%A3/IO-uring%20speed%20the%20RocksDB%20%26%20TiKV.pdf)
  - [The Evolution of File Descriptor Monitoring in Linux](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E6%A1%A3/The%20Evolution%20of%20File%20Descriptor%20Monitoring%20in%20Linux.pdf)
  - [io_uring-BPF](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E6%A1%A3/io_uring-BPF.pdf)
  - [Enabling Financial-Grade Secure Infrastructure with Confidential Computing](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E6%A1%A3/Enabling%20Financial-Grade%20Secure%20Infrastructure%20with%20Confidential%20Computing.pdf)
  - [Boosting Compaction in B-Tree Based Key-Value Store by Exploiting Parallel Reads in Flash SSDs](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E6%A1%A3/Boosting%20Compaction%20in%20B-Tree%20Based%20Key-Value%20Store%20by%20Exploiting%20Parallel%20Reads%20in%20Flash%20SSDs.pdf)
  - [Programming Emerging Storage Interfaces](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E6%A1%A3/Programming%20Emerging%20Storage%20Interfaces.pdf)
  - [I/O is faster than the OS](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E6%A1%A3/O%20is%20faster%20than%20the%20OS.pdf)
  - [StefanMetzmacher_sambaxp2021_multichannel_io-uring-rev0-presentation](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E6%A1%A3/StefanMetzmacher_sambaxp2021_multichannel_io-uring-rev0-presentation.pdf)
  - [I/O Stack](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E6%A1%A3/O%20Stack.pdf)
  - [io_uring-徐浩-阿里云](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E6%A1%A3/io_uring-%E5%BE%90%E6%B5%A9-%E9%98%BF%E9%87%8C%E4%BA%91.pdf)

### 开源项目 
- [axboe/liburing](https://github.com/axboe/liburing): 这是 io_uring 库，liburing。liburing 为设置和拆掉 io_uring 实例，还有一个简化的接口不需要（或不想）处理完整内核的应用程序边执行。
- [shuveb/io_uring-by-example](https://github.com/shuveb/io_uring-by-example): 一个io_uring 示例的库

### 文章

- [ [译] Linux 异步 I_O 框架 io_uring：基本原理、程序示例与性能压测（2020）](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/%5B%E8%AF%91%5D%20Linux%20%E5%BC%82%E6%AD%A5%20I_O%20%E6%A1%86%E6%9E%B6%20io_uring%EF%BC%9A%E5%9F%BA%E6%9C%AC%E5%8E%9F%E7%90%86%E3%80%81%E7%A8%8B%E5%BA%8F%E7%A4%BA%E4%BE%8B%E4%B8%8E%E6%80%A7%E8%83%BD%E5%8E%8B%E6%B5%8B%EF%BC%882020%EF%BC%89.md)
- [浅析开源项目之io_uring](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/%E6%B5%85%E6%9E%90%E5%BC%80%E6%BA%90%E9%A1%B9%E7%9B%AE%E4%B9%8Bio_uring.md)
- [io_uring 系统性整理](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/io_uring%20%E7%B3%BB%E7%BB%9F%E6%80%A7%E6%95%B4%E7%90%86.md)
- [io_uring（1） – 我们为什么会需要 io_uring](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/io_uring%EF%BC%881%EF%BC%89%20%E2%80%93%20%E6%88%91%E4%BB%AC%E4%B8%BA%E4%BB%80%E4%B9%88%E4%BC%9A%E9%9C%80%E8%A6%81%20io_uring.md)
- [io_uring（2）- 从创建必要的文件描述符 fd 开始](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/io_uring%EF%BC%882%EF%BC%89-%20%E4%BB%8E%E5%88%9B%E5%BB%BA%E5%BF%85%E8%A6%81%E7%9A%84%E6%96%87%E4%BB%B6%E6%8F%8F%E8%BF%B0%E7%AC%A6%20fd%20%E5%BC%80%E5%A7%8B.md)
- [下一代异步 IO io_uring 技术解密](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/%E4%B8%8B%E4%B8%80%E4%BB%A3%E5%BC%82%E6%AD%A5%20IO%20io_uring%20%E6%8A%80%E6%9C%AF%E8%A7%A3%E5%AF%86.md)
- [小谈io_uring](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/%E5%B0%8F%E8%B0%88io_uring.md)
- [智汇华云 | 新时代IO利器-io_uring](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/%E6%99%BA%E6%B1%87%E5%8D%8E%E4%BA%91%20%7C%20%E6%96%B0%E6%97%B6%E4%BB%A3IO%E5%88%A9%E5%99%A8-io_uring.md)
- [Linux 5.1 的 io_uring](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/Linux%205.1%20%E7%9A%84%20io_uring.md)
- [What is io_uring?](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/What%20is%20io_uring%3F)
- [io_uring_setup](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/io_uring_setup.md)
- [io_uring_enter](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/io_uring_enter.md)
- [io_uring_register](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/io_uring_register.md)
- [The Low-level io_uring Interface](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/The%20Low-level%20io_uring%20Interface.md)
- [Submission Queue Polling](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/Submission%20Queue%20Polling.md)
- [Efficient IO with io_uring](https://github.com/0voice/kernel_new_features/blob/main/io_uring/%E6%96%87%E7%AB%A0/Efficient%20IO%20with%20io_uring.md)

### 视频

## 🔥 cgroup

## 🔥 ebpf

## 🔥 llvm

## 🔥 kvm

## 🔥 ceph

## 🔥 fuse