小米Vela系统内核高级开发工程师
社招全职5年以上A28153地点:北京状态:招聘
任职要求
1. 计算机相关专业本科及以上学历; 2. 精通计算机体系架构,精通Linux/RTOS内核,对Linux/RTOS的系统调度,内存管理,文件系统,设备驱动等有深刻的理解; 3. 精通 ARM 体系结构,有多核架构经验; 4. 具备扎实的C&C++编程功底,良好的代码风格; 5. 5年以上Linux/RTOS内核相关开发优化经验,熟悉Linux/RTOS 平台开发环境、开发技术、系统框架和底层库,熟悉Linux开源社区各类常见中间件; 6. 熟悉硬件相关知识,具备良好的软硬件协同开发经验; 7. 具有良好的逻辑思维能力,业务理解能力、快速学习能力、自我驱动能力以及优秀的独立分析和解决问题能力,对技术充满热情。 有如下经验者优先: 1. 有主流RTOS系统(如NuttX、FreeRTOS、Zephyr、LiteOS等)的开发经验优先 2. 擅长解决系统稳定性问题者优先 3. 擅长系统性能优化者优先 4. 有芯片bringup经验者优先 5. 有 arm64 架构经验者优先
工作职责
1. 负责嵌入式 linux/RTOS 内核的定制,裁剪和优化; 2. 负责嵌入式 linux/RTOS arch (ARM/Xtensa) 等领域的技术评估和开发; 3. 负责系统稳定性问题的排查,解决Watchdog、Kernel Panic、Subsystem Crash等系统性问题; 4. 根据用户UI交互的性能要求,对系统进行性能优化,满足用户操作的响应时间要求、UI刷新率要求等。
包括英文材料
学历+
Linux+
https://ryanstutorials.net/linuxtutorial/
Ok, so you want to learn how to use the Bash command line interface (terminal) on Unix/Linux.
https://ubuntu.com/tutorials/command-line-for-beginners
The Linux command line is a text interface to your computer.
https://www.youtube.com/watch?v=6WatcfENsOU
In this Linux crash course, you will learn the fundamental skills and tools you need to become a proficient Linux system administrator.
https://www.youtube.com/watch?v=v392lEyM29A
Never fear the command line again, make it fear you.
https://www.youtube.com/watch?v=ZtqBQ68cfJc
RTOS+
[英文] RTOS Fundamentals
https://www.freertos.org/Documentation/01-FreeRTOS-quick-start/01-Beginners-guide/01-RTOS-fundamentals
A Real-Time Operating System (RTOS) is a type of computer operating system designed to be small and deterministic.
内核+
https://www.youtube.com/watch?v=C43VxGZ_ugU
I rummage around the Linux kernel source and try to understand what makes computers do what they do.
https://www.youtube.com/watch?v=HNIg3TXfdX8&list=PLrGN1Qi7t67V-9uXzj4VSQCffntfvn42v
Learn how to develop your very own kernel from scratch in this programming series!
https://www.youtube.com/watch?v=JDfo2Lc7iLU
Denshi goes over a simple explanation of what computer kernels are and how they work, alonside what makes the Linux kernel any special.
C+
https://www.freecodecamp.org/chinese/news/the-c-beginners-handbook/
本手册遵循二八定律。你将在 20% 的时间内学习 80% 的 C 编程语言。
https://www.youtube.com/watch?v=87SH2Cn0s9A
https://www.youtube.com/watch?v=KJgsSFOSQv0
This course will give you a full introduction into all of the core concepts in the C programming language.
https://www.youtube.com/watch?v=PaPN51Mm5qQ
In this complete C programming course, Dr. Charles Severance (aka Dr. Chuck) will help you understand computer architecture and low-level programming with the help of the classic C Programming language book written by Brian Kernighan and Dennis Ritchie.
C+++
https://www.learncpp.com/
LearnCpp.com is a free website devoted to teaching you how to program in modern C++.
https://www.youtube.com/watch?v=ZzaPdXTrSb8
中间件+
https://www.youtube.com/watch?v=1oWPUpMheGk
FreeRTOS+
https://www.freertos.org/Documentation/01-FreeRTOS-quick-start/01-Beginners-guide/00-Overview
Our beginner's guides are here to help you get up to speed quickly and easily with FreeRTOS.
ARM64+
https://mariokartwii.com/armv8/
This page includes chapters of information that will teach a Beginner about the ARMv8 AArch64/ARM64 Assembly Language.
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