Table of Contents eBPF in Android Android eBPF kprobe dma code Define a MAP Define a PROG bpfprogs/Android.bp test program bpfprogs/memstats/Android.bp bpfprogs/memstats/MemStats.h bpfprogs/memstats/MemStats.cpp bpfprogs/memstats/MemStatsMain.cpp Compile and run Result analysis summary eBPF in Android Official website: https://source.android.com/docs/core/architecture/kernel/bpf?hl=zh-cn#tracepoints The official Android website has a more detailed introduction. For official examples of using eBPF in Android, you can […]
Tag: principles
React technical principles and code development practice: from React Bootstrap to Semantic UI
1. Background Introduction React is one of the hottest front-end JavaScript frameworks currently. Its main advantages are simplicity, flexibility and performance. This article will combine my own research experience and work summary to share how to better understand and master some features and technical details of React. React has become a mainstream front-end UI framework, […]
React technical principles and code development practice: from components to life cycle
1. Background Introduction React is a JavaScript library for building user interfaces. It originated from Facebook, which implemented a front-end view layer framework in JavaScript and open sourced the project. Facebook is now at the helm full-time. React has many features, such as: Declarative programming: React adopts a declarative programming method, that is, using JSX […]
React technical principles and code development practice: from PWA to Web Components
1. Background Introduction React is a JavaScript library for building user interfaces. It was originally open sourced by Facebook in 2013. Its powerful functions, excellent performance, simplicity and ease of use make it one of the most popular front-end frameworks currently. In recent years, the React community has also undergone some changes, including the rise […]
React technical principles and code development practice: React form processing and verification
1. Background Introduction Currently, front-end technology is changing with each passing day, and new technologies are emerging one after another. React, as the most popular Javascript library at the moment, is increasingly favored by developers. React is known as “the Facebook of JavaScript”. Its advantages include componentization, declarative programming, JSX syntax, etc., and React Hooks […]
One article decoding language models: principles, practice and evaluation of language models
In this article, we take a deep dive into the inner workings of language models, from basic models to large-scale variants, and analyze the pros and cons of various evaluation metrics. The article provides a comprehensive and in-depth perspective through code examples, algorithm details, and latest research, aiming to help readers more accurately understand and […]
Understand the principles of SSH in one breath
Source: https://www.cnblogs.com/cjsblog/p/9476813.html SSH (Secure Shell) is a network security protocol that implements secure access and file transfer services through encryption and authentication mechanisms. Traditional remote login or file transfer methods, such as Telnet and FTP, use plain text to transmit data, which has many security risks. As people pay more attention to network security, these […]
Thoughts on MySQL optimization two [Performance analysis tools, optimization principles]
In actual work, we inevitably need to analyze and optimize SQL predictions. Today we will take a look at the relevant content: SQL performance analysis SQL optimization principles 1 SQL performance analysis Performance analysis of SQL mainly includes: View slow SQL View through profile details explain execution plan 1.1 View slow SQL SQL execution frequency […]
The principles of Go language coroutines and the relationship between coroutines and threads! (Very important)
The coroutine of Go language is something unique compared to other languages, and it is also very important. Many times we want to understand its underlying principles, but cannot find suitable knowledge points on the Internet. For example, if you ask GPT, he will answer you like this : Coroutines and threads are both technologies […]
The principles and use of Git (1)
Table of Contents Git initialization Git installation Git basic operations Create a git local repository Configure git workspace, staging area, version library Add files, submit files View .git files Modify files Version rollback summary Git initial Git is a very powerful version control tool. It can quickly version manage our documents and codes. Let’s look […]