Linux Performance - How to Measure It, How to Visualize It, How to Find Bottlenecks?

This article by Brendan Gregg, a renowned expert in Linux performance, provides in-depth insights into tools and techniques for performance analysis of the operating system. Gregg begins by explaining why performance investigation is crucial for system administrators and developers and then discusses various tools that enable performance assessment, including 'perf', 'ftrace', and 'systemtap'. He elaborates on how each of these tools operates, highlighting their unique features and use cases. The article also includes practical examples of usage, allowing readers to understand how to apply these tools effectively. Gregg concludes the article with thoughts on the future of performance analysis and the importance of understanding operating systems for effective application and services management.