December 2019
Intermediate to advanced
880 pages
28h 2m
English
Content preview from BPF Performance Tools
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Chapter 14. Kernel
The kernel is the heart of the system; it is also a complex body of software. The Linux kernel employs many different strategies for improving CPU scheduling, memory placement, disk I/O performance, and TCP performance. As with any software, sometimes things go wrong. Previous chapters instrumented the kernel to help understand application behavior. This chapter uses kernel instrumentation to understand kernel software, and will be of use for kernel troubleshooting and to aid in kernel development.
Learning Objectives:
Continue off-CPU analysis by tracing wakeups
Identify kernel memory consumers
Analyze kernel mutex lock contention
Show activity of work queue events
If you are working on a particular subsystem, you should ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.