September 2016
Intermediate to advanced
989 pages
24h 10m
English
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Summary
Nobody can complain that Linux lacks options to profile and trace. This chapter has given you an overview of some of the most common ones.
When faced with a system that is not performing as well as you would like, start with top and try to identify the problem. If it proves to be a single application, then you can use perf record/report to profile it, bearing in mind that you will have to configure the kernel to enable perf and you will need debug symbols for the binaries and kernel. OProfile is an alternative to perf record and can tell you similar things. gprof is, frankly, outdated but it does have the advantage of not requiring kernel support. If the problem is not so well localized, use perf (or OProfile) to get a system-wide view. ...
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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.