September 2016
Intermediate to advanced
989 pages
24h 10m
English
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Other profilers: OProfile and gprof
These two statistical profilers predate perf. They are both subsets of the functionality of perf, but they are still quite popular. I will mention them only briefly.
OProfile is a kernel profiler that started out in 2002. Originally, it had its own kernel sampling code, but recent versions use the perf_events infrastructure for that purpose. There is more information about it at http://oprofile.sourceforge.net. OProfile consists of a kernel-space component and a user space daemon and analysis commands.
OProfile needs these two kernel options to be enabled:
CONFIG_PROFILINGin General setup | Profiling supportCONFIG_OPROFILEin General setup | OProfile system profiling
If you are using the Yocto Project, the user-space ...
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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.