August 2011
Intermediate to advanced
552 pages
23h 48m
English
Content preview from Advanced Mac OS X Programming: The Big Nerd Ranch GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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9DTrace
DTrace is a dynamic tracing facility developed by Sun Microsystems for the Solaris operating system. DTrace lets administrators and developers explore the system and understand how it works. It can help you track down program bugs and performance problems. DTrace was introduced with Mac OS X 10.5. Prior to 10.5, ktrace served a similar, but more limited, purpose.
Overview
The heart of DTrace is the probe, where a probe is a named point in executing code. There are probes corresponding to kernel events, function calls, Objective-C message sends, system calls, and many other interesting events, as shown in Figure 9.1. Mac OS X includes tens of thousands of probes, and the count grows with each new OS release. You can add probes to your ...
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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.
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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.