August 2015
Intermediate to advanced
136 pages
3h 8m
English
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Chapter 4. CPU Profiling
Profiling is boring, but it's a good form of software analysis where you measure resource usage. This usage is measured over time and sometimes under specific workloads. Resources can mean anything the application is using, be it memory, disk, network, or processor. More specifically, CPU profiling allows you to analyze how and how much your functions use the processor. You can also analyze the opposite—the non-usage of the processor, or the idle time.
Node.js is not primarily meant for continuous CPU-intensive tasks, and sometimes, for profiling, it is important to identify the methods of the intensive task that are holding to the processor and keeping other tasks from performing better. You may find huge call stacks continuously ...
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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.