September 2016
Intermediate to advanced
1091 pages
21h 41m
English
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Profiling with Xdebug
Profiling gives us information about the cost of each script or task executed in an application. It helps to provide information about how much time a task takes, and hence we can optimize our code to consume less time.
Xdebug has a profiler that is disabled by default. To enable the profiler, open the configuration file and place the following two lines in it:
xdebug.profiler_enable=on xdebug.profiler_output_dir=/var/xdebug/profiler/
The first line enables the profiler. The second line, where we defined the output directory for the profiler file, is important. In this directory, Xdebug will store the output file when the profiler is executed. The output file is stored with a name, such as cachegrind.out.id. This file contains ...
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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.