htaccess file in the appropriate directory, periodically, and then move it out of the directory. The only option I could see that would profile a relatively random sample of requests is to have a cron script place an. This means that should someone mischievous want to, they could slow your server to a crawl by simply appending that GET parameter to a bunch of requests. In the latter case you must have an XDEBUG_PROFILE GET or POST parameter set or send a cookie with the name XDEBUG_PROFILE. Xdebug integrates into PHP to provide robust debugging and profiling, while QCachegrind lets you visualize Xdebugs profiling output on your own computer. htaccess file via xdebug.profiler_enable = 1 or selectively turning on profiling via xdebug.profiler_enable_trigger = 1. Your options for enabling profiling within xdebug are limited to either having profiling always on via a php.ini file or. This keeps it useful for looking at waits on database calls, for example. It will, however, keep track of the time spent in a function, even if it involved extensions (native code). Xdebug profiling will log memory usage by PHP, not extensions. XHProf Profiler is definitely the best tool for the job when it comes to profiling code within a production environment. PhpStorm: Tools -> Analyze Xdebug Profiler Snapshot Limitations. What's the best way to trigger the profiler for an appropriate sample size?Īny other insight into the matter would be much appreciated.ĭon't reinvent the wheel.

Make sure PHP zlib extension is enabled (recommended). The output can be examined to determine where bottlenecks exist. Profiling tools keep track of essential details like how long statements and functions take to run, how many times they're called, and so on. Ensure Xdebug PHP extension is installed as well. What is Profiling When it comes to optimising any application, the first step is to profile it. Detailed steps to perform PHP profiling Supported technologies for profiling via Retrace Building a more complete profile Did that whet your appetite Let’s dive in Why use code profiling These days, code is becoming increasingly complicated. Profiling PHP in Visual Studio Code Watch on Quickly Setup PHP for Profiling Ensure, you have PHP installed. Does installing xdebug on production open the server up to attackers/exploiters in any way (assuming the debugger is not enabled)? Is there a boiler-plate config for this type of setup? PHP code profiling allows you to inspect how much time and how many calls were made to every single function in the code.Is this kind of feature even advisable? I'd like to get some real world data from the production environment but not if it means destroying the user experience due to overhead.So my questions are (assuming xdebug is the profiler): I know there is a way to achieve such a task with Facebook's XHProf Profiler but was hoping for a similar solution using xdebug. Something like 1 profile per every 10,000 requests. Obviously it's a bad idea to profile ALL requests because of the added overhead so I was looking into some techniques that will randomly invoke the profiler per request. I'm toying around with the idea of implementing something that profiles code on the production server and wanted some best-practice advice. I can confirm that php has xhprof enabled with phpinfo(), although it doesnt give me the outputdir parameter.

Php code profiler