For Linux users, look for KCachegrind in your system package manager.

Seiden Group provides the latest version for Windows and macOS. You can copy over the files using any method you prefer, be it ACS, NetServer, SFTP, FTP, etc. Consult the Xdebug documentation for how the pattern should be formatted. You can change the directory these are written to with the INI setting xdebug.output_dir, and change the naming pattern with the INI setting xdebug.profiler_output_name. Where do profiler files end up? How do I change them?īy default, requests end up in the /tmp directory. You can use the F12 developer tools in a browser to see headers from responses. When profiling is enabled, Xdebug will add a X-Xdebug-Profile-Filename HTTP header to the response.

Setting XDEBUG_TRIGGER (formerly XDEBUG_PROFILE) in your GET or POST request.

(This will also affect other components of Xdebug if enabled.) You can then enable Xdebug profiling on a request by either: To turn on Xdebug only when requested, enable the profiling but, but also turn on xdebug.start_with_request to trigger. Php -d 'xdebug.mode=profile ' script.php arguments Turning on Xdebug only when needed (Web) # The argument to the '-d' flag is as if you added a line to the INI file. Turning on Xdebug only when needed (PHP-CLI)įor PHP on the command line (PHP-CLI), you can take advantage of giving PHP INI settings over the command line, that only apply for that invocation of PHP. For example, you can turn on both “develop” and “profile” modes. You can enable other modes by separating them with a comma. for both profiling and develop mode (enhanced warnings) This is easiest, but keep in mind that profiling output can be quite large and fill up the IFS, so you may only want to turn it on when requested. You can set the xdebug.mode setting to profile all PHP programs and web requests. These will be explained more below or on the Xebug web site. Likewise, additional lines can be added to configure Xdebug. The INI file can be found at /QOpenSys/etc/php/conf.d/99-xdebug.ini, and disabling/enabling is a matter of inserting/removing a comment marker ( ) before the line and restarting PHP. To enable Xdebug, uncomment the directive that loads Xdebug in the INI file for Xdebug, then restart the web server. Xdebug will be disabled by default, because it impacts performance.

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