Excimer - MediaWiki
mediawiki.org
Profiling PHP in production at scale
At Wikipedia, we built an efficient sampling profiler for PHP, and use it to instrument live requests. The trace logs and flame graphs are powered by a simple setup that involves only free open-source software, and runs at low infrastructure cost. I'd like to demonstrate that profiling doesn't have
GitHub - wikimedia/php-excimer: Mirror from https://gerrit.wikimedia.org/g/mediawiki/php/excimer. See https://www.mediawiki.org/wiki/Developer_access for contributing.
Mirror from https://gerrit.wikimedia.org/g/mediawiki/php/excimer. See https://www.mediawiki.org/wiki/Developer_access for contributing. - wikimedia/php-excimer
GitHub - wikimedia/performance-arc-lamp: 🔥 Flame graphs and trace logs for PHP 7 in production. Mirror from https://gerrit.wikimedia.org/g/performance/arc-lamp. See https://mediawiki.org/wiki/Developer_access for contributing.
🔥 Flame graphs and trace logs for PHP 7 in production. Mirror from https://gerrit.wikimedia.org/g/performance/arc-lamp. See https://mediawiki.org/wiki/Developer_access for contributing. - wiki...