How to install XHProf with MAMP and Drupal 7

Use Homebrew

1. Make sure homebrew/php55 or php56 has been tapped.
2. brew update
3. brew install php56-xhprof

Symlink xhprof.so to MAMP

ln -s /usr/local/Cellar/php56-xhprof/254eb24/xhprof.so /Applications/MAMP/bin/php/php5.6.10/lib/php/extensions/no-debug-non-zts-20131226/xhprof.so

Edit php.ini file. At the very bottom, add:

[xhprof]
extension = xhprof.so
xhprof.output_dir = /tmp/xhprof

Restart MAMP

Enable / Install devel and xhprof

drush en devel xhprof -y

Check PHP Info

1. Visit drupal-site/devel/phpinfo
2. CMD+F for “xhprof”

Winning.