xhprof for PHP7
Please do not use this in an production env.
Install
Compile in Linux
$ /$PHP7/bin/phpize
$ ./configure --with-php-config=/$PHP7/bin/php-config
$ make && make install
edit php.ini, add a new line:
extension=xhprof.so
make sure it works:
php7 -m |grep xhprof