xhprof.php7

git clone https://github.com/tideways/php-xhprof-extension.git

phpize 
yum install autoconf
./configure
make
make install

git clone https://github.com/preinheimer/xhprof.git

nginx配置
fastcgi_param PHP_VALUE “auto_prepend_file=/home/xhprof/external/header.php”;