apt-get install php5-dev graphviz php-pear
# Install XHProf
pecl config-set preferred_state beta
pecl install xhprof
# Create XHProf output directory
mkdir /tmp/xhprof
chown www-data:www-data /tmp/xhprof
# Include XHProf Alias in /etc/apache2/sites-available/default
Alias /xhprof_html /usr/share/php/xhprof_html/
Options FollowSymLinks
AllowOverride Alll
Order allow, deny
Allow from all
# Create PHP page for initializing XHProf e.g. vi /var/www/xhprof_header.php
// Init XHPROF
if (extension_loaded('xhprof')) {
xhprof_enable(XHPROF_FLAGS_CPU + XHPROF_FLAGS_MEMORY);
$XHPROF_ROOT = '/usr/share/php';
include_once $XHPROF_ROOT . "/xhprof_lib/utils/xhprof_lib.php";
include_once $XHPROF_ROOT . "/xhprof_lib/utils/xhprof_runs.php";
}
$i = 0;
while ($i < 10000) {
$i++;
}
?>
# Create PHP page for de-initializing XHProf e.g. vi /var/www/xhprof_footer.php // De-Init XHPROF, generate report and link
if (extension_loaded('xhprof')) {
$data = xhprof_disable();
$xhprof_runs = new XHProfRuns_Default();
$run_id = $xhprof_runs->save_run($data, "xhprof");
$profiler_url = sprintf('http:///xhprof_html/index.php?run=%s', $run_id);
echo 'Profiler output';
}
?>
# Configure XHProf via /etc/php5/apache2/php.ini
# Prepend/Append XHProf initializer/deinitializer page
[xhprof]
extension=xhprof.so
xhprof.output_dir="/tmp/xhprof"
auto_prepend_file=/var/www/xhprof_header.php
auto_append_file=/var/www/xhprof_footer.php
# Restart Apache2
service apache2 restart
