/**
* Returns the help text displayed to suggest which command to run to give writable access to a file or directory
*
* @param string $realpath
* @return string
*/
private static function getMakeWritableCommand($realpath)
{
if (SettingsServer::isWindows()) {
return "<code>cacls {$realpath} /t /g " . get_current_user() . ":f</code><br />\n";
}
return "<code>chmod -R 0755 {$realpath}</code><br />";
}
/**
* Initializes Profiling via XHProf.
* See: https://github.com/piwik/piwik/blob/master/tests/README.xhprof.md
*/
public static function setupProfilerXHProf($mainRun = false)
{
if (SettingsServer::isTrackerApiRequest()) {
// do not profile Tracker
return;
}
$path = PIWIK_INCLUDE_PATH . '/tests/lib/xhprof-0.9.4/xhprof_lib/utils/xhprof_runs.php';
if (!file_exists($path)) {
return;
}
if (!function_exists('xhprof_enable')) {
return;
}
if (!is_writable(ini_get("xhprof.output_dir"))) {
throw new \Exception("The profiler output dir '" . ini_get("xhprof.output_dir") . "' should exist and be writable.");
}
require_once $path;
require_once PIWIK_INCLUDE_PATH . '/tests/lib/xhprof-0.9.4/xhprof_lib/utils/xhprof_lib.php';
if (!function_exists('xhprof_error')) {
function xhprof_error($out)
{
echo substr($out, 0, 300) . '...';
}
}
$currentGitBranch = SettingsPiwik::getCurrentGitBranch();
$profilerNamespace = "piwik";
if ($currentGitBranch != 'master') {
$profilerNamespace .= "." . $currentGitBranch;
}
xhprof_enable(XHPROF_FLAGS_CPU + XHPROF_FLAGS_MEMORY);
if ($mainRun) {
self::setProfilingRunIds(array());
}
register_shutdown_function(function () use($profilerNamespace, $mainRun) {
$xhprofData = xhprof_disable();
$xhprofRuns = new \XHProfRuns_Default();
$runId = $xhprofRuns->save_run($xhprofData, $profilerNamespace);
if (empty($runId)) {
die('could not write profiler run');
}
$runs = self::getProfilingRunIds();
$runs[] = $runId;
// $weights = array_fill(0, count($runs), 1);
// $aggregate = xhprof_aggregate_runs($xhprofRuns, $runs, $weights, $profilerNamespace);
// $runId = $xhprofRuns->save_run($aggregate, $profilerNamespace);
if ($mainRun) {
$runIds = implode(',', $runs);
$out = "\n\n";
$baseUrl = "http://" . @$_SERVER['HTTP_HOST'] . "/" . @$_SERVER['REQUEST_URI'];
$baseUrlStored = SettingsPiwik::getPiwikUrl();
if (strlen($baseUrlStored) > strlen($baseUrl)) {
$baseUrl = $baseUrlStored;
}
$baseUrl = "\n" . $baseUrl . "tests/lib/xhprof-0.9.4/xhprof_html/?source={$profilerNamespace}&run=";
$out .= "Profiler report is available at:";
$out .= $baseUrl . $runId;
if ($runId != $runIds) {
$out .= "\n\nProfiler Report aggregating all runs triggered from this process: ";
$out .= $baseUrl . $runIds;
}
$out .= "\n\n";
echo $out;
} else {
self::setProfilingRunIds($runs);
}
});
}
