Add backtrace to ldap profiler collector

Signed-off-by: Carl Schwan <carl@carlschwan.eu>

apps/user_ldap/lib/DataCollector/LdapDataCollector.php

@@ -28,12 +28,13 @@ use OCP\AppFramework\Http\Response;
 use OCP\DataCollector\AbstractDataCollector;
 
 class LdapDataCollector extends AbstractDataCollector {
-	public function startLdapRequest(string $query, array $args): void {
+	public function startLdapRequest(string $query, array $args, array $backtrace): void {
 		$this->data[] = [
 			'start' => microtime(true),
 			'query' => $query,
 			'args' => $args,
 			'end' => microtime(true),
+			'backtrace' => $backtrace,
 		];
 	}
 

apps/user_ldap/lib/LDAP.php

@@ -330,7 +330,8 @@ class LDAP implements ILDAPWrapper {
 				return $item;
 			}, $this->curArgs);
 
-			$this->dataCollector->startLdapRequest($functionName, $args);
+			$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
+			$this->dataCollector->startLdapRequest($functionName, $args, $backtrace);
 		}
 
 		if ($this->logFile !== '' && is_writable(dirname($this->logFile)) && (!file_exists($this->logFile) || is_writable($this->logFile))) {