+$dbr = wfGetDB( DB_SLAVE );
+
+if( !$dbr->tableExists( 'profileinfo' ) ) {
+ echo "<p>No 'profileinfo' table exists, so we can't show you anything.</p>\n";
+ echo "<p>If you want to log profiling data, create the table using "
+ . "<tt>maintenance/archives/patch-profiling.sql</tt> and enable "
+ . "<tt>\$wgProfileToDatabase</tt>.</p>\n";
+ echo "</body></html>";
+ exit( 1 );
+}
+