Use the ‘Other hooks to trace’ text area field to enter a comma separated list of selected hooks for which you want to trace the parameters passed.
Sample trace output
Sample output for admin_url
wp-content/plugins/oik-bwtrace/includes/bwtrace-actions.php(281:0) bw_trace_parms(1) 50 2015-09-25T17:16:26+00:00 0.898509 0.010268 cf=wp_loaded,wp_default_scripts,heartbeat_settings,admin_url 11 0 29296584/29435496 F=283 parameters: 3: Array ( [0] => /oikcom/wp-admin/admin-ajax.php [1] => admin-ajax.php [2] => )