EventViewerData *event_viewer_data = (EventViewerData*) hook_data;
LttvTraceset * ts = lttvwindow_get_traceset(event_viewer_data->tab);
EventViewerData *event_viewer_data = (EventViewerData*) hook_data;
LttvTraceset * ts = lttvwindow_get_traceset(event_viewer_data->tab);