Sarg totalizar horas p/ dia

Galera alguem sabe se tem como configurar o sarg para totalizar o horário que usuario ficou em um determinado site, ele mostra conforme abaixo.



Relatorio de Acesso Internet
Periodo: 15Oct2006-31Oct2006
Usuario: user
Ordem: BYTES, reverse
Usuario


LOCAL ACESSADO DATA HORA
YouTube - Broadcast Yourself. 17/10/2006 10:18:13
YouTube - Broadcast Yourself. 17/10/2006 10:18:14
YouTube - Broadcast Yourself. 17/10/2006 10:18:16
YouTube - Broadcast Yourself. 17/10/2006 10:18:24
YouTube - Broadcast Yourself. 18/10/2006 12:21:49
YouTube - Broadcast Yourself. 18/10/2006 12:21:50
YouTube - Broadcast Yourself. 18/10/2006 12:21:51
YouTube - Broadcast Yourself. 18/10/2006 12:21:52
YouTube - Broadcast Yourself. 18/10/2006 12:21:53
YouTube - Broadcast Yourself. 18/10/2006 12:21:55
YouTube - Broadcast Yourself. 18/10/2006 12:21:56
YouTube - Broadcast Yourself. 18/10/2006 12:21:58
YouTube - Broadcast Yourself. 18/10/2006 12:21:59