Response Time and mod_rt

Where can I get the mod_rt module? Or can someone send it to me? Cause I want to know each request response time in my Apache access_log? Or any other way that I don't know?

Response Time and mod_rt

Where can I get the mod_rt module? Or can someone send it to me? Cause I want to know each request response time in my Apache access_log? Or any other way that I don't know?