Processing time visa stamping for saudi arabia in islamabad

Assalam O Alaikum All,

I have got job in saudia, my employer sent me to an agency for visa  in rawalpindi..
I completed all requirements and agent say he sent my case for visa stamping to embassy .it's been 2 weeks still no visa stamp. The agent is saying it will take some time but it will be done..kindly tell me how many days it takes for work visa stamp.

waiting from 4 weeks.....same case