Here's how long it takes:
http://www.cic.gc.ca/english/information/times/perm-card.asp
New permanent residents
90 calendar days
(This time applies if you have provided your mailing address in Canada)
Existing permanent residents
renewals
replacement
initial cards
128 calendar days
If you require your PR card urgently, please follow these instructions.
(Working on applications received up to April 30, 2015)