Did you read part 2?
You get the code for the procedures by going to the server and scripting the procedure out, you get the performance characteristics by running the procedure (on a non-production server)
p.s. Ignore the sqlagent procedures. They're system procedures, you can't change them and they shouldn't be a problem.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability