The Activity Monitor allows users of Lion to inspect the CPU usage, used memory and some other things for each running process. Unfortunately it doesn't show the drive (IO) activity like e.g. the Process Monitor does for Windows.
Is there any tool for OS X that does the job?
Best Answer
How about this answer on another SE site?
https://superuser.com/questions/89266/whats-causing-all-the-disk-activity-on-os-x