In my Linux laptop, I sometimes have a bunch of tabs opened in Google Chrome, which I believe creates a new process per tab. I would like to be able to pinpoint the tab that is using up the CPU. Is there an easy way to to that?
Well Chrome has it's own built in task manager:
Customize and Control Chrome (Wrench icon) -> Tools -> Task Manager
I have never tried it in Linux, but that is where I would start.
Since Grawity pulled his answer for completeness I'll add the keyboard shortcut: