[Tfug] equivalent of top(1) for firefox?

[Paul Scott]

t takahashi wrote:

>firefox is really annoying, this time because it frequently uses up
>100% of cpu, and i have no way of knowing which page or extension is
>doing it, whether it's js or something else, etc.  i have lots of
>tabs.
>  
>
For me it seems to be pages with either PDF or flash.

>is there a simple way to do the equivalent of top(1) so i don't have
>to guess or reinstall?  ff kinda feels like ms windows, in that it
>does stuff behind your back and you have no easy way to find out what.
>
>i am using debian etch mozilla-firefox 1.0.7.  might upgrade to
>unstable firefox 1.5.
>
>(apropos of nothing, why does ff need both a .mozilla and a .firefox?)
>  
>
I don't believe it does.  It's a matter of changes over the versions.  
My older machine has both.  A newer one only has .mozilla with a firefox 
subdirectory.

Paul Scott