Re: Identifying Firefox threads

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On Fri, 2021-01-29 at 09:27 -0500, Matthew Miller wrote:
> On Fri, Jan 29, 2021 at 11:06:57AM +0000, Patrick O'Callaghan wrote:
> > I find that Firefox tends to slow down and consume more memory over
> > time, presumably because some tab is doing a lot of work. However the
> > usual process listings from 'top' or 'glances' just show a bunch of
> > fairly cryptic threads such as:
> > 
> > 85.4   20.3  7.12G 3.11G    2704 poc         2h55:08 45    0 R 391K 0    /usr/lib64/firefox/firefox -contentproc -childID 5 -isForBrowser -prefsLen 291 -prefMapSize 29096
> > ...
> > and so on, so it's hard to know which one is associated with which tab (or tabs).
> > 
> > Does anyone have a cheat sheet to help in pinning down the culprit(s)?
> 
> There's a weirdly-well kept secret — Firefox has its own built-in "top"!
> Check this out:
> 
> about:performance
> 
> in the firefox toolbar.

Amazing. Thanks :-)

poc
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