On Fri, 2021-01-29 at 12:25 -0800, Samuel Sieb wrote: > On 1/29/21 6:27 AM, 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. > > That is a very well-kept secret. My usual method is to kill the process > and see which tabs have the crash message on them. I expect I'll still > have to do that, but at least I can find out exactly which tab in the > group it was before I do.
Are we to assume that "Energy Impact" is proportional to CPU usage, or is there some magic formula behind it? poc _______________________________________________ users mailing list -- users@lists.fedoraproject.org To unsubscribe send an email to users-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org
