> From: attila <att...@stalphonsos.com> > Date: Sat, 26 Mar 2016 17:47:38 -0600 > > Jyri Hovila [Turvamies.fi] <jyri.hov...@turvamies.fi> writes: > > > I can report significant usability improvement on a single core > > ThinkPad T42 and a dual core ThinkPad X60. > > I hate to crap on this wonderful parade, but on my T60 (i386, dmesg at > bottom) running 25 march snap the heat has bumped a full 10DegC from > what was "normal" before. I'm sorry for the lack of science here and > I have no hard numbers w/wo patch yet but in the past my steady state > on this machine w/o firefox was something like 70DegC, w/just some > xterms and emacs (aka life). Starting firefox generally added 10DegC > before I did anything at all and I always had to watch the heat and > kill firefox when we crossed 95DegC or Bad Things Happened; thus I > live with w3m in one hand and treat firefox as some kind of > luxury... tor-browser was, strangely, less hard on things but maybe > that's just because I never have too many tabs there (also, maybe > firefox-esr is a little lighter, not sure). > > Now it will be a challenge to see if I can cvs up, back out the patch > and build a kernel without ringing the bell (100DegC). I freely admit > this is an old, P.O.S. laptop and that there might be some HW issue > (fan seems fine but I haven't taken it apart and really looked). It > does seem like the difference in the scheduler has a remarkable effect > on heat in my case.
If you're not running any multi-threaded code the diff should have zero impact. And I expect the diff to actually decrease the CPU load when running such code, and therefore lower the temperature. This is most likely a hardware issue, i.e. dust or a failing fan.