Hi, > On 24 Aug 2024, at 18:06, Poul-Henning Kamp <p...@phk.freebsd.dk> wrote: > > On T14s thinkpad running: > > FreeBSD critter.freebsd.dk 15.0-CURRENT FreeBSD 15.0-CURRENT #7 > main-n271455-a1740cb93639-dirty: Thu Aug 1 09:45:40 UTC 2024 > r...@critter.freebsd.dk:/critter/obj/critter/FreeBSD/src/amd64.amd64/sys/GENERIC-NODEBUG > amd64 > > When I run two 100% CPU loaded processes, the machine gradually gets slower > and slower, until eventually it limps along at 500-ish MHz rates. > > Killing powerd and starting it again seems to bring the machine back to full > speed (for some time). > > Looking at the powerd -v output, my gut feeling is that powerd sometimes > looses track of what the (current) top frequency is and thus gradually drags > the machine slower or slower...
Possibly buggy ACPI on the Thinkpad not reporting any frequency higher than it’s actually running at? > I have had a faint feeling for some time that this machine runs significantly > faster after a reboot, but I have no observations to support that. > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > p...@freebsd.org | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by incompetence. -- Bob Bishop r...@gid.co.uk
