Am Mittwoch, 2. September 2020, 07:18:39 CEST schrieb david: > I don't remember what I did on my old i7 to keep it on performance. One > involved having to push the performance setting to EACH CPU/thread, I > think that's covered on that link somewhere. May have been a script. I > don't remember how I did it, but it stuck between boots. I think I > actually tried three different things, so I really don't know which one > did the trick. As far as I remember for SysV intit systems the way to make the scaling governor persistent across reboots was to put a command into /etc/init.d/boot.local or some other boot init script. The command would vary with distros, whether they used cpufreq-utils or the newer cpupower suite for this. For cpupower, the command would be "/usr/bin/cpupower -c all frequency-set -g performance". Systems using systemd would accordingly need a service file added as /etc/systemd/system/cpupower.service, and possibly enabled before it would be run at every boot. I post mine, which I remember having created myself, but I don't remember where I got it from. Anyway this works well for me: ---- [Unit] Description=CPU powersave [Service] Type=oneshot ExecStart=/usr/bin/cpupower -c all frequency-set -g performance [Install] WantedBy=multi-user.target ---- > > I haven't done it on my present i9. Laptops aren't really good homes for > the i9 - needs a whole lot more airflow than a laptop can provide. > Running at 900MHz right now and 115F. > > > Back to HW timers, it's trivial to set them as explained in the wiki, > > but I'm just wondering if they are actually still used? > > > Don't know about that. Wasn't that something that had to be set in the > kernel at compile time? > >
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