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SubjectRe: 5.2-rc2: low framerate in flightgear, cpu not running at full speed, thermal related?
On Tue 2019-06-18 01:20:01, Doug Smythies wrote:
> On 2019.06.13 01:53 Rafael J. Wysocki wrote:
>
> > I personally doubt that any thermal throttling is involved here.
>
> In earlier e-mails on this thread, Pavel showed his core and package
> temperatures as 97 and 98 degrees. If thermal throttling is not
> involved, it should be. The description of the observed CPU
> frequencies also matched my experiences with thermal throttling
> for the intel-pstate/powersave example. Myself, I can not determine
> if throttling is involved for the acpi-cpufreq/ondemand
> case, just from the clock frequencies, because,
> at least on my system, it uses the kidle_inject method
> instead of the pstate method.

Yes, I'm pretty sure it is thermal throttling. System is running >
3GHz when cold, and going below 2GHz when hot...

And I'm pretty sure the throttling works, too, because temperature
goes to ~98C quickly, and stays there.

Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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