On 24/06/2023 19:16, Will Godfrey wrote:
On Sat, 24 Jun 2023 16:27:53 +0100 Will Godfrey <willgodfrey@xxxxxxxxxxxxxxx> wrote:I've been gifted an ASUS Republic of Gamers (ROG) G750JX laptop but am having a problem with it. It seem to ignore: sudo /usr/bin/cpufreq-set -r -g performance and instead always runs in ondemand mode. It has a base speed of supposedly 2.4G, but actually runs at 2.3 or less and very occasionally hits' 3.4G, just *after* Xruns. There is nothing in the bios I can find regarding CPU frequency Any suggestions?Unfortunately neither of those suggestions worked. What seems to be happening is that when idle the machine lets me set higher frequencies, but as soon as it starts to do any work, the settings are changed to lower values, and then may be increased again... too late! It's more-or-less OK, running 48k 128frames 3buffers into a KA6 This is an intel i7. A considerably older intel i5 runs quite happily with the same workload running 48k 64frames 3buffers (also KA6).
Will,Could be "turbo" mode? The CPU is clocked at a speed that'll cause it to run too hot if fully loaded, and throttled back when the temperature rises. You can see the current state, and turn it off & on, via:
/sys/devices/system/cpu/intel_pstate/no_turbo
Write '0' there to enable turbo mode, '1' to disable it. Disabling it
makes my laptop run a lot cooler.
Attached the tiny shell script I use to see & change the setting, in case that's useful.
Hope that helps, Colin.
#! /bin/sh no_turbo=/sys/devices/system/cpu/intel_pstate/no_turbo case $1 in --on) echo 0 | sudo tee $no_turbo > /dev/null ;; --off) echo 1 | sudo tee $no_turbo > /dev/null ;; "") cat $no_turbo | sed -e s/0/on/ -e s/1/off/ ;; *) echo "usage: turbo [--on|--off|]" ;; esac
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