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limit to 4Ghz

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This commit is contained in:
Jörg Thalheim 2023-07-19 15:45:37 +02:00
parent 23e20f192b
commit 77b8a36fac
1 changed files with 3 additions and 3 deletions
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6
modules/hetzner-ex101.nix
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@ -11,7 +11,7 @@
# looks like the Intel i9-13900 draws too much power and crashes the system
systemd.services.limit-cpu-freq = {
description = "Limit CPU frequency to 4.2GHz";
description = "Limit CPU frequency to 4GHz";
wantedBy = [ "multi-user.target" ];
after = [ "systemd-modules-load.service" ];
# Some cores do have a scaling max freq less than 5GHz, so we need to
@ -20,8 +20,8 @@
#!/bin/sh
for f in /sys/devices/system/cpu/cpu*/cpufreq/scaling_max_freq; do
old_val="$(<"$f")"
if [[ "$old_val" -gt 4200000 ]]; then
echo 4200000 > "$f"
if [[ "$old_val" -gt 4000000 ]]; then
echo 4000000 > "$f"
fi
done
'';