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Use tsc as clocksource for all x86 instances #2144

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Use tsc as clocksource for all x86 instances #2144

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0d6d35f
Use tsc as clocksource for all x86 instances
mselim00 Feb 7, 2025
dfcbe65
Add shared set clocksource script, remove service
mselim00 Feb 7, 2025
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10 changes: 1 addition & 9 deletions templates/shared/runtime/bin/configure-clocksource
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Original file line number Diff line number Diff line change
Expand Up @@ -27,15 +27,7 @@ function try-set-clocksource() {
fi
}

case "$(imds /latest/meta-data/system)" in
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I think we can remove this script and the associated systemd unit altogether. On AL2, we add an arg to the kernel cmdline that makes tsc the default (if it's available).

We do need to check AL2023, I'm not sure if tsc is baked-in as the default there.

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Ah ok, will look into this

nitro)
CLOCKSOURCE="kvm-clock"
;;

**)
CLOCKSOURCE="tsc"
;;
esac
CLOCKSOURCE="tsc"

log "desired clocksource: ${CLOCKSOURCE}"

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