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Use RAM=max or RAM=half to suit all machines, dynamically.

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sickcodes
2021-03-17 20:27:39 +00:00
parent 7c633bc810
commit 413b09df93
3 changed files with 13 additions and 3 deletions
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@ -207,13 +207,20 @@ RUN git clone --recurse-submodules --depth 1 --branch "${BRANCH}" "${REPO}"
# for example, -e ADDITIONAL_PORTS=hostfwd=tcp::23-:23,
ENV ADDITIONAL_PORTS=
# dynamic RAM options for runtime
ENV RAM=max
# ENV RAM=half
RUN touch Launch.sh \
&& chmod +x ./Launch.sh \
&& tee -a Launch.sh <<< '#!/bin/sh' \
&& tee -a Launch.sh <<< 'set -eu' \
&& tee -a Launch.sh <<< 'sudo chown $(id -u):$(id -g) /dev/kvm 2>/dev/null || true' \
&& tee -a Launch.sh <<< 'sudo chown -R $(id -u):$(id -g) /dev/snd 2>/dev/null || true' \
&& tee -a Launch.sh <<< 'exec qemu-system-x86_64 -m ${RAM:-2}000 \' \
&& tee -a Launch.sh <<< '[[ "${RAM}" = max ]] && export RAM="$(("$(head -n1 /proc/meminfo | tr -dc "[:digit:]") / 900000"))"' \
&& tee -a Launch.sh <<< '[[ "${RAM}" = half ]] && export RAM="$(("$(head -n1 /proc/meminfo | tr -dc "[:digit:]") / 2000000"))"' \
&& tee -a Launch.sh <<< 'sudo chown -R $(id -u):$(id -g) /dev/snd 2>/dev/null || true' \
&& tee -a Launch.sh <<< 'exec qemu-system-x86_64 -m ${RAM:2-}000 \' \
&& tee -a Launch.sh <<< '-cpu Penryn,vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,+pcid,+ssse3,+sse4.2,+popcnt,+avx,+aes,+xsave,+xsaveopt,check \' \
&& tee -a Launch.sh <<< '-machine q35,accel=kvm:tcg \' \
&& tee -a Launch.sh <<< '-smp ${CPU_STRING:-${SMP:-4},cores=${CORES:-4}} \' \