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feat: Add KVM warning (#1021)

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Kroese 2025-09-23 16:02:42 +02:00 committed by GitHub
parent 2e2017470e
commit 8de7f56ff8
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GPG Key ID: B5690EEEBB952194
1 changed files with 11 additions and 8 deletions
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13
src/proc.sh
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@ -7,7 +7,6 @@ set -Eeuo pipefail
: "${HOST_CPU:=""}" : "${HOST_CPU:=""}"
: "${CPU_FLAGS:=""}" : "${CPU_FLAGS:=""}"
: "${CPU_MODEL:=""}" : "${CPU_MODEL:=""}"
: "${DEF_MODEL:="qemu64"}"
CLOCKSOURCE="tsc" CLOCKSOURCE="tsc"
[[ "${ARCH,,}" == "arm64" ]] && CLOCKSOURCE="arch_sys_counter" [[ "${ARCH,,}" == "arm64" ]] && CLOCKSOURCE="arch_sys_counter"
@ -27,9 +26,13 @@ else
esac esac
fi fi
if [[ "$KVM" == [Nn]* ]]; then
warn "KVM acceleration is disabled, this will cause the machine to run about 10 times slower!"
else
if [[ "${ARCH,,}" != "amd64" ]]; then if [[ "${ARCH,,}" != "amd64" ]]; then
KVM="N" KVM="N"
warn "your CPU architecture is ${ARCH^^} and cannot provide KVM acceleration for x64 instructions, this will cause a major loss of performance." warn "your CPU architecture is ${ARCH^^} and cannot provide KVM acceleration for x64 instructions, so the machine will run about 10 times slower."
fi
fi fi
if [[ "$KVM" != [Nn]* ]]; then if [[ "$KVM" != [Nn]* ]]; then
@ -52,7 +55,7 @@ if [[ "$KVM" != [Nn]* ]]; then
if [ -n "$KVM_ERR" ]; then if [ -n "$KVM_ERR" ]; then
KVM="N" KVM="N"
if [[ "$OSTYPE" =~ ^darwin ]]; then if [[ "$OSTYPE" =~ ^darwin ]]; then
warn "you are using macOS which has no KVM support, this will cause a major loss of performance." warn "you are using macOS which has no KVM support, so the machine will run about 10 times slower."
else else
kernel=$(uname -a) kernel=$(uname -a)
case "${kernel,,}" in case "${kernel,,}" in
@ -61,7 +64,7 @@ if [[ "$KVM" != [Nn]* ]]; then
*"synology"* ) *"synology"* )
error "Please make sure that Synology VMM (Virtual Machine Manager) is installed and that '/dev/kvm' is binded to this container." ;; error "Please make sure that Synology VMM (Virtual Machine Manager) is installed and that '/dev/kvm' is binded to this container." ;;
*) *)
error "KVM acceleration is not available $KVM_ERR, this will cause a major loss of performance." error "KVM acceleration is not available $KVM_ERR, this will cause the machine to run about 10 times slower."
error "See the FAQ for possible causes, or continue without it by adding KVM: \"N\" (not recommended)." ;; error "See the FAQ for possible causes, or continue without it by adding KVM: \"N\" (not recommended)." ;;
esac esac
[[ "$DEBUG" != [Yy1]* ]] && exit 88 [[ "$DEBUG" != [Yy1]* ]] && exit 88
@ -120,7 +123,7 @@ else
CPU_MODEL="max" CPU_MODEL="max"
CPU_FEATURES+=",migratable=no" CPU_FEATURES+=",migratable=no"
else else
CPU_MODEL="$DEF_MODEL" CPU_MODEL="qemu64"
fi fi
fi fi