Unverified Commit 5e6f9314 authored by Kroese's avatar Kroese Committed by GitHub
Browse files

feat: Detect clock source (#923)

parent beadfe72

src/proc.sh

+17 −10
Original line number Diff line number Diff line
@@ -9,6 +9,23 @@ set -Eeuo pipefail 
: "${CPU_MODEL:=""}"

: "${DEF_MODEL:="qemu64"}"



CLOCKSOURCE="tsc"

[[ "${ARCH,,}" == "arm64" ]] && CLOCKSOURCE="arch_sys_counter"

CLOCK="/sys/devices/system/clocksource/clocksource0/current_clocksource"



if [ ! -f "$CLOCK" ]; then

  warn "file \"$CLOCK\" cannot not found?"

else

  result=$(<"$CLOCK")

  case "${result,,}" in

    "${CLOCKSOURCE,,}" ) ;;

    "kvm-clock" ) info "Nested KVM virtualization detected.." ;;

    "hyperv_clocksource_tsc_page" ) info "Nested Hyper-V virtualization detected.." ;;

    "hpet" ) warn "unsupported clock source detected: '$result'. Please set host clock source to '$CLOCKSOURCE'" ;;

    *) warn "unexpected clock source detected: '$result'. Please set host clock source to '$CLOCKSOURCE'" ;;

  esac

fi



if [[ "${ARCH,,}" != "amd64" ]]; then

  KVM="N"

  warn "your CPU architecture is ${ARCH^^} and cannot provide KVM acceleration for x64 instructions, this will cause a major loss of performance."
@@ -60,16 +77,6 @@ if [[ "$KVM" != [Nn]* ]]; then 
    CPU_FEATURES+=",migratable=no"

  fi



  CLOCK="/sys/devices/system/clocksource/clocksource0/current_clocksource"

  if [ -f "$CLOCK" ]; then

    result=$(<"$CLOCK")

    if [[ "${result,,}" != "tsc" ]]; then

      warn "unexpected clocksource: $result"

    fi

  else

    warn "file \"$CLOCK\" cannot not found?"

  fi



  if grep -qw "svm" <<< "$flags"; then



    # AMD processor