feat: Detect clock source (#923)

src/proc.sh

@@ -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 ${ARCH^^} and cannot provide KVM acceleration for x64 instructions, this will cause a major loss of performance."
@@ -47,7 +64,6 @@ fi
 if [[ "$KVM" != [Nn]* ]]; then
 
   CPU_FEATURES="kvm=on,l3-cache=on,+hypervisor"
-  CLOCK="/sys/devices/system/clocksource/clocksource0/current_clocksource"
   KVM_OPTS=",accel=kvm -enable-kvm -global kvm-pit.lost_tick_policy=discard"
 
   if ! grep -qw "sse4_2" <<< "$flags"; then
@@ -61,15 +77,6 @@ if [[ "$KVM" != [Nn]* ]]; then
     CPU_FEATURES+=",migratable=no"
   fi
 
-  if [ -f "$CLOCK" ]; then
-    CLOCK=$(<"$CLOCK")
-    if [[ "${CLOCK,,}" != "tsc" ]]; then
-      warn "unexpected clocksource: $CLOCK"
-    fi
-  else
-    warn "file \"$CLOCK\" cannot not found?"
-  fi
-
   if grep -qw "svm" <<< "$flags"; then
 
     # AMD processor
@@ -127,7 +134,7 @@ else
 fi
 
 if [ -z "$HOST_CPU" ]; then
-  HOST_CPU=$(lscpu | grep -m 1 'Model name' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/  */ /g')
+  [[ "${CPU,,}" != "unknown" ]] && HOST_CPU="$CPU"
 fi
 
 if [ -n "$HOST_CPU" ]; then

src/reset.sh

@@ -17,7 +17,6 @@ echo "❯ For support visit $SUPPORT"
 
 : "${TZ:=""}"              # System local timezone
 : "${DEBUG:="N"}"          # Disable debugging mode
-: "${COMMIT:="N"}"         # Commit to local image
 : "${COUNTRY:=""}"         # Country code for mirror
 : "${CONSOLE:="N"}"        # Disable console mode
 : "${ALLOCATE:=""}"        # Preallocate diskspace
@@ -75,6 +74,7 @@ CPU="${CPU// with Radeon Graphics/}"
 CPU="${CPU// with Radeon Vega Graphics/}"
 
 [ -z "${CPU// /}" ] && CPU="Unknown"
+[[ -n ${CPU_CORES//[0-9]} ]] && error "Invalid amount of CPU_CORES: $CPU_CORES" && exit 15
 
 # Check system
 
@@ -86,13 +86,13 @@ fi
 
 # Check folder
 
-if [[ "$COMMIT" != [Nn]* ]]; then
+if [[ "${COMMIT:-}" == [Yy1]* ]]; then
   STORAGE="/local"
   mkdir -p "$STORAGE"
-else
-  if [ ! -d "$STORAGE" ]; then
-    error "Storage folder ($STORAGE) not found!" && exit 13
-  fi
+fi
+
+if [ ! -d "$STORAGE" ]; then
+  error "Storage folder ($STORAGE) not found!" && exit 13
 fi
 
 # Check filesystem
@@ -107,9 +107,13 @@ fi
 RAM_SPARE=500000000
 RAM_AVAIL=$(free -b | grep -m 1 Mem: | awk '{print $7}')
 RAM_TOTAL=$(free -b | grep -m 1 Mem: | awk '{print $2}')
+
+if [[ -z ${RAM_SIZE//[0-9]} ]]; then
+  [ "$RAM_SIZE" -lt "130" ] && RAM_SIZE="${RAM_SIZE}G" || RAM_SIZE="${RAM_SIZE}M"
+fi
+
 RAM_SIZE=$(echo "${RAM_SIZE^^}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
-[[ -z ${RAM_SIZE//[0-9]} ]] && [ "$RAM_SIZE" -lt "130" ] && RAM_SIZE="${RAM_SIZE}G"
-! numfmt --from=iec "$RAM_SIZE" &>/dev/null && error "Invalid RAM size: $RAM_SIZE" && exit 15
+! numfmt --from=iec "$RAM_SIZE" &>/dev/null && error "Invalid RAM size: $RAM_SIZE" && exit 16
 RAM_WANTED=$(numfmt --from=iec "$RAM_SIZE")
 [ "$RAM_WANTED" -lt "136314880 " ] && error "Invalid RAM size: $RAM_SIZE" && exit 16
 
@@ -130,6 +134,8 @@ echo
 
 # Check memory
 
+[[ "${FS,,}" == "zfs" ]] && RAM_CHECK="N"
+
 if [[ "$RAM_CHECK" != [Nn]* ]]; then
   if (( (RAM_WANTED + RAM_SPARE) > RAM_AVAIL )); then
     error "Your configured RAM_SIZE of $WANTED_GB GB is too high for the $AVAIL_GB GB of memory available, please set a lower value."