system-stats-xen

#!/bin/sh

## System stats for Qubes dom0
## Chris Laprise 2018
## https://github.com/tasket/Qubes-scripts

delay=5
sortcol=3
sensor_lines='Package id 0|fan1'
newline='
'
header="\033[2K\nVM NAME               CPU(% )    MEMORY(MB)"
sumline="________________________________________"

other_stats () {
  sensors |grep -E "^($sensor_lines)"
}


clear
other_stats
echo -e "$header\n"
cpusum=0; memsum=0; table="$sumline"
stdbuf -oL xentop -b -f -d $delay \
| stdbuf -oL awk '{printf ("%-22s %5d     %7d\n", $1,$4,$5/1000) }' \
| (
    read ln
    while true; do
      read -t 0.1 ln
      if [ $? = 0 ]; then
        table="$table$newline$ln"
        read name cpu mem <<<"$ln"
        (( cpusum += cpu ))
        (( memsum += mem ))
      else # End of list, print totals, make new page.
        sort -k $sortcol -n -r <<<"$table"
        printf '%-22s %5d     %7d\033[J\033[H' " " $cpusum $memsum
        read ln
        cpusum=0; memsum=0
        table="$sumline"
        #clear
        #sensors |grep -E "^($sensor_lines)"
        other_stats
        echo -e "$header\n\033[2K"
      fi
    done
  )