Reporting memory consumption for libdvirtd on kubevirt VMIs

kubevirt_mem.sh

#!/bin/bash

vhid=$(pgrep virt-handler)
vcid=$(pgrep virt-controller)
vaid=$(pgrep virt-api)
for id in $vhid $vcid $vaid; do
    if [ -f /proc/$id/smaps ]; then
        echo
        if (( $id == $vhid )); then
            proc="Virt-handler"
        elif (( $id == $vcid )); then
            proc="Virt-controller"
        elif (( $id == $vaid )); then
            proc="Virt-api"
        fi
        echo "* $proc Mem usage"
        rss=$(awk 'BEGIN {i=0} /^Rss/ {i = i + $2} END {print i}' /proc/$id/smaps)
        pss=$(awk 'BEGIN {i=0} /^Pss/ {i = i + $2 + 0.5} END {print i}' /proc/$id/smaps)
        sc=$(awk 'BEGIN {i=0} /^Shared_Clean/ {i = i + $2} END {print i}' /proc/$id/smaps)            
        sd=$(awk 'BEGIN {i=0} /^Shared_Dirty/ {i = i + $2} END {print i}' /proc/$id/smaps)
        echo "-- Rss: $rss kB" 
        echo "-- Pss: $pss kB"
        echo "-- Shr: $(($sd + $sc)) kB"
    fi
done

for pid in $(pgrep -f /usr/sbin/libvirtd); do
    vlid=$(ps -o ppid= -p $pid)
    lvdid=$(ps -o ppid= -p $vlid)
    epid=$(ps -o ppid= -p $lvdid)
    vmi=$(ps -o cmd= -p $lvdid | awk '{print $5}')
    qid=$(pgrep -P $epid qemu)
    for id in $qid $pid $vlid; do
        if [ -f /proc/$id/smaps ]; then
            echo
            if (( $id == $qid )); then
                proc="Qemu-kvm"
            elif (( $id == $pid )); then
                proc="Libvirtd"
            elif (( $id == $vlid )); then
                proc="Virt-launcher"
            fi
            echo "* $proc Mem usage for $vmi"
            rss=$(awk 'BEGIN {i=0} /^Rss/ {i = i + $2} END {print i}' /proc/$id/smaps)
            pss=$(awk 'BEGIN {i=0} /^Pss/ {i = i + $2 + 0.5} END {print i}' /proc/$id/smaps)
            sc=$(awk 'BEGIN {i=0} /^Shared_Clean/ {i = i + $2} END {print i}' /proc/$id/smaps)            
            sd=$(awk 'BEGIN {i=0} /^Shared_Dirty/ {i = i + $2} END {print i}' /proc/$id/smaps)
            echo "-- Rss: $rss kB" 
            echo "-- Pss: $pss kB"
            echo "-- Shr: $(($sd + $sc)) kB"
        fi
    done
done