График CPL (load average) по данным atop

gistfile1.sh

#!/bin/sh -u
#   $0 [atop logfile to plot]

log=${1-'/var/log/atop.log'}

tmp=/tmp/atop$$
rm -f $tmp
trap "rm -f $tmp" 0 1 2

atop -PCPL -r "$log" >$tmp

gnuplot -persist <<EOF

set xdata time 
set timefmt '%Y/%m/%d %H:%M:%S' 
set format x "%H:%M:%S" 
set grid
set title "CPL"
plot \
   "$tmp" using 4:8 t ''  , \
   "$tmp" using 4:8 smooth csplines t '', \
   "$tmp" using 4:9 t ''  , \
   "$tmp" using 4:9 smooth csplines t '' , \
   "$tmp" using 4:10 t ''  , \
   "$tmp" using 4:10 smooth csplines t ''  ;

EOF