set datafile separator ","
set key autotitle columnhead

stats file using 1 nooutput
t0 = STATS_min

set terminal pngcairo size 1200,800 enhanced font "Sans,10"

set multiplot layout 3,1 title "Process Resource Usage" font "Sans,12"
set grid
set xtics rotate by -30

set ylabel "CPU %"
set yrange [0:*]
plot file using ($1-t0):2 with lines lw 2 lc rgb "#e74c3c" title "CPU %"

set ylabel "RAM (MB)"
set yrange [0:*]
plot file using ($1-t0):3 with lines lw 2 lc rgb "#3498db" title "RAM (MB)"

set ylabel "Open FDs"
set xlabel "Time (seconds)"
set yrange [0:*]
plot file using ($1-t0):4 with lines lw 2 lc rgb "#2ecc71" title "Open FDs"

unset multiplot