#!/bin/bash

. lib.sh

main() {
    if [ "$kvers" = 3.0.4-rt14-00008-gb2052fd -a "$load" = eth -a $traffic != oneatatime ]; then echo "Skipping eth test"; SKIPPED=1; return; fi
    if [ "$kvers" = 3.4.33-rt47-00004-gc58c9ae -a "$load" = eth -a $traffic != oneattime ]; then echo "Skipping eth test"; SKIPPED=1; return; fi;
    pid=$(sshgw 'chrt -f 90 candump -s2 -b can1 can0 & echo $!')
    latester -d can0 -d can1 -d can2 -c $COUNT $(traffic_and_length 2) -n user2
    latester -d can0 -d can1 -d can2 -c $COUNT $(traffic_and_length 8) -n user8
    sshgw kill $pid
    sshgw cangw -A -s can0 -d can1
    latester -d can0 -d can1 -d can2 -c $COUNT $(traffic_and_length 2) -n kern2
    latester -d can0 -d can1 -d can2 -c $COUNT $(traffic_and_length 8) -n kern8
}

ADDITIONAL_PLOTS=detail

plot_cmds() {
    if [[ "$1" = detail ]]; then
	[[ $traffic = eth ]] && return
	range=0.0:0.5
	echo "set logscale y"
	echo "set mxtics 5"
    else
	range=0.01:1000
	echo "set logscale xy"
    fi
    cat <<EOF
set termoption dashed
set style line 1 lt 1 lc 1 pt 1
set style line 2 lt 2 lc 1 pt 1
set style line 3 lt 1 lc 2 pt 2
set style line 4 lt 2 lc 2 pt 2
set title "Kernel vs. userspace GW, no modifications"
set grid xtics mxtics ytics mytics lw 1, lw 0.5
set xlabel "GW latency [ms]"
set ylabel "Latency profile [frames]"
plot [$range] [1:$COUNT] \\
          "user2-hist.txt" with lp ls 1 title "Userspace GW, 2 byte messages", \\
          "user8-hist.txt" with lp ls 2 title "Userspace GW, 8 byte messages", \\
          "kern2-hist.txt" with lp ls 3 title "Kernel GW, 2 byte messages", \\
          "kern8-hist.txt" with lp ls 4 title "Kernel GW, 8 byte messages"
EOF
}
    
test_end