tests/_lib.sh

   1
   2 while [ $# -gt 0 ]; do
   3     case "$1" in
   4         -p) OPT_PLOT_ONLY=1; shift;;
   5         -X|--no-x11-plot) OPT_NO_X11=1; shift;;
   6     esac
   7 done
   8
   9 #set -x
  10 set -e
  11
  12 PATH=$PWD/../_compiled/bin/:$PATH
  13
  14 RTPRIO=60
  15 COUNT=10000
  16
  17 boost_irq_prio() {
  18     local PRIO=${1:-50}
  19     CAN_IRQ=`sed -ne '/can/ s/:.*//p' /proc/interrupts`
  20     if [ -n "$CAN_IRQ" ]; then
  21         IRQ_PID=`pidof IRQ-${CAN_IRQ/ /}` || true
  22         if [ -n "$IRQ_PID" ]; then
  23             schedtool -F -p $PRIO $IRQ_PID
  24             return 0
  25         fi
  26     fi
  27     return 1
  28 }
  29
  30 rmmod_can() {
  31     modprobe -r lincan kvaser_pci vcan
  32 }
  33
  34 prepare_lincan_hw() {
  35     rmmod_can
  36     modprobe -C /dev/null lincan hw=pcican-q io=1 baudrate=1000,1000,1000,1000 processlocal=0
  37     CAN0=/dev/can0
  38     CAN1=/dev/can1
  39     DRIVER=lincan
  40     sleep 0.1
  41 }
  42
  43 prepare_lincan_virtual() {
  44     rmmod_can
  45     modprobe -C /dev/null lincan hw=virtual io=0 baudrate=0
  46     CAN0=/dev/can0
  47     DRIVER=lincan-virtual
  48     sleep 0.1
  49 }
  50
  51 prepare_socketcan_hw() {
  52     rmmod_can
  53     modprobe kvaser_pci
  54     echo 1000000 > /sys/class/net/can0/can_bittiming/bitrate
  55     ip link set up dev can0
  56     echo 1000000 > /sys/class/net/can1/can_bittiming/bitrate
  57     ip link set up dev can1
  58     echo 1000000 > /sys/class/net/can2/can_bittiming/bitrate
  59     ip link set up dev can2
  60     echo 1000000 > /sys/class/net/can3/can_bittiming/bitrate
  61     ip link set up dev can3
  62     CAN0=socketcan:can0
  63     CAN1=socketcan:can1
  64     DRIVER=socketcan
  65 }
  66
  67 prepare_socketcan_virtual() {
  68     rmmod_can
  69     modprobe vcan
  70     ip link add dev vcan0 type vcan
  71     ip link set up dev vcan0
  72     CAN0=socketcan:vcan0
  73     DRIVER=socketcan-virtual
  74 }
  75
  76 run_tests() {
  77     tests=${TESTS:-socketcan_hw lincan_hw}
  78     for tst in $tests; do
  79         boost_irq_prio 50 || true
  80         prepare_$tst
  81         t
  82     done
  83 }
  84
  85 plot() {
  86     for i in "${!PLOT_CMD[@]}"; do
  87         cmd="${PLOT_CMD[$i]}";
  88         cmd=$(echo "$cmd" | sed -e "/set title/ s/[\"']\(.*\)[\"']/'\1 ($(uname -r), CPU\\\\@${clk}Mhz)'/")
  89         if [ -z "$OPT_NO_X11" ]; then
  90             echo "set terminal x11 enhanced; ${cmd}" | gnuplot -persist
  91         fi
  92         I=${i/0/}
  93         echo "set terminal postscript color eps enhanced;
  94               ${cmd}" | gnuplot | epstopdf --filter > `basename $0 .sh`$I.pdf
  95         mkdir -p thumb
  96         convert -geometry 1000x100 -gamma 0.3 `basename $0 .sh`$I.pdf thumb/`basename $0 .sh`$I.png
  97         convert -density 200 -gamma 0.7 -geometry 1000x500 `basename $0 .sh`$I.pdf `basename $0 .sh`$I.png
  98     done
  99 }
 100
 101 create_dirs_and_links() {
 102     local test=$1
 103     local kver=$2
 104     local clck=$3
 105
 106     local  d=results/by-test/$test/$kver/$clck
 107     mkdir -p $d
 108     mkdir -p results/by-test/$test/$clck # 1
 109     mkdir -p results/by-kern/$kver/$clck # 2
 110     mkdir -p results/by-kern/$kver/$test # 3
 111     mkdir -p results/by-clck/$clck/$kver # 4
 112     mkdir -p results/by-clck/$clck/$test # 5
 113     ln -sfT ../../../${d#results/} results/by-test/$test/$clck/$kver # 1
 114     ln -sfT ../../../${d#results/} results/by-kern/$kver/$clck/$test # 2
 115     ln -sfT ../../../${d#results/} results/by-kern/$kver/$test/$clck # 3
 116     ln -sfT ../../../${d#results/} results/by-clck/$clck/$kver/$test # 4
 117     ln -sfT ../../../${d#results/} results/by-clck/$clck/$test/$kver # 5
 118     echo $d
 119 }
 120
 121 go() {
 122     mhz=${MHZ:-2400 300}
 123     for clk in $mhz; do
 124         dir=$(create_dirs_and_links `basename $0 .sh` `uname -r` $clk)
 125         set -x
 126         pushd $dir
 127
 128         if [ ! -n "$OPT_PLOT_ONLY" ]; then
 129             cpufreq-set -f ${clk}MHz
 130             run_tests
 131             cpufreq-set -f 2400MHz
 132         fi
 133         plot
 134         popd
 135         set +x
 136     done
 137
 138 }
 139
 140 trap 'go' EXIT