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/:$PATH
  13
  14 RTPRIO=${RTPRIO:-60}
  15 COUNT=${COUNT:-10000}
  16
  17 boost_irq_prio() {
  18     local PRIO=${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 $IRQ_PID
  24             return 0
  25         fi
  26     fi
  27     return 1
  28 }
  29
  30 rmmod_can() {
  31     modprobe -r lincan kvaser_pci vcan
  32 }
  33
  34 prepare_lincan_hw() {
  35     rmmod_can
  36     modprobe -C /dev/null lincan hw=pcican-q io=1 baudrate=1000,1000,1000,1000 processlocal=0
  37     CAN0=/dev/can0
  38     CAN1=/dev/can1
  39     DRIVER=lincan
  40     sleep 0.1
  41 }
  42
  43 prepare_lincan_virtual() {
  44     rmmod_can
  45     modprobe -C /dev/null lincan hw=virtual io=0 baudrate=0
  46     CAN0=/dev/can0
  47     CAN1=/dev/can0
  48     DRIVER=lincan-virtual
  49     sleep 0.1
  50 }
  51
  52 prepare_socketcan_hw() {
  53     rmmod_can
  54     modprobe kvaser_pci
  55     echo 1000000 > /sys/class/net/can0/can_bittiming/bitrate
  56     ip link set up dev can0
  57     echo 1000000 > /sys/class/net/can1/can_bittiming/bitrate
  58     ip link set up dev can1
  59     echo 1000000 > /sys/class/net/can2/can_bittiming/bitrate
  60     ip link set up dev can2
  61     echo 1000000 > /sys/class/net/can3/can_bittiming/bitrate
  62     ip link set up dev can3
  63     CAN0=socketcan:can0
  64     CAN1=socketcan:can1
  65     DRIVER=socketcan
  66 }
  67
  68 prepare_socketcan_virtual() {
  69     rmmod_can
  70     modprobe vcan
  71     ip link add dev vcan0 type vcan
  72     ip link set up dev vcan0
  73     CAN0=socketcan:vcan0
  74     CAN1=socketcan:vcan0
  75     DRIVER=socketcan-virtual
  76 }
  77
  78 run_tests() {
  79     tests=${TESTS:-socketcan_hw lincan_hw}
  80     for tst in $tests; do
  81         boost_irq_prio 50 || true
  82         prepare_$tst
  83         echo "----------------------"
  84         t
  85     done
  86 }
  87
  88 kvers() {
  89     local cmdline=$(cat /proc/cmdline|sed -e 's/BOOT_IMAGE=[^ ]*//' \
  90                                           -e 's/root=[^ ]*//' \
  91                                           -e 's/ro//' \
  92                                           -e 's/quiet//' \
  93                                           -e 's/rootfstype=[^ ]*//' \
  94                                           -e 's/elevator=[^ ]*//' \
  95                                           -e 's/^ *//' \
  96                                           -e 's/ *$//'|tr -s ' ' '_')
  97     v=$(uname -r)
  98     [ -n "$cmdline" ] && v="$v:$cmdline"
  99     echo $v
 100 }
 101
 102 plot() {
 103     for i in "${!PLOT_CMD[@]}"; do
 104         cmd="${PLOT_CMD[$i]}";
 105         cmd=$(echo "$cmd" | sed -e "/set title/ s/[\"']\(.*\)[\"']/'\1 ($(kvers), CPU\\\\@${clk}Mhz)'/")
 106         if [ -z "$OPT_NO_X11" ]; then
 107             echo "set terminal x11 enhanced; ${cmd}" | gnuplot -persist
 108         fi
 109         I=${i/0/}
 110         echo "set terminal postscript color eps enhanced;
 111               ${cmd}" | gnuplot | epstopdf --filter > `basename $0 .sh`$I.pdf
 112         mkdir -p thumb
 113         convert -geometry 1000x100 -gamma 0.3 `basename $0 .sh`$I.pdf thumb/`basename $0 .sh`$I.png
 114         convert -density 200 -gamma 0.7 -geometry 1000x500 `basename $0 .sh`$I.pdf `basename $0 .sh`$I.png
 115     done
 116 }
 117
 118 create_dirs_and_links() {
 119     local test=$1
 120     local kver=$2
 121     local clck=$3
 122
 123     local  d=results/by-test/$test/$kver/$clck
 124     mkdir -p $d
 125     mkdir -p results/by-test/$test/$clck # 1
 126     mkdir -p results/by-kern/$kver/$clck # 2
 127     mkdir -p results/by-kern/$kver/$test # 3
 128     mkdir -p results/by-clck/$clck/$kver # 4
 129     mkdir -p results/by-clck/$clck/$test # 5
 130     ln -sfT ../../../${d#results/} results/by-test/$test/$clck/$kver # 1
 131     ln -sfT ../../../${d#results/} results/by-kern/$kver/$clck/$test # 2
 132     ln -sfT ../../../${d#results/} results/by-kern/$kver/$test/$clck # 3
 133     ln -sfT ../../../${d#results/} results/by-clck/$clck/$kver/$test # 4
 134     ln -sfT ../../../${d#results/} results/by-clck/$clck/$test/$kver # 5
 135     echo $d
 136 }
 137
 138 go() {
 139     echo "####################"
 140     mhz=`sed -ne '/^cpu MHz/ s/.*:\([^.]+\).*/\1/p' /proc/cpuinfo|head -n 1`
 141     if [ -r /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq ]; then
 142         local max=$((`cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq`/1000))
 143         local min=$((`cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq`/1000))
 144         mhz="$max $min"
 145     fi
 146     for clk in $mhz; do
 147     echo "===================="
 148         dir=$(create_dirs_and_links `basename $0 .sh` `kvers` $clk)
 149         set -x
 150         pushd $dir
 151
 152         if [ ! -n "$OPT_PLOT_ONLY" ]; then
 153             cpufreq-set -f ${clk}MHz
 154             run_tests
 155             cpufreq-set -f 2400MHz
 156         fi
 157         plot
 158         popd
 159         set +x
 160     done
 161
 162 }
 163
 164 trap 'go' EXIT