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=${COUNT:-10000}
  16 export CANPING_MS=1             # Generate plots in milliseconds
  17
  18 boost_irq_prio() {
  19     local PRIO=${1:-50}
  20     CAN_IRQ=`sed -ne '/can/ s/:.*//p' /proc/interrupts`
  21     if [ -n "$CAN_IRQ" ]; then
  22         IRQ_PID=`pidof IRQ-${CAN_IRQ/ /}` || true
  23         if [ -n "$IRQ_PID" ]; then
  24             schedtool -F -p $PRIO $IRQ_PID
  25             return 0
  26         fi
  27     fi
  28     return 1
  29 }
  30
  31 rmmod_can() {
  32     modprobe -r lincan kvaser_pci vcan
  33 }
  34
  35 prepare_lincan_hw() {
  36     rmmod_can
  37     modprobe -C /dev/null lincan hw=pcican-q io=1 baudrate=1000,1000,1000,1000 processlocal=0
  38     CAN0=/dev/can0
  39     CAN1=/dev/can1
  40     DRIVER=lincan
  41     sleep 0.1
  42 }
  43
  44 prepare_lincan_virtual() {
  45     rmmod_can
  46     modprobe -C /dev/null lincan hw=virtual io=0 baudrate=0
  47     CAN0=/dev/can0
  48     CAN1=/dev/can0
  49     DRIVER=lincan-virtual
  50     sleep 0.1
  51 }
  52
  53 prepare_socketcan_hw() {
  54     rmmod_can
  55     modprobe kvaser_pci
  56     echo 1000000 > /sys/class/net/can0/can_bittiming/bitrate
  57     ip link set up dev can0
  58     echo 1000000 > /sys/class/net/can1/can_bittiming/bitrate
  59     ip link set up dev can1
  60     echo 1000000 > /sys/class/net/can2/can_bittiming/bitrate
  61     ip link set up dev can2
  62     echo 1000000 > /sys/class/net/can3/can_bittiming/bitrate
  63     ip link set up dev can3
  64     CAN0=socketcan:can0
  65     CAN1=socketcan:can1
  66     DRIVER=socketcan
  67 }
  68
  69 prepare_socketcan_virtual() {
  70     rmmod_can
  71     modprobe vcan
  72     ip link add dev vcan0 type vcan
  73     ip link set up dev vcan0
  74     CAN0=socketcan:vcan0
  75     CAN1=socketcan:vcan0
  76     DRIVER=socketcan-virtual
  77 }
  78
  79 run_tests() {
  80     tests=${TESTS:-socketcan_hw lincan_hw}
  81     for tst in $tests; do
  82         boost_irq_prio 50 || true
  83         prepare_$tst
  84         echo "----------------------"
  85         t
  86     done
  87 }
  88
  89 kvers() {
  90     local cmdline=$(cat /proc/cmdline|sed -e 's/BOOT_IMAGE=[^ ]*//' \
  91                                           -e 's/root=[^ ]*//' \
  92                                           -e 's/ro//' \
  93                                           -e 's/quiet//' \
  94                                           -e 's/rootfstype=[^ ]*//' \
  95                                           -e 's/elevator=[^ ]*//' \
  96                                           -e 's/^ *//' \
  97                                           -e 's/ *$//'|tr -s ' ' '_')
  98     v=$(uname -r)
  99     [ -n "$cmdline" ] && v="$v:$cmdline"
 100     echo $v
 101 }
 102
 103 plot() {
 104 #    for i in "${!PLOT_CMD[@]}"; do
 105     for i in 0; do
 106         cmd=`p`                 # Get plot commands
 107         cmd=$(echo "$cmd" | sed -e "/set title/ s/[\"']\(.*\)[\"']/\"\1\\\\n($(kvers), CPU\\\\\\\\@${clk}Mhz)\"/")
 108         if [ -z "$OPT_NO_X11" ]; then
 109             echo "set terminal x11 enhanced; ${cmd}" | gnuplot -persist
 110         fi
 111         I=${i/0/}
 112         echo "set terminal postscript color eps enhanced;
 113               ${cmd}" | gnuplot | epstopdf --filter > `basename $0 .sh`$I.pdf
 114         mkdir -p thumb
 115         convert -geometry 1000x100 -gamma 0.3 `basename $0 .sh`$I.pdf thumb/`basename $0 .sh`$I.png
 116         convert -density 200 -gamma 0.7 -geometry 1000x500 `basename $0 .sh`$I.pdf `basename $0 .sh`$I.png
 117     done
 118 }
 119
 120 create_dirs_and_links() {
 121     local test=$1
 122     local kver=$2
 123     local clck=$3
 124
 125     local  d=results/by-kern/$kver/$clck/$test
 126     mkdir -p $d
 127     mkdir -p results/by-kern/$kver/$test # 1
 128     mkdir -p results/by-test/$test/$kver # 2
 129     mkdir -p results/by-test/$test/$clck # 3
 130     mkdir -p results/by-clck/$clck/$kver # 4
 131     mkdir -p results/by-clck/$clck/$test # 5
 132     ln -sfT ../../../${d#results/} results/by-kern/$kver/$test/$clck # 1
 133     ln -sfT ../../../${d#results/} results/by-test/$test/$kver/$clck # 2
 134     ln -sfT ../../../${d#results/} results/by-test/$test/$clck/$kver # 3
 135     ln -sfT ../../../${d#results/} results/by-clck/$clck/$kver/$test # 4
 136     ln -sfT ../../../${d#results/} results/by-clck/$clck/$test/$kver # 5
 137     echo $d
 138 }
 139
 140 go() {
 141     echo "####################"
 142     mhz=`sed -ne '/^cpu MHz/ s/.*:\([^.]+\).*/\1/p' /proc/cpuinfo|head -n 1`
 143     if [ -r /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq ]; then
 144         local max=$((`cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq`/1000))
 145         local min=$((`cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq`/1000))
 146         mhz="$max $min"
 147     fi
 148     for clk in $mhz; do
 149     echo "===================="
 150         dir=$(create_dirs_and_links `basename $0 .sh` `kvers` $clk)
 151         set -x
 152         pushd $dir
 153
 154         if [ ! -n "$OPT_PLOT_ONLY" ]; then
 155             cpufreq-set -f ${clk}MHz
 156             run_tests
 157             cpufreq-set -f 2400MHz
 158         fi
 159         plot
 160         popd
 161         set +x
 162     done
 163
 164 }
 165
 166 trap 'go' EXIT