tests/_lib.sh

   1
   2 while [ $# -gt 0 ]; do
   3     case "$1" in
   4         -P) OPT_PLOT_DISABLE=1; shift;;
   5         -p) OPT_PLOT_ONLY=1; shift;;
   6         -X|--no-x11-plot) OPT_NO_X11=1; shift;;
   7     esac
   8 done
   9
  10 #set -x
  11 set -e
  12
  13 PATH=$PWD/../_compiled/bin/:$PATH
  14
  15 RTPRIO=${RTPRIO:-60}
  16 COUNT=${COUNT:-10000}
  17 export CANPING_MS=1             # Generate plots in milliseconds
  18
  19 boost_irq_prio() {
  20     local PRIO=${1:-50}
  21     CAN_IRQ=`sed -ne '/can/ s/:.*//p' /proc/interrupts`
  22     if [ -n "$CAN_IRQ" ]; then
  23         IRQ_PID=`pidof IRQ-${CAN_IRQ/ /}` || true
  24         if [ -n "$IRQ_PID" ]; then
  25             schedtool -F -p $PRIO $IRQ_PID
  26             return 0
  27         fi
  28     fi
  29     return 1
  30 }
  31
  32 rmmod_can() {
  33     modprobe -r lincan kvaser_pci vcan || true
  34 }
  35
  36 prepare_lincan_hw() {
  37     rmmod_can
  38     modprobe -C /dev/null lincan hw=pcican-q io=1 baudrate=1000,1000,1000,1000 processlocal=0
  39     CAN0=/dev/can0
  40     CAN1=/dev/can1
  41     DRIVER=lincan
  42     sleep 0.1
  43 }
  44
  45 prepare_lincan_virtual() {
  46     rmmod_can
  47     modprobe -C /dev/null lincan hw=virtual io=0 baudrate=0
  48     CAN0=/dev/can0
  49     CAN1=/dev/can0
  50     DRIVER=lincan-virtual
  51     sleep 0.1
  52 }
  53
  54 socketcan_set_bitrate() {
  55     local canX=$1
  56     if [ -f /sys/class/net/$canX/can_bittiming/bitrate ]; then
  57         echo 1000000 > /sys/class/net/$canX/can_bittiming/bitrate
  58     else
  59         ip link set $canX type can bitrate 1000000
  60     fi
  61 }
  62 prepare_socketcan_hw() {
  63     rmmod_can
  64     modprobe kvaser_pci
  65     socketcan_set_bitrate can0
  66     ip link set up dev can0
  67     socketcan_set_bitrate can1
  68     ip link set up dev can1
  69     socketcan_set_bitrate can2
  70     ip link set up dev can2
  71     socketcan_set_bitrate can3
  72     ip link set up dev can3
  73     CAN0=socketcan:can0
  74     CAN1=socketcan:can1
  75     DRIVER=socketcan
  76 }
  77
  78 prepare_socketcan_virtual() {
  79     rmmod_can
  80     modprobe vcan
  81     ip link add dev vcan0 type vcan || true
  82     ip link set up dev vcan0
  83     CAN0=socketcan:vcan0
  84     CAN1=socketcan:vcan0
  85     DRIVER=socketcan-virtual
  86 }
  87
  88 run_tests() {
  89     tests=${TESTS:-socketcan_hw lincan_hw}
  90     for tst in $tests; do
  91         echo 300 > /proc/sys/net/core/netdev_budget
  92         boost_irq_prio 50 || true
  93         prepare_$tst
  94         echo "----------------------"
  95         t
  96         echo 300 > /proc/sys/net/core/netdev_budget
  97     done
  98 }
  99
 100 kvers() {
 101     local cmdline=$(cat /proc/cmdline|sed -e 's/BOOT_IMAGE=[^ ]*//' \
 102                                           -e 's/root=[^ ]*//' \
 103                                           -e 's/ro//' \
 104                                           -e 's/quiet//' \
 105                                           -e 's/rootfstype=[^ ]*//' \
 106                                           -e 's/elevator=[^ ]*//' \
 107                                           -e 's/^ *//' \
 108                                           -e 's/ *$//'|tr -s ' ' '_')
 109     v=$(uname -r)
 110     [ -n "$cmdline" ] && v="$v:$cmdline"
 111     [ -n "$KVERS" ] && v=$KVERS
 112     echo $v
 113 }
 114
 115 plot() {
 116 #    for i in "${!PLOT_CMD[@]}"; do
 117     local testname=`basename $0 .sh`
 118     for i in 0; do
 119         cmd=`p`                 # Get plot commands
 120         cmd=$(echo "$cmd" | sed -e "/set title/ s/[\"']\(.*\)[\"']/\"\1\\\\n($(kvers), CPU\\\\\\\\@${clk}MHz)\"/")
 121         if [ -z "$OPT_NO_X11" ]; then
 122             echo "set terminal x11 enhanced; ${cmd}" | gnuplot -persist
 123         fi
 124         I=${i/0/}
 125         echo 'set terminal postscript color eps enhanced size 6cm,4cm lw 1 "Times-Roman" 10;' \
 126              'set lmargin 8;' \
 127               "${cmd}" | gnuplot > ${testname}$I.eps
 128         echo "set terminal postscript color eps enhanced;" \
 129              "${cmd}" | gnuplot | epstopdf --filter > ${testname}$I.pdf
 130         mkdir -p thumb
 131         convert -density 30  -gamma 0.5 -quality 90 -type Palette -depth 8 ${testname}$I.pdf thumb/${testname}$I.png
 132         convert -density 150 -gamma 0.7 -quality 90 -type Palette -depth 8 ${testname}$I.pdf ${testname}$I.png
 133     done
 134 }
 135
 136 create_dirs_and_links() {
 137     local test=$1
 138     local kver=$2
 139     local clck=$3
 140
 141     local  d=results/by-kern/$kver/$clck/$test
 142     mkdir -p $d
 143     mkdir -p results/by-kern/$kver/$test # 1
 144     mkdir -p results/by-test/$test/$kver # 2
 145     mkdir -p results/by-test/$test/$clck # 3
 146     mkdir -p results/by-clck/$clck/$kver # 4
 147     mkdir -p results/by-clck/$clck/$test # 5
 148     ln -sfT ../../../${d#results/} results/by-kern/$kver/$test/$clck # 1
 149     ln -sfT ../../../${d#results/} results/by-test/$test/$kver/$clck # 2
 150     ln -sfT ../../../${d#results/} results/by-test/$test/$clck/$kver # 3
 151     ln -sfT ../../../${d#results/} results/by-clck/$clck/$kver/$test # 4
 152     ln -sfT ../../../${d#results/} results/by-clck/$clck/$test/$kver # 5
 153     echo $d
 154 }
 155
 156 go() {
 157     echo "####################"
 158     if [ ! -n "$OPT_PLOT_ONLY" ]; then
 159         mhz=`sed -ne '/^cpu MHz/ s/.*:\([^.]\+\).*/\1/p' /proc/cpuinfo|head -n 1`
 160         if [ -r /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq ]; then
 161             local max=$((`cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq`/1000))
 162             local min=$((`cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq`/1000))
 163             mhz="$max $min"
 164         fi
 165     else
 166         mhz=$(cd results/by-clck; echo *)
 167     fi
 168     for clk in $mhz; do
 169     echo "===================="
 170         dir=$(create_dirs_and_links `basename $0 .sh` `kvers` $clk)
 171         set -x
 172         pushd $dir
 173
 174         if [ ! -n "$OPT_PLOT_ONLY" ]; then
 175             cpufreq-set -f ${clk}MHz
 176             run_tests
 177             cpufreq-set -f ${mhz}MHz
 178         else
 179             unset OPT_PLOT_DISABLE
 180         fi
 181         if [ ! -n "$OPT_PLOT_DISABLE" ]; then
 182             plot
 183         fi
 184         popd
 185         set +x
 186     done
 187
 188 }
 189
 190 trap 'go' EXIT