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 $IRQ_PID
  26             return 0
  27         fi
  28     fi
  29     return 1
  30 }
  31
  32 rmmod_can() {
  33     modprobe -r lincan kvaser_pci vcan
  34 }
  35
  36 prepare_lincan_hw() {
  37     rmmod_can
  38     modprobe -C /dev/null lincan hw=pcican-q io=1 baudrate=1000,1000,1000,1000 processlocal=0
  39     CAN0=/dev/can0
  40     CAN1=/dev/can1
  41     DRIVER=lincan
  42     sleep 0.1
  43 }
  44
  45 prepare_lincan_virtual() {
  46     rmmod_can
  47     modprobe -C /dev/null lincan hw=virtual io=0 baudrate=0
  48     CAN0=/dev/can0
  49     CAN1=/dev/can0
  50     DRIVER=lincan-virtual
  51     sleep 0.1
  52 }
  53
  54 prepare_socketcan_hw() {
  55     rmmod_can
  56     modprobe kvaser_pci
  57     echo 1000000 > /sys/class/net/can0/can_bittiming/bitrate
  58     ip link set up dev can0
  59     echo 1000000 > /sys/class/net/can1/can_bittiming/bitrate
  60     ip link set up dev can1
  61     echo 1000000 > /sys/class/net/can2/can_bittiming/bitrate
  62     ip link set up dev can2
  63     echo 1000000 > /sys/class/net/can3/can_bittiming/bitrate
  64     ip link set up dev can3
  65     CAN0=socketcan:can0
  66     CAN1=socketcan:can1
  67     DRIVER=socketcan
  68 }
  69
  70 prepare_socketcan_virtual() {
  71     rmmod_can
  72     modprobe vcan
  73     ip link add dev vcan0 type vcan
  74     ip link set up dev vcan0
  75     CAN0=socketcan:vcan0
  76     CAN1=socketcan:vcan0
  77     DRIVER=socketcan-virtual
  78 }
  79
  80 run_tests() {
  81     tests=${TESTS:-socketcan_hw lincan_hw}
  82     for tst in $tests; do
  83         echo 300 > /proc/sys/net/core/netdev_budget
  84         boost_irq_prio 50 || true
  85         prepare_$tst
  86         echo "----------------------"
  87         t
  88         echo 300 > /proc/sys/net/core/netdev_budget
  89     done
  90 }
  91
  92 kvers() {
  93     local cmdline=$(cat /proc/cmdline|sed -e 's/BOOT_IMAGE=[^ ]*//' \
  94                                           -e 's/root=[^ ]*//' \
  95                                           -e 's/ro//' \
  96                                           -e 's/quiet//' \
  97                                           -e 's/rootfstype=[^ ]*//' \
  98                                           -e 's/elevator=[^ ]*//' \
  99                                           -e 's/^ *//' \
 100                                           -e 's/ *$//'|tr -s ' ' '_')
 101     v=$(uname -r)
 102     [ -n "$cmdline" ] && v="$v:$cmdline"
 103     [ -n "$KVERS" ] && v=$KVERS
 104     echo $v
 105 }
 106
 107 plot() {
 108 #    for i in "${!PLOT_CMD[@]}"; do
 109     for i in 0; do
 110         cmd=`p`                 # Get plot commands
 111         cmd=$(echo "$cmd" | sed -e "/set title/ s/[\"']\(.*\)[\"']/\"\1\\\\n($(kvers), CPU\\\\\\\\@${clk}Mhz)\"/")
 112         if [ -z "$OPT_NO_X11" ]; then
 113             echo "set terminal x11 enhanced; ${cmd}" | gnuplot -persist
 114         fi
 115         I=${i/0/}
 116         echo "set terminal postscript color eps enhanced;
 117               ${cmd}" | gnuplot | epstopdf --filter > `basename $0 .sh`$I.pdf
 118         mkdir -p thumb
 119         convert -density 30  -gamma 0.5 -quality 90 -type Palette -depth 8 `basename $0 .sh`$I.pdf thumb/`basename $0 .sh`$I.png
 120         convert -density 150 -gamma 0.7 -quality 90 -type Palette -depth 8 `basename $0 .sh`$I.pdf `basename $0 .sh`$I.png
 121     done
 122 }
 123
 124 create_dirs_and_links() {
 125     local test=$1
 126     local kver=$2
 127     local clck=$3
 128
 129     local  d=results/by-kern/$kver/$clck/$test
 130     mkdir -p $d
 131     mkdir -p results/by-kern/$kver/$test # 1
 132     mkdir -p results/by-test/$test/$kver # 2
 133     mkdir -p results/by-test/$test/$clck # 3
 134     mkdir -p results/by-clck/$clck/$kver # 4
 135     mkdir -p results/by-clck/$clck/$test # 5
 136     ln -sfT ../../../${d#results/} results/by-kern/$kver/$test/$clck # 1
 137     ln -sfT ../../../${d#results/} results/by-test/$test/$kver/$clck # 2
 138     ln -sfT ../../../${d#results/} results/by-test/$test/$clck/$kver # 3
 139     ln -sfT ../../../${d#results/} results/by-clck/$clck/$kver/$test # 4
 140     ln -sfT ../../../${d#results/} results/by-clck/$clck/$test/$kver # 5
 141     echo $d
 142 }
 143
 144 go() {
 145     echo "####################"
 146     mhz=`sed -ne '/^cpu MHz/ s/.*:\([^.]+\).*/\1/p' /proc/cpuinfo|head -n 1`
 147     if [ -r /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq ]; then
 148         local max=$((`cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq`/1000))
 149         local min=$((`cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq`/1000))
 150         mhz="$max $min"
 151     fi
 152     for clk in $mhz; do
 153     echo "===================="
 154         dir=$(create_dirs_and_links `basename $0 .sh` `kvers` $clk)
 155         set -x
 156         pushd $dir
 157
 158         if [ ! -n "$OPT_PLOT_ONLY" ]; then
 159             cpufreq-set -f ${clk}MHz
 160             run_tests
 161             cpufreq-set -f ${mhz}MHz
 162         else
 163             unset OPT_PLOT_DISABLE
 164         fi
 165         if [ ! -n "$OPT_PLOT_DISABLE" ]; then
 166             plot
 167         fi
 168         popd
 169         set +x
 170     done
 171
 172 }
 173
 174 trap 'go' EXIT