X-Git-Url: http://rtime.felk.cvut.cz/gitweb/can-benchmark.git/blobdiff_plain/cbabf3384f02fbbee23d3678a0ab12d0c459938a..9109d42725cebef9c99c8cbd9eed494ba0c54e89:/gw-tests/lib.sh

diff --git a/gw-tests/lib.sh b/gw-tests/lib.sh
index a20f791..43afe6d 100644
--- a/gw-tests/lib.sh
+++ b/gw-tests/lib.sh
@@ -1,92 +1,142 @@
 set -e
 
+COUNT=10000
+
+OPT_TRAFFIC=oneatatime
+
+error() {
+    echo $1 >&2
+    exit 1
+}
+
 while [ $# -gt 0 ]; do
     case "$1" in
 	-P) OPT_PLOT_DISABLE=1; shift;;
 	-p) OPT_PLOT_ONLY=1; shift;;
 	-X|--no-x11-plot) OPT_NO_X11=1; shift;;
+	-t) case "$2" in
+		all|flood|50|oneatatime) OPT_TRAFFIC=$2;;
+		*) error "Unknown traffic specification: $2";;
+    	    esac;
+    	    shift 2;;
     esac
 done
 
 PATH=$PWD/../_compiled/bin/:$PATH
 
-COUNT=10000
-
-error() {
-    echo $1 >&2
-    exit 1
-}
-
 sshgw() {
     local socket="$HOME/.ssh/cangw-connection"
 
     if [[ ! -S $socket ]]; then
-        # Create master connection to speed up subsequenct command.
-        # The ssh is put into background and the connection is closed
-        # after 10 minutes)
+	# Create master connection to speed up subsequenct command.
+	# The ssh is put into background and the connection is closed
+	# after 10 minutes)
 	ssh -f -M -S $socket root@192.168.2.3 sleep 600 > /dev/null 2>&1
     fi
     ssh -x -a -S $socket root@192.168.2.3 "$@"
 }
 
-_cleanupgw() {
-    # Set can interfaces up
-    sshgw 'for i in 0 1; do ip link show dev can$i|grep -q UP || ip link set can$i up type can bitrate 1000000; done'
-    # Delete all GW rules
-    sshgw 'eval $(cangw -L|sed -e s/-A/-D/ -e "s/#.*/;/")'
+cleanupgw() {
+    sshgw 'cangw -F'
 }
 
 _plot() {
     local testname=`basename $0 .sh`
 
-    cmd=$(plot_cmds)			# Get plot commands
-    cmd=$(echo "$cmd" | sed -e "/set title/ s/[\"']\(.*\)[\"']/\"\1\\\\n($kvers)\"/")
+    plot_cmds | sed -e "/set title/ s/[\"']\(.*\)[\"']/\"\1\\\\n($kvers)\"/" > plot.gp
     if [ -z "$OPT_NO_X11" ]; then
-	echo "set terminal x11 enhanced; ${cmd}" | gnuplot -persist
+	echo "set terminal x11 enhanced; $(< plot.gp)" | gnuplot -persist
     fi
     I=''
     echo 'set terminal postscript color eps enhanced size 6cm,4cm lw 1 "Times-Roman" 10;' \
 	'set lmargin 8;' \
-	"${cmd}" | gnuplot > ${testname}$I.eps
+	"$(< plot.gp)" | gnuplot > ${testname}$I.eps
     echo "set terminal postscript color eps enhanced;" \
-	"${cmd}" | gnuplot | epstopdf --filter > ${testname}$I.pdf
+	"$(< plot.gp)" | gnuplot | epstopdf --filter > ${testname}$I.pdf
     mkdir -p thumb
     convert -density 30  -gamma 0.5 -quality 90 -type Palette -depth 8 ${testname}$I.pdf thumb/${testname}$I.png
     convert -density 150 -gamma 0.7 -quality 90 -type Palette -depth 8 ${testname}$I.pdf ${testname}$I.png
 
 }
 
-create_dirs_and_links() {
-    local test=$1
-    local kver=$2
+echo_plot() {
+    plot=$1
+    [[ "$_plot_separator" ]] && echo ", \\"
+    _plot_separator=t
+    echo -n "    " $plot
+}
 
-    local  d=results/by-kern/$kver/$test
-    mkdir -p $d
-    mkdir -p results/by-test/$test
-    ln -sfT ../../${d#results/} results/by-test/$test/$kver
-    echo $d
+traffic_and_length() {
+    local opts
+    case $OPT_TRAFFIC in
+	flood) opts='';;
+	50) 	   opts="-p $((2*(44+$1*8)))";;
+	oneatatime) 	   opts="-o";;
+	*) error "Unknown traffic specification"
+    esac
+    echo $opts -l $1
 }
 
 _run() {
-    _cleanupgw
-    kvers=$(sshgw uname -r)
-    dir=$(create_dirs_and_links $(basename $0 .sh) $kvers)
-    cd $dir
-    main
-    _plot
+    if [[ ! "$OPT_PLOT_ONLY" ]]
+    then kernel_versions=$(sshgw uname -r)
+    else kernel_versions=$(ls results/by-kern)
+    fi
+    if [[ $OPT_TRAFFIC = all ]]
+    then traffics="flood 50 oneatatime"
+    else traffics=$OPT_TRAFFIC
+    fi
+    for OPT_TRAFFIC in $traffics; do
+    for kvers in $kernel_versions; do
+	dir="results/host-$(uname -r)/$kvers/$OPT_TRAFFIC/$(basename $0 .sh)"
+	mkdir -p $dir
+	script=$PWD/$0
+	cd $dir
+	echo "Working directory: $dir"
+	if [[ ! "$OPT_PLOT_ONLY" ]]; then
+	    # Remove data from the last measurement
+	    rm -rf *
+	    # Set can interfaces up
+	    sshgw 'for i in 0 1; do ip link show dev can$i|grep -q UP || ip link set can$i up type can bitrate 1000000; done'
+	    # Delete all vcan interfaces
+	    sshgw 'for dev in $(ip l|grep -o vcan[^:]\\+); do ip link del dev $dev; done'
+	    # Reset priorities
+	    sshgw 'chrt -p -f 50 `pidof irq/145-can0` > /dev/null || :'
+	    sshgw 'chrt -p -f 50 `pidof irq/146-can1` > /dev/null || :'
+	    sshgw 'chrt -p -f 49 `pidof sirq-net-rx/0` > /dev/null || :'
+	    sshgw 'chrt -p -f 49 `pidof sirq-net-tx/0` > /dev/null || :'
+	    # Set the length of qdisc queue to avoid ENOBUFS errors
+	    ifconfig can0 txqueuelen 200
+	    cleanupgw
+
+	    main
+	    cp $script .
+	fi
+	if [[ ! "$OPT_PLOT_DISABLE" ]]; then
+	    _plot
+	fi
+	cd -
+    done
+    done
 }
 
 test_end() {
     test_end_called=t
-    trap '' DEBUG
+    exit_ok=
     _run
+    exit_ok=t
 }
 
-exit() {
+_myexit() {
+    code=$?
+    cmd=$BASH_COMMAND
     if [[ ! "$test_end_called" ]]; then
 	test_end_called=t
 	error "bug in the test script: No test_end called"
     fi
+    if ! test -n "$exit_ok"; then
+	error "FATAL: Command '$cmd' exit with code $code"
+    fi
 }
 
-trap 'exit' EXIT
+trap '_myexit' EXIT