X-Git-Url: http://rtime.felk.cvut.cz/gitweb/can-benchmark.git/blobdiff_plain/27c8ce5c4cd6ef751eb4c0914805aef74ce50f68..8340d0e1199ab3ce2750d2d705b34c7a70f589a2:/gw-tests/lib.sh diff --git a/gw-tests/lib.sh b/gw-tests/lib.sh index f384587..4c4274d 100644 --- a/gw-tests/lib.sh +++ b/gw-tests/lib.sh @@ -11,8 +11,8 @@ error() { while [ $# -gt 0 ]; do case "$1" in - -P) OPT_PLOT_DISABLE=1; shift;; - -p) OPT_PLOT_ONLY=1; shift;; + -P|--no-plot) OPT_PLOT_DISABLE=1; shift;; + -p|--plot) OPT_PLOT_ONLY=1; shift;; -X|--no-x11-plot) OPT_NO_X11=1; shift;; -t) case "$2" in all|flood|50|oneatatime) OPT_TRAFFIC=$2;; @@ -27,7 +27,7 @@ PATH=$PWD/../_compiled/bin/:$PATH sshgw() { local socket="$HOME/.ssh/cangw-connection" - if [[ ! -S $socket ]]; then + if [[ ! -S $socket ]] || ! ssh -x -a -S $socket root@192.168.2.3 true; then # Create master connection to speed up subsequenct command. # The ssh is put into background and the connection is closed # after 10 minutes) @@ -44,6 +44,7 @@ _plot() { local testname=`basename $0 .sh` plot_cmds | sed -e "/set title/ s/[\"']\(.*\)[\"']/\"\1\\\\n($kvers)\"/" > plot.gp + if [[ ! -s plot.gp ]]; then return; fi if [ -z "$OPT_NO_X11" ]; then echo "set terminal x11 enhanced; $(< plot.gp)" | gnuplot -persist fi @@ -59,16 +60,6 @@ _plot() { } -create_dirs() { - local kver=$1 - local traffic=$2 - local test=$3 - - local d=results/$kver/$traffic/$test - mkdir -p $d - echo $d -} - echo_plot() { plot=$1 [[ "$_plot_separator" ]] && echo ", \\" @@ -78,7 +69,7 @@ echo_plot() { traffic_and_length() { local opts - case $OPT_TRAFFIC in + case $traffic in flood) opts='';; 50) opts="-p $((2*(44+$1*8)))";; oneatatime) opts="-o";; @@ -87,45 +78,57 @@ traffic_and_length() { echo $opts -l $1 } +_measure() { + # Remove data from the last measurement + rm -rf * + touch .results + cat > plot.sh <<-EOF + #!/bin/bash + export kvers=$kvers + export hostkvers=$hostkvers + export traffic=$traffic + cd \$(dirname \$0)/$(dirname $script) + exec ./$(basename $script) --plot "\$@" + EOF + chmod +x plot.sh + # Set can interfaces up + sshgw 'for i in 0 1; do ip link show dev can$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 'if pid=`pidof irq/145-can0`; then chrt -p -f 50 $pid > /dev/null; fi' + sshgw 'if pid=`pidof irq/146-can1`; then chrt -p -f 50 $pid > /dev/null; fi' + sshgw 'if pid=`pidof sirq-net-rx/0`; then chrt -p -f 49 $pid > /dev/null; fi' + sshgw 'if pid=`pidof sirq-net-tx/0`; then chrt -p -f 49 $pid > /dev/null; fi' + # Set the length of qdisc queue to avoid ENOBUFS errors + ifconfig can0 txqueuelen 200 + cleanupgw + + main +} + + _run() { - if [[ ! "$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 + else traffics=${traffic:-$OPT_TRAFFIC} fi - for OPT_TRAFFIC in $traffics; do - for kvers in $kernel_versions; do - dir=$(create_dirs $kvers $OPT_TRAFFIC $(basename $0 .sh)) - script=$PWD/$0 + hostkvers=${hostkvers:-host-$(uname -r)} + kvers=${kvers:-$(sshgw uname -r)} + test=$(basename $0 .sh) + for traffic in $traffics; do + dir="results/$hostkvers/$kvers/$traffic/$test" + mkdir -p $dir + script=$(echo $dir | sed -e 's/[^/]*/../g')/${test}.sh 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 $script . + _measure fi if [[ ! "$OPT_PLOT_DISABLE" ]]; then _plot fi - cd - - done + cd - > /dev/null done }