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Apparently iperf --bidir has issues with getting full BW on RX, so spin up separate TX and RX instances for TX+RX test

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich 2022-05-15 15:03:02 -07:00
parent cadc811ec6
commit 0845058419
1 changed files with 48 additions and 32 deletions
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80
scripts/iperf_benchmark.sh
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@ -155,18 +155,41 @@ function run_meas()
logdir="$base_logdir/n$iperf_count/$test_type/$rep/"
mkdir -p $logdir
case "$test_type" in
tx) iperf_test="" ;;
rx) iperf_test="-R" ;;
txrx) iperf_test="--bidir" ;;
esac
# start clients
for i in $(seq 1 $iperf_count); do
echo Starting iperf3 instance $i on port $(($base_port+i))
echo -n > "$logdir/iperf-client-$i.log"
$netns_cmd $numa_cmd iperf3 -p $(($base_port+i)) -P $iperf_p -c $ip -f k -t 12 --logfile "$logdir/iperf-client-$i.log" $iperf_args $iperf_test &
done
case "$test_type" in
tx)
for i in $(seq 1 $iperf_count); do
port=$(($base_port+i))
logfile="$logdir/iperf-client-tx-$i.log"
echo Starting iperf3 TX instance $i on port $port
echo -n > "$logfile"
$netns_cmd $numa_cmd iperf3 -p $port -P $iperf_p -c $ip -f k -t 12 --logfile "$logfile" $iperf_args &
done
;;
rx)
for i in $(seq 1 $iperf_count); do
port=$(($base_port+i))
logfile="$logdir/iperf-client-rx-$i.log"
echo Starting iperf3 RX instance $i on port $port
echo -n > "$logfile"
$netns_cmd $numa_cmd iperf3 -p $port -P $iperf_p -c $ip -f k -t 12 --logfile "$logfile" -R $iperf_args &
done
;;
txrx)
for i in $(seq 1 $iperf_count); do
port=$(($base_port+i))
logfile="$logdir/iperf-client-tx-$i.log"
echo Starting iperf3 TX instance $i on port $port
echo -n > "$logfile"
$netns_cmd $numa_cmd iperf3 -p $port -P $iperf_p -c $ip -f k -t 12 --logfile "$logfile" $iperf_args &
port=$(($base_port+$iperf_count+i))
logfile="$logdir/iperf-client-rx-$i.log"
echo Starting iperf3 RX instance $i on port $port
echo -n > "$logfile"
$netns_cmd $numa_cmd iperf3 -p $port -P $iperf_p -c $ip -f k -t 12 --logfile "$logfile" -R $iperf_args &
done
;;
esac
sleep 1
@ -193,30 +216,23 @@ function run_meas()
rmt_txkbps=0
rmt_txretr=0
rmt_rxkbps=0
for file in $logdir/iperf-client-*.log; do
shopt -s nullglob
for file in $logdir/iperf-client-tx-*.log; do
sender=$(cat $file | tr -s ' ' | grep "\[SUM\]" | grep sender)
receiver=$(cat $file | tr -s ' ' | grep "\[SUM\]" | grep receiver)
case "$test_type" in
tx)
lcl_txkbps=$(($lcl_txkbps + $(echo "$sender" | cut -d ' ' -f 6)))
lcl_txretr=$(($lcl_txretr + $(echo "$sender" | cut -d ' ' -f 8)))
rmt_rxkbps=$(($rmt_rxkbps + $(echo "$receiver" | cut -d ' ' -f 6)))
;;
rx)
rmt_txkbps=$(($rmt_txkbps + $(echo "$sender" | cut -d ' ' -f 6)))
rmt_txretr=$(($rmt_txretr + $(echo "$sender" | cut -d ' ' -f 8)))
lcl_rxkbps=$(($lcl_rxkbps + $(echo "$receiver" | cut -d ' ' -f 6)))
;;
txrx)
lcl_txkbps=$(($lcl_txkbps + $(echo "$sender" | grep "\[TX-C\]" | cut -d ' ' -f 6)))
lcl_txretr=$(($lcl_txretr + $(echo "$sender" | grep "\[TX-C\]" | cut -d ' ' -f 8)))
rmt_rxkbps=$(($rmt_rxkbps + $(echo "$receiver" | grep "\[TX-C\]" | cut -d ' ' -f 6)))
rmt_txkbps=$(($rmt_txkbps + $(echo "$sender" | grep "\[RX-C\]" | cut -d ' ' -f 6)))
rmt_txretr=$(($rmt_txretr + $(echo "$sender" | grep "\[RX-C\]" | cut -d ' ' -f 8)))
lcl_rxkbps=$(($lcl_rxkbps + $(echo "$receiver" | grep "\[RX-C\]" | cut -d ' ' -f 6)))
;;
esac
lcl_txkbps=$(($lcl_txkbps + $(echo "$sender" | cut -d ' ' -f 6)))
lcl_txretr=$(($lcl_txretr + $(echo "$sender" | cut -d ' ' -f 8)))
rmt_rxkbps=$(($rmt_rxkbps + $(echo "$receiver" | cut -d ' ' -f 6)))
done
shopt -s nullglob
for file in $logdir/iperf-client-rx-*.log; do
sender=$(cat $file | tr -s ' ' | grep "\[SUM\]" | grep sender)
receiver=$(cat $file | tr -s ' ' | grep "\[SUM\]" | grep receiver)
rmt_txkbps=$(($rmt_txkbps + $(echo "$sender" | cut -d ' ' -f 6)))
rmt_txretr=$(($rmt_txretr + $(echo "$sender" | cut -d ' ' -f 8)))
lcl_rxkbps=$(($lcl_rxkbps + $(echo "$receiver" | cut -d ' ' -f 6)))
done
if_stat=$(grep "$netdev:" "$logdir/proc_net_dev.log" | tr -s ' ' | cut -d ' ' -f 2- | sed -n '1p;$p' | awk 'NR==1{for(i=1;i<=NF;i++){col[i]=$i};next}{for(i=1;i<=NF;i++){printf "%s ",$i-col[i];col[i]=$i};print ""}')