diff options
Diffstat (limited to 'yardstick/benchmark/scenarios/networking/pktgen_benchmark.bash')
| -rw-r--r-- | yardstick/benchmark/scenarios/networking/pktgen_benchmark.bash | 139 |
1 files changed, 96 insertions, 43 deletions
diff --git a/yardstick/benchmark/scenarios/networking/pktgen_benchmark.bash b/yardstick/benchmark/scenarios/networking/pktgen_benchmark.bash index 4224c5abf..e338a1b09 100644 --- a/yardstick/benchmark/scenarios/networking/pktgen_benchmark.bash +++ b/yardstick/benchmark/scenarios/networking/pktgen_benchmark.bash @@ -16,6 +16,8 @@ DST_IP=$1 # destination IP address NUM_PORTS=$2 # number of source ports PKT_SIZE=$3 # packet size DURATION=$4 # test duration (seconds) +TRXQUEUE=$5 # number of RX/TX queues to use +PPS=$6 # packets per second to send # Configuration UDP_SRC_MIN=1000 # UDP source port min @@ -37,62 +39,100 @@ pgset() fi } +# remove all devices from thread +pgclean() +{ + COUNTER=0 + while [ ${COUNTER} -lt ${TRXQUEUE} ]; do + # + # Thread commands + # + + PGDEV=/proc/net/pktgen/kpktgend_${COUNTER} + + # Remove all devices from this thread + pgset "rem_device_all" + let COUNTER=COUNTER+1 + done +} + # configure pktgen (see pktgen doc for details) pgconfig() { - # - # Thread commands - # + pps=$(( PPS / TRXQUEUE )) + COUNTER=0 + while [ ${COUNTER} -lt ${TRXQUEUE} ]; do + # + # Thread commands + # - PGDEV=/proc/net/pktgen/kpktgend_0 + PGDEV=/proc/net/pktgen/kpktgend_${COUNTER} - # Remove all devices from this thread - pgset "rem_device_all" + # Add device to thread + pgset "add_device $DEV@${COUNTER}" - # Add device to thread - pgset "add_device $DEV" + # + # Device commands + # - # - # Device commands - # + PGDEV=/proc/net/pktgen/$DEV@${COUNTER} - PGDEV=/proc/net/pktgen/$DEV + # 0 means continious sends untill explicitly stopped + pgset "count 0" - # 0 means continious sends untill explicitly stopped - pgset "count 0" + # set pps count to test with an explicit number. if 0 will try with bandwidth + if [ ${pps} -gt 0 ] + then + pgset "ratep ${pps}" + fi - # use single SKB for all transmits - pgset "clone_skb 0" + pgset "clone_skb 10" - # packet size, NIC adds 4 bytes CRC - pgset "pkt_size $PKT_SIZE" + # use different queue per thread + pgset "queue_map_min ${COUNTER}" + pgset "queue_map_max ${COUNTER}" - # random address within the min-max range - pgset "flag IPDST_RND UDPSRC_RND UDPDST_RND" + # packet size, NIC adds 4 bytes CRC + pgset "pkt_size $PKT_SIZE" - # destination IP - pgset "dst_min $DST_IP" - pgset "dst_max $DST_IP" + # random address within the min-max range + pgset "flag UDPDST_RND" + pgset "flag UDPSRC_RND" + pgset "flag IPDST_RND" - # destination MAC address - pgset "dst_mac $MAC" + # destination IP + pgset "dst_min $DST_IP" + pgset "dst_max $DST_IP" + + # destination MAC address + pgset "dst_mac $MAC" + + # source UDP port range + pgset "udp_src_min $UDP_SRC_MIN" + pgset "udp_src_max $UDP_SRC_MAX" - # source UDP port range - pgset "udp_src_min $UDP_SRC_MIN" - pgset "udp_src_max $UDP_SRC_MAX" + # destination UDP port range + pgset "udp_dst_min $UDP_DST_MIN" + pgset "udp_dst_max $UDP_DST_MAX" - # destination UDP port range - pgset "udp_dst_min $UDP_DST_MIN" - pgset "udp_dst_max $UDP_DST_MAX" + let COUNTER=COUNTER+1 + + done } # run pktgen pgrun() { - # Time to run, result can be vieved in /proc/net/pktgen/$DEV + # Time to run, result can be viewed in /proc/net/pktgen/$DEV PGDEV=/proc/net/pktgen/pgctrl # Will hang, Ctrl-C or SIGINT to stop pgset "start" start + + COUNTER=0 + while [ ${COUNTER} -lt ${TRXQUEUE} ]; do + taskset -c ${COUNTER} kpktgend_${COUNTER} + let COUNTER=COUNTER+1 + done } # run pktgen for ${DURATION} seconds @@ -111,19 +151,28 @@ run_test() # write the result to stdout in json format output_json() { - sent=$(awk '/^Result:/{print $5}' <$PGDEV) - pps=$(awk 'match($0,/'\([0-9]+\)pps'/, a) {print a[1]}' <$PGDEV) - errors=$(awk '/errors:/{print $5}' <$PGDEV) + sent=0 + result_pps=0 + errors=0 + PGDEV=/proc/net/pktgen/$DEV@ + COUNTER=0 + while [ ${COUNTER} -lt ${TRXQUEUE} ]; do + sent=$(($sent + $(awk '/^Result:/{print $5}' <$PGDEV${COUNTER}))) + result_pps=$(($result_pps + $(awk 'match($0,/'\([0-9]+\)pps'/, a) {print a[1]}' <$PGDEV${COUNTER}))) + errors=$(($errors + $(awk '/errors:/{print $5}' <$PGDEV${COUNTER}))) + let COUNTER=COUNTER+1 + done flows=$(( NUM_PORTS * (NUM_PORTS + 1) )) - echo { '"packets_sent"':$sent , '"packets_per_second"':$pps, '"flows"':$flows, '"errors"':$errors } + echo '{ "packets_sent"':${sent} , '"packets_per_second"':${result_pps}, '"flows"':${flows}, '"errors"':${errors} '}' } # main entry main() { modprobe pktgen + pgclean ping -c 3 $DST_IP >/dev/null @@ -137,16 +186,20 @@ main() pgconfig # run the test - run_test >/dev/null + run_test - PGDEV=/proc/net/pktgen/$DEV + PGDEV=/proc/net/pktgen/$DEV@ # check result - result=$(cat $PGDEV | fgrep "Result: OK:") - if [ "$result" = "" ]; then - cat $PGDEV | fgrep Result: >/dev/stderr - exit 1 - fi + COUNTER=0 + while [ ${COUNTER} -lt ${TRXQUEUE} ]; do + result=$(cat $PGDEV${COUNTER} | fgrep "Result: OK:") + if [ "$result" = "" ]; then + cat $PGDEV${COUNTER} | fgrep Result: >/dev/stderr + exit 1 + fi + let COUNTER=COUNTER+1 + done # output result output_json |