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| -rwxr-xr-x | samples/pktgen/pktgen_sample05_flow_per_thread.sh | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/samples/pktgen/pktgen_sample05_flow_per_thread.sh b/samples/pktgen/pktgen_sample05_flow_per_thread.sh new file mode 100755 index 000000000000..32ad818e2829 --- /dev/null +++ b/samples/pktgen/pktgen_sample05_flow_per_thread.sh @@ -0,0 +1,81 @@ +#!/bin/bash +# +# Script will generate one flow per thread (-t N) +# - Same destination IP +# - Fake source IPs for each flow (fixed based on thread number) +# +# Useful for scale testing on receiver, to see whether silo'ing flows +# works and scales. For optimal scalability (on receiver) each +# separate-flow should not access shared variables/data. This script +# helps magnify any of these scaling issues by overloading the receiver. +# +basedir=`dirname $0` +source ${basedir}/functions.sh +root_check_run_with_sudo "$@" + +# Parameter parsing via include +source ${basedir}/parameters.sh +# Set some default params, if they didn't get set +[ -z "$DEST_IP" ] && DEST_IP="198.18.0.42" +[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff" +[ -z "$CLONE_SKB" ] && CLONE_SKB="0" +[ -z "$BURST" ] && BURST=32 + + +# Base Config +DELAY="0" # Zero means max speed +COUNT="0" # Zero means indefinitely + +# General cleanup everything since last run +pg_ctrl "reset" + +# Threads are specified with parameter -t value in $THREADS +for ((thread = 0; thread < $THREADS; thread++)); do + dev=${DEV}@${thread} + + # Add remove all other devices and add_device $dev to thread + pg_thread $thread "rem_device_all" + pg_thread $thread "add_device" $dev + + # Base config + pg_set $dev "flag QUEUE_MAP_CPU" + pg_set $dev "count $COUNT" + pg_set $dev "clone_skb $CLONE_SKB" + pg_set $dev "pkt_size $PKT_SIZE" + pg_set $dev "delay $DELAY" + pg_set $dev "flag NO_TIMESTAMP" + + # Single destination + pg_set $dev "dst_mac $DST_MAC" + pg_set $dev "dst $DEST_IP" + + # Setup source IP-addresses based on thread number + pg_set $dev "src_min 198.18.$((thread+1)).1" + pg_set $dev "src_max 198.18.$((thread+1)).1" + + # Setup burst, for easy testing -b 0 disable bursting + # (internally in pktgen default and minimum burst=1) + if [[ ${BURST} -ne 0 ]]; then + pg_set $dev "burst $BURST" + else + info "$dev: Not using burst" + fi + +done + +# Run if user hits control-c +function print_result() { + # Print results + for ((thread = 0; thread < $THREADS; thread++)); do + dev=${DEV}@${thread} + echo "Device: $dev" + cat /proc/net/pktgen/$dev | grep -A2 "Result:" + done +} +# trap keyboard interrupt (Ctrl-C) +trap true SIGINT + +echo "Running... ctrl^C to stop" >&2 +pg_ctrl "start" + +print_result |