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Linux ubuntu-s-2vcpu-4gb-fra1-01 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023 x86_64
Apache/2.4.29 (Ubuntu)
134.209.252.102

File Name : pktgen_sample04_many_flows.sh

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Script example for many flows testing
#
# Number of simultaneous flows limited by variable $FLOWS
# and number of packets per flow controlled by variable $FLOWLEN
#
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 "$COUNT" ]     && COUNT="0" # Zero means indefinitely

# NOTICE:  Script specific settings
# =======
# Limiting the number of concurrent flows ($FLOWS)
# and also set how many packets each flow contains ($FLOWLEN)
#
[ -z "$FLOWS" ]     && FLOWS="8000"
[ -z "$FLOWLEN" ]   && FLOWLEN="10"

# Base Config
DELAY="0"  # Zero means max speed

if [[ -n "$BURST" ]]; then
    err 1 "Bursting not supported for this mode"
fi

# General cleanup everything since last run
pg_ctrl "reset"

# Threads are specified with parameter -t value in $THREADS
for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
    dev=${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"

# Randomize source IP-addresses
    pg_set $dev "flag IPSRC_RND"
    pg_set $dev "src_min 198.18.0.0"
    pg_set $dev "src_max 198.19.255.255"

# Limit number of flows (max 65535)
    pg_set $dev "flows $FLOWS"
    #
    # How many packets a flow will send, before flow "entry" is
    # re-generated/setup.
    pg_set $dev "flowlen $FLOWLEN"
    #
    # Flag FLOW_SEQ will cause $FLOWLEN packets from the same flow
    # being send back-to-back, before next flow is selected
    # incrementally.  This helps lookup caches, and is more realistic.
    #
    pg_set $dev "flag FLOW_SEQ"

done

# Run if user hits control-c
function print_result() {
    # Print results
    for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do
	dev=${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

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2024-03-11 04:52:40
..	dir	-	root/root	0755	2024-03-11 04:52:40
functions.sh	text/plain	4.06 KB	root/root	0644	2023-06-16 05:32:39
parameters.sh	text/plain	2.89 KB	root/root	0644	2018-01-28 09:20:33
pktgen_bench_xmit_mode_netif_receive.sh	text/x-shellscript	2.72 KB	root/root	0755	2018-01-28 09:20:33
pktgen_bench_xmit_mode_queue_xmit.sh	text/x-shellscript	1.92 KB	root/root	0755	2018-01-28 09:20:33
pktgen_sample01_simple.sh	text/x-shellscript	1.94 KB	root/root	0755	2018-01-28 09:20:33
pktgen_sample02_multiqueue.sh	text/x-shellscript	2.23 KB	root/root	0755	2018-01-28 09:20:33
pktgen_sample03_burst_single_flow.sh	text/x-shellscript	2.63 KB	root/root	0755	2018-01-28 09:20:33
pktgen_sample04_many_flows.sh	text/x-shellscript	2.55 KB	root/root	0755	2018-01-28 09:20:33
pktgen_sample05_flow_per_thread.sh	text/x-shellscript	2.31 KB	root/root	0755	2018-01-28 09:20:33
pktgen_sample06_numa_awared_queue_irq_affinity.sh	text/x-shellscript	3.05 KB	root/root	0755	2018-01-28 09:20:33

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