summaryrefslogtreecommitdiffstats
path: root/samples/pktgen/pktgen_sample05_flow_per_thread.sh
diff options
context:
space:
mode:
Diffstat (limited to 'samples/pktgen/pktgen_sample05_flow_per_thread.sh')
-rwxr-xr-xsamples/pktgen/pktgen_sample05_flow_per_thread.sh102
1 files changed, 102 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 000000000..3578d0aa4
--- /dev/null
+++ b/samples/pktgen/pktgen_sample05_flow_per_thread.sh
@@ -0,0 +1,102 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# 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 ${basedir}/parameters.sh
+# Set some default params, if they didn't get set
+if [ -z "$DEST_IP" ]; then
+ [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1"
+fi
+[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
+[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
+[ -z "$BURST" ] && BURST=32
+[ -z "$COUNT" ] && COUNT="0" # Zero means indefinitely
+if [ -n "$DEST_IP" ]; then
+ validate_addr${IP6} $DEST_IP
+ read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP)
+fi
+if [ -n "$DST_PORT" ]; then
+ read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT)
+ validate_ports $UDP_DST_MIN $UDP_DST_MAX
+fi
+
+# General cleanup everything since last run
+[ -z "$APPEND" ] && 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 $dev to thread
+ [ -z "$APPEND" ] && 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 $dev "dst${IP6}_min $DST_MIN"
+ pg_set $dev "dst${IP6}_max $DST_MAX"
+
+ if [ -n "$DST_PORT" ]; then
+ # Single destination port or random port range
+ pg_set $dev "flag UDPDST_RND"
+ pg_set $dev "udp_dst_min $UDP_DST_MIN"
+ pg_set $dev "udp_dst_max $UDP_DST_MAX"
+ fi
+
+ [ ! -z "$UDP_CSUM" ] && pg_set $dev "flag UDPCSUM"
+
+ # 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 = $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
+
+if [ -z "$APPEND" ]; then
+ echo "Running... ctrl^C to stop" >&2
+ pg_ctrl "start"
+
+ print_result
+else
+ echo "Append mode: config done. Do more or use 'pg_ctrl start' to run"
+fi