summaryrefslogtreecommitdiffstats
path: root/kernel/samples/pktgen/pktgen_sample02_multiqueue.sh
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/samples/pktgen/pktgen_sample02_multiqueue.sh')
-rwxr-xr-xkernel/samples/pktgen/pktgen_sample02_multiqueue.sh75
1 files changed, 75 insertions, 0 deletions
diff --git a/kernel/samples/pktgen/pktgen_sample02_multiqueue.sh b/kernel/samples/pktgen/pktgen_sample02_multiqueue.sh
new file mode 100755
index 000000000..32467aea8
--- /dev/null
+++ b/kernel/samples/pktgen/pktgen_sample02_multiqueue.sh
@@ -0,0 +1,75 @@
+#!/bin/bash
+#
+# Multiqueue: Using pktgen threads for sending on multiple CPUs
+# * adding devices to kernel threads
+# * notice the naming scheme for keeping device names unique
+# * nameing scheme: dev@thread_number
+# * flow variation via random UDP source port
+#
+basedir=`dirname $0`
+source ${basedir}/functions.sh
+root_check_run_with_sudo "$@"
+#
+# Required param: -i dev in $DEV
+source ${basedir}/parameters.sh
+
+# Base Config
+DELAY="0" # Zero means max speed
+COUNT="100000" # Zero means indefinitely
+[ -z "$CLONE_SKB" ] && CLONE_SKB="0"
+
+# Flow variation random source port between min and max
+UDP_MIN=9
+UDP_MAX=109
+
+# (example of setting default params in your script)
+[ -z "$DEST_IP" ] && DEST_IP="198.18.0.42"
+[ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff"
+
+# General cleanup everything since last run
+pg_ctrl "reset"
+
+# Threads are specified with parameter -t value in $THREADS
+for ((thread = 0; thread < $THREADS; thread++)); do
+ # The device name is extended with @name, using thread number to
+ # make then unique, but any name will do.
+ dev=${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
+
+ # Notice config queue to map to cpu (mirrors smp_processor_id())
+ # It is beneficial to map IRQ /proc/irq/*/smp_affinity 1:1 to CPU number
+ pg_set $dev "flag QUEUE_MAP_CPU"
+
+ # Base config of dev
+ pg_set $dev "count $COUNT"
+ pg_set $dev "clone_skb $CLONE_SKB"
+ pg_set $dev "pkt_size $PKT_SIZE"
+ pg_set $dev "delay $DELAY"
+
+ # Flag example disabling timestamping
+ pg_set $dev "flag NO_TIMESTAMP"
+
+ # Destination
+ pg_set $dev "dst_mac $DST_MAC"
+ pg_set $dev "dst $DEST_IP"
+
+ # Setup random UDP port src range
+ pg_set $dev "flag UDPSRC_RND"
+ pg_set $dev "udp_src_min $UDP_MIN"
+ pg_set $dev "udp_src_max $UDP_MAX"
+done
+
+# start_run
+echo "Running... ctrl^C to stop" >&2
+pg_ctrl "start"
+echo "Done" >&2
+
+# Print results
+for ((thread = 0; thread < $THREADS; thread++)); do
+ dev=${DEV}@${thread}
+ echo "Device: $dev"
+ cat /proc/net/pktgen/$dev | grep -A2 "Result:"
+done