test: l2fwd_perf: add runner script

Add script for setting up a test run of `odp_l2fwd_perf` during `make
check`. Script is heavily influenced by the existing `odp_l2fwd_run.sh`.

Signed-off-by: Tuomas Taipale <tuomas.taipale@nokia.com>

test/performance/Makefile.am

@@ -47,6 +47,7 @@ TESTSCRIPTS = odp_cpu_bench_run.sh \
 	      odp_dma_perf_run.sh \
 	      odp_ipsec_run.sh \
 	      odp_l2fwd_run.sh \
+	      odp_l2fwd_perf_run.sh \
 	      odp_packet_gen_run.sh \
 	      odp_sched_latency_run.sh \
 	      odp_sched_perf_run.sh \

test/performance/odp_l2fwd_perf_run.sh

@@ -0,0 +1,104 @@
+#!/bin/bash
+#
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright (c) 2015-2018 Linaro Limited
+# Copyright (c) 2024 Nokia
+#
+
+# directory where test binaries have been built
+TEST_DIR="${TEST_DIR:-$PWD}"
+# directory where test sources are, including scripts
+TEST_SRC_DIR=$(dirname $0)
+
+PATH=$TEST_DIR:$PATH
+
+# exit codes expected by automake for skipped tests
+TEST_SKIPPED=77
+
+VALIDATION_TESTDIR=platform/$ODP_PLATFORM/test/validation
+PLATFORM_VALIDATION=${TEST_SRC_DIR}/../../$VALIDATION_TESTDIR
+
+# Use installed pktio env or for make check take it from platform directory
+if [ -f "./pktio_env" ]; then
+	. ./pktio_env
+elif  [ "$ODP_PLATFORM" = "" ]; then
+	echo "$0: error: ODP_PLATFORM must be defined"
+	# not skipped as this should never happen via "make check"
+	exit 1
+elif [ -f ${PLATFORM_VALIDATION}/api/pktio/pktio_env ]; then
+	. ${PLATFORM_VALIDATION}/api/pktio/pktio_env
+else
+	echo "BUG: unable to find pktio_env!"
+	echo "pktio_env has to be in current directory or in platform/\$ODP_PLATFORM/test."
+	echo "ODP_PLATFORM=\"$ODP_PLATFORM\""
+	exit 1
+fi
+
+run_l2fwd_perf()
+{
+	setup_pktio_env clean # install trap to call cleanup_pktio_env
+
+	if [ $? -ne 0 ]; then
+		echo "setup_pktio_env error $?"
+		exit $TEST_SKIPPED
+	fi
+
+	type odp_packet_gen > /dev/null
+
+	if [ $? -ne 0 ]; then
+		echo "odp_packet_gen not installed. Aborting."
+		cleanup_pktio_env
+		exit 1
+	fi
+
+	# Run odp_packet_gen with one tx thread
+	GEN_LOG=odp_packet_gen_tmp.log
+	(odp_packet_gen${EXEEXT} --gap 0 -i $IF0 \
+			--ipv4_src 192.168.0.1 --ipv4_dst 192.168.0.2 \
+			-r 0 -t 1 2>&1 > $GEN_LOG) \
+			2>&1 > $GEN_LOG &
+	GEN_PID=$!
+	LOG=odp_l2fwd_perf_tmp.log
+	# Max 2 workers
+	odp_l2fwd_perf${EXEEXT} -i $IF1,$IF2 -m 0 -t 5 -c 2 | tee $LOG
+	ret=${PIPESTATUS[0]}
+	kill -2 ${GEN_PID}
+	wait ${GEN_PID}
+
+	if [ ! -f $LOG ]; then
+		echo "FAIL: $LOG not found"
+		ret=1
+	elif [ $ret -eq 0 ]; then
+		PASS_PPS=5000
+
+		if [ "${TEST}" = "coverage" ]; then
+			PASS_PPS=10
+		fi
+
+		MAX_PPS=$(awk '/total packets per second:/ {print $5}' $LOG)
+		NUMREG='^[0-9]+$'
+		echo "PARSED PPS: $MAX_PPS"
+
+		if ! [[ $MAX_PPS =~ $NUMREG ]]; then
+			echo "FAIL: cannot parse $LOG"
+			ret=1
+		elif [ "$MAX_PPS" -lt "$PASS_PPS" ]; then
+			echo -e "\nodp_packet_gen"
+			echo "=============="
+			cat $GEN_LOG
+			echo -e "\nFAIL: pps below threshold $MAX_PPS < $PASS_PPS"
+			ret=1
+		fi
+	fi
+
+	rm -f $GEN_LOG
+	rm -f $LOG
+	cleanup_pktio_env
+	exit $ret
+}
+
+case "$1" in
+	setup)   setup_pktio_env   ;;
+	cleanup) cleanup_pktio_env ;;
+	*)       run_l2fwd_perf ;;
+esac