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devtools/test-null.sh
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David Marchand
eal: configure initial device probing
14 апр 2026, 18:19
14 апр 2026, 18:19
7baf816
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#! /bin/sh -e # SPDX-License-Identifier: BSD-3-Clause # Copyright 2015 6WIND S.A. # Copyright 2019 Mellanox Technologies, Ltd # Run a quick testpmd forwarding with null PMD without hugepage build=${1:-build} # first argument can be the build directory testpmd=$1 # or first argument can be the testpmd path corelist=${2:-0-1} # default using cores 0 and 1 eal_options=$3 testpmd_options=$4 [ -f "$testpmd" ] && build=$(dirname $(dirname $testpmd)) [ -f "$testpmd" ] || testpmd=$build/app/dpdk-testpmd [ -f "$testpmd" ] || testpmd=$build/app/testpmd if [ ! -f "$testpmd" ] ; then echo 'ERROR: testpmd cannot be found' >&2 exit 1 fi if ldd $testpmd | grep -q librte_ ; then export LD_LIBRARY_PATH=$build/lib:$LD_LIBRARY_PATH libs="-d $build/drivers" else libs= fi logfile=$build/test-null.log (sleep 1 && echo stop) | # testpmd only needs 20M, make it x2 (default number of cores) for NUMA systems $testpmd -l $corelist --no-huge -m 40 \ $libs -A --vdev net_null1 --vdev net_null2 $eal_options -- \ --no-mlockall --total-num-mbufs=2048 $testpmd_options -ia | tee $logfile # we expect two ports and some traffic is received and transmitted grep -q 'io packet forwarding - ports=2 -' $logfile grep 'RX-packets: ' $logfile | tail -1 | grep -q 'RX-packets:[[:space:]]*[^0[:space:]]' grep 'TX-packets: ' $logfile | tail -1 | grep -q 'TX-packets:[[:space:]]*[^0[:space:]]'