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Tue, 21 Oct 2025 16:47:13 -0700 (PDT) From: Bobby Eshleman Date: Tue, 21 Oct 2025 16:46:58 -0700 Subject: [PATCH net-next v7 15/26] selftests/vsock: identify and execute tests that can re-use VM Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251021-vsock-vmtest-v7-15-0661b7b6f081@meta.com> References: <20251021-vsock-vmtest-v7-0-0661b7b6f081@meta.com> In-Reply-To: <20251021-vsock-vmtest-v7-0-0661b7b6f081@meta.com> To: Stefano Garzarella , Shuah Khan , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Stefan Hajnoczi , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , =?utf-8?q?Eugenio_P=C3=A9rez?= , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Bryan Tan , Vishnu Dasa , Broadcom internal kernel review list , Bobby Eshleman Cc: virtualization@lists.linux.dev, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-hyperv@vger.kernel.org, berrange@redhat.com, Bobby Eshleman X-Mailer: b4 0.13.0 From: Bobby Eshleman In preparation for future patches that introduce tests that cannot re-use the same VM, add functions to identify those that *can* re-use a VM. By continuing to re-use the same VM for these tests we can save time by avoiding the delay of booting a VM for every test. Signed-off-by: Bobby Eshleman --- tools/testing/selftests/vsock/vmtest.sh | 63 ++++++++++++++++++++++++++---= ---- 1 file changed, 50 insertions(+), 13 deletions(-) diff --git a/tools/testing/selftests/vsock/vmtest.sh b/tools/testing/selfte= sts/vsock/vmtest.sh index 5368ec7b1895..4ee77e6570e8 100755 --- a/tools/testing/selftests/vsock/vmtest.sh +++ b/tools/testing/selftests/vsock/vmtest.sh @@ -45,6 +45,8 @@ readonly TEST_DESCS=3D( "Run vsock_test using the loopback transport in the VM." ) =20 +readonly USE_SHARED_VM=3D(vm_server_host_client vm_client_host_server vm_l= oopback) + VERBOSE=3D0 =20 usage() { @@ -454,7 +456,44 @@ test_vm_loopback() { return "${KSFT_PASS}" } =20 -run_test() { +shared_vm_test() { + local tname + + tname=3D"${1}" + + for testname in "${USE_SHARED_VM[@]}"; do + if [[ "${tname}" =3D=3D "${testname}" ]]; then + return 0 + fi + done + + return 1 +} + +shared_vm_tests_requested() { + for arg in "$@"; do + if shared_vm_test "${arg}"; then + return 0 + fi + done + + return 1 +} + +run_shared_vm_tests() { + local arg + + for arg in "$@"; do + if ! shared_vm_test "${arg}"; then + continue + fi + + run_shared_vm_test "${arg}" + check_result $? + done +} + +run_shared_vm_test() { local host_oops_cnt_before local host_warn_cnt_before local vm_oops_cnt_before @@ -530,23 +569,21 @@ handle_build =20 echo "1..${#ARGS[@]}" =20 -log_host "Booting up VM" -pidfile=3D"$(mktemp -u $PIDFILE_TEMPLATE)" -vm_start "${pidfile}" -vm_wait_for_ssh -log_host "VM booted up" - cnt_pass=3D0 cnt_fail=3D0 cnt_skip=3D0 cnt_total=3D0 -for arg in "${ARGS[@]}"; do - run_test "${arg}" - rc=3D$? - check_result ${rc} -done =20 -terminate_pidfiles "${pidfile}" +if shared_vm_tests_requested "${ARGS[@]}"; then + log_host "Booting up VM" + pidfile=3D$(mktemp $PIDFILE_TEMPLATE) + vm_start "${pidfile}" + vm_wait_for_ssh + log_host "VM booted up" + + run_shared_vm_tests "${ARGS[@]}" + terminate_pidfiles "${pidfile}" +fi =20 echo "SUMMARY: PASS=3D${cnt_pass} SKIP=3D${cnt_skip} FAIL=3D${cnt_fail}" echo "Log: ${LOG}" --=20 2.47.3