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Mon, 09 Mar 2026 08:10:07 -0700 (PDT) X-Received: by 2002:a05:600c:64c7:b0:47e:e59c:67c5 with SMTP id 5b1f17b1804b1-4852671d9c3mr179495145e9.8.1773069006952; Mon, 09 Mar 2026 08:10:06 -0700 (PDT) From: Hanna Czenczek To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, Hanna Czenczek , Kevin Wolf , Brian Song Subject: [PATCH v5 25/25] iotests/308: Add multi-threading sanity test Date: Mon, 9 Mar 2026 16:08:56 +0100 Message-ID: <20260309150856.26800-26-hreitz@redhat.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260309150856.26800-1-hreitz@redhat.com> References: <20260309150856.26800-1-hreitz@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=hreitz@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.819, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.903, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1773069106337154100 Content-Type: text/plain; charset="utf-8" Run qemu-img bench on a simple multi-threaded FUSE export to test that it works. Reviewed-by: Stefan Hajnoczi Signed-off-by: Hanna Czenczek --- tests/qemu-iotests/308 | 51 ++++++++++++++++++++++++++++++++++ tests/qemu-iotests/308.out | 56 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 107 insertions(+) diff --git a/tests/qemu-iotests/308 b/tests/qemu-iotests/308 index a83c6fc01f..f4a06a522e 100755 --- a/tests/qemu-iotests/308 +++ b/tests/qemu-iotests/308 @@ -441,6 +441,57 @@ $QEMU_IO -c 'read -P 0 0 64M' "$TEST_IMG" | _filter_qe= mu_io =20 _cleanup_test_img =20 +echo +echo '=3D=3D=3D Multi-threading =3D=3D=3D' + +# Just set up a null block device, export it (with multi-threading), and r= un +# qemu-img bench on it (to get parallel requests) + +_launch_qemu +_send_qemu_cmd $QEMU_HANDLE \ + "{'execute': 'qmp_capabilities'}" \ + 'return' + +_send_qemu_cmd $QEMU_HANDLE \ + "{'execute': 'blockdev-add', + 'arguments': { + 'driver': 'null-co', + 'node-name': 'null' + } }" \ + 'return' + +for id in iothread{0,1,2,3}; do + _send_qemu_cmd $QEMU_HANDLE \ + "{'execute': 'object-add', + 'arguments': { + 'qom-type': 'iothread', + 'id': '$id' + } }" \ + 'return' +done + +echo + +iothreads=3D"['iothread0', 'iothread1', 'iothread2', 'iothread3']" +fuse_export_add \ + 'export' \ + "'mountpoint': '$EXT_MP', 'iothread': $iothreads" \ + 'return' \ + 'null' + +echo +$QEMU_IMG bench -f raw "$EXT_MP" | + sed -e 's/[0-9.]\+ seconds/X.XXX seconds/' +echo + +fuse_export_del 'export' + +_send_qemu_cmd $QEMU_HANDLE \ + "{'execute': 'quit'}" \ + 'return' + +wait=3Dyes _cleanup_qemu + # success, all done echo "*** done" rm -f $seq.full diff --git a/tests/qemu-iotests/308.out b/tests/qemu-iotests/308.out index ebeaf64b48..580cc94e92 100644 --- a/tests/qemu-iotests/308.out +++ b/tests/qemu-iotests/308.out @@ -217,4 +217,60 @@ read 67108864/67108864 bytes at offset 0 {"return": {}} read 67108864/67108864 bytes at offset 0 64 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +=3D=3D=3D Multi-threading =3D=3D=3D +{'execute': 'qmp_capabilities'} +{"return": {}} +{'execute': 'blockdev-add', + 'arguments': { + 'driver': 'null-co', + 'node-name': 'null' + } } +{"return": {}} +{'execute': 'object-add', + 'arguments': { + 'qom-type': 'iothread', + 'id': 'iothread0' + } } +{"return": {}} +{'execute': 'object-add', + 'arguments': { + 'qom-type': 'iothread', + 'id': 'iothread1' + } } +{"return": {}} +{'execute': 'object-add', + 'arguments': { + 'qom-type': 'iothread', + 'id': 'iothread2' + } } +{"return": {}} +{'execute': 'object-add', + 'arguments': { + 'qom-type': 'iothread', + 'id': 'iothread3' + } } +{"return": {}} + +{'execute': 'block-export-add', + 'arguments': { + 'type': 'fuse', + 'id': 'export', + 'node-name': 'null', + 'mountpoint': 'TEST_DIR/t.IMGFMT.fuse', 'iothread': ['iothre= ad0', 'iothread1', 'iothread2', 'iothread3'] + } } +{"return": {}} + +Sending 75000 read requests, 4096 bytes each, 64 in parallel (starting at = offset 0, step size 4096) +Run completed in X.XXX seconds. + +{'execute': 'block-export-del', + 'arguments': { + 'id': 'export' + } } +{"return": {}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "BLOCK_EXPORT_DELETED", "data": {"id": "export"}} +{'execute': 'quit'} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event"= : "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}} +{"return": {}} *** done --=20 2.53.0