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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1773160033; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=GYlE0CVt2AjKwTUBmdJU6SEJXf+8f020xSVMTSYvRP8=; b=CVGdtrOnoILWhtzwCtVHrfVeRIPtil+gDr6Dtfgzu+FKRk7Wz233ibV6vU/jpYaiiPPihv aqVwwpHE0EBltuzF6ufMPfCqntBp+qKq/I1J2kN09dB1gTy768Jk3TuwqVgEP5fPygwdtH oKDxmgpNDq1XND4m+XaPAUQP7SYPjrs= X-MC-Unique: Twt1K90AMNOsjlm5-tPpXQ-1 X-Mimecast-MFC-AGG-ID: Twt1K90AMNOsjlm5-tPpXQ_1773160031 From: Kevin Wolf To: qemu-block@nongnu.org Cc: kwolf@redhat.com, qemu-devel@nongnu.org Subject: [PULL 25/28] iotests/308: Add multi-threading sanity test Date: Tue, 10 Mar 2026 17:26:19 +0100 Message-ID: <20260310162622.333137-26-kwolf@redhat.com> In-Reply-To: <20260310162622.333137-1-kwolf@redhat.com> References: <20260310162622.333137-1-kwolf@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" From: Hanna Czenczek 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 Message-ID: <20260309150856.26800-26-hreitz@redhat.com> Reviewed-by: Kevin Wolf Signed-off-by: Kevin Wolf --- 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 a83c6fc01fb..f4a06a522ef 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 ebeaf64b486..580cc94e92f 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