diff options
Diffstat (limited to 'tests')
| -rwxr-xr-x | tests/qemu-iotests/255 | 83 | ||||
| -rw-r--r-- | tests/qemu-iotests/255.out | 16 | ||||
| -rw-r--r-- | tests/qemu-iotests/group | 1 | ||||
| -rw-r--r-- | tests/qemu-iotests/iotests.py | 10 |
4 files changed, 109 insertions, 1 deletions
diff --git a/tests/qemu-iotests/255 b/tests/qemu-iotests/255 new file mode 100755 index 0000000..c0bb37a --- /dev/null +++ b/tests/qemu-iotests/255 @@ -0,0 +1,83 @@ +#!/usr/bin/env python +# +# Test commit job graph modifications while requests are active +# +# Copyright (C) 2019 Red Hat, Inc. +# +# Creator/Owner: Kevin Wolf <kwolf@redhat.com> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +import iotests +from iotests import imgfmt + +iotests.verify_image_format(supported_fmts=['qcow2']) + +def blockdev_create(vm, options): + result = vm.qmp_log('blockdev-create', + filters=[iotests.filter_qmp_testfiles], + job_id='job0', options=options) + + if 'return' in result: + assert result['return'] == {} + vm.run_job('job0') + iotests.log("") + +with iotests.FilePath('t.qcow2') as disk_path, \ + iotests.FilePath('t.qcow2.mid') as mid_path, \ + iotests.FilePath('t.qcow2.base') as base_path, \ + iotests.VM() as vm: + + iotests.log("=== Create backing chain and start VM ===") + iotests.log("") + + size = 128 * 1024 * 1024 + size_str = str(size) + + iotests.create_image(base_path, size) + iotests.qemu_img_log('create', '-f', iotests.imgfmt, mid_path, size_str) + iotests.qemu_img_log('create', '-f', iotests.imgfmt, disk_path, size_str) + + # Create a backing chain like this: + # base <- [throttled: bps-read=4096] <- mid <- overlay + + vm.add_object('throttle-group,x-bps-read=4096,id=throttle0') + vm.add_blockdev('file,filename=%s,node-name=base' % (base_path)) + vm.add_blockdev('throttle,throttle-group=throttle0,file=base,node-name=throttled') + vm.add_blockdev('file,filename=%s,node-name=mid-file' % (mid_path)) + vm.add_blockdev('qcow2,file=mid-file,node-name=mid,backing=throttled') + vm.add_drive_raw('if=none,id=overlay,driver=qcow2,file=%s,backing=mid' % (disk_path)) + + vm.launch() + + iotests.log("=== Start background read requests ===") + iotests.log("") + + def start_requests(): + vm.hmp_qemu_io('overlay', 'aio_read 0 4k') + vm.hmp_qemu_io('overlay', 'aio_read 0 4k') + + start_requests() + + iotests.log("=== Run a commit job ===") + iotests.log("") + + result = vm.qmp_log('block-commit', job_id='job0', auto_finalize=False, + device='overlay', top_node='mid') + + vm.run_job('job0', auto_finalize=False, pre_finalize=start_requests, + auto_dismiss=True) + + vm.shutdown() diff --git a/tests/qemu-iotests/255.out b/tests/qemu-iotests/255.out new file mode 100644 index 0000000..9a2d7cb --- /dev/null +++ b/tests/qemu-iotests/255.out @@ -0,0 +1,16 @@ +=== Create backing chain and start VM === + +Formatting 'TEST_DIR/PID-t.qcow2.mid', fmt=qcow2 size=134217728 cluster_size=65536 lazy_refcounts=off refcount_bits=16 + +Formatting 'TEST_DIR/PID-t.qcow2', fmt=qcow2 size=134217728 cluster_size=65536 lazy_refcounts=off refcount_bits=16 + +=== Start background read requests === + +=== Run a commit job === + +{"execute": "block-commit", "arguments": {"auto-finalize": false, "device": "overlay", "job-id": "job0", "top-node": "mid"}} +{"return": {}} +{"execute": "job-finalize", "arguments": {"id": "job0"}} +{"return": {}} +{"data": {"id": "job0", "type": "commit"}, "event": "BLOCK_JOB_PENDING", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} +{"data": {"device": "job0", "len": 134217728, "offset": 134217728, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 859c4b5..88049ad 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -265,3 +265,4 @@ 252 rw auto backing quick 253 rw auto quick 254 rw auto backing quick +255 rw auto quick diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 7bde380..6bcddd8 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -126,6 +126,11 @@ def qemu_img_pipe(*args): sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args)))) return subp.communicate()[0] +def qemu_img_log(*args): + result = qemu_img_pipe(*args) + log(result, filters=[filter_testfiles]) + return result + def img_info_log(filename, filter_path=None, imgopts=False, extra_args=[]): args = [ 'info' ] if imgopts: @@ -533,7 +538,8 @@ class VM(qtest.QEMUQtestMachine): return result # Returns None on success, and an error string on failure - def run_job(self, job, auto_finalize=True, auto_dismiss=False): + def run_job(self, job, auto_finalize=True, auto_dismiss=False, + pre_finalize=None): error = None while True: for ev in self.get_qmp_events_filtered(wait=True): @@ -546,6 +552,8 @@ class VM(qtest.QEMUQtestMachine): error = j['error'] log('Job failed: %s' % (j['error'])) elif status == 'pending' and not auto_finalize: + if pre_finalize: + pre_finalize() self.qmp_log('job-finalize', id=job) elif status == 'concluded' and not auto_dismiss: self.qmp_log('job-dismiss', id=job) |