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/qemu/hw/cxl/
H A Dcxl-events.c19 /* Artificial limit on the number of events a log can hold */
22 static void reset_overflow(CXLEventLog *log) in reset_overflow() argument
24 log->overflow_err_count = 0; in reset_overflow()
25 log->first_overflow_timestamp = 0; in reset_overflow()
26 log->last_overflow_timestamp = 0; in reset_overflow()
31 CXLEventLog *log; in cxl_event_init() local
35 log = &cxlds->event_logs[i]; in cxl_event_init()
36 log->next_handle = 1; in cxl_event_init()
37 log->overflow_err_count = 0; in cxl_event_init()
38 log->first_overflow_timestamp = 0; in cxl_event_init()
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/qemu/tests/qemu-iotests/tests/
H A Dimage-fleecing28 from iotests import log, qemu_img, qemu_io
64 log('--- Setting up images ---')
65 log('')
84 log('Done')
86 log('')
87 log('--- Launching VM ---')
88 log('')
98 log('Done')
100 log('')
101 log('--- Setting up Fleecing Graph ---')
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H A Dinactive-node-nbd57 iotests.log('Preparing disk...')
66 iotests.log('Launching VM...')
83 iotests.log('\n=== Creating export of inactive node ===')
85 iotests.log('\nExports activate nodes without allow-inactive')
86 iotests.log('disk-fmt active: %s' % node_is_active(vm, 'disk-fmt'))
88 iotests.log('disk-fmt active: %s' % node_is_active(vm, 'disk-fmt'))
94 iotests.log('\nExports activate nodes with allow-inactive=false')
96 iotests.log('disk-fmt active: %s' % node_is_active(vm, 'disk-fmt'))
98 iotests.log('disk-fmt active: %s' % node_is_active(vm, 'disk-fmt'))
104 iotests.log('\nExport leaves nodes inactive with allow-inactive=true')
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H A Dcopy-before-write97 log = self.vm.get_log()
98 log = iotests.filter_qtest(log)
99 log = iotests.filter_qemu_io(log)
100 return log
160 log = self.vm.get_log()
161 log = iotests.filter_qemu_io(log)
162 return log
169 log = self.do_cbw_error('break-snapshot')
171 self.assertEqual(log, """\
182 log = self.do_cbw_error('break-guest-write')
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H A Dqsd-migrate38 iotests.log('Preparing disk...')
41 iotests.log('Launching source QSD...')
51 iotests.log('Launching source VM...')
57 iotests.log('Launching destination QSD...')
69 iotests.log('Launching destination VM...')
76 iotests.log('\nTest I/O on the source')
82 iotests.log('\nStarting migration...')
96 iotests.log('\nPre-switchover: Reconfigure QSD instances')
98 iotests.log(qsd_src.qmp('blockdev-set-active', {'active': False}))
107 iotests.log(qsd_dst.qmp('blockdev-set-active', {'active': True}))
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/qemu/tests/qemu-iotests/
H A D21943 iotests.log('=== Testing %s/%s ===' % (pause_cmd, resume_cmd))
45 iotests.log(vm.qmp(pause_cmd, **{pause_arg: 'job0'}))
47 iotests.log(iotests.filter_qmp_event(vm.event_wait('JOB_STATUS_CHANGE')))
49 iotests.log(result)
54 iotests.log(vm.qmp(resume_cmd, **{resume_arg: 'job0'}))
55 iotests.log(iotests.filter_qmp_event(vm.event_wait('JOB_STATUS_CHANGE')))
60 iotests.log(result)
65 iotests.log(vm.qmp('query-jobs'))
70 iotests.log('')
71 iotests.log('')
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H A D21831 from iotests import log, qemu_img, qemu_io
70 log('')
71 log('=== Cancel mirror job before convergence ===')
72 log('')
74 log('--- force=false ---')
75 log('')
81 log('Cancelling job')
82 log(vm.qmp('block-job-cancel', device='mirror', force=False))
84 log(vm.event_wait('BLOCK_JOB_CANCELLED'),
87 log('')
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H A D19440 iotests.log('Launching VMs...')
49 iotests.log('Launching NBD server on destination...')
50 …iotests.log(dest_vm.qmp('nbd-server-start', addr={'type': 'unix', 'data': {'path': nbd_sock_path}}…
51 iotests.log(dest_vm.qmp('nbd-server-add', device='drive0', writable=True))
53 iotests.log('Starting `drive-mirror` on source...')
54 iotests.log(source_vm.qmp(
63 iotests.log('Waiting for `drive-mirror` to complete...')
64 iotests.log(source_vm.event_wait('BLOCK_JOB_READY'),
68 iotests.log('Starting migration...')
73 iotests.log(source_vm.qmp('migrate', uri='unix:{0}'.format(migration_sock_path)))
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H A D21338 iotests.log("=== Successful image creation (defaults) ===")
39 iotests.log("")
61 iotests.log("=== Successful image creation (explicit defaults) ===")
62 iotests.log("")
77 'log-size': 1048576,
88 iotests.log("=== Successful image creation (with non-default options) ===")
89 iotests.log("")
104 'log-size': 8388608,
115 iotests.log("=== Invalid BlockdevRef ===")
116 iotests.log("")
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H A D23739 iotests.log("=== Successful image creation (defaults) ===")
40 iotests.log("")
62 iotests.log("=== Successful image creation (inline blockdev-add, explicit defaults) ===")
63 iotests.log("")
91 iotests.log("=== Successful image creation (with non-default options) ===")
92 iotests.log("")
119 iotests.log("=== Invalid BlockdevRef ===")
120 iotests.log("")
132 iotests.log("=== Adapter types ===")
133 iotests.log("")
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H A D24624 from iotests import log
41 log('--- Preparing image & VM ---\n')
46 log('--- 1st Boot (Establish Baseline Image) ---\n')
49 log('\n--- Adding bitmaps Small, Medium, Large, and Transient ---\n')
59 log('--- Forcing flush of bitmaps to disk ---\n')
60 log(query_bitmaps(vm), indent=2)
64 log('--- 2nd Boot (Grow Image) ---\n')
66 log(query_bitmaps(vm), indent=2)
68 log('--- Adding new bitmap, growing image, and adding 2nd new bitmap ---')
75 log(query_bitmaps(vm), indent=2)
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H A D23443 iotests.log('Launching source VM...')
52 iotests.log('Launching destination VM...')
64 iotests.log(vm_a.qmp('blockdev-snapshot', node='drive0-backing',
66 iotests.log(vm_b.qmp('blockdev-snapshot', node='drive0-backing',
69 iotests.log('Starting migration to B...')
70 iotests.log(vm_a.qmp('migrate', uri='exec:cat >%s' % (fifo_a)))
77 iotests.log(vm_a.qmp('query-migrate')['return']['status'])
78 iotests.log(vm_b.qmp('query-migrate')['return']['status'])
80 iotests.log(vm_a.qmp('query-status'))
81 iotests.log(vm_b.qmp('query-status'))
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H A D23624 from iotests import log
48 log('--- Preparing image & VM ---\n')
53 log('\n--- Adding preliminary bitmaps A & B ---\n')
60 log('\n--- Emulating writes ---\n')
63 log(cmd)
64 log(vm.hmp_qemu_io("drive0", cmd))
66 log(query_bitmaps(vm), indent=2)
68 log('\n--- Submitting & Aborting Transaction ---\n')
79 log(query_bitmaps(vm), indent=2)
81 log('\n--- Disabling B & Adding C ---\n')
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H A D26628 iotests.log("=== Successful image creation (defaults) ===")
29 iotests.log("")
42 iotests.log("=== Successful image creation (explicit defaults) ===")
43 iotests.log("")
58 iotests.log("=== Successful image creation (non-default options) ===")
59 iotests.log("")
73 iotests.log("=== Size not representable in CHS ===")
74 iotests.log("")
87 iotests.log("=== Zero size===")
88 iotests.log("")
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H A D21624 from iotests import log, qemu_img, qemu_io
30 log('')
31 log('=== Copy-on-read across nodes ===')
32 log('')
51 log('--- Setting up images ---')
52 log('')
60 log('Done')
62 log('')
63 log('--- Doing COR ---')
64 log('')
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H A D31024 from iotests import log, qemu_img, qemu_io
30 log('')
31 log('=== Copy-on-read across nodes ===')
32 log('')
43 log('--- Setting up images ---')
44 log('')
62 log('Done')
64 log('')
65 log('--- Doing COR ---')
66 log('')
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H A D21143 iotests.log("=== Successful image creation (defaults) ===")
44 iotests.log("")
62 iotests.log(iotests.qemu_img_map(disk_path))
67 iotests.log("=== Successful image creation (explicit defaults) ===")
68 iotests.log("")
86 iotests.log(iotests.qemu_img_map(disk_path))
91 iotests.log("=== Successful image creation (with non-default options) ===")
92 iotests.log("")
110 iotests.log(iotests.qemu_img_map(disk_path))
115 iotests.log("=== Invalid BlockdevRef ===")
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H A D25727 from iotests import log, qemu_img
132 log("= Checking Bitmap {:s} =".format(name))
137 log("expecting {:d} dirty sectors; have {:d}. {:s}".format(
139 log('')
163 log(vm.cmd('blockdev-create', job_id='bdc-file-job',
170 log(vm.cmd('blockdev-add', driver='file',
173 log(vm.cmd('blockdev-create', job_id='bdc-fmt-job',
180 log(vm.cmd('blockdev-add', driver=fmt,
205 log("--- Reference Backup #{:d} ---\n".format(n))
211 log('')
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H A D25529 iotests.log('Finishing a commit job with background reads')
30 iotests.log('============================================')
31 iotests.log('')
38 iotests.log("=== Create backing chain and start VM ===")
39 iotests.log("")
60 iotests.log("=== Start background read requests ===")
61 iotests.log("")
69 iotests.log("=== Run a commit job ===")
70 iotests.log("")
80 iotests.log('')
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H A D21238 iotests.log("=== Successful image creation (defaults) ===")
39 iotests.log("")
61 iotests.log("=== Successful image creation (explicit defaults) ===")
62 iotests.log("")
85 iotests.log("=== Successful image creation (with non-default options) ===")
86 iotests.log("")
109 iotests.log("=== Invalid BlockdevRef ===")
110 iotests.log("")
121 iotests.log("=== Zero size ===")
122 iotests.log("")
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H A D24226 file_path, img_info_log, log
40 log('qemu-img info dump:\n')
45 log('The same bitmaps in JSON format:')
46 log(bitmaps, indent=2)
48 log('No bitmap in JSON format output')
83 log('Test {}'.format(num))
87 log('')
92 log('Test {}\nChecking "in-use" flag...'.format(num))
97 log('\nTest {}'.format(num))
100 log('Write an unknown bitmap flag \'{}\' into a new QCOW2 image at offset {}'
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H A D20241 iotests.log('Launching VM...')
44 iotests.log('Adding IOThread...')
45 iotests.log(vm.qmp('object-add',
49 iotests.log('Adding blockdevs...')
50 iotests.log(vm.qmp('blockdev-add',
57 iotests.log(vm.qmp('blockdev-add',
65 iotests.log('Setting iothread...')
66 iotests.log(vm.qmp('x-blockdev-set-iothread',
69 iotests.log(vm.qmp('x-blockdev-set-iothread',
73 iotests.log('Creating external snapshots...')
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/qemu/block/
H A Dvhdx-log.c13 * This file covers the functionality of the metadata log writing, parsing, and
34 VHDXLogEntries log; member
45 /* The log located on the disk is circular buffer containing
59 vhdx_log_peek_hdr(BlockDriverState *bs, VHDXLogEntries *log, in vhdx_log_peek_hdr() argument
69 if (log->read % VHDX_LOG_SECTOR_SIZE) { in vhdx_log_peek_hdr()
74 read = log->read; in vhdx_log_peek_hdr()
75 /* we are guaranteed that a) log sectors are 4096 bytes, in vhdx_log_peek_hdr()
76 * and b) the log length is a multiple of 1MB. So, there in vhdx_log_peek_hdr()
78 if ((read + sizeof(VHDXLogEntryHeader)) > log->length) { in vhdx_log_peek_hdr()
82 if (read == log->write) { in vhdx_log_peek_hdr()
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H A Dblklogwrites.c23 /* Disk format stuff - taken from Linux drivers/md/dm-log-writes.c */
61 * The mutable state of the driver, consisting of the current log sector
62 * and the number of log entries.
93 .name = "log-append",
95 .help = "Append to an existing log",
98 .name = "log-sector-size",
100 .help = "Log sector size",
103 .name = "log-super-update-interval",
105 .help = "Log superblock update interval (# of write requests)",
125 static uint64_t blk_log_writes_find_cur_log_sector(BdrvChild *log, in blk_log_writes_find_cur_log_sector() argument
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/qemu/rust/qemu-api/src/
H A Dlog.rs9 /// The `Log` enum provides a Rust abstraction for logging errors, corresponding
11 pub enum Log { enum
12 /// Log invalid access caused by the guest.
16 /// Log guest access of unimplemented functionality.
21 /// A macro to log messages conditionally based on a provided mask.
24 /// log level and, if so, formats and logs the message. It is the Rust
29 /// - `$mask`: A log level mask. This should be a variant of the `Log` enum.
31 /// macro. It specifies the structure of the log message.
37 /// use qemu_api::{log::Log, log_mask_ln};
40 /// log_mask_ln!(Log::GuestError, "Address 0x{error_address:x} out of range");
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