93ab0fc3c3
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
192 lines
4.9 KiB
Plaintext
192 lines
4.9 KiB
Plaintext
QEMU Machine Protocol Events
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============================
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ACPI_DEVICE_OST
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---------------
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Emitted when guest executes ACPI _OST method.
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- data: ACPIOSTInfo type as described in qapi-schema.json
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{ "event": "ACPI_DEVICE_OST",
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"data": { "device": "d1", "slot": "0", "slot-type": "DIMM", "source": 1, "status": 0 } }
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BALLOON_CHANGE
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--------------
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Emitted when the guest changes the actual BALLOON level. This
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value is equivalent to the 'actual' field return by the
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'query-balloon' command
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Data:
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- "actual": actual level of the guest memory balloon in bytes (json-number)
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Example:
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{ "event": "BALLOON_CHANGE",
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"data": { "actual": 944766976 },
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"timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
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Note: this event is rate-limited.
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DUMP_COMPLETED
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--------------
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Emitted when the guest has finished one memory dump.
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Data:
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- "result": DumpQueryResult type described in qapi-schema.json
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- "error": Error message when dump failed. This is only a
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human-readable string provided when dump failed. It should not be
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parsed in any way (json-string, optional)
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Example:
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{ "event": "DUMP_COMPLETED",
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"data": {"result": {"total": 1090650112, "status": "completed",
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"completed": 1090650112} } }
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GUEST_PANICKED
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--------------
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Emitted when guest OS panic is detected.
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Data:
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- "action": Action that has been taken (json-string, currently always "pause").
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Example:
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{ "event": "GUEST_PANICKED",
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"data": { "action": "pause" } }
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MEM_UNPLUG_ERROR
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--------------------
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Emitted when memory hot unplug error occurs.
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Data:
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- "device": device name (json-string)
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- "msg": Informative message (e.g., reason for the error) (json-string)
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Example:
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{ "event": "MEM_UNPLUG_ERROR"
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"data": { "device": "dimm1",
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"msg": "acpi: device unplug for unsupported device"
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},
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"timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
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QUORUM_FAILURE
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--------------
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Emitted by the Quorum block driver if it fails to establish a quorum.
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Data:
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- "reference": device name if defined else node name.
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- "sector-num": Number of the first sector of the failed read operation.
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- "sectors-count": Failed read operation sector count.
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Example:
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{ "event": "QUORUM_FAILURE",
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"data": { "reference": "usr1", "sector-num": 345435, "sectors-count": 5 },
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"timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
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Note: this event is rate-limited.
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QUORUM_REPORT_BAD
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-----------------
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Emitted to report a corruption of a Quorum file.
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Data:
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- "type": Quorum operation type
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- "error": Error message (json-string, optional)
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Only present on failure. This field contains a human-readable
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error message. There are no semantics other than that the
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block layer reported an error and clients should not try to
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interpret the error string.
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- "node-name": The graph node name of the block driver state.
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- "sector-num": Number of the first sector of the failed read operation.
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- "sectors-count": Failed read operation sector count.
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Example:
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Read operation:
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{ "event": "QUORUM_REPORT_BAD",
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"data": { "node-name": "node0", "sector-num": 345435, "sectors-count": 5,
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"type": "read" },
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"timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
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Flush operation:
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{ "event": "QUORUM_REPORT_BAD",
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"data": { "node-name": "node0", "sector-num": 0, "sectors-count": 2097120,
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"type": "flush", "error": "Broken pipe" },
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"timestamp": { "seconds": 1456406829, "microseconds": 291763 } }
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Note: this event is rate-limited.
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SPICE_MIGRATE_COMPLETED
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-----------------------
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Emitted when SPICE migration has completed
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Data: None.
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Example:
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{ "timestamp": {"seconds": 1290688046, "microseconds": 417172},
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"event": "SPICE_MIGRATE_COMPLETED" }
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MIGRATION
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---------
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Emitted when a migration event happens
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Data: None.
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- "status": migration status
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See MigrationStatus in ~/qapi-schema.json for possible values
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Example:
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{"timestamp": {"seconds": 1432121972, "microseconds": 744001},
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"event": "MIGRATION", "data": {"status": "completed"}}
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MIGRATION_PASS
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--------------
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Emitted from the source side of a migration at the start of each pass
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(when it syncs the dirty bitmap)
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Data: None.
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- "pass": An incrementing count (starting at 1 on the first pass)
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Example:
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{"timestamp": {"seconds": 1449669631, "microseconds": 239225},
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"event": "MIGRATION_PASS", "data": {"pass": 2}}
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VSERPORT_CHANGE
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---------------
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Emitted when the guest opens or closes a virtio-serial port.
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Data:
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- "id": device identifier of the virtio-serial port (json-string)
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- "open": true if the guest has opened the virtio-serial port (json-bool)
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Example:
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{ "event": "VSERPORT_CHANGE",
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"data": { "id": "channel0", "open": true },
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"timestamp": { "seconds": 1401385907, "microseconds": 422329 } }
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Note: this event is rate-limited separately for each "id".
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