mirror of
https://github.com/qemu/qemu.git
synced 2024-11-26 12:23:36 +08:00
08fba7ac9b
Libvirt would like to be able to distinguish between a SHUTDOWN
event triggered solely by guest request and one triggered by a
SIGTERM or other action on the host. While qemu_kill_report() was
already able to give different output to stderr based on whether a
shutdown was triggered by a host signal (but NOT by a host UI event,
such as clicking the X on the window), that information was then
lost to management. The previous patches improved things to use an
enum throughout all callsites, so now we have something ready to
expose through QMP.
Note that for now, the decision was to expose ONLY a boolean,
rather than promoting ShutdownCause to a QAPI enum; this is because
libvirt has not expressed an interest in anything finer-grained.
We can still add additional details, in a backwards-compatible
manner, if a need later arises (if the addition happens before 2.10,
we can replace the bool with an enum; otherwise, the enum will have
to be in addition to the bool); this patch merely adds a helper
shutdown_caused_by_guest() to map the internal enum into the
external boolean.
Update expected iotest outputs to match the new data (complete
coverage of the affected tests is obtained by -raw, -qcow2, and -nbd).
Here is output from 'virsh qemu-monitor-event --loop' with the
patch installed:
event SHUTDOWN at 1492639680.731251 for domain fedora_13: {"guest":true}
event STOP at 1492639680.732116 for domain fedora_13: <null>
event SHUTDOWN at 1492639680.732830 for domain fedora_13: {"guest":false}
Note that libvirt runs qemu with -no-shutdown: the first SHUTDOWN event
was triggered by an action I took directly in the guest (shutdown -h),
at which point qemu stops the vcpus and waits for libvirt to do any
final cleanups; the second SHUTDOWN event is the result of libvirt
sending SIGTERM now that it has completed cleanup. Libvirt is already
smart enough to only feed the first qemu SHUTDOWN event to the end user
(remember, virsh qemu-monitor-event is a low-level debugging interface
that is explicitly unsupported by libvirt, so it sees things that normal
end users do not); changing qemu to emit SHUTDOWN only once is outside
the scope of this series.
See also https://bugzilla.redhat.com/1384007
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20170515214114.15442-6-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
647 lines
15 KiB
Python
647 lines
15 KiB
Python
# -*- Mode: Python -*-
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##
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# = Other events
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##
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##
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# @SHUTDOWN:
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#
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# Emitted when the virtual machine has shut down, indicating that qemu is
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# about to exit.
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#
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# @guest: If true, the shutdown was triggered by a guest request (such as
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# a guest-initiated ACPI shutdown request or other hardware-specific action)
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# rather than a host request (such as sending qemu a SIGINT). (since 2.10)
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#
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# Note: If the command-line option "-no-shutdown" has been specified, qemu will
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# not exit, and a STOP event will eventually follow the SHUTDOWN event
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#
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# Since: 0.12.0
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#
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# Example:
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#
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# <- { "event": "SHUTDOWN", "data": { "guest": true },
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# "timestamp": { "seconds": 1267040730, "microseconds": 682951 } }
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#
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##
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{ 'event': 'SHUTDOWN', 'data': { 'guest': 'bool' } }
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##
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# @POWERDOWN:
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#
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# Emitted when the virtual machine is powered down through the power control
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# system, such as via ACPI.
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#
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# Since: 0.12.0
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#
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# Example:
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#
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# <- { "event": "POWERDOWN",
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# "timestamp": { "seconds": 1267040730, "microseconds": 682951 } }
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#
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##
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{ 'event': 'POWERDOWN' }
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##
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# @RESET:
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#
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# Emitted when the virtual machine is reset
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#
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# @guest: If true, the reset was triggered by a guest request (such as
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# a guest-initiated ACPI reboot request or other hardware-specific action)
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# rather than a host request (such as the QMP command system_reset).
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# (since 2.10)
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#
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# Since: 0.12.0
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#
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# Example:
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#
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# <- { "event": "RESET", "data": { "guest": false },
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# "timestamp": { "seconds": 1267041653, "microseconds": 9518 } }
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#
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##
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{ 'event': 'RESET', 'data': { 'guest': 'bool' } }
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##
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# @STOP:
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#
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# Emitted when the virtual machine is stopped
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#
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# Since: 0.12.0
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#
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# Example:
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#
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# <- { "event": "STOP",
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# "timestamp": { "seconds": 1267041730, "microseconds": 281295 } }
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#
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##
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{ 'event': 'STOP' }
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##
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# @RESUME:
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#
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# Emitted when the virtual machine resumes execution
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#
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# Since: 0.12.0
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#
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# Example:
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#
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# <- { "event": "RESUME",
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# "timestamp": { "seconds": 1271770767, "microseconds": 582542 } }
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#
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##
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{ 'event': 'RESUME' }
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##
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# @SUSPEND:
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#
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# Emitted when guest enters a hardware suspension state, for example, S3 state,
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# which is sometimes called standby state
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#
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# Since: 1.1
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#
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# Example:
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#
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# <- { "event": "SUSPEND",
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# "timestamp": { "seconds": 1344456160, "microseconds": 309119 } }
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#
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##
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{ 'event': 'SUSPEND' }
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##
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# @SUSPEND_DISK:
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#
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# Emitted when guest enters a hardware suspension state with data saved on
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# disk, for example, S4 state, which is sometimes called hibernate state
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#
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# Note: QEMU shuts down (similar to event @SHUTDOWN) when entering this state
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#
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# Since: 1.2
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#
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# Example:
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#
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# <- { "event": "SUSPEND_DISK",
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# "timestamp": { "seconds": 1344456160, "microseconds": 309119 } }
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#
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##
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{ 'event': 'SUSPEND_DISK' }
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##
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# @WAKEUP:
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#
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# Emitted when the guest has woken up from suspend state and is running
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#
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# Since: 1.1
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#
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# Example:
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#
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# <- { "event": "WAKEUP",
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# "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
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#
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##
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{ 'event': 'WAKEUP' }
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##
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# @RTC_CHANGE:
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#
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# Emitted when the guest changes the RTC time.
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#
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# @offset: offset between base RTC clock (as specified by -rtc base), and
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# new RTC clock value
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#
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# Note: This event is rate-limited.
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#
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# Since: 0.13.0
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#
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# Example:
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#
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# <- { "event": "RTC_CHANGE",
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# "data": { "offset": 78 },
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# "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
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#
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##
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{ 'event': 'RTC_CHANGE',
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'data': { 'offset': 'int' } }
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##
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# @WATCHDOG:
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#
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# Emitted when the watchdog device's timer is expired
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#
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# @action: action that has been taken
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#
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# Note: If action is "reset", "shutdown", or "pause" the WATCHDOG event is
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# followed respectively by the RESET, SHUTDOWN, or STOP events
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#
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# Note: This event is rate-limited.
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#
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# Since: 0.13.0
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#
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# Example:
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#
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# <- { "event": "WATCHDOG",
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# "data": { "action": "reset" },
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# "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
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#
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##
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{ 'event': 'WATCHDOG',
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'data': { 'action': 'WatchdogExpirationAction' } }
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##
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# @DEVICE_DELETED:
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#
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# Emitted whenever the device removal completion is acknowledged by the guest.
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# At this point, it's safe to reuse the specified device ID. Device removal can
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# be initiated by the guest or by HMP/QMP commands.
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#
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# @device: device name
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#
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# @path: device path
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#
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# Since: 1.5
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#
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# Example:
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#
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# <- { "event": "DEVICE_DELETED",
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# "data": { "device": "virtio-net-pci-0",
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# "path": "/machine/peripheral/virtio-net-pci-0" },
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# "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
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#
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##
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{ 'event': 'DEVICE_DELETED',
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'data': { '*device': 'str', 'path': 'str' } }
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##
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# @NIC_RX_FILTER_CHANGED:
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#
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# Emitted once until the 'query-rx-filter' command is executed, the first event
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# will always be emitted
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#
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# @name: net client name
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#
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# @path: device path
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#
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# Since: 1.6
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#
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# Example:
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#
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# <- { "event": "NIC_RX_FILTER_CHANGED",
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# "data": { "name": "vnet0",
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# "path": "/machine/peripheral/vnet0/virtio-backend" },
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# "timestamp": { "seconds": 1368697518, "microseconds": 326866 } }
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# }
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#
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##
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{ 'event': 'NIC_RX_FILTER_CHANGED',
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'data': { '*name': 'str', 'path': 'str' } }
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##
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# @VNC_CONNECTED:
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#
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# Emitted when a VNC client establishes a connection
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#
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# @server: server information
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#
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# @client: client information
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#
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# Note: This event is emitted before any authentication takes place, thus
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# the authentication ID is not provided
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#
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# Since: 0.13.0
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#
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# Example:
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#
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# <- { "event": "VNC_CONNECTED",
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# "data": {
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# "server": { "auth": "sasl", "family": "ipv4",
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# "service": "5901", "host": "0.0.0.0" },
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# "client": { "family": "ipv4", "service": "58425",
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# "host": "127.0.0.1" } },
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# "timestamp": { "seconds": 1262976601, "microseconds": 975795 } }
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#
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##
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{ 'event': 'VNC_CONNECTED',
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'data': { 'server': 'VncServerInfo',
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'client': 'VncBasicInfo' } }
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##
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# @VNC_INITIALIZED:
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#
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# Emitted after authentication takes place (if any) and the VNC session is
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# made active
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#
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# @server: server information
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#
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# @client: client information
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#
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# Since: 0.13.0
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#
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# Example:
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#
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# <- { "event": "VNC_INITIALIZED",
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# "data": {
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# "server": { "auth": "sasl", "family": "ipv4",
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# "service": "5901", "host": "0.0.0.0"},
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# "client": { "family": "ipv4", "service": "46089",
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# "host": "127.0.0.1", "sasl_username": "luiz" } },
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# "timestamp": { "seconds": 1263475302, "microseconds": 150772 } }
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#
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##
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{ 'event': 'VNC_INITIALIZED',
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'data': { 'server': 'VncServerInfo',
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'client': 'VncClientInfo' } }
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##
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# @VNC_DISCONNECTED:
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#
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# Emitted when the connection is closed
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#
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# @server: server information
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#
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# @client: client information
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#
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# Since: 0.13.0
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#
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# Example:
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#
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# <- { "event": "VNC_DISCONNECTED",
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# "data": {
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# "server": { "auth": "sasl", "family": "ipv4",
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# "service": "5901", "host": "0.0.0.0" },
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# "client": { "family": "ipv4", "service": "58425",
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# "host": "127.0.0.1", "sasl_username": "luiz" } },
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# "timestamp": { "seconds": 1262976601, "microseconds": 975795 } }
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#
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##
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{ 'event': 'VNC_DISCONNECTED',
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'data': { 'server': 'VncServerInfo',
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'client': 'VncClientInfo' } }
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##
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# @SPICE_CONNECTED:
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#
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# Emitted when a SPICE client establishes a connection
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#
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# @server: server information
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#
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# @client: client information
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#
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# Since: 0.14.0
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#
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# Example:
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#
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# <- { "timestamp": {"seconds": 1290688046, "microseconds": 388707},
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# "event": "SPICE_CONNECTED",
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# "data": {
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# "server": { "port": "5920", "family": "ipv4", "host": "127.0.0.1"},
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# "client": {"port": "52873", "family": "ipv4", "host": "127.0.0.1"}
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# }}
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#
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##
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{ 'event': 'SPICE_CONNECTED',
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'data': { 'server': 'SpiceBasicInfo',
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'client': 'SpiceBasicInfo' } }
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##
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# @SPICE_INITIALIZED:
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#
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# Emitted after initial handshake and authentication takes place (if any)
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# and the SPICE channel is up and running
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#
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# @server: server information
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#
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# @client: client information
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#
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# Since: 0.14.0
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#
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# Example:
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#
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# <- { "timestamp": {"seconds": 1290688046, "microseconds": 417172},
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# "event": "SPICE_INITIALIZED",
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# "data": {"server": {"auth": "spice", "port": "5921",
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# "family": "ipv4", "host": "127.0.0.1"},
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# "client": {"port": "49004", "family": "ipv4", "channel-type": 3,
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# "connection-id": 1804289383, "host": "127.0.0.1",
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# "channel-id": 0, "tls": true}
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# }}
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#
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##
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{ 'event': 'SPICE_INITIALIZED',
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'data': { 'server': 'SpiceServerInfo',
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'client': 'SpiceChannel' } }
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##
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# @SPICE_DISCONNECTED:
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#
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# Emitted when the SPICE connection is closed
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#
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# @server: server information
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#
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# @client: client information
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#
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# Since: 0.14.0
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#
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# Example:
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#
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# <- { "timestamp": {"seconds": 1290688046, "microseconds": 388707},
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# "event": "SPICE_DISCONNECTED",
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# "data": {
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# "server": { "port": "5920", "family": "ipv4", "host": "127.0.0.1"},
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# "client": {"port": "52873", "family": "ipv4", "host": "127.0.0.1"}
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# }}
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#
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##
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{ 'event': 'SPICE_DISCONNECTED',
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'data': { 'server': 'SpiceBasicInfo',
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'client': 'SpiceBasicInfo' } }
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##
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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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#
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# Since: 1.3
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#
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# Example:
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#
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# <- { "timestamp": {"seconds": 1290688046, "microseconds": 417172},
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# "event": "SPICE_MIGRATE_COMPLETED" }
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#
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##
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{ 'event': 'SPICE_MIGRATE_COMPLETED' }
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##
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# @MIGRATION:
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#
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# Emitted when a migration event happens
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#
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# @status: @MigrationStatus describing the current migration status.
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#
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# Since: 2.4
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#
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# Example:
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#
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# <- {"timestamp": {"seconds": 1432121972, "microseconds": 744001},
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# "event": "MIGRATION",
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# "data": {"status": "completed"} }
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#
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##
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{ 'event': 'MIGRATION',
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'data': {'status': 'MigrationStatus'}}
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##
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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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#
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# @pass: An incrementing count (starting at 1 on the first pass)
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#
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# Since: 2.6
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#
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# Example:
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#
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# { "timestamp": {"seconds": 1449669631, "microseconds": 239225},
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# "event": "MIGRATION_PASS", "data": {"pass": 2} }
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#
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##
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{ 'event': 'MIGRATION_PASS',
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'data': { 'pass': 'int' } }
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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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#
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# @info: ACPIOSTInfo type as described in qapi-schema.json
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#
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# Since: 2.1
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#
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# Example:
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#
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# <- { "event": "ACPI_DEVICE_OST",
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# "data": { "device": "d1", "slot": "0",
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# "slot-type": "DIMM", "source": 1, "status": 0 } }
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#
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##
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{ 'event': 'ACPI_DEVICE_OST',
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'data': { 'info': 'ACPIOSTInfo' } }
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##
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# @BALLOON_CHANGE:
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#
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# Emitted when the guest changes the actual BALLOON level. This value is
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# equivalent to the @actual field return by the 'query-balloon' command
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#
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# @actual: actual level of the guest memory balloon in bytes
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#
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# Note: this event is rate-limited.
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#
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# Since: 1.2
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#
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# Example:
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#
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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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#
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##
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{ 'event': 'BALLOON_CHANGE',
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'data': { 'actual': 'int' } }
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|
##
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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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|
#
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|
# @action: action that has been taken, currently always "pause"
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|
#
|
|
# @info: information about a panic (since 2.9)
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|
#
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|
# Since: 1.5
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|
#
|
|
# Example:
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|
#
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|
# <- { "event": "GUEST_PANICKED",
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|
# "data": { "action": "pause" } }
|
|
#
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|
##
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|
{ 'event': 'GUEST_PANICKED',
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'data': { 'action': 'GuestPanicAction', '*info': 'GuestPanicInformation' } }
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|
|
|
##
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|
# @QUORUM_FAILURE:
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#
|
|
# Emitted by the Quorum block driver if it fails to establish a quorum
|
|
#
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|
# @reference: device name if defined else node name
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|
#
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|
# @sector-num: number of the first sector of the failed read operation
|
|
#
|
|
# @sectors-count: failed read operation sector count
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|
#
|
|
# Note: This event is rate-limited.
|
|
#
|
|
# Since: 2.0
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|
#
|
|
# Example:
|
|
#
|
|
# <- { "event": "QUORUM_FAILURE",
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|
# "data": { "reference": "usr1", "sector-num": 345435, "sectors-count": 5 },
|
|
# "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
|
|
#
|
|
##
|
|
{ 'event': 'QUORUM_FAILURE',
|
|
'data': { 'reference': 'str', 'sector-num': 'int', 'sectors-count': 'int' } }
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|
|
|
##
|
|
# @QUORUM_REPORT_BAD:
|
|
#
|
|
# Emitted to report a corruption of a Quorum file
|
|
#
|
|
# @type: quorum operation type (Since 2.6)
|
|
#
|
|
# @error: error message. Only present on failure. This field
|
|
# contains a human-readable error message. There are no semantics other
|
|
# than that the block layer reported an error and clients should not
|
|
# try to interpret the error string.
|
|
#
|
|
# @node-name: the graph node name of the block driver state
|
|
#
|
|
# @sector-num: number of the first sector of the failed read operation
|
|
#
|
|
# @sectors-count: failed read operation sector count
|
|
#
|
|
# Note: This event is rate-limited.
|
|
#
|
|
# Since: 2.0
|
|
#
|
|
# Example:
|
|
#
|
|
# 1. Read operation
|
|
#
|
|
# { "event": "QUORUM_REPORT_BAD",
|
|
# "data": { "node-name": "node0", "sector-num": 345435, "sectors-count": 5,
|
|
# "type": "read" },
|
|
# "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
|
|
#
|
|
# 2. Flush operation
|
|
#
|
|
# { "event": "QUORUM_REPORT_BAD",
|
|
# "data": { "node-name": "node0", "sector-num": 0, "sectors-count": 2097120,
|
|
# "type": "flush", "error": "Broken pipe" },
|
|
# "timestamp": { "seconds": 1456406829, "microseconds": 291763 } }
|
|
#
|
|
##
|
|
{ 'event': 'QUORUM_REPORT_BAD',
|
|
'data': { 'type': 'QuorumOpType', '*error': 'str', 'node-name': 'str',
|
|
'sector-num': 'int', 'sectors-count': 'int' } }
|
|
|
|
##
|
|
# @VSERPORT_CHANGE:
|
|
#
|
|
# Emitted when the guest opens or closes a virtio-serial port.
|
|
#
|
|
# @id: device identifier of the virtio-serial port
|
|
#
|
|
# @open: true if the guest has opened the virtio-serial port
|
|
#
|
|
# Since: 2.1
|
|
#
|
|
# Example:
|
|
#
|
|
# <- { "event": "VSERPORT_CHANGE",
|
|
# "data": { "id": "channel0", "open": true },
|
|
# "timestamp": { "seconds": 1401385907, "microseconds": 422329 } }
|
|
#
|
|
##
|
|
{ 'event': 'VSERPORT_CHANGE',
|
|
'data': { 'id': 'str', 'open': 'bool' } }
|
|
|
|
##
|
|
# @MEM_UNPLUG_ERROR:
|
|
#
|
|
# Emitted when memory hot unplug error occurs.
|
|
#
|
|
# @device: device name
|
|
#
|
|
# @msg: Informative message
|
|
#
|
|
# Since: 2.4
|
|
#
|
|
# Example:
|
|
#
|
|
# <- { "event": "MEM_UNPLUG_ERROR"
|
|
# "data": { "device": "dimm1",
|
|
# "msg": "acpi: device unplug for unsupported device"
|
|
# },
|
|
# "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
|
|
#
|
|
##
|
|
{ 'event': 'MEM_UNPLUG_ERROR',
|
|
'data': { 'device': 'str', 'msg': 'str' } }
|
|
|
|
##
|
|
# @DUMP_COMPLETED:
|
|
#
|
|
# Emitted when background dump has completed
|
|
#
|
|
# @result: DumpQueryResult type described in qapi-schema.json.
|
|
#
|
|
# @error: human-readable error string that provides
|
|
# hint on why dump failed. Only presents on failure. The
|
|
# user should not try to interpret the error string.
|
|
#
|
|
# Since: 2.6
|
|
#
|
|
# Example:
|
|
#
|
|
# { "event": "DUMP_COMPLETED",
|
|
# "data": {"result": {"total": 1090650112, "status": "completed",
|
|
# "completed": 1090650112} } }
|
|
#
|
|
##
|
|
{ 'event': 'DUMP_COMPLETED' ,
|
|
'data': { 'result': 'DumpQueryResult', '*error': 'str' } }
|