3 # Copyright (C) 2011-2016 LluĂs Vilanova <vilanova@ac.upc.edu>
5 # This work is licensed under the terms of the GNU GPL, version 2 or later.
6 # See the COPYING file in the top-level directory.
12 # State of a tracing event.
14 # @unavailable: The event is statically disabled.
16 # @disabled: The event is dynamically disabled.
18 # @enabled: The event is dynamically enabled.
22 { 'enum': 'TraceEventState',
23 'data': ['unavailable', 'disabled', 'enabled'] }
28 # Information of a tracing event.
31 # @state: Tracing state.
32 # @vcpu: Whether this is a per-vCPU event (since 2.7).
34 # An event is per-vCPU if it has the "vcpu" property in the "trace-events"
39 { 'struct': 'TraceEventInfo',
40 'data': {'name': 'str', 'state': 'TraceEventState', 'vcpu': 'bool'} }
43 # @trace-event-get-state:
45 # Query the state of events.
47 # @name: Event name pattern (case-sensitive glob).
48 # @vcpu: #optional The vCPU to query (any by default; since 2.7).
50 # Returns: a list of @TraceEventInfo for the matching events
52 # An event is returned if:
53 # - its name matches the @name pattern, and
54 # - if @vcpu is given, the event has the "vcpu" property.
56 # Therefore, if @vcpu is given, the operation will only match per-vCPU events,
57 # returning their state on the specified vCPU. Special case: if @name is an
58 # exact match, @vcpu is given and the event does not have the "vcpu" property,
59 # an error is returned.
63 { 'command': 'trace-event-get-state',
64 'data': {'name': 'str', '*vcpu': 'int'},
65 'returns': ['TraceEventInfo'] }
68 # @trace-event-set-state:
70 # Set the dynamic tracing state of events.
72 # @name: Event name pattern (case-sensitive glob).
73 # @enable: Whether to enable tracing.
74 # @ignore-unavailable: #optional Do not match unavailable events with @name.
75 # @vcpu: #optional The vCPU to act upon (all by default; since 2.7).
77 # An event's state is modified if:
78 # - its name matches the @name pattern, and
79 # - if @vcpu is given, the event has the "vcpu" property.
81 # Therefore, if @vcpu is given, the operation will only match per-vCPU events,
82 # setting their state on the specified vCPU. Special case: if @name is an exact
83 # match, @vcpu is given and the event does not have the "vcpu" property, an
88 { 'command': 'trace-event-set-state',
89 'data': {'name': 'str', 'enable': 'bool', '*ignore-unavailable': 'bool',