path: root/qapi/trace.json

# -*- mode: python -*-
#
# Copyright (C) 2011-2014 Lluís Vilanova <vilanova@ac.upc.edu>
#
# This work is licensed under the terms of the GNU GPL, version 2 or later.
# See the COPYING file in the top-level directory.


##
# @TraceEventState:
#
# State of a tracing event.
#
# @unavailable: The event is statically disabled.
#
# @disabled: The event is dynamically disabled.
#
# @enabled: The event is dynamically enabled.
#
# Since 2.2
##
{ 'enum': 'TraceEventState',
  'data': ['unavailable', 'disabled', 'enabled'] }

##
# @TraceEventInfo:
#
# Information of a tracing event.
#
# @name: Event name.
# @state: Tracing state.
#
# Since 2.2
##
{ 'struct': 'TraceEventInfo',
  'data': {'name': 'str', 'state': 'TraceEventState'} }

##
# @trace-event-get-state:
#
# Query the state of events.
#
# @name: Event name pattern (case-sensitive glob).
#
# Returns: a list of @TraceEventInfo for the matching events
#
# Since 2.2
##
{ 'command': 'trace-event-get-state',
  'data': {'name': 'str'},
  'returns': ['TraceEventInfo'] }

##
# @trace-event-set-state:
#
# Set the dynamic tracing state of events.
#
# @name: Event name pattern (case-sensitive glob).
# @enable: Whether to enable tracing.
# @ignore-unavailable: #optional Do not match unavailable events with @name.
#
# Since 2.2
##
{ 'command': 'trace-event-set-state',
  'data': {'name': 'str', 'enable': 'bool', '*ignore-unavailable': 'bool'} }