1# -*- mode: python -*- 2# vim: filetype=python 3# 4# Copyright (C) 2011-2016 Lluís Vilanova <vilanova@ac.upc.edu> 5# 6# This work is licensed under the terms of the GNU GPL, version 2 or later. 7# See the COPYING file in the top-level directory. 8 9## 10# = Tracing 11## 12 13## 14# @TraceEventState: 15# 16# State of a tracing event. 17# 18# @unavailable: The event is statically disabled. 19# 20# @disabled: The event is dynamically disabled. 21# 22# @enabled: The event is dynamically enabled. 23# 24# Since: 2.2 25## 26{ 'enum': 'TraceEventState', 27 'data': ['unavailable', 'disabled', 'enabled'] } 28 29## 30# @TraceEventInfo: 31# 32# Information of a tracing event. 33# 34# @name: Event name. 35# 36# @state: Tracing state. 37# 38# @vcpu: Whether this is a per-vCPU event (since 2.7). 39# 40# Features: 41# @deprecated: Member @vcpu is deprecated, and always ignored. 42# 43# Since: 2.2 44## 45{ 'struct': 'TraceEventInfo', 46 'data': {'name': 'str', 'state': 'TraceEventState', 47 'vcpu': { 'type': 'bool', 'features': ['deprecated'] } } } 48 49## 50# @trace-event-get-state: 51# 52# Query the state of events. 53# 54# @name: Event name pattern (case-sensitive glob). 55# 56# @vcpu: The vCPU to query (since 2.7). 57# 58# Features: 59# @deprecated: Member @vcpu is deprecated, and always ignored. 60# 61# Returns: a list of @TraceEventInfo for the matching events 62# 63# Since: 2.2 64# 65# Example: 66# 67# -> { "execute": "trace-event-get-state", 68# "arguments": { "name": "qemu_memalign" } } 69# <- { "return": [ { "name": "qemu_memalign", "state": "disabled", "vcpu": false } ] } 70## 71{ 'command': 'trace-event-get-state', 72 'data': {'name': 'str', 73 '*vcpu': {'type': 'int', 'features': ['deprecated'] } }, 74 'returns': ['TraceEventInfo'] } 75 76## 77# @trace-event-set-state: 78# 79# Set the dynamic tracing state of events. 80# 81# @name: Event name pattern (case-sensitive glob). 82# 83# @enable: Whether to enable tracing. 84# 85# @ignore-unavailable: Do not match unavailable events with @name. 86# 87# @vcpu: The vCPU to act upon (all by default; since 2.7). 88# 89# Features: 90# 91# @deprecated: Member @vcpu is deprecated, and always ignored. 92# 93# Since: 2.2 94# 95# Example: 96# 97# -> { "execute": "trace-event-set-state", 98# "arguments": { "name": "qemu_memalign", "enable": true } } 99# <- { "return": {} } 100## 101{ 'command': 'trace-event-set-state', 102 'data': {'name': 'str', 'enable': 'bool', '*ignore-unavailable': 'bool', 103 '*vcpu': {'type': 'int', 'features': ['deprecated'] } } } 104