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charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::435; envelope-from=alex.bennee@linaro.org; helo=mail-wr1-x435.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1684935677965100003 I don't think I can remove the parameters directly but certainly mark them as deprecated. Reviewed-by: Stefan Hajnoczi Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Alex Benn=C3=A9e Message-Id: <20230523125000.3674739-6-alex.bennee@linaro.org> --- v5 - reword match description - fix reference to return for set operation --- docs/about/deprecated.rst | 9 +++++++++ qapi/trace.json | 40 +++++++++++++++++---------------------- 2 files changed, 26 insertions(+), 23 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index e934e0a13a..e44cde057f 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -254,6 +254,15 @@ it. Since all recent x86 hardware from the past >10 ye= ars is capable of the QEMU API (QAPI) events ---------------------- =20 +``vcpu`` trace events (since 8.1) +''''''''''''''''''''''''''''''''' + +The ability to instrument QEMU helper functions with vcpu aware trace +points was removed in 7.0. However the QAPI still exposed the vcpu +parameter. This argument has now been deprecated and the remaining +used trace points converted to plain trace points selected just by +name. + ``MEM_UNPLUG_ERROR`` (since 6.2) '''''''''''''''''''''''''''''''''''''''''''''''''''''''' =20 diff --git a/qapi/trace.json b/qapi/trace.json index 6bf0af0946..e561f3d3da 100644 --- a/qapi/trace.json +++ b/qapi/trace.json @@ -37,13 +37,14 @@ # # @vcpu: Whether this is a per-vCPU event (since 2.7). # -# An event is per-vCPU if it has the "vcpu" property in the -# "trace-events" files. +# Features: +# @deprecated: Member @vcpu is deprecated, and always false. # # Since: 2.2 ## { 'struct': 'TraceEventInfo', - 'data': {'name': 'str', 'state': 'TraceEventState', 'vcpu': 'bool'} } + 'data': {'name': 'str', 'state': 'TraceEventState', + 'vcpu': { 'type': 'bool', 'features': ['deprecated'] } } } =20 ## # @trace-event-get-state: @@ -52,19 +53,15 @@ # # @name: Event name pattern (case-sensitive glob). # -# @vcpu: The vCPU to query (any by default; since 2.7). +# @vcpu: The vCPU to query (since 2.7). # -# Returns: a list of @TraceEventInfo for the matching events -# -# An event is returned if: +# Features: +# @deprecated: Member @vcpu is deprecated, and always false. # -# - its name matches the @name pattern, and -# - if @vcpu is given, the event has the "vcpu" property. +# Returns: a list of @TraceEventInfo for the matching events # -# Therefore, if @vcpu is given, the operation will only match per-vCPU -# events, returning their state on the specified vCPU. Special case: -# if @name is an exact match, @vcpu is given and the event does not -# have the "vcpu" property, an error is returned. +# An event is returned if its name matches the @name pattern +# (There are no longer any per-vCPU events). # # Since: 2.2 # @@ -75,7 +72,8 @@ # <- { "return": [ { "name": "qemu_memalign", "state": "disabled", "vcpu":= false } ] } ## { 'command': 'trace-event-get-state', - 'data': {'name': 'str', '*vcpu': 'int'}, + 'data': {'name': 'str', + '*vcpu': {'type': 'int', 'features': ['deprecated'] } }, 'returns': ['TraceEventInfo'] } =20 ## @@ -91,15 +89,11 @@ # # @vcpu: The vCPU to act upon (all by default; since 2.7). # -# An event's state is modified if: -# -# - its name matches the @name pattern, and -# - if @vcpu is given, the event has the "vcpu" property. +# Features: +# @deprecated: Member @vcpu is deprecated, and always false. # -# Therefore, if @vcpu is given, the operation will only match per-vCPU -# events, setting their state on the specified vCPU. Special case: if -# @name is an exact match, @vcpu is given and the event does not have -# the "vcpu" property, an error is returned. +# An event is enabled if its name matches the @name pattern +# (There are no longer any per-vCPU events). # # Since: 2.2 # @@ -111,4 +105,4 @@ ## { 'command': 'trace-event-set-state', 'data': {'name': 'str', 'enable': 'bool', '*ignore-unavailable': 'bool', - '*vcpu': 'int'} } + '*vcpu': {'type': 'int', 'features': ['deprecated'] } } } --=20 2.39.2