Add listener callback to keep track of tracing state in SCC (6ee484df) · Commits · e / os / android_frameworks_native-old

libs/gui/Android.bp

+9 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,12 @@ cc_library_headers {
		min_sdk_version: "29",
		}

		filegroup {
		name: "libgui_aidl",
		srcs: ["aidl/*/.aidl"],
		path: "aidl/",
		}

		cc_library_shared {
		name: "libgui",
		vendor_available: false,
		@@ -42,6 +48,7 @@ cc_library_shared {

		srcs: [
		":framework_native_aidl",
		":libgui_aidl",
		":libgui_bufferqueue_sources",

		"BitTube.cpp",
		@@ -74,6 +81,7 @@ cc_library_shared {
		"SurfaceControl.cpp",
		"SurfaceComposerClient.cpp",
		"SyncFeatures.cpp",
		"TransactionTracing.cpp",
		"view/Surface.cpp",
		"bufferqueue/1.0/B2HProducerListener.cpp",
		"bufferqueue/1.0/H2BGraphicBufferProducer.cpp",
		@@ -145,6 +153,7 @@ cc_library_static {
		defaults: ["libgui_bufferqueue-defaults"],

		srcs: [
		":libgui_aidl",
		":libgui_bufferqueue_sources",
		],
		}

libs/gui/ISurfaceComposer.cpp

+18 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,8 @@
		#include <stdint.h>
		#include <sys/types.h>

		#include <android/gui/ITransactionTraceListener.h>

		#include <binder/Parcel.h>
		#include <binder/IPCThreadState.h>
		#include <binder/IServiceManager.h>
		@@ -1197,6 +1199,15 @@ public:

		return reply.readInt32();
		}

		virtual status_t addTransactionTraceListener(
		const sp<gui::ITransactionTraceListener>& listener) {
		Parcel data, reply;
		SAFE_PARCEL(data.writeInterfaceToken, ISurfaceComposer::getInterfaceDescriptor());
		SAFE_PARCEL(data.writeStrongBinder, IInterface::asBinder(listener));

		return remote()->transact(BnSurfaceComposer::ADD_TRANSACTION_TRACE_LISTENER, data, &reply);
		}
		};

		// Out-of-line virtual method definition to trigger vtable emission in this
		@@ -2026,6 +2037,13 @@ status_t BnSurfaceComposer::onTransact(
		reply->writeInt32(result);
		return NO_ERROR;
		}
		case ADD_TRANSACTION_TRACE_LISTENER: {
		CHECK_INTERFACE(ISurfaceComposer, data, reply);
		sp<gui::ITransactionTraceListener> listener;
		SAFE_PARCEL(data.readStrongBinder, &listener);

		return addTransactionTraceListener(listener);
		}
		default: {
		return BBinder::onTransact(code, data, reply, flags);
		}

libs/gui/TransactionTracing.cpp

0 → 100644

+53 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2020 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#include "gui/TransactionTracing.h"
		#include "gui/ISurfaceComposer.h"

		#include <private/gui/ComposerService.h>

		namespace android {

		sp<TransactionTraceListener> TransactionTraceListener::sInstance = nullptr;
		std::mutex TransactionTraceListener::sMutex;

		TransactionTraceListener::TransactionTraceListener() {}

		sp<TransactionTraceListener> TransactionTraceListener::getInstance() {
		const std::lock_guard<std::mutex> lock(sMutex);

		if (sInstance == nullptr) {
		sInstance = new TransactionTraceListener;

		sp<ISurfaceComposer> sf(ComposerService::getComposerService());
		sf->addTransactionTraceListener(sInstance);
		}

		return sInstance;
		}

		binder::Status TransactionTraceListener::onToggled(bool enabled) {
		ALOGD("TransactionTraceListener: onToggled listener called");
		mTracingEnabled = enabled;

		return binder::Status::ok();
		}

		bool TransactionTraceListener::isTracingEnabled() {
		return mTracingEnabled;
		}

		} // namespace android
		No newline at end of file

libs/gui/aidl/android/gui/ITransactionTraceListener.aidl

0 → 100644

+6 −0

Original line number	Diff line number	Diff line
		package android.gui;

		/** @hide */
		interface ITransactionTraceListener {
		void onToggled(boolean enabled);
		}
		No newline at end of file

libs/gui/include/gui/ISurfaceComposer.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@
		#include <binder/IBinder.h>
		#include <binder/IInterface.h>

		#include <android/gui/ITransactionTraceListener.h>
		#include <gui/IScreenCaptureListener.h>
		#include <gui/ITransactionCompletedListener.h>

		@@ -486,6 +487,12 @@ public:
		*/
		virtual status_t setFrameTimelineVsync(const sp<IGraphicBufferProducer>& surface,
		int64_t frameTimelineVsyncId) = 0;

		/*
		* Adds a TransactionTraceListener to listen for transaction tracing state updates.
		*/
		virtual status_t addTransactionTraceListener(
		const sp<gui::ITransactionTraceListener>& listener) = 0;
		};

		// ----------------------------------------------------------------------------
		@@ -546,6 +553,7 @@ public:
		SET_FRAME_RATE,
		ACQUIRE_FRAME_RATE_FLEXIBILITY_TOKEN,
		SET_FRAME_TIMELINE_VSYNC,
		ADD_TRANSACTION_TRACE_LISTENER,
		// Always append new enum to the end.
		};