Add unit test on sending power hints in SurfaceFlinger (839fe5b4) · Commits · e / os / platform_frameworks_native

services/surfaceflinger/SurfaceFlinger.cpp

+16 −14

Original line number	Original line	Diff line number	Diff line
	@@ -95,6 +95,7 @@
	#include <cmath>		#include <cmath>
	#include <cstdint>		#include <cstdint>
	#include <functional>		#include <functional>
			#include <memory>
	#include <mutex>		#include <mutex>
	#include <optional>		#include <optional>
	#include <type_traits>		#include <type_traits>
	@@ -113,6 +114,7 @@
	#include "DisplayHardware/FramebufferSurface.h"		#include "DisplayHardware/FramebufferSurface.h"
	#include "DisplayHardware/HWComposer.h"		#include "DisplayHardware/HWComposer.h"
	#include "DisplayHardware/Hal.h"		#include "DisplayHardware/Hal.h"
			#include "DisplayHardware/PowerAdvisor.h"
	#include "DisplayHardware/VirtualDisplaySurface.h"		#include "DisplayHardware/VirtualDisplaySurface.h"
	#include "DisplayRenderArea.h"		#include "DisplayRenderArea.h"
	#include "EffectLayer.h"		#include "EffectLayer.h"
	@@ -327,7 +329,7 @@ SurfaceFlinger::SurfaceFlinger(Factory& factory, SkipInitializationTag)
	mTunnelModeEnabledReporter(new TunnelModeEnabledReporter()),		mTunnelModeEnabledReporter(new TunnelModeEnabledReporter()),
	mInternalDisplayDensity(getDensityFromProperty("ro.sf.lcd_density", true)),		mInternalDisplayDensity(getDensityFromProperty("ro.sf.lcd_density", true)),
	mEmulatedDisplayDensity(getDensityFromProperty("qemu.sf.lcd_density", false)),		mEmulatedDisplayDensity(getDensityFromProperty("qemu.sf.lcd_density", false)),
	mPowerAdvisor(*this),		mPowerAdvisor(std::make_unique<Hwc2::impl::PowerAdvisor>(*this)),
	mWindowInfosListenerInvoker(sp<WindowInfosListenerInvoker>::make(*this)) {		mWindowInfosListenerInvoker(sp<WindowInfosListenerInvoker>::make(*this)) {
	ALOGI("Using HWComposer service: %s", mHwcServiceName.c_str());		ALOGI("Using HWComposer service: %s", mHwcServiceName.c_str());
	}		}
	@@ -677,16 +679,16 @@ void SurfaceFlinger::bootFinished() {
	}		}

	readPersistentProperties();		readPersistentProperties();
	mPowerAdvisor.onBootFinished();		mPowerAdvisor->onBootFinished();
	mPowerAdvisor.enablePowerHint(mFlagManager.use_adpf_cpu_hint());		mPowerAdvisor->enablePowerHint(mFlagManager.use_adpf_cpu_hint());
	if (mPowerAdvisor.usePowerHintSession()) {		if (mPowerAdvisor->usePowerHintSession()) {
	std::optional<pid_t> renderEngineTid = getRenderEngine().getRenderEngineTid();		std::optional<pid_t> renderEngineTid = getRenderEngine().getRenderEngineTid();
	std::vector<int32_t> tidList;		std::vector<int32_t> tidList;
	tidList.emplace_back(gettid());		tidList.emplace_back(gettid());
	if (renderEngineTid.has_value()) {		if (renderEngineTid.has_value()) {
	tidList.emplace_back(*renderEngineTid);		tidList.emplace_back(*renderEngineTid);
	}		}
	if (!mPowerAdvisor.startPowerHintSession(tidList)) {		if (!mPowerAdvisor->startPowerHintSession(tidList)) {
	ALOGW("Cannot start power hint session");		ALOGW("Cannot start power hint session");
	}		}
	}		}
	@@ -812,7 +814,7 @@ void SurfaceFlinger::init() {
	// set initial conditions (e.g. unblank default device)		// set initial conditions (e.g. unblank default device)
	initializeDisplays();		initializeDisplays();

	mPowerAdvisor.init();		mPowerAdvisor->init();

	char primeShaderCache[PROPERTY_VALUE_MAX];		char primeShaderCache[PROPERTY_VALUE_MAX];
	property_get("service.sf.prime_shader_cache", primeShaderCache, "1");		property_get("service.sf.prime_shader_cache", primeShaderCache, "1");
	@@ -1284,10 +1286,10 @@ void SurfaceFlinger::disableExpensiveRendering() {
	const char* const whence = __func__;		const char* const whence = __func__;
	auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(mStateLock) {		auto future = mScheduler->schedule([=]() FTL_FAKE_GUARD(mStateLock) {
	ATRACE_NAME(whence);		ATRACE_NAME(whence);
	if (mPowerAdvisor.isUsingExpensiveRendering()) {		if (mPowerAdvisor->isUsingExpensiveRendering()) {
	for (const auto& [_, display] : mDisplays) {		for (const auto& [_, display] : mDisplays) {
	constexpr bool kDisable = false;		constexpr bool kDisable = false;
	mPowerAdvisor.setExpensiveRenderingExpected(display->getId(), kDisable);		mPowerAdvisor->setExpensiveRenderingExpected(display->getId(), kDisable);
	}		}
	}		}
	});		});
	@@ -1809,7 +1811,7 @@ void SurfaceFlinger::scheduleCommit(FrameHint hint) {
	if (hint == FrameHint::kActive) {		if (hint == FrameHint::kActive) {
	mScheduler->resetIdleTimer();		mScheduler->resetIdleTimer();
	}		}
	mPowerAdvisor.notifyDisplayUpdateImminent();		mPowerAdvisor->notifyDisplayUpdateImminent();
	mScheduler->scheduleFrame();		mScheduler->scheduleFrame();
	}		}

	@@ -1979,7 +1981,7 @@ nsecs_t SurfaceFlinger::calculateExpectedPresentTime(DisplayStatInfo stats) cons
	bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expectedVsyncTime)		bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expectedVsyncTime)
	FTL_FAKE_GUARD(kMainThreadContext) {		FTL_FAKE_GUARD(kMainThreadContext) {
	// we set this once at the beginning of commit to ensure consistency throughout the whole frame		// we set this once at the beginning of commit to ensure consistency throughout the whole frame
	mPowerHintSessionData.sessionEnabled = mPowerAdvisor.usePowerHintSession();		mPowerHintSessionData.sessionEnabled = mPowerAdvisor->usePowerHintSession();
	if (mPowerHintSessionData.sessionEnabled) {		if (mPowerHintSessionData.sessionEnabled) {
	mPowerHintSessionData.commitStart = systemTime();		mPowerHintSessionData.commitStart = systemTime();
	}		}
	@@ -1998,7 +2000,7 @@ bool SurfaceFlinger::commit(nsecs_t frameTime, int64_t vsyncId, nsecs_t expected
	mScheduledPresentTime = expectedVsyncTime;		mScheduledPresentTime = expectedVsyncTime;

	if (mPowerHintSessionData.sessionEnabled) {		if (mPowerHintSessionData.sessionEnabled) {
	mPowerAdvisor.setTargetWorkDuration(mExpectedPresentTime -		mPowerAdvisor->setTargetWorkDuration(mExpectedPresentTime -
	mPowerHintSessionData.commitStart);		mPowerHintSessionData.commitStart);
	}		}
	const auto vsyncIn = [&] {		const auto vsyncIn = [&] {
	@@ -2263,7 +2265,7 @@ void SurfaceFlinger::composite(nsecs_t frameTime, int64_t vsyncId)
	if (mPowerHintSessionData.sessionEnabled) {		if (mPowerHintSessionData.sessionEnabled) {
	const nsecs_t flingerDuration =		const nsecs_t flingerDuration =
	(mPowerHintSessionData.presentEnd - mPowerHintSessionData.commitStart);		(mPowerHintSessionData.presentEnd - mPowerHintSessionData.commitStart);
	mPowerAdvisor.sendActualWorkDuration(flingerDuration, mPowerHintSessionData.presentEnd);		mPowerAdvisor->sendActualWorkDuration(flingerDuration, mPowerHintSessionData.presentEnd);
	}		}
	}		}

	@@ -2918,7 +2920,7 @@ void SurfaceFlinger::processDisplayAdded(const wp<IBinder>& displayToken,

	builder.setPixels(resolution);		builder.setPixels(resolution);
	builder.setIsSecure(state.isSecure);		builder.setIsSecure(state.isSecure);
	builder.setPowerAdvisor(&mPowerAdvisor);		builder.setPowerAdvisor(mPowerAdvisor.get());
	builder.setName(state.displayName);		builder.setName(state.displayName);
	auto compositionDisplay = getCompositionEngine().createDisplay(builder.build());		auto compositionDisplay = getCompositionEngine().createDisplay(builder.build());
	compositionDisplay->setLayerCachingEnabled(mLayerCachingEnabled);		compositionDisplay->setLayerCachingEnabled(mLayerCachingEnabled);

services/surfaceflinger/SurfaceFlinger.h

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -1383,7 +1383,7 @@ private:
	sp<os::IInputFlinger> mInputFlinger;		sp<os::IInputFlinger> mInputFlinger;
	InputWindowCommands mInputWindowCommands;		InputWindowCommands mInputWindowCommands;

	Hwc2::impl::PowerAdvisor mPowerAdvisor;		std::unique_ptr<Hwc2::PowerAdvisor> mPowerAdvisor;

	void enableRefreshRateOverlay(bool enable) REQUIRES(mStateLock);		void enableRefreshRateOverlay(bool enable) REQUIRES(mStateLock);

services/surfaceflinger/tests/unittests/Android.bp

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -103,6 +103,7 @@ cc_test {
	"SurfaceFlinger_HotplugTest.cpp",		"SurfaceFlinger_HotplugTest.cpp",
	"SurfaceFlinger_NotifyPowerBoostTest.cpp",		"SurfaceFlinger_NotifyPowerBoostTest.cpp",
	"SurfaceFlinger_OnInitializeDisplaysTest.cpp",		"SurfaceFlinger_OnInitializeDisplaysTest.cpp",
			"SurfaceFlinger_PowerHintTest.cpp",
	"SurfaceFlinger_SetDisplayStateTest.cpp",		"SurfaceFlinger_SetDisplayStateTest.cpp",
	"SurfaceFlinger_SetPowerModeInternalTest.cpp",		"SurfaceFlinger_SetPowerModeInternalTest.cpp",
	"SurfaceFlinger_SetupNewDisplayDeviceInternalTest.cpp",		"SurfaceFlinger_SetupNewDisplayDeviceInternalTest.cpp",

services/surfaceflinger/tests/unittests/CompositionTest.cpp

+4 −3

Original line number	Original line	Diff line number	Diff line
	@@ -113,8 +113,9 @@ public:
	mFlinger.setupTimeStats(std::shared_ptr<TimeStats>(mTimeStats));		mFlinger.setupTimeStats(std::shared_ptr<TimeStats>(mTimeStats));

	mComposer = new Hwc2::mock::Composer();		mComposer = new Hwc2::mock::Composer();
			mPowerAdvisor = new Hwc2::mock::PowerAdvisor();
	mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));		mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));
			mFlinger.setupPowerAdvisor(std::unique_ptr<Hwc2::PowerAdvisor>(mPowerAdvisor));
	mFlinger.mutableMaxRenderTargetSize() = 16384;		mFlinger.mutableMaxRenderTargetSize() = 16384;
	}		}

	@@ -188,7 +189,7 @@ public:
	Hwc2::mock::Composer* mComposer = nullptr;		Hwc2::mock::Composer* mComposer = nullptr;
	renderengine::mock::RenderEngine* mRenderEngine = new renderengine::mock::RenderEngine();		renderengine::mock::RenderEngine* mRenderEngine = new renderengine::mock::RenderEngine();
	mock::TimeStats* mTimeStats = new mock::TimeStats();		mock::TimeStats* mTimeStats = new mock::TimeStats();
	Hwc2::mock::PowerAdvisor mPowerAdvisor;		Hwc2::mock::PowerAdvisor* mPowerAdvisor = nullptr;

	sp<Fence> mClientTargetAcquireFence = Fence::NO_FENCE;		sp<Fence> mClientTargetAcquireFence = Fence::NO_FENCE;

	@@ -300,7 +301,7 @@ struct BaseDisplayVariant {
	.setId(DEFAULT_DISPLAY_ID)		.setId(DEFAULT_DISPLAY_ID)
	.setPixels({DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT})		.setPixels({DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT})
	.setIsSecure(Derived::IS_SECURE)		.setIsSecure(Derived::IS_SECURE)
	.setPowerAdvisor(&test->mPowerAdvisor)		.setPowerAdvisor(test->mPowerAdvisor)
	.setName(std::string("Injected display for ") +		.setName(std::string("Injected display for ") +
	test_info->test_case_name() + "." + test_info->name())		test_info->test_case_name() + "." + test_info->name())
	.build();		.build();

services/surfaceflinger/tests/unittests/SurfaceFlinger_PowerHintTest.cpp

0 → 100644

+155 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* Copyright 2022 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.
			*/

			#undef LOG_TAG
			#define LOG_TAG "SurfaceFlingerPowerHintTest"

			#include <compositionengine/Display.h>
			#include <compositionengine/mock/DisplaySurface.h>
			#include <gmock/gmock.h>
			#include <gtest/gtest.h>
			#include <renderengine/mock/RenderEngine.h>
			#include <algorithm>
			#include <chrono>
			#include <memory>
			#include "TestableSurfaceFlinger.h"
			#include "mock/DisplayHardware/MockComposer.h"
			#include "mock/DisplayHardware/MockPowerAdvisor.h"
			#include "mock/MockEventThread.h"
			#include "mock/MockTimeStats.h"
			#include "mock/MockVsyncController.h"
			#include "mock/system/window/MockNativeWindow.h"

			using namespace android;
			using namespace android::Hwc2::mock;
			using namespace android::hardware::power;
			using namespace std::chrono_literals;
			using namespace testing;

			namespace android {
			namespace {
			using FakeHwcDisplayInjector = TestableSurfaceFlinger::FakeHwcDisplayInjector;
			using FakeDisplayDeviceInjector = TestableSurfaceFlinger::FakeDisplayDeviceInjector;

			constexpr hal::HWDisplayId HWC_DISPLAY = FakeHwcDisplayInjector::DEFAULT_HWC_DISPLAY_ID;
			constexpr PhysicalDisplayId DEFAULT_DISPLAY_ID = PhysicalDisplayId::fromPort(42u);
			constexpr int DEFAULT_DISPLAY_WIDTH = 1920;
			constexpr int DEFAULT_DISPLAY_HEIGHT = 1024;

			class SurfaceFlingerPowerHintTest : public Test {
			public:
			void SetUp() override;

			void setupScheduler();

			protected:
			TestableSurfaceFlinger mFlinger;
			renderengine::mock::RenderEngine* mRenderEngine = new renderengine::mock::RenderEngine();
			sp<DisplayDevice> mDisplay;
			sp<compositionengine::mock::DisplaySurface> mDisplaySurface =
			new compositionengine::mock::DisplaySurface();
			mock::NativeWindow* mNativeWindow = new mock::NativeWindow();
			mock::TimeStats* mTimeStats = new mock::TimeStats();
			Hwc2::mock::PowerAdvisor* mPowerAdvisor = nullptr;
			Hwc2::mock::Composer* mComposer = nullptr;
			};

			void SurfaceFlingerPowerHintTest::SetUp() {
			setupScheduler();
			mComposer = new Hwc2::mock::Composer();
			mPowerAdvisor = new Hwc2::mock::PowerAdvisor();
			mFlinger.setupRenderEngine(std::unique_ptr<renderengine::RenderEngine>(mRenderEngine));
			mFlinger.setupTimeStats(std::shared_ptr<TimeStats>(mTimeStats));
			mFlinger.setupComposer(std::unique_ptr<Hwc2::Composer>(mComposer));
			mFlinger.setupPowerAdvisor(std::unique_ptr<Hwc2::PowerAdvisor>(mPowerAdvisor));
			static constexpr bool kIsPrimary = true;
			FakeHwcDisplayInjector(DEFAULT_DISPLAY_ID, hal::DisplayType::PHYSICAL, kIsPrimary)
			.setPowerMode(hal::PowerMode::ON)
			.inject(&mFlinger, mComposer);
			auto compostionEngineDisplayArgs =
			compositionengine::DisplayCreationArgsBuilder()
			.setId(DEFAULT_DISPLAY_ID)
			.setPixels({DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT})
			.setPowerAdvisor(mPowerAdvisor)
			.setName("injected display")
			.build();
			auto compositionDisplay =
			compositionengine::impl::createDisplay(mFlinger.getCompositionEngine(),
			std::move(compostionEngineDisplayArgs));
			mDisplay =
			FakeDisplayDeviceInjector(mFlinger, compositionDisplay,
			ui::DisplayConnectionType::Internal, HWC_DISPLAY, kIsPrimary)
			.setDisplaySurface(mDisplaySurface)
			.setNativeWindow(mNativeWindow)
			.setPowerMode(hal::PowerMode::ON)
			.inject();
			}

			void SurfaceFlingerPowerHintTest::setupScheduler() {
			auto eventThread = std::make_unique<mock::EventThread>();
			auto sfEventThread = std::make_unique<mock::EventThread>();

			EXPECT_CALL(*eventThread, registerDisplayEventConnection(_));
			EXPECT_CALL(*eventThread, createEventConnection(_, _))
			.WillOnce(Return(new EventThreadConnection(eventThread.get(), /callingUid=/0,
			ResyncCallback())));

			EXPECT_CALL(*sfEventThread, registerDisplayEventConnection(_));
			EXPECT_CALL(*sfEventThread, createEventConnection(_, _))
			.WillOnce(Return(new EventThreadConnection(sfEventThread.get(), /callingUid=/0,
			ResyncCallback())));

			auto vsyncController = std::make_unique<mock::VsyncController>();
			auto vsyncTracker = std::make_unique<mock::VSyncTracker>();

			EXPECT_CALL(*vsyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));
			EXPECT_CALL(*vsyncTracker, currentPeriod())
			.WillRepeatedly(Return(FakeHwcDisplayInjector::DEFAULT_VSYNC_PERIOD));
			EXPECT_CALL(*vsyncTracker, nextAnticipatedVSyncTimeFrom(_)).WillRepeatedly(Return(0));

			mFlinger.setupScheduler(std::move(vsyncController), std::move(vsyncTracker),
			std::move(eventThread), std::move(sfEventThread),
			TestableSurfaceFlinger::SchedulerCallbackImpl::kNoOp,
			TestableSurfaceFlinger::kTwoDisplayModes);
			}

			TEST_F(SurfaceFlingerPowerHintTest, sendDurationsIncludingHwcWaitTime) {
			ON_CALL(*mPowerAdvisor, usePowerHintSession()).WillByDefault(Return(true));

			const std::chrono::nanoseconds mockVsyncPeriod = 15ms;
			const std::chrono::nanoseconds expectedTargetTime = 14ms;
			EXPECT_CALL(*mPowerAdvisor, setTargetWorkDuration(Gt(expectedTargetTime.count()))).Times(1);

			const nsecs_t now = systemTime();
			const std::chrono::nanoseconds mockHwcRunTime = 20ms;
			EXPECT_CALL(*mDisplaySurface,
			prepareFrame(compositionengine::DisplaySurface::CompositionType::Hwc))
			.Times(1);
			EXPECT_CALL(*mComposer, presentOrValidateDisplay(HWC_DISPLAY, _, _, _, _, _))
			.WillOnce([mockHwcRunTime] {
			std::this_thread::sleep_for(mockHwcRunTime);
			return hardware::graphics::composer::V2_1::Error::NONE;
			});
			EXPECT_CALL(*mPowerAdvisor,
			sendActualWorkDuration(Gt(mockHwcRunTime.count()),
			Gt(now + mockHwcRunTime.count())))
			.Times(1);
			static constexpr bool kVsyncId = 123; // arbitrary
			mFlinger.commitAndComposite(now, kVsyncId, now + mockVsyncPeriod.count());
			}

			} // namespace
			} // namespace android