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-rw-r--r--packages/SystemUI/aconfig/systemui.aconfig10
-rw-r--r--packages/SystemUI/multivalentTests/src/com/android/systemui/unfold/DisplaySwitchLatencyTrackerTest.kt261
-rw-r--r--packages/SystemUI/src/com/android/systemui/dagger/SystemUICoreStartableModule.kt21
-rw-r--r--packages/SystemUI/src/com/android/systemui/unfold/DisplaySwitchLatencyTracker.kt153
-rw-r--r--packages/SystemUI/src/com/android/systemui/unfold/NoCooldownDisplaySwitchLatencyTracker.kt243
-rw-r--r--packages/SystemUI/src/com/android/systemui/unfold/UnfoldLatencyTracker.kt9
-rw-r--r--packages/SystemUI/src/com/android/systemui/unfold/domain/interactor/UnfoldTransitionInteractor.kt4
7 files changed, 643 insertions, 58 deletions
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index 5b989cb6abc4..8b47a56f9440 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -1960,6 +1960,16 @@ flag {
}
flag {
+ name: "unfold_latency_tracking_fix"
+ namespace: "systemui"
+ description: "New implementation to track unfold latency that excludes broken cases"
+ bug: "390649568"
+ metadata {
+ purpose: PURPOSE_BUGFIX
+ }
+}
+
+flag {
name: "ui_rich_ongoing_force_expanded"
namespace: "systemui"
description: "Force promoted notifications to always be expanded"
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/unfold/DisplaySwitchLatencyTrackerTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/unfold/DisplaySwitchLatencyTrackerTest.kt
index fecf1fd2f222..354edac75452 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/unfold/DisplaySwitchLatencyTrackerTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/unfold/DisplaySwitchLatencyTrackerTest.kt
@@ -20,9 +20,12 @@ import android.content.Context
import android.content.res.Resources
import android.hardware.devicestate.DeviceStateManager
import android.os.PowerManager.GO_TO_SLEEP_REASON_DEVICE_FOLD
+import android.os.PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON
import androidx.test.ext.junit.runners.AndroidJUnit4
import androidx.test.filters.SmallTest
import com.android.internal.R
+import com.android.internal.util.LatencyTracker
+import com.android.internal.util.LatencyTracker.ACTION_SWITCH_DISPLAY_UNFOLD
import com.android.systemui.SysuiTestCase
import com.android.systemui.common.ui.data.repository.ConfigurationRepositoryImpl
import com.android.systemui.common.ui.domain.interactor.ConfigurationInteractorImpl
@@ -44,8 +47,10 @@ import com.android.systemui.power.shared.model.ScreenPowerState.SCREEN_OFF
import com.android.systemui.power.shared.model.ScreenPowerState.SCREEN_ON
import com.android.systemui.shared.system.SysUiStatsLog
import com.android.systemui.statusbar.policy.FakeConfigurationController
+import com.android.systemui.unfold.DisplaySwitchLatencyTracker.Companion.COOL_DOWN_DURATION
import com.android.systemui.unfold.DisplaySwitchLatencyTracker.Companion.FOLDABLE_DEVICE_STATE_CLOSED
import com.android.systemui.unfold.DisplaySwitchLatencyTracker.Companion.FOLDABLE_DEVICE_STATE_HALF_OPEN
+import com.android.systemui.unfold.DisplaySwitchLatencyTracker.Companion.SCREEN_EVENT_TIMEOUT
import com.android.systemui.unfold.DisplaySwitchLatencyTracker.DisplaySwitchLatencyEvent
import com.android.systemui.unfold.data.repository.UnfoldTransitionRepositoryImpl
import com.android.systemui.unfold.domain.interactor.UnfoldTransitionInteractor
@@ -56,11 +61,13 @@ import com.android.systemui.util.mockito.capture
import com.android.systemui.util.time.FakeSystemClock
import com.google.common.truth.Truth.assertThat
import java.util.Optional
+import kotlin.time.Duration.Companion.milliseconds
import kotlinx.coroutines.asExecutor
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.test.StandardTestDispatcher
import kotlinx.coroutines.test.TestDispatcher
import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.advanceTimeBy
import kotlinx.coroutines.test.runCurrent
import kotlinx.coroutines.test.runTest
import org.junit.Before
@@ -73,6 +80,7 @@ import org.mockito.Mockito.verify
import org.mockito.Mockito.`when` as whenever
import org.mockito.MockitoAnnotations
import org.mockito.kotlin.mock
+import org.mockito.kotlin.times
@RunWith(AndroidJUnit4::class)
@SmallTest
@@ -88,6 +96,7 @@ class DisplaySwitchLatencyTrackerTest : SysuiTestCase() {
private val animationStatusRepository = kosmos.fakeAnimationStatusRepository
private val keyguardInteractor = mock<KeyguardInteractor>()
private val displaySwitchLatencyLogger = mock<DisplaySwitchLatencyLogger>()
+ private val latencyTracker = mock<LatencyTracker>()
private val deviceStateManager = kosmos.deviceStateManager
private val closedDeviceState = kosmos.foldedDeviceStateList.first()
@@ -142,6 +151,7 @@ class DisplaySwitchLatencyTrackerTest : SysuiTestCase() {
displaySwitchLatencyLogger,
systemClock,
deviceStateManager,
+ latencyTracker,
)
}
@@ -195,6 +205,7 @@ class DisplaySwitchLatencyTrackerTest : SysuiTestCase() {
displaySwitchLatencyLogger,
systemClock,
deviceStateManager,
+ latencyTracker,
)
displaySwitchLatencyTracker.start()
@@ -370,6 +381,256 @@ class DisplaySwitchLatencyTrackerTest : SysuiTestCase() {
}
}
+ @Test
+ fun unfoldingDevice_startsLatencyTracking() {
+ testScope.runTest {
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+
+ verify(latencyTracker).onActionStart(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun foldingDevice_doesntTrackLatency() {
+ testScope.runTest {
+ setDeviceState(UNFOLDED)
+ displaySwitchLatencyTracker.start()
+ runCurrent()
+
+ startFolding()
+
+ verify(latencyTracker, never()).onActionStart(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun foldedState_doesntStartTrackingOnScreenOn() {
+ testScope.runTest {
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ powerInteractor.setScreenPowerState(SCREEN_ON)
+ runCurrent()
+
+ verify(latencyTracker, never()).onActionStart(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun unfoldingDevice_endsLatencyTrackingWhenTransitionStarts() {
+ testScope.runTest {
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+ unfoldTransitionProgressProvider.onTransitionStarted()
+ runCurrent()
+
+ verify(latencyTracker).onActionEnd(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun unfoldingDevice_animationsDisabled_endsLatencyTrackingWhenScreenOn() {
+ testScope.runTest {
+ animationStatusRepository.onAnimationStatusChanged(enabled = false)
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+ powerInteractor.setScreenPowerState(SCREEN_ON)
+ runCurrent()
+
+ verify(latencyTracker).onActionEnd(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun unfoldingDevice_doesntEndLatencyTrackingWhenScreenOn() {
+ testScope.runTest {
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+ powerInteractor.setScreenPowerState(SCREEN_ON)
+ runCurrent()
+
+ verify(latencyTracker, never()).onActionEnd(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun unfoldingDevice_animationsDisabled_endsLatencyTrackingWhenDeviceGoesToSleep() {
+ testScope.runTest {
+ animationStatusRepository.onAnimationStatusChanged(enabled = false)
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+ powerInteractor.setAsleepForTest(sleepReason = GO_TO_SLEEP_REASON_POWER_BUTTON)
+ runCurrent()
+
+ verify(latencyTracker).onActionEnd(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun displaySwitchInterrupted_cancelsTrackingWhenNewDeviceStateEmitted() {
+ testScope.runTest {
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+ startFolding()
+ finishFolding()
+
+ verify(latencyTracker).onActionCancel(ACTION_SWITCH_DISPLAY_UNFOLD)
+ verify(latencyTracker, never()).onActionEnd(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun displaySwitchInterrupted_cancelsTrackingForManyStateChanges() {
+ testScope.runTest {
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+ startFolding()
+ startUnfolding()
+ startFolding()
+ startUnfolding()
+ finishUnfolding()
+
+ verify(latencyTracker).onActionCancel(ACTION_SWITCH_DISPLAY_UNFOLD)
+ verify(latencyTracker, never()).onActionEnd(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun displaySwitchInterrupted_startsOneTrackingForManyStateChanges() {
+ testScope.runTest {
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+ startFolding()
+ startUnfolding()
+ startFolding()
+ startUnfolding()
+
+ verify(latencyTracker, times(1)).onActionStart(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun interruptedDisplaySwitchFinished_inCoolDownPeriod_trackingDisabled() {
+ testScope.runTest {
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+ startFolding()
+ finishFolding()
+
+ advanceTimeBy(COOL_DOWN_DURATION.minus(10.milliseconds))
+ startUnfolding()
+ finishUnfolding()
+
+ verify(latencyTracker, times(1)).onActionStart(ACTION_SWITCH_DISPLAY_UNFOLD)
+ verify(latencyTracker, never()).onActionEnd(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun interruptedDisplaySwitchFinished_coolDownPassed_trackingWorksAsUsual() {
+ testScope.runTest {
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+ startFolding()
+ finishFolding()
+
+ advanceTimeBy(COOL_DOWN_DURATION.plus(10.milliseconds))
+ startUnfolding()
+ finishUnfolding()
+
+ verify(latencyTracker, times(2)).onActionStart(ACTION_SWITCH_DISPLAY_UNFOLD)
+ verify(latencyTracker).onActionEnd(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun displaySwitchInterrupted_coolDownExtendedByStartEvents() {
+ testScope.runTest {
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+ startFolding()
+ advanceTimeBy(COOL_DOWN_DURATION.minus(10.milliseconds))
+ startUnfolding()
+ advanceTimeBy(20.milliseconds)
+
+ startFolding()
+ finishUnfolding()
+
+ verify(latencyTracker, never()).onActionEnd(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun displaySwitchInterrupted_coolDownExtendedByAnyEndEvent() {
+ testScope.runTest {
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+ startFolding()
+ startUnfolding()
+ advanceTimeBy(COOL_DOWN_DURATION - 10.milliseconds)
+ powerInteractor.setScreenPowerState(SCREEN_ON)
+ advanceTimeBy(20.milliseconds)
+
+ startFolding()
+ finishUnfolding()
+
+ verify(latencyTracker, never()).onActionEnd(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ @Test
+ fun displaySwitchTimedOut_trackingCancelled() {
+ testScope.runTest {
+ startInFoldedState(displaySwitchLatencyTracker)
+
+ startUnfolding()
+ advanceTimeBy(SCREEN_EVENT_TIMEOUT + 10.milliseconds)
+ finishUnfolding()
+
+ verify(latencyTracker).onActionCancel(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ }
+
+ private suspend fun TestScope.startInFoldedState(tracker: DisplaySwitchLatencyTracker) {
+ setDeviceState(FOLDED)
+ tracker.start()
+ runCurrent()
+ }
+
+ private suspend fun TestScope.startUnfolding() {
+ setDeviceState(HALF_FOLDED)
+ powerInteractor.setScreenPowerState(SCREEN_OFF)
+ runCurrent()
+ }
+
+ private suspend fun TestScope.startFolding() {
+ setDeviceState(FOLDED)
+ powerInteractor.setScreenPowerState(SCREEN_OFF)
+ runCurrent()
+ }
+
+ private fun TestScope.finishFolding() {
+ powerInteractor.setScreenPowerState(SCREEN_ON)
+ runCurrent()
+ }
+
+ private fun TestScope.finishUnfolding() {
+ unfoldTransitionProgressProvider.onTransitionStarted()
+ runCurrent()
+ }
+
private suspend fun setDeviceState(state: DeviceState) {
foldStateRepository.emit(state)
}
diff --git a/packages/SystemUI/src/com/android/systemui/dagger/SystemUICoreStartableModule.kt b/packages/SystemUI/src/com/android/systemui/dagger/SystemUICoreStartableModule.kt
index fcc3ea9f7d58..fed77090c477 100644
--- a/packages/SystemUI/src/com/android/systemui/dagger/SystemUICoreStartableModule.kt
+++ b/packages/SystemUI/src/com/android/systemui/dagger/SystemUICoreStartableModule.kt
@@ -18,6 +18,7 @@ package com.android.systemui.dagger
import com.android.keyguard.KeyguardBiometricLockoutLogger
import com.android.systemui.CoreStartable
+import com.android.systemui.Flags.unfoldLatencyTrackingFix
import com.android.systemui.LatencyTester
import com.android.systemui.SliceBroadcastRelayHandler
import com.android.systemui.accessibility.Magnification
@@ -60,6 +61,7 @@ import com.android.systemui.stylus.StylusUsiPowerStartable
import com.android.systemui.temporarydisplay.chipbar.ChipbarCoordinator
import com.android.systemui.theme.ThemeOverlayController
import com.android.systemui.unfold.DisplaySwitchLatencyTracker
+import com.android.systemui.unfold.NoCooldownDisplaySwitchLatencyTracker
import com.android.systemui.usb.StorageNotification
import com.android.systemui.util.NotificationChannels
import com.android.systemui.util.StartBinderLoggerModule
@@ -67,8 +69,10 @@ import com.android.systemui.wallpapers.dagger.WallpaperModule
import com.android.systemui.wmshell.WMShell
import dagger.Binds
import dagger.Module
+import dagger.Provides
import dagger.multibindings.ClassKey
import dagger.multibindings.IntoMap
+import javax.inject.Provider
/**
* DEPRECATED: DO NOT ADD THINGS TO THIS FILE.
@@ -148,12 +152,6 @@ abstract class SystemUICoreStartableModule {
@ClassKey(LatencyTester::class)
abstract fun bindLatencyTester(sysui: LatencyTester): CoreStartable
- /** Inject into DisplaySwitchLatencyTracker. */
- @Binds
- @IntoMap
- @ClassKey(DisplaySwitchLatencyTracker::class)
- abstract fun bindDisplaySwitchLatencyTracker(sysui: DisplaySwitchLatencyTracker): CoreStartable
-
/** Inject into NotificationChannels. */
@Binds
@IntoMap
@@ -353,4 +351,15 @@ abstract class SystemUICoreStartableModule {
@IntoMap
@ClassKey(ComplicationTypesUpdater::class)
abstract fun bindComplicationTypesUpdater(updater: ComplicationTypesUpdater): CoreStartable
+
+ companion object {
+ @Provides
+ @IntoMap
+ @ClassKey(DisplaySwitchLatencyTracker::class)
+ fun provideDisplaySwitchLatencyTracker(
+ noCoolDownVariant: Provider<NoCooldownDisplaySwitchLatencyTracker>,
+ coolDownVariant: Provider<DisplaySwitchLatencyTracker>,
+ ): CoreStartable =
+ if (unfoldLatencyTrackingFix()) coolDownVariant.get() else noCoolDownVariant.get()
+ }
}
diff --git a/packages/SystemUI/src/com/android/systemui/unfold/DisplaySwitchLatencyTracker.kt b/packages/SystemUI/src/com/android/systemui/unfold/DisplaySwitchLatencyTracker.kt
index f5aac720fd47..cd401d5deb6e 100644
--- a/packages/SystemUI/src/com/android/systemui/unfold/DisplaySwitchLatencyTracker.kt
+++ b/packages/SystemUI/src/com/android/systemui/unfold/DisplaySwitchLatencyTracker.kt
@@ -19,8 +19,11 @@ package com.android.systemui.unfold
import android.content.Context
import android.hardware.devicestate.DeviceStateManager
import android.util.Log
+import androidx.annotation.VisibleForTesting
import com.android.app.tracing.TraceUtils.traceAsync
import com.android.app.tracing.instantForTrack
+import com.android.internal.util.LatencyTracker
+import com.android.internal.util.LatencyTracker.ACTION_SWITCH_DISPLAY_UNFOLD
import com.android.systemui.CoreStartable
import com.android.systemui.dagger.SysUISingleton
import com.android.systemui.dagger.qualifiers.Application
@@ -30,10 +33,12 @@ import com.android.systemui.keyguard.domain.interactor.KeyguardInteractor
import com.android.systemui.power.domain.interactor.PowerInteractor
import com.android.systemui.power.shared.model.ScreenPowerState
import com.android.systemui.power.shared.model.WakeSleepReason
+import com.android.systemui.power.shared.model.WakefulnessModel
import com.android.systemui.power.shared.model.WakefulnessState
import com.android.systemui.shared.system.SysUiStatsLog
import com.android.systemui.unfold.DisplaySwitchLatencyTracker.DisplaySwitchLatencyEvent
import com.android.systemui.unfold.dagger.UnfoldSingleThreadBg
+import com.android.systemui.unfold.data.repository.UnfoldTransitionStatus.TransitionStarted
import com.android.systemui.unfold.domain.interactor.UnfoldTransitionInteractor
import com.android.systemui.util.Compile
import com.android.systemui.util.Utils.isDeviceFoldable
@@ -42,17 +47,23 @@ import com.android.systemui.util.kotlin.pairwise
import com.android.systemui.util.kotlin.race
import com.android.systemui.util.time.SystemClock
import com.android.systemui.util.time.measureTimeMillis
-import java.time.Duration
import java.util.concurrent.Executor
import javax.inject.Inject
+import kotlin.coroutines.cancellation.CancellationException
+import kotlin.time.Duration.Companion.seconds
import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.FlowPreview
import kotlinx.coroutines.TimeoutCancellationException
import kotlinx.coroutines.asCoroutineDispatcher
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.flow.drop
import kotlinx.coroutines.flow.filter
import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.flow.flatMapLatest
-import kotlinx.coroutines.flow.flow
-import com.android.app.tracing.coroutines.launchTraced as launch
+import kotlinx.coroutines.flow.merge
+import kotlinx.coroutines.flow.timeout
+import kotlinx.coroutines.launch
import kotlinx.coroutines.withTimeout
/**
@@ -73,63 +84,96 @@ constructor(
@Application private val applicationScope: CoroutineScope,
private val displaySwitchLatencyLogger: DisplaySwitchLatencyLogger,
private val systemClock: SystemClock,
- private val deviceStateManager: DeviceStateManager
+ private val deviceStateManager: DeviceStateManager,
+ private val latencyTracker: LatencyTracker,
) : CoreStartable {
private val backgroundDispatcher = singleThreadBgExecutor.asCoroutineDispatcher()
private val isAodEnabled: Boolean
get() = keyguardInteractor.isAodAvailable.value
+ private val displaySwitchStarted =
+ deviceStateRepository.state.pairwise().filter {
+ // Start tracking only when the foldable device is
+ // folding(UNFOLDED/HALF_FOLDED -> FOLDED) or unfolding(FOLDED -> HALF_FOLD/UNFOLDED)
+ foldableDeviceState ->
+ foldableDeviceState.previousValue == DeviceState.FOLDED ||
+ foldableDeviceState.newValue == DeviceState.FOLDED
+ }
+
+ private var startOrEndEvent: Flow<Any> = merge(displaySwitchStarted, anyEndEventFlow())
+
+ private var isCoolingDown = false
+
override fun start() {
if (!isDeviceFoldable(context.resources, deviceStateManager)) {
return
}
applicationScope.launch(context = backgroundDispatcher) {
- deviceStateRepository.state
- .pairwise()
- .filter {
- // Start tracking only when the foldable device is
- // folding(UNFOLDED/HALF_FOLDED -> FOLDED) or
- // unfolding(FOLDED -> HALF_FOLD/UNFOLDED)
- foldableDeviceState ->
- foldableDeviceState.previousValue == DeviceState.FOLDED ||
- foldableDeviceState.newValue == DeviceState.FOLDED
+ displaySwitchStarted.collectLatest { (previousState, newState) ->
+ if (isCoolingDown) return@collectLatest
+ if (previousState == DeviceState.FOLDED) {
+ latencyTracker.onActionStart(ACTION_SWITCH_DISPLAY_UNFOLD)
+ instantForTrack(TAG) { "unfold latency tracking started" }
}
- .flatMapLatest { foldableDeviceState ->
- flow {
- var displaySwitchLatencyEvent = DisplaySwitchLatencyEvent()
- val toFoldableDeviceState = foldableDeviceState.newValue.toStatsInt()
- displaySwitchLatencyEvent =
- displaySwitchLatencyEvent.withBeforeFields(
- foldableDeviceState.previousValue.toStatsInt()
- )
-
+ try {
+ withTimeout(SCREEN_EVENT_TIMEOUT) {
+ val event =
+ DisplaySwitchLatencyEvent().withBeforeFields(previousState.toStatsInt())
val displaySwitchTimeMs =
measureTimeMillis(systemClock) {
- try {
- withTimeout(SCREEN_EVENT_TIMEOUT) {
- traceAsync(TAG, "displaySwitch") {
- waitForDisplaySwitch(toFoldableDeviceState)
- }
- }
- } catch (e: TimeoutCancellationException) {
- Log.e(TAG, "Wait for display switch timed out")
+ traceAsync(TAG, "displaySwitch") {
+ waitForDisplaySwitch(newState.toStatsInt())
}
}
-
- displaySwitchLatencyEvent =
- displaySwitchLatencyEvent.withAfterFields(
- toFoldableDeviceState,
- displaySwitchTimeMs.toInt(),
- getCurrentState()
- )
- emit(displaySwitchLatencyEvent)
+ if (previousState == DeviceState.FOLDED) {
+ latencyTracker.onActionEnd(ACTION_SWITCH_DISPLAY_UNFOLD)
+ }
+ logDisplaySwitchEvent(event, newState, displaySwitchTimeMs)
}
+ } catch (e: TimeoutCancellationException) {
+ instantForTrack(TAG) { "tracking timed out" }
+ latencyTracker.onActionCancel(ACTION_SWITCH_DISPLAY_UNFOLD)
+ } catch (e: CancellationException) {
+ instantForTrack(TAG) { "new state interrupted, entering cool down" }
+ latencyTracker.onActionCancel(ACTION_SWITCH_DISPLAY_UNFOLD)
+ startCoolDown()
}
- .collect { displaySwitchLatencyLogger.log(it) }
+ }
}
}
+ @OptIn(FlowPreview::class)
+ private fun startCoolDown() {
+ if (isCoolingDown) return
+ isCoolingDown = true
+ applicationScope.launch(context = backgroundDispatcher) {
+ val startTime = systemClock.elapsedRealtime()
+ try {
+ startOrEndEvent.timeout(COOL_DOWN_DURATION).collect()
+ } catch (e: TimeoutCancellationException) {
+ instantForTrack(TAG) {
+ "cool down finished, lasted ${systemClock.elapsedRealtime() - startTime} ms"
+ }
+ isCoolingDown = false
+ }
+ }
+ }
+
+ private fun logDisplaySwitchEvent(
+ event: DisplaySwitchLatencyEvent,
+ toFoldableDeviceState: DeviceState,
+ displaySwitchTimeMs: Long,
+ ) {
+ displaySwitchLatencyLogger.log(
+ event.withAfterFields(
+ toFoldableDeviceState.toStatsInt(),
+ displaySwitchTimeMs.toInt(),
+ getCurrentState(),
+ )
+ )
+ }
+
private fun DeviceState.toStatsInt(): Int =
when (this) {
DeviceState.FOLDED -> FOLDABLE_DEVICE_STATE_CLOSED
@@ -152,9 +196,20 @@ constructor(
}
}
+ private fun anyEndEventFlow(): Flow<Any> {
+ val unfoldStatus =
+ unfoldTransitionInteractor.unfoldTransitionStatus.filter { it is TransitionStarted }
+ // dropping first emission as we're only interested in new emissions, not current state
+ val screenOn =
+ powerInteractor.screenPowerState.drop(1).filter { it == ScreenPowerState.SCREEN_ON }
+ val goToSleep =
+ powerInteractor.detailedWakefulness.drop(1).filter { sleepWithScreenOff(it) }
+ return merge(screenOn, goToSleep, unfoldStatus)
+ }
+
private fun shouldWaitForTransitionStart(
toFoldableDeviceState: Int,
- isTransitionEnabled: Boolean
+ isTransitionEnabled: Boolean,
): Boolean = (toFoldableDeviceState != FOLDABLE_DEVICE_STATE_CLOSED && isTransitionEnabled)
private suspend fun waitForScreenTurnedOn() {
@@ -165,12 +220,13 @@ constructor(
private suspend fun waitForGoToSleepWithScreenOff() {
traceAsync(TAG, "waitForGoToSleepWithScreenOff()") {
- powerInteractor.detailedWakefulness
- .filter { it.internalWakefulnessState == WakefulnessState.ASLEEP && !isAodEnabled }
- .first()
+ powerInteractor.detailedWakefulness.filter { sleepWithScreenOff(it) }.first()
}
}
+ private fun sleepWithScreenOff(model: WakefulnessModel) =
+ model.internalWakefulnessState == WakefulnessState.ASLEEP && !isAodEnabled
+
private fun getCurrentState(): Int =
when {
isStateAod() -> SysUiStatsLog.DISPLAY_SWITCH_LATENCY_TRACKED__TO_STATE__AOD
@@ -205,7 +261,7 @@ constructor(
private fun DisplaySwitchLatencyEvent.withAfterFields(
toFoldableDeviceState: Int,
displaySwitchTimeMs: Int,
- toState: Int
+ toState: Int,
): DisplaySwitchLatencyEvent {
log {
"toFoldableDeviceState=$toFoldableDeviceState, " +
@@ -217,7 +273,7 @@ constructor(
return copy(
toFoldableDeviceState = toFoldableDeviceState,
latencyMs = displaySwitchTimeMs,
- toState = toState
+ toState = toState,
)
}
@@ -250,14 +306,15 @@ constructor(
val hallSensorToFirstHingeAngleChangeMs: Int = VALUE_UNKNOWN,
val hallSensorToDeviceStateChangeMs: Int = VALUE_UNKNOWN,
val onScreenTurningOnToOnDrawnMs: Int = VALUE_UNKNOWN,
- val onDrawnToOnScreenTurnedOnMs: Int = VALUE_UNKNOWN
+ val onDrawnToOnScreenTurnedOnMs: Int = VALUE_UNKNOWN,
)
companion object {
private const val VALUE_UNKNOWN = -1
private const val TAG = "DisplaySwitchLatency"
private val DEBUG = Compile.IS_DEBUG && Log.isLoggable(TAG, Log.VERBOSE)
- private val SCREEN_EVENT_TIMEOUT = Duration.ofMillis(15000).toMillis()
+ @VisibleForTesting val SCREEN_EVENT_TIMEOUT = 15.seconds
+ @VisibleForTesting val COOL_DOWN_DURATION = 2.seconds
private const val FOLDABLE_DEVICE_STATE_UNKNOWN =
SysUiStatsLog.DISPLAY_SWITCH_LATENCY_TRACKED__FROM_FOLDABLE_DEVICE_STATE__STATE_UNKNOWN
diff --git a/packages/SystemUI/src/com/android/systemui/unfold/NoCooldownDisplaySwitchLatencyTracker.kt b/packages/SystemUI/src/com/android/systemui/unfold/NoCooldownDisplaySwitchLatencyTracker.kt
new file mode 100644
index 000000000000..6ac0bb168f18
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/unfold/NoCooldownDisplaySwitchLatencyTracker.kt
@@ -0,0 +1,243 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+package com.android.systemui.unfold
+
+import android.content.Context
+import android.hardware.devicestate.DeviceStateManager
+import android.util.Log
+import com.android.app.tracing.TraceUtils.traceAsync
+import com.android.app.tracing.coroutines.launchTraced as launch
+import com.android.app.tracing.instantForTrack
+import com.android.systemui.CoreStartable
+import com.android.systemui.Flags.unfoldLatencyTrackingFix
+import com.android.systemui.dagger.SysUISingleton
+import com.android.systemui.dagger.qualifiers.Application
+import com.android.systemui.display.data.repository.DeviceStateRepository
+import com.android.systemui.display.data.repository.DeviceStateRepository.DeviceState
+import com.android.systemui.keyguard.domain.interactor.KeyguardInteractor
+import com.android.systemui.power.domain.interactor.PowerInteractor
+import com.android.systemui.power.shared.model.ScreenPowerState
+import com.android.systemui.power.shared.model.WakeSleepReason
+import com.android.systemui.power.shared.model.WakefulnessState
+import com.android.systemui.shared.system.SysUiStatsLog
+import com.android.systemui.unfold.DisplaySwitchLatencyTracker.DisplaySwitchLatencyEvent
+import com.android.systemui.unfold.dagger.UnfoldSingleThreadBg
+import com.android.systemui.unfold.domain.interactor.UnfoldTransitionInteractor
+import com.android.systemui.util.Compile
+import com.android.systemui.util.Utils.isDeviceFoldable
+import com.android.systemui.util.animation.data.repository.AnimationStatusRepository
+import com.android.systemui.util.kotlin.pairwise
+import com.android.systemui.util.kotlin.race
+import com.android.systemui.util.time.SystemClock
+import com.android.systemui.util.time.measureTimeMillis
+import java.time.Duration
+import java.util.concurrent.Executor
+import javax.inject.Inject
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.TimeoutCancellationException
+import kotlinx.coroutines.asCoroutineDispatcher
+import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.withTimeout
+
+/**
+ * Old version of [DisplaySwitchLatencyTracker] tracking only [DisplaySwitchLatencyEvent]. Which
+ * version is used for tracking depends on [unfoldLatencyTrackingFix] flag.
+ */
+@SysUISingleton
+class NoCooldownDisplaySwitchLatencyTracker
+@Inject
+constructor(
+ private val context: Context,
+ private val deviceStateRepository: DeviceStateRepository,
+ private val powerInteractor: PowerInteractor,
+ private val unfoldTransitionInteractor: UnfoldTransitionInteractor,
+ private val animationStatusRepository: AnimationStatusRepository,
+ private val keyguardInteractor: KeyguardInteractor,
+ @UnfoldSingleThreadBg private val singleThreadBgExecutor: Executor,
+ @Application private val applicationScope: CoroutineScope,
+ private val displaySwitchLatencyLogger: DisplaySwitchLatencyLogger,
+ private val systemClock: SystemClock,
+ private val deviceStateManager: DeviceStateManager,
+) : CoreStartable {
+
+ private val backgroundDispatcher = singleThreadBgExecutor.asCoroutineDispatcher()
+ private val isAodEnabled: Boolean
+ get() = keyguardInteractor.isAodAvailable.value
+
+ override fun start() {
+ if (!isDeviceFoldable(context.resources, deviceStateManager)) {
+ return
+ }
+ applicationScope.launch(context = backgroundDispatcher) {
+ deviceStateRepository.state
+ .pairwise()
+ .filter {
+ // Start tracking only when the foldable device is
+ // folding(UNFOLDED/HALF_FOLDED -> FOLDED) or
+ // unfolding(FOLDED -> HALF_FOLD/UNFOLDED)
+ foldableDeviceState ->
+ foldableDeviceState.previousValue == DeviceState.FOLDED ||
+ foldableDeviceState.newValue == DeviceState.FOLDED
+ }
+ .flatMapLatest { foldableDeviceState ->
+ flow {
+ var displaySwitchLatencyEvent = DisplaySwitchLatencyEvent()
+ val toFoldableDeviceState = foldableDeviceState.newValue.toStatsInt()
+ displaySwitchLatencyEvent =
+ displaySwitchLatencyEvent.withBeforeFields(
+ foldableDeviceState.previousValue.toStatsInt()
+ )
+
+ val displaySwitchTimeMs =
+ measureTimeMillis(systemClock) {
+ try {
+ withTimeout(SCREEN_EVENT_TIMEOUT) {
+ traceAsync(TAG, "displaySwitch") {
+ waitForDisplaySwitch(toFoldableDeviceState)
+ }
+ }
+ } catch (e: TimeoutCancellationException) {
+ Log.e(TAG, "Wait for display switch timed out")
+ }
+ }
+
+ displaySwitchLatencyEvent =
+ displaySwitchLatencyEvent.withAfterFields(
+ toFoldableDeviceState,
+ displaySwitchTimeMs.toInt(),
+ getCurrentState(),
+ )
+ emit(displaySwitchLatencyEvent)
+ }
+ }
+ .collect { displaySwitchLatencyLogger.log(it) }
+ }
+ }
+
+ private fun DeviceState.toStatsInt(): Int =
+ when (this) {
+ DeviceState.FOLDED -> FOLDABLE_DEVICE_STATE_CLOSED
+ DeviceState.HALF_FOLDED -> FOLDABLE_DEVICE_STATE_HALF_OPEN
+ DeviceState.UNFOLDED -> FOLDABLE_DEVICE_STATE_OPEN
+ DeviceState.CONCURRENT_DISPLAY -> FOLDABLE_DEVICE_STATE_FLIPPED
+ else -> FOLDABLE_DEVICE_STATE_UNKNOWN
+ }
+
+ private suspend fun waitForDisplaySwitch(toFoldableDeviceState: Int) {
+ val isTransitionEnabled =
+ unfoldTransitionInteractor.isAvailable &&
+ animationStatusRepository.areAnimationsEnabled().first()
+ if (shouldWaitForTransitionStart(toFoldableDeviceState, isTransitionEnabled)) {
+ traceAsync(TAG, "waitForTransitionStart()") {
+ unfoldTransitionInteractor.waitForTransitionStart()
+ }
+ } else {
+ race({ waitForScreenTurnedOn() }, { waitForGoToSleepWithScreenOff() })
+ }
+ }
+
+ private fun shouldWaitForTransitionStart(
+ toFoldableDeviceState: Int,
+ isTransitionEnabled: Boolean,
+ ): Boolean = (toFoldableDeviceState != FOLDABLE_DEVICE_STATE_CLOSED && isTransitionEnabled)
+
+ private suspend fun waitForScreenTurnedOn() {
+ traceAsync(TAG, "waitForScreenTurnedOn()") {
+ powerInteractor.screenPowerState.filter { it == ScreenPowerState.SCREEN_ON }.first()
+ }
+ }
+
+ private suspend fun waitForGoToSleepWithScreenOff() {
+ traceAsync(TAG, "waitForGoToSleepWithScreenOff()") {
+ powerInteractor.detailedWakefulness
+ .filter { it.internalWakefulnessState == WakefulnessState.ASLEEP && !isAodEnabled }
+ .first()
+ }
+ }
+
+ private fun getCurrentState(): Int =
+ when {
+ isStateAod() -> SysUiStatsLog.DISPLAY_SWITCH_LATENCY_TRACKED__TO_STATE__AOD
+ isStateScreenOff() -> SysUiStatsLog.DISPLAY_SWITCH_LATENCY_TRACKED__TO_STATE__SCREEN_OFF
+ else -> SysUiStatsLog.DISPLAY_SWITCH_LATENCY_TRACKED__TO_STATE__UNKNOWN
+ }
+
+ private fun isStateAod(): Boolean = (isAsleepDueToFold() && isAodEnabled)
+
+ private fun isStateScreenOff(): Boolean = (isAsleepDueToFold() && !isAodEnabled)
+
+ private fun isAsleepDueToFold(): Boolean {
+ val lastWakefulnessEvent = powerInteractor.detailedWakefulness.value
+
+ return (lastWakefulnessEvent.isAsleep() &&
+ (lastWakefulnessEvent.lastSleepReason == WakeSleepReason.FOLD))
+ }
+
+ private inline fun log(msg: () -> String) {
+ if (DEBUG) Log.d(TAG, msg())
+ }
+
+ private fun DisplaySwitchLatencyEvent.withBeforeFields(
+ fromFoldableDeviceState: Int
+ ): DisplaySwitchLatencyEvent {
+ log { "fromFoldableDeviceState=$fromFoldableDeviceState" }
+ instantForTrack(TAG) { "fromFoldableDeviceState=$fromFoldableDeviceState" }
+
+ return copy(fromFoldableDeviceState = fromFoldableDeviceState)
+ }
+
+ private fun DisplaySwitchLatencyEvent.withAfterFields(
+ toFoldableDeviceState: Int,
+ displaySwitchTimeMs: Int,
+ toState: Int,
+ ): DisplaySwitchLatencyEvent {
+ log {
+ "toFoldableDeviceState=$toFoldableDeviceState, " +
+ "toState=$toState, " +
+ "latencyMs=$displaySwitchTimeMs"
+ }
+ instantForTrack(TAG) { "toFoldableDeviceState=$toFoldableDeviceState, toState=$toState" }
+
+ return copy(
+ toFoldableDeviceState = toFoldableDeviceState,
+ latencyMs = displaySwitchTimeMs,
+ toState = toState,
+ )
+ }
+
+ companion object {
+ private const val VALUE_UNKNOWN = -1
+ private const val TAG = "DisplaySwitchLatency"
+ private val DEBUG = Compile.IS_DEBUG && Log.isLoggable(TAG, Log.VERBOSE)
+ private val SCREEN_EVENT_TIMEOUT = Duration.ofMillis(15000).toMillis()
+
+ private const val FOLDABLE_DEVICE_STATE_UNKNOWN =
+ SysUiStatsLog.DISPLAY_SWITCH_LATENCY_TRACKED__FROM_FOLDABLE_DEVICE_STATE__STATE_UNKNOWN
+ const val FOLDABLE_DEVICE_STATE_CLOSED =
+ SysUiStatsLog.DISPLAY_SWITCH_LATENCY_TRACKED__FROM_FOLDABLE_DEVICE_STATE__STATE_CLOSED
+ const val FOLDABLE_DEVICE_STATE_HALF_OPEN =
+ SysUiStatsLog
+ .DISPLAY_SWITCH_LATENCY_TRACKED__FROM_FOLDABLE_DEVICE_STATE__STATE_HALF_OPENED
+ private const val FOLDABLE_DEVICE_STATE_OPEN =
+ SysUiStatsLog.DISPLAY_SWITCH_LATENCY_TRACKED__FROM_FOLDABLE_DEVICE_STATE__STATE_OPENED
+ private const val FOLDABLE_DEVICE_STATE_FLIPPED =
+ SysUiStatsLog.DISPLAY_SWITCH_LATENCY_TRACKED__FROM_FOLDABLE_DEVICE_STATE__STATE_FLIPPED
+ }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/unfold/UnfoldLatencyTracker.kt b/packages/SystemUI/src/com/android/systemui/unfold/UnfoldLatencyTracker.kt
index f806a5c52d5a..9248cc801227 100644
--- a/packages/SystemUI/src/com/android/systemui/unfold/UnfoldLatencyTracker.kt
+++ b/packages/SystemUI/src/com/android/systemui/unfold/UnfoldLatencyTracker.kt
@@ -22,6 +22,7 @@ import android.hardware.devicestate.DeviceStateManager
import android.os.Trace
import android.util.Log
import com.android.internal.util.LatencyTracker
+import com.android.systemui.Flags.unfoldLatencyTrackingFix
import com.android.systemui.dagger.qualifiers.UiBackground
import com.android.systemui.keyguard.ScreenLifecycle
import com.android.systemui.unfold.UnfoldTransitionProgressProvider.TransitionProgressListener
@@ -63,7 +64,7 @@ constructor(
/** Registers for relevant events only if the device is foldable. */
fun init() {
- if (!isFoldable) {
+ if (unfoldLatencyTrackingFix() || !isFoldable) {
return
}
deviceStateManager.registerCallback(uiBgExecutor, foldStateListener)
@@ -85,7 +86,7 @@ constructor(
if (DEBUG) {
Log.d(
TAG,
- "onScreenTurnedOn: folded = $folded, isTransitionEnabled = $isTransitionEnabled"
+ "onScreenTurnedOn: folded = $folded, isTransitionEnabled = $isTransitionEnabled",
)
}
@@ -109,7 +110,7 @@ constructor(
if (DEBUG) {
Log.d(
TAG,
- "onTransitionStarted: folded = $folded, isTransitionEnabled = $isTransitionEnabled"
+ "onTransitionStarted: folded = $folded, isTransitionEnabled = $isTransitionEnabled",
)
}
@@ -161,7 +162,7 @@ constructor(
Log.d(
TAG,
"Starting ACTION_SWITCH_DISPLAY_UNFOLD, " +
- "isTransitionEnabled = $isTransitionEnabled"
+ "isTransitionEnabled = $isTransitionEnabled",
)
}
}
diff --git a/packages/SystemUI/src/com/android/systemui/unfold/domain/interactor/UnfoldTransitionInteractor.kt b/packages/SystemUI/src/com/android/systemui/unfold/domain/interactor/UnfoldTransitionInteractor.kt
index 885a2b0d7305..c2f86a37c6d8 100644
--- a/packages/SystemUI/src/com/android/systemui/unfold/domain/interactor/UnfoldTransitionInteractor.kt
+++ b/packages/SystemUI/src/com/android/systemui/unfold/domain/interactor/UnfoldTransitionInteractor.kt
@@ -21,6 +21,7 @@ import com.android.systemui.dagger.SysUISingleton
import com.android.systemui.res.R
import com.android.systemui.shade.ShadeDisplayAware
import com.android.systemui.unfold.data.repository.UnfoldTransitionRepository
+import com.android.systemui.unfold.data.repository.UnfoldTransitionStatus
import com.android.systemui.unfold.data.repository.UnfoldTransitionStatus.TransitionFinished
import com.android.systemui.unfold.data.repository.UnfoldTransitionStatus.TransitionInProgress
import com.android.systemui.unfold.data.repository.UnfoldTransitionStatus.TransitionStarted
@@ -48,6 +49,9 @@ constructor(
val isAvailable: Boolean
get() = repository.isAvailable
+ /** Flow of latest [UnfoldTransitionStatus] changes */
+ val unfoldTransitionStatus: Flow<UnfoldTransitionStatus> = repository.transitionStatus
+
/**
* This mapping emits 1 when the device is completely unfolded and 0.0 when the device is
* completely folded.