services: Add iorap forwarding service (4de1e165) · Commits · e / os / android_frameworks_base

services/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -28,6 +28,7 @@ java_library {
		"services.net",
		"services.print",
		"services.restrictions",
		"services.startop",
		"services.usage",
		"services.usb",
		"services.voiceinteraction",

services/java/com/android/server/SystemServer.java

+5 −1

Original line number	Diff line number	Diff line
		@@ -145,6 +145,7 @@ import com.android.server.webkit.WebViewUpdateService;
		import com.android.server.wm.ActivityTaskManagerService;
		import com.android.server.wm.WindowManagerGlobalLock;
		import com.android.server.wm.WindowManagerService;
		import com.google.android.startop.iorap.IorapForwardingService;

		import dalvik.system.VMRuntime;

		@@ -1007,10 +1008,13 @@ public final class SystemServer {
		mSystemServiceManager.startService(PinnerService.class);
		traceEnd();

		traceBeginAndSlog("IorapForwardingService");
		mSystemServiceManager.startService(IorapForwardingService.class);
		traceEnd();

		traceBeginAndSlog("SignedConfigService");
		SignedConfigService.registerUpdateReceiver(mSystemContext);
		traceEnd();

		} catch (RuntimeException e) {
		Slog.e("System", "******************************************");
		Slog.e("System", "************ Failure starting core service", e);

services/startop/Android.bp

0 → 100644

+24 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2018 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.
		*/

		java_library_static {
		name: "services.startop",

		static_libs: [
		// frameworks/base/startop/iorap
		"services.startop.iorap",
		],
		}

startop/iorap/Android.bp

+3 −1

Original line number	Diff line number	Diff line
		@@ -13,7 +13,7 @@
		// limitations under the License.

		java_library_static {
		name: "libiorap-java",
		name: "services.startop.iorap",

		aidl: {
		include_dirs: [
		@@ -21,6 +21,8 @@ java_library_static {
		],
		},

		libs: ["services.core"],

		srcs: [
		":iorap-aidl",
		"*/.java",

startop/iorap/src/com/google/android/startop/iorap/AppLaunchEvent.java

0 → 100644

+368 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2018 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.google.android.startop.iorap;

		import android.annotation.LongDef;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.content.ComponentName;
		import android.content.Intent;
		import android.content.pm.ActivityInfo;
		import android.os.Parcel;
		import android.os.Parcelable;

		// TODO: fix this. either move this class into system server or add a dependency on
		// these wm classes to libiorap-java and libiorap-java-tests (somehow).
		import com.android.server.wm.ActivityMetricsLaunchObserver;
		import com.android.server.wm.ActivityMetricsLaunchObserver.ActivityRecordProto;
		import com.android.server.wm.ActivityMetricsLaunchObserver.Temperature;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		import java.lang.reflect.InvocationTargetException;
		import java.util.Objects;

		/**
		* Provide a hint to iorapd that an app launch sequence has transitioned state.<br /><br />
		*
		* Knowledge of when an activity starts/stops can be used by iorapd to increase system
		* performance (e.g. by launching perfetto tracing to record an io profile, or by
		* playing back an ioprofile via readahead) over the long run.<br /><br />
		*
		* /@see com.google.android.startop.iorap.IIorap#onAppLaunchEvent <br /><br />
		* @see com.android.server.wm.ActivityMetricsLaunchObserver
		* ActivityMetricsLaunchObserver for the possible event states.
		* @hide
		*/
		public abstract class AppLaunchEvent implements Parcelable {
		@LongDef
		@Retention(RetentionPolicy.SOURCE)
		public @interface SequenceId {}

		public final @SequenceId
		long sequenceId;

		protected AppLaunchEvent(@SequenceId long sequenceId) {
		this.sequenceId = sequenceId;
		}

		@Override
		public boolean equals(Object other) {
		if (other instanceof AppLaunchEvent) {
		return equals((AppLaunchEvent) other);
		}
		return false;
		}

		protected boolean equals(AppLaunchEvent other) {
		return sequenceId == other.sequenceId;
		}


		@Override
		public String toString() {
		return getClass().getSimpleName() +
		"{" + "sequenceId=" + Long.toString(sequenceId) +
		toStringBody() + "}";
		}

		protected String toStringBody() { return ""; };

		// List of possible variants:

		public static final class IntentStarted extends AppLaunchEvent {
		@NonNull
		public final Intent intent;

		public IntentStarted(@SequenceId long sequenceId, Intent intent) {
		super(sequenceId);
		this.intent = intent;

		Objects.requireNonNull(intent, "intent");
		}

		@Override
		public boolean equals(Object other) {
		if (other instanceof IntentStarted) {
		return intent.equals(((IntentStarted)other).intent) &&
		super.equals(other);
		}
		return false;
		}

		@Override
		protected String toStringBody() {
		return ", intent=" + intent.toString();
		}


		@Override
		protected void writeToParcelImpl(Parcel p, int flags) {
		super.writeToParcelImpl(p, flags);
		intent.writeToParcel(p, flags);
		}

		IntentStarted(Parcel p) {
		super(p);
		intent = Intent.CREATOR.createFromParcel(p);
		}
		}

		public static final class IntentFailed extends AppLaunchEvent {
		public IntentFailed(@SequenceId long sequenceId) {
		super(sequenceId);
		}

		@Override
		public boolean equals(Object other) {
		if (other instanceof IntentFailed) {
		return super.equals(other);
		}
		return false;
		}

		IntentFailed(Parcel p) {
		super(p);
		}
		}

		public static abstract class BaseWithActivityRecordData extends AppLaunchEvent {
		public final @NonNull
		@ActivityRecordProto byte[] activityRecordSnapshot;

		protected BaseWithActivityRecordData(@SequenceId long sequenceId,
		@NonNull @ActivityRecordProto byte[] snapshot) {
		super(sequenceId);
		activityRecordSnapshot = snapshot;

		Objects.requireNonNull(snapshot, "snapshot");
		}

		@Override
		public boolean equals(Object other) {
		if (other instanceof BaseWithActivityRecordData) {
		return activityRecordSnapshot.equals(
		((BaseWithActivityRecordData)other).activityRecordSnapshot) &&
		super.equals(other);
		}
		return false;
		}

		@Override
		protected String toStringBody() {
		return ", " + activityRecordSnapshot.toString();
		}

		@Override
		protected void writeToParcelImpl(Parcel p, int flags) {
		super.writeToParcelImpl(p, flags);
		ActivityRecordProtoParcelable.write(p, activityRecordSnapshot, flags);
		}

		BaseWithActivityRecordData(Parcel p) {
		super(p);
		activityRecordSnapshot = ActivityRecordProtoParcelable.create(p);
		}
		}

		public static final class ActivityLaunched extends BaseWithActivityRecordData {
		public final @ActivityMetricsLaunchObserver.Temperature
		int temperature;

		public ActivityLaunched(@SequenceId long sequenceId,
		@NonNull @ActivityRecordProto byte[] snapshot,
		@ActivityMetricsLaunchObserver.Temperature int temperature) {
		super(sequenceId, snapshot);
		this.temperature = temperature;
		}

		@Override
		public boolean equals(Object other) {
		if (other instanceof ActivityLaunched) {
		return temperature == ((ActivityLaunched)other).temperature &&
		super.equals(other);
		}
		return false;
		}

		@Override
		protected String toStringBody() {
		return ", temperature=" + Integer.toString(temperature);
		}

		@Override
		protected void writeToParcelImpl(Parcel p, int flags) {
		super.writeToParcelImpl(p, flags);
		p.writeInt(temperature);
		}

		ActivityLaunched(Parcel p) {
		super(p);
		temperature = p.readInt();
		}
		}

		public static final class ActivityLaunchFinished extends BaseWithActivityRecordData {
		public ActivityLaunchFinished(@SequenceId long sequenceId,
		@NonNull @ActivityRecordProto byte[] snapshot) {
		super(sequenceId, snapshot);
		}

		@Override
		public boolean equals(Object other) {
		if (other instanceof ActivityLaunched) {
		return super.equals(other);
		}
		return false;
		}
		}

		public static class ActivityLaunchCancelled extends AppLaunchEvent {
		public final @Nullable
		@ActivityRecordProto byte[] activityRecordSnapshot;

		public ActivityLaunchCancelled(@SequenceId long sequenceId,
		@Nullable @ActivityRecordProto byte[] snapshot) {
		super(sequenceId);
		activityRecordSnapshot = snapshot;
		}

		@Override
		public boolean equals(Object other) {
		if (other instanceof ActivityLaunchCancelled) {
		return Objects.equals(activityRecordSnapshot,
		((ActivityLaunchCancelled)other).activityRecordSnapshot) &&
		super.equals(other);
		}
		return false;
		}

		@Override
		protected String toStringBody() {
		return ", " + activityRecordSnapshot.toString();
		}

		@Override
		protected void writeToParcelImpl(Parcel p, int flags) {
		super.writeToParcelImpl(p, flags);
		if (activityRecordSnapshot != null) {
		p.writeBoolean(true);
		ActivityRecordProtoParcelable.write(p, activityRecordSnapshot, flags);
		} else {
		p.writeBoolean(false);
		}
		}

		ActivityLaunchCancelled(Parcel p) {
		super(p);
		if (p.readBoolean()) {
		activityRecordSnapshot = ActivityRecordProtoParcelable.create(p);
		} else {
		activityRecordSnapshot = null;
		}
		}
		}

		@Override
		public @ContentsFlags int describeContents() { return 0; }

		@Override
		public void writeToParcel(Parcel p, @WriteFlags int flags) {
		p.writeInt(getTypeIndex());

		writeToParcelImpl(p, flags);
		}


		public static Creator<AppLaunchEvent> CREATOR =
		new Creator<AppLaunchEvent>() {
		@Override
		public AppLaunchEvent createFromParcel(Parcel source) {
		int typeIndex = source.readInt();

		Class<?> kls = getClassFromTypeIndex(typeIndex);
		if (kls == null) {
		throw new IllegalArgumentException("Invalid type index: " + typeIndex);
		}

		try {
		return (AppLaunchEvent) kls.getConstructor(Parcel.class).newInstance(source);
		} catch (InstantiationException e) {
		throw new AssertionError(e);
		} catch (IllegalAccessException e) {
		throw new AssertionError(e);
		} catch (InvocationTargetException e) {
		throw new AssertionError(e);
		} catch (NoSuchMethodException e) {
		throw new AssertionError(e);
		}
		}

		@Override
		public AppLaunchEvent[] newArray(int size) {
		return new AppLaunchEvent[0];
		}
		};

		protected void writeToParcelImpl(Parcel p, int flags) {
		p.writeLong(sequenceId);
		}

		protected AppLaunchEvent(Parcel p) {
		sequenceId = p.readLong();
		}

		private int getTypeIndex() {
		for (int i = 0; i < sTypes.length; ++i) {
		if (sTypes[i].equals(this.getClass())) {
		return i;
		}
		}
		throw new AssertionError("sTypes did not include this type: " + this.getClass());
		}

		private static @Nullable Class<?> getClassFromTypeIndex(int typeIndex) {
		if (typeIndex >= 0 && typeIndex < sTypes.length) {
		return sTypes[typeIndex];
		}
		return null;
		}

		// Index position matters: It is used to encode the specific type in parceling.
		// Keep up-to-date with C++ side.
		private static Class<?>[] sTypes = new Class[] {
		IntentStarted.class,
		IntentFailed.class,
		ActivityLaunched.class,
		ActivityLaunchFinished.class,
		ActivityLaunchCancelled.class,
		};

		// TODO: move to @ActivityRecordProto byte[] once we have unit tests.
		public static class ActivityRecordProtoParcelable {
		public static void write(Parcel p, @ActivityRecordProto byte[] activityRecordSnapshot,
		int flags) {
		p.writeByteArray(activityRecordSnapshot);
		}

		public static @ActivityRecordProto byte[] create(Parcel p) {
		byte[] data = p.createByteArray();

		return data;
		}
		}
		}