Merge "adpf: Use one client token per process for all hint sessions" into tm-dev (d8a8a405) · Commits · e / os / android_frameworks_base

native/android/performance_hint.cpp

+2 −2

Original line number	Diff line number	Diff line
		@@ -48,6 +48,7 @@ private:
		static APerformanceHintManager* create(sp<IHintManager> iHintManager);

		sp<IHintManager> mHintManager;
		const sp<IBinder> mToken = sp<BBinder>::make();
		const int64_t mPreferredRateNanos;
		};

		@@ -119,11 +120,10 @@ APerformanceHintManager* APerformanceHintManager::create(sp<IHintManager> manage

		APerformanceHintSession* APerformanceHintManager::createSession(
		const int32_t* threadIds, size_t size, int64_t initialTargetWorkDurationNanos) {
		sp<IBinder> token = sp<BBinder>::make();
		std::vector<int32_t> tids(threadIds, threadIds + size);
		sp<IHintSession> session;
		binder::Status ret =
		mHintManager->createHintSession(token, tids, initialTargetWorkDurationNanos, &session);
		mHintManager->createHintSession(mToken, tids, initialTargetWorkDurationNanos, &session);
		if (!ret.isOk() \|\| !session) {
		return nullptr;
		}

services/core/java/com/android/server/power/hint/HintManagerService.java

+45 −15

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ import android.os.IHintSession;
		import android.os.Process;
		import android.os.RemoteException;
		import android.util.ArrayMap;
		import android.util.ArraySet;
		import android.util.SparseArray;

		import com.android.internal.annotations.GuardedBy;
		@@ -51,8 +52,13 @@ public final class HintManagerService extends SystemService {
		private static final boolean DEBUG = false;
		@VisibleForTesting final long mHintSessionPreferredRate;

		// Multi-levle map storing all active AppHintSessions.
		// First level is keyed by the UID of the client process creating the session.
		// Second level is keyed by an IBinder passed from client process. This is used to observe
		// when the process exits. The client generally uses the same IBinder object across multiple
		// sessions, so the value is a set of AppHintSessions.
		@GuardedBy("mLock")
		private final ArrayMap<Integer, ArrayMap<IBinder, AppHintSession>> mActiveSessions;
		private final ArrayMap<Integer, ArrayMap<IBinder, ArraySet<AppHintSession>>> mActiveSessions;

		/** Lock to protect HAL handles and listen list. */
		private final Object mLock = new Object();
		@@ -201,13 +207,16 @@ public final class HintManagerService extends SystemService {
		public void onUidGone(int uid, boolean disabled) {
		FgThread.getHandler().post(() -> {
		synchronized (mLock) {
		ArrayMap<IBinder, AppHintSession> tokenMap = mActiveSessions.get(uid);
		ArrayMap<IBinder, ArraySet<AppHintSession>> tokenMap = mActiveSessions.get(uid);
		if (tokenMap == null) {
		return;
		}
		for (int i = tokenMap.size() - 1; i >= 0; i--) {
		// Will remove the session from tokenMap
		tokenMap.valueAt(i).close();
		ArraySet<AppHintSession> sessionSet = tokenMap.valueAt(i);
		for (int j = sessionSet.size() - 1; j >= 0; j--) {
		sessionSet.valueAt(j).close();
		}
		}
		mProcStatesCache.delete(uid);
		}
		@@ -231,14 +240,16 @@ public final class HintManagerService extends SystemService {
		FgThread.getHandler().post(() -> {
		synchronized (mLock) {
		mProcStatesCache.put(uid, procState);
		ArrayMap<IBinder, AppHintSession> tokenMap = mActiveSessions.get(uid);
		ArrayMap<IBinder, ArraySet<AppHintSession>> tokenMap = mActiveSessions.get(uid);
		if (tokenMap == null) {
		return;
		}
		for (AppHintSession s : tokenMap.values()) {
		for (ArraySet<AppHintSession> sessionSet : tokenMap.values()) {
		for (AppHintSession s : sessionSet) {
		s.onProcStateChanged();
		}
		}
		}
		});
		}

		@@ -305,17 +316,25 @@ public final class HintManagerService extends SystemService {

		long halSessionPtr = mNativeWrapper.halCreateHintSession(callingTgid, callingUid,
		tids, durationNanos);
		if (halSessionPtr == 0) return null;
		if (halSessionPtr == 0) {
		return null;
		}

		AppHintSession hs = new AppHintSession(callingUid, callingTgid, tids, token,
		halSessionPtr, durationNanos);
		synchronized (mLock) {
		ArrayMap<IBinder, AppHintSession> tokenMap = mActiveSessions.get(callingUid);
		ArrayMap<IBinder, ArraySet<AppHintSession>> tokenMap =
		mActiveSessions.get(callingUid);
		if (tokenMap == null) {
		tokenMap = new ArrayMap<>(1);
		mActiveSessions.put(callingUid, tokenMap);
		}
		tokenMap.put(token, hs);
		ArraySet<AppHintSession> sessionSet = tokenMap.get(token);
		if (sessionSet == null) {
		sessionSet = new ArraySet<>(1);
		tokenMap.put(token, sessionSet);
		}
		sessionSet.add(hs);
		return hs;
		}
		} finally {
		@@ -339,10 +358,14 @@ public final class HintManagerService extends SystemService {
		pw.println("Active Sessions:");
		for (int i = 0; i < mActiveSessions.size(); i++) {
		pw.println("Uid " + mActiveSessions.keyAt(i).toString() + ":");
		ArrayMap<IBinder, AppHintSession> tokenMap = mActiveSessions.valueAt(i);
		ArrayMap<IBinder, ArraySet<AppHintSession>> tokenMap =
		mActiveSessions.valueAt(i);
		for (int j = 0; j < tokenMap.size(); j++) {
		pw.println(" Session " + j + ":");
		tokenMap.valueAt(j).dump(pw, " ");
		ArraySet<AppHintSession> sessionSet = tokenMap.valueAt(j);
		for (int k = 0; k < sessionSet.size(); ++k) {
		pw.println(" Session:");
		sessionSet.valueAt(k).dump(pw, " ");
		}
		}
		}
		}
		@@ -432,11 +455,18 @@ public final class HintManagerService extends SystemService {
		mNativeWrapper.halCloseHintSession(mHalSessionPtr);
		mHalSessionPtr = 0;
		mToken.unlinkToDeath(this, 0);
		ArrayMap<IBinder, AppHintSession> tokenMap = mActiveSessions.get(mUid);
		ArrayMap<IBinder, ArraySet<AppHintSession>> tokenMap = mActiveSessions.get(mUid);
		if (tokenMap == null) {
		Slogf.w(TAG, "UID %d is note present in active session map", mUid);
		Slogf.w(TAG, "UID %d is not present in active session map", mUid);
		return;
		}
		ArraySet<AppHintSession> sessionSet = tokenMap.get(mToken);
		if (sessionSet == null) {
		Slogf.w(TAG, "Token %s is not present in token map", mToken.toString());
		return;
		}
		tokenMap.remove(mToken);
		sessionSet.remove(this);
		if (sessionSet.isEmpty()) tokenMap.remove(mToken);
		if (tokenMap.isEmpty()) mActiveSessions.remove(mUid);
		}
		}