Merge changes Ie5fa2605,Ia092e896 (140049bc) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/os/KernelCpuUidBpfMapReader.java

0 → 100644

+202 −0

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

		package com.android.internal.os;

		import android.os.StrictMode;
		import android.os.SystemClock;
		import android.util.Slog;
		import android.util.SparseArray;

		import java.util.concurrent.locks.ReentrantReadWriteLock;

		/**
		* Reads cpu time bpf maps.
		*
		* It is implemented as singletons for each separate set of per-UID times. Get___Instance() method
		* returns the corresponding reader instance. In order to prevent frequent GC, it reuses the same
		* SparseArray to store data read from BPF maps.
		*
		* A KernelCpuUidBpfMapReader instance keeps an error counter. When the number of read errors within
		* that instance accumulates to 5, this instance will reject all further read requests.
		*
		* Data fetched within last 500ms is considered fresh, since the reading lifecycle can take up to
		* 25ms. KernelCpuUidBpfMapReader always tries to use cache if it is fresh and valid, but it can
		* be disabled through a parameter.
		*
		* A KernelCpuUidBpfMapReader instance is thread-safe. It acquires a write lock when reading the bpf
		* map, releases it right after, then acquires a read lock before returning a BpfMapIterator. Caller
		* is responsible for closing BpfMapIterator (also auto-closable) after reading, otherwise deadlock
		* will occur.
		*/
		public abstract class KernelCpuUidBpfMapReader {
		private static final int ERROR_THRESHOLD = 5;
		private static final long FRESHNESS_MS = 500L;

		private static final KernelCpuUidBpfMapReader FREQ_TIME_READER =
		new KernelCpuUidFreqTimeBpfMapReader();

		private static final KernelCpuUidBpfMapReader ACTIVE_TIME_READER =
		new KernelCpuUidActiveTimeBpfMapReader();

		private static final KernelCpuUidBpfMapReader CLUSTER_TIME_READER =
		new KernelCpuUidClusterTimeBpfMapReader();

		static KernelCpuUidBpfMapReader getFreqTimeReaderInstance() {
		return FREQ_TIME_READER;
		}

		static KernelCpuUidBpfMapReader getActiveTimeReaderInstance() {
		return ACTIVE_TIME_READER;
		}

		static KernelCpuUidBpfMapReader getClusterTimeReaderInstance() {
		return CLUSTER_TIME_READER;
		}

		final String mTag = this.getClass().getSimpleName();
		private int mErrors = 0;
		private boolean mTracking = false;
		protected SparseArray<long[]> mData = new SparseArray<>();
		private long mLastReadTime = 0;
		protected final ReentrantReadWriteLock mLock = new ReentrantReadWriteLock();
		protected final ReentrantReadWriteLock.ReadLock mReadLock = mLock.readLock();
		protected final ReentrantReadWriteLock.WriteLock mWriteLock = mLock.writeLock();

		public native boolean startTrackingBpfTimes();

		protected abstract boolean readBpfData();

		/**
		* Returns an array of metadata used to inform the caller of 1) the size of array required by
		* getNextUid and 2) how to interpret the raw data copied to that array.
		*/
		public abstract long[] getDataDimensions();

		public void removeUidsInRange(int startUid, int endUid) {
		if (mErrors > ERROR_THRESHOLD) {
		return;
		}
		mWriteLock.lock();
		int firstIndex = mData.indexOfKey(startUid);
		int lastIndex = mData.indexOfKey(endUid);
		mData.removeAtRange(firstIndex, lastIndex - firstIndex + 1);
		mWriteLock.unlock();
		}

		public BpfMapIterator open() {
		return open(false);
		}

		public BpfMapIterator open(boolean ignoreCache) {
		if (mErrors > ERROR_THRESHOLD) {
		return null;
		}
		if (!mTracking && !startTrackingBpfTimes()) {
		Slog.w(mTag, "Failed to start tracking");
		mErrors++;
		return null;
		}
		if (ignoreCache) {
		mWriteLock.lock();
		} else {
		mReadLock.lock();
		if (dataValid()) {
		return new BpfMapIterator();
		}
		mReadLock.unlock();
		mWriteLock.lock();
		if (dataValid()) {
		mReadLock.lock();
		mWriteLock.unlock();
		return new BpfMapIterator();
		}
		}
		if (readBpfData()) {
		mLastReadTime = SystemClock.elapsedRealtime();
		mReadLock.lock();
		mWriteLock.unlock();
		return new BpfMapIterator();
		}

		mWriteLock.unlock();
		mErrors++;
		Slog.w(mTag, "Failed to read bpf times");
		return null;
		}

		private boolean dataValid() {
		return mData.size() > 0 && (SystemClock.elapsedRealtime() - mLastReadTime < FRESHNESS_MS);
		}

		public class BpfMapIterator implements AutoCloseable {
		private int mPos;

		public BpfMapIterator() {
		};

		public boolean getNextUid(long[] buf) {
		if (mPos >= mData.size()) {
		return false;
		}
		buf[0] = mData.keyAt(mPos);
		System.arraycopy(mData.valueAt(mPos), 0, buf, 1, mData.valueAt(mPos).length);
		mPos++;
		return true;
		}

		public void close() {
		mReadLock.unlock();
		}
		}

		public static class KernelCpuUidFreqTimeBpfMapReader extends KernelCpuUidBpfMapReader {

		private final native boolean removeUidRange(int startUid, int endUid);

		@Override
		protected final native boolean readBpfData();

		@Override
		public final native long[] getDataDimensions();

		@Override
		public void removeUidsInRange(int startUid, int endUid) {
		mWriteLock.lock();
		super.removeUidsInRange(startUid, endUid);
		removeUidRange(startUid, endUid);
		mWriteLock.unlock();
		}
		}

		public static class KernelCpuUidActiveTimeBpfMapReader extends KernelCpuUidBpfMapReader {

		@Override
		protected final native boolean readBpfData();

		@Override
		public final native long[] getDataDimensions();
		}

		public static class KernelCpuUidClusterTimeBpfMapReader extends KernelCpuUidBpfMapReader {

		@Override
		protected final native boolean readBpfData();

		@Override
		public final native long[] getDataDimensions();
		}
		}

core/java/com/android/internal/os/KernelCpuUidTimeReader.java

+264 −91

Original line number	Diff line number	Diff line
		@@ -28,6 +28,7 @@ import android.util.SparseArray;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.os.KernelCpuProcStringReader.ProcFileIterator;
		import com.android.internal.os.KernelCpuUidBpfMapReader.BpfMapIterator;

		import java.io.BufferedReader;
		import java.io.FileWriter;
		@@ -57,6 +58,8 @@ public abstract class KernelCpuUidTimeReader<T> {
		final SparseArray<T> mLastTimes = new SparseArray<>();
		final KernelCpuProcStringReader mReader;
		final boolean mThrottle;
		protected boolean mBpfTimesAvailable;
		final KernelCpuUidBpfMapReader mBpfReader;
		private long mMinTimeBetweenRead = DEFAULT_MIN_TIME_BETWEEN_READ;
		private long mLastReadTimeMs = 0;

		@@ -73,9 +76,15 @@ public abstract class KernelCpuUidTimeReader<T> {
		void onUidCpuTime(int uid, T time);
		}

		KernelCpuUidTimeReader(KernelCpuProcStringReader reader, boolean throttle) {
		KernelCpuUidTimeReader(KernelCpuProcStringReader reader, @Nullable KernelCpuUidBpfMapReader bpfReader, boolean throttle) {
		mReader = reader;
		mThrottle = throttle;
		mBpfReader = bpfReader;
		mBpfTimesAvailable = (mBpfReader != null);
		}

		KernelCpuUidTimeReader(KernelCpuProcStringReader reader, boolean throttle) {
		this(reader, null, throttle);
		}

		/**
		@@ -151,9 +160,13 @@ public abstract class KernelCpuUidTimeReader<T> {
		}
		mLastTimes.put(startUid, null);
		mLastTimes.put(endUid, null);
		final int firstIndex = mLastTimes.indexOfKey(startUid);
		final int lastIndex = mLastTimes.indexOfKey(endUid);
		int firstIndex = mLastTimes.indexOfKey(startUid);
		int lastIndex = mLastTimes.indexOfKey(endUid);
		mLastTimes.removeAtRange(firstIndex, lastIndex - firstIndex + 1);

		if (mBpfTimesAvailable) {
		mBpfReader.removeUidsInRange(startUid, endUid);
		}
		}

		/**
		@@ -323,13 +336,13 @@ public abstract class KernelCpuUidTimeReader<T> {

		public KernelCpuUidFreqTimeReader(boolean throttle) {
		this(UID_TIMES_PROC_FILE, KernelCpuProcStringReader.getFreqTimeReaderInstance(),
		throttle);
		KernelCpuUidBpfMapReader.getFreqTimeReaderInstance(), throttle);
		}

		@VisibleForTesting
		public KernelCpuUidFreqTimeReader(String procFile, KernelCpuProcStringReader reader,
		boolean throttle) {
		super(reader, throttle);
		KernelCpuUidBpfMapReader bpfReader, boolean throttle) {
		super(reader, bpfReader, throttle);
		mProcFilePath = Paths.get(procFile);
		}

		@@ -370,6 +383,10 @@ public abstract class KernelCpuUidTimeReader<T> {
		if (!mAllUidTimesAvailable) {
		return null;
		}
		if (mBpfTimesAvailable) {
		readFreqsThroughBpf();
		}
		if (mCpuFreqs == null) {
		final int oldMask = StrictMode.allowThreadDiskReadsMask();
		try (BufferedReader reader = Files.newBufferedReader(mProcFilePath)) {
		if (readFreqs(reader.readLine()) == null) {
		@@ -384,6 +401,7 @@ public abstract class KernelCpuUidTimeReader<T> {
		} finally {
		StrictMode.setThreadPolicyMask(oldMask);
		}
		}
		// Check if the freqs in the proc file correspond to per-cluster freqs.
		final IntArray numClusterFreqs = extractClusterInfoFromProcFileFreqs();
		final int numClusters = powerProfile.getNumCpuClusters();
		@@ -402,6 +420,21 @@ public abstract class KernelCpuUidTimeReader<T> {
		return mCpuFreqs;
		}

		private long[] readFreqsThroughBpf() {
		if (!mBpfTimesAvailable \|\| mBpfReader == null) {
		return null;
		}
		mCpuFreqs = mBpfReader.getDataDimensions();
		if (mCpuFreqs == null) {
		return null;
		}
		mFreqCount = mCpuFreqs.length;
		mCurTimes = new long[mFreqCount];
		mDeltaTimes = new long[mFreqCount];
		mBuffer = new long[mFreqCount + 1];
		return mCpuFreqs;
		}

		private long[] readFreqs(String line) {
		if (line == null) {
		return null;
		@@ -422,18 +455,7 @@ public abstract class KernelCpuUidTimeReader<T> {
		return mCpuFreqs;
		}

		@Override
		void readDeltaImpl(@Nullable Callback<long[]> cb) {
		try (ProcFileIterator iter = mReader.open(!mThrottle)) {
		if (!checkPrecondition(iter)) {
		return;
		}
		CharBuffer buf;
		while ((buf = iter.nextLine()) != null) {
		if (asLongs(buf, mBuffer) != mBuffer.length) {
		Slog.wtf(mTag, "Invalid line: " + buf.toString());
		continue;
		}
		private void processUidDelta(@Nullable Callback<long[]> cb) {
		final int uid = (int) mBuffer[0];
		long[] lastTimes = mLastTimes.get(uid);
		if (lastTimes == null) {
		@@ -459,11 +481,47 @@ public abstract class KernelCpuUidTimeReader<T> {
		}
		}
		}

		@Override
		void readDeltaImpl(@Nullable Callback<long[]> cb) {
		if (mBpfTimesAvailable) {
		try (BpfMapIterator iter = mBpfReader.open(!mThrottle)) {
		if (checkPrecondition(iter)) {
		while (iter.getNextUid(mBuffer)) {
		processUidDelta(cb);
		}
		return;
		}
		}
		}
		try (ProcFileIterator iter = mReader.open(!mThrottle)) {
		if (!checkPrecondition(iter)) {
		return;
		}
		CharBuffer buf;
		while ((buf = iter.nextLine()) != null) {
		if (asLongs(buf, mBuffer) != mBuffer.length) {
		Slog.wtf(mTag, "Invalid line: " + buf.toString());
		continue;
		}
		processUidDelta(cb);
		}
		}
		}

		@Override
		void readAbsoluteImpl(Callback<long[]> cb) {
		if (mBpfTimesAvailable) {
		try (BpfMapIterator iter = mBpfReader.open(!mThrottle)) {
		if (checkPrecondition(iter)) {
		while (iter.getNextUid(mBuffer)) {
		copyToCurTimes();
		cb.onUidCpuTime((int) mBuffer[0], mCurTimes);
		}
		return;
		}
		}
		}
		try (ProcFileIterator iter = mReader.open(!mThrottle)) {
		if (!checkPrecondition(iter)) {
		return;
		@@ -481,11 +539,24 @@ public abstract class KernelCpuUidTimeReader<T> {
		}

		private void copyToCurTimes() {
		long factor = mBpfTimesAvailable ? 1 : 10;
		for (int i = 0; i < mFreqCount; i++) {
		mCurTimes[i] = mBuffer[i + 1] * 10;
		mCurTimes[i] = mBuffer[i + 1] * factor;
		}
		}

		private boolean checkPrecondition(BpfMapIterator iter) {
		if (iter == null) {
		mBpfTimesAvailable = false;
		return false;
		}
		if (mCpuFreqs != null) {
		return true;
		}
		mBpfTimesAvailable = (readFreqsThroughBpf() != null);
		return mBpfTimesAvailable;
		}

		private boolean checkPrecondition(ProcFileIterator iter) {
		if (iter == null \|\| !iter.hasNextLine()) {
		// Error logged in KernelCpuProcStringReader.
		@@ -544,16 +615,43 @@ public abstract class KernelCpuUidTimeReader<T> {
		private long[] mBuffer;

		public KernelCpuUidActiveTimeReader(boolean throttle) {
		super(KernelCpuProcStringReader.getActiveTimeReaderInstance(), throttle);
		super(KernelCpuProcStringReader.getActiveTimeReaderInstance(),
		KernelCpuUidBpfMapReader.getActiveTimeReaderInstance(), throttle);
		}

		@VisibleForTesting
		public KernelCpuUidActiveTimeReader(KernelCpuProcStringReader reader, boolean throttle) {
		super(reader, throttle);
		public KernelCpuUidActiveTimeReader(KernelCpuProcStringReader reader, KernelCpuUidBpfMapReader bpfReader, boolean throttle) {
		super(reader, bpfReader, throttle);
		}

		private void processUidDelta(@Nullable Callback<Long> cb) {
		int uid = (int) mBuffer[0];
		long cpuActiveTime = sumActiveTime(mBuffer, mBpfTimesAvailable ? 1 : 10);
		if (cpuActiveTime > 0) {
		long delta = cpuActiveTime - mLastTimes.get(uid, 0L);
		if (delta > 0) {
		mLastTimes.put(uid, cpuActiveTime);
		if (cb != null) {
		cb.onUidCpuTime(uid, delta);
		}
		} else if (delta < 0) {
		Slog.e(mTag, "Negative delta from active time proc: " + delta);
		}
		}
		}

		@Override
		void readDeltaImpl(@Nullable Callback<Long> cb) {
		if (mBpfTimesAvailable) {
		try (BpfMapIterator iter = mBpfReader.open(!mThrottle)) {
		if (checkPrecondition(iter)) {
		while (iter.getNextUid(mBuffer)) {
		processUidDelta(cb);
		}
		return;
		}
		}
		}
		try (ProcFileIterator iter = mReader.open(!mThrottle)) {
		if (!checkPrecondition(iter)) {
		return;
		@@ -564,25 +662,30 @@ public abstract class KernelCpuUidTimeReader<T> {
		Slog.wtf(mTag, "Invalid line: " + buf.toString());
		continue;
		}
		int uid = (int) mBuffer[0];
		long cpuActiveTime = sumActiveTime(mBuffer);
		if (cpuActiveTime > 0) {
		long delta = cpuActiveTime - mLastTimes.get(uid, 0L);
		if (delta > 0) {
		mLastTimes.put(uid, cpuActiveTime);
		if (cb != null) {
		cb.onUidCpuTime(uid, delta);
		}
		} else if (delta < 0) {
		Slog.e(mTag, "Negative delta from active time proc: " + delta);
		processUidDelta(cb);
		}
		}
		}

		private void processUidAbsolute(@Nullable Callback<Long> cb) {
		long cpuActiveTime = sumActiveTime(mBuffer, mBpfTimesAvailable ? 1 : 10);
		if (cpuActiveTime > 0) {
		cb.onUidCpuTime((int) mBuffer[0], cpuActiveTime);
		}
		}

		@Override
		void readAbsoluteImpl(Callback<Long> cb) {
		if (mBpfTimesAvailable) {
		try (BpfMapIterator iter = mBpfReader.open(!mThrottle)) {
		if (checkPrecondition(iter)) {
		while (iter.getNextUid(mBuffer)) {
		processUidAbsolute(cb);
		}
		return;
		}
		}
		}
		try (ProcFileIterator iter = mReader.open(!mThrottle)) {
		if (!checkPrecondition(iter)) {
		return;
		@@ -593,23 +696,38 @@ public abstract class KernelCpuUidTimeReader<T> {
		Slog.wtf(mTag, "Invalid line: " + buf.toString());
		continue;
		}
		long cpuActiveTime = sumActiveTime(mBuffer);
		if (cpuActiveTime > 0) {
		cb.onUidCpuTime((int) mBuffer[0], cpuActiveTime);
		}
		processUidAbsolute(cb);
		}
		}
		}

		private static long sumActiveTime(long[] times) {
		private static long sumActiveTime(long[] times, double factor) {
		// UID is stored at times[0].
		double sum = 0;
		for (int i = 1; i < times.length; i++) {
		sum += (double) times[i] * 10 / i; // Unit is 10ms.
		sum += (double) times[i] * factor / i; // Unit is 10ms.
		}
		return (long) sum;
		}

		private boolean checkPrecondition(BpfMapIterator iter) {
		if (iter == null) {
		mBpfTimesAvailable = false;
		return false;
		}
		if (mCores > 0) {
		return true;
		}
		long[] cores = mBpfReader.getDataDimensions();
		if (cores == null \|\| cores.length < 1) {
		mBpfTimesAvailable = false;
		return false;
		}
		mCores = (int) cores[0];
		mBuffer = new long[mCores + 1];
		return true;
		}

		private boolean checkPrecondition(ProcFileIterator iter) {
		if (iter == null \|\| !iter.hasNextLine()) {
		// Error logged in KernelCpuProcStringReader.
		@@ -664,26 +782,17 @@ public abstract class KernelCpuUidTimeReader<T> {
		private long[] mDeltaTime;

		public KernelCpuUidClusterTimeReader(boolean throttle) {
		super(KernelCpuProcStringReader.getClusterTimeReaderInstance(), throttle);
		super(KernelCpuProcStringReader.getClusterTimeReaderInstance(),
		KernelCpuUidBpfMapReader.getClusterTimeReaderInstance(), throttle);
		}

		@VisibleForTesting
		public KernelCpuUidClusterTimeReader(KernelCpuProcStringReader reader, boolean throttle) {
		super(reader, throttle);
		public KernelCpuUidClusterTimeReader(KernelCpuProcStringReader reader,
		KernelCpuUidBpfMapReader bpfReader, boolean throttle) {
		super(reader, bpfReader, throttle);
		}

		@Override
		void readDeltaImpl(@Nullable Callback<long[]> cb) {
		try (ProcFileIterator iter = mReader.open(!mThrottle)) {
		if (!checkPrecondition(iter)) {
		return;
		}
		CharBuffer buf;
		while ((buf = iter.nextLine()) != null) {
		if (asLongs(buf, mBuffer) != mBuffer.length) {
		Slog.wtf(mTag, "Invalid line: " + buf.toString());
		continue;
		}
		void processUidDelta(@Nullable Callback<long[]> cb) {
		int uid = (int) mBuffer[0];
		long[] lastTimes = mLastTimes.get(uid);
		if (lastTimes == null) {
		@@ -708,11 +817,47 @@ public abstract class KernelCpuUidTimeReader<T> {
		}
		}
		}

		@Override
		void readDeltaImpl(@Nullable Callback<long[]> cb) {
		if (mBpfTimesAvailable) {
		try (BpfMapIterator iter = mBpfReader.open(!mThrottle)) {
		if (checkPrecondition(iter)) {
		while (iter.getNextUid(mBuffer)) {
		processUidDelta(cb);
		}
		return;
		}
		}
		}
		try (ProcFileIterator iter = mReader.open(!mThrottle)) {
		if (!checkPrecondition(iter)) {
		return;
		}
		CharBuffer buf;
		while ((buf = iter.nextLine()) != null) {
		if (asLongs(buf, mBuffer) != mBuffer.length) {
		Slog.wtf(mTag, "Invalid line: " + buf.toString());
		continue;
		}
		processUidDelta(cb);
		}
		}
		}

		@Override
		void readAbsoluteImpl(Callback<long[]> cb) {
		if (mBpfTimesAvailable) {
		try (BpfMapIterator iter = mBpfReader.open(!mThrottle)) {
		if (checkPrecondition(iter)) {
		while (iter.getNextUid(mBuffer)) {
		sumClusterTime();
		cb.onUidCpuTime((int) mBuffer[0], mCurTime);
		}
		return;
		}
		}
		}
		try (ProcFileIterator iter = mReader.open(!mThrottle)) {
		if (!checkPrecondition(iter)) {
		return;
		@@ -730,17 +875,45 @@ public abstract class KernelCpuUidTimeReader<T> {
		}

		private void sumClusterTime() {
		double factor = mBpfTimesAvailable ? 1 : 10;
		// UID is stored at mBuffer[0].
		int core = 1;
		for (int i = 0; i < mNumClusters; i++) {
		double sum = 0;
		for (int j = 1; j <= mCoresOnClusters[i]; j++) {
		sum += (double) mBuffer[core++] * 10 / j; // Unit is 10ms.
		sum += (double) mBuffer[core++] * factor / j; // Unit is 10ms.
		}
		mCurTime[i] = (long) sum;
		}
		}

		private boolean checkPrecondition(BpfMapIterator iter) {
		if (iter == null) {
		mBpfTimesAvailable = false;
		return false;
		}
		if (mNumClusters > 0) {
		return true;
		}
		long[] coresOnClusters = mBpfReader.getDataDimensions();
		if (coresOnClusters == null \|\| coresOnClusters.length < 1) {
		mBpfTimesAvailable = false;
		return false;
		}
		mNumClusters = coresOnClusters.length;
		mCoresOnClusters = new int[mNumClusters];
		int cores = 0;
		for (int i = 0; i < mNumClusters; i++) {
		mCoresOnClusters[i] = (int) coresOnClusters[i];
		cores += mCoresOnClusters[i];
		}
		mNumCores = cores;
		mBuffer = new long[cores + 1];
		mCurTime = new long[mNumClusters];
		mDeltaTime = new long[mNumClusters];
		return true;
		}

		private boolean checkPrecondition(ProcFileIterator iter) {
		if (iter == null \|\| !iter.hasNextLine()) {
		// Error logged in KernelCpuProcStringReader.

core/java/com/android/internal/os/KernelSingleUidTimeReader.java

+18 −0

File changed.

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core/jni/Android.bp

+3 −0

Original line number	Diff line number	Diff line
		@@ -207,6 +207,8 @@ cc_library_shared {
		"com_android_internal_os_AtomicDirectory.cpp",
		"com_android_internal_os_ClassLoaderFactory.cpp",
		"com_android_internal_os_FuseAppLoop.cpp",
		"com_android_internal_os_KernelCpuUidBpfMapReader.cpp",
		"com_android_internal_os_KernelSingleUidTimeReader.cpp",
		"com_android_internal_os_Zygote.cpp",
		"com_android_internal_os_ZygoteInit.cpp",
		"com_android_internal_util_VirtualRefBasePtr.cpp",
		@@ -303,6 +305,7 @@ cc_library_shared {
		"libdl",
		"libdl_android",
		"libstatslog",
		"libtimeinstate",
		"server_configurable_flags",
		],

core/jni/AndroidRuntime.cpp

+4 −0

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