[Android] consommation memoire dans mon app

**sinzen** · 08/12/2016, 15h33

Bonjour à tous,

Premièrement suite au développement d'une application mobile avec le framework Android

je rencontre un souci dans la consommation de memoire de celle-ci

dans Android studio le moniteur m'affiche 2 MB de libre et 12MB en utilisation constante

ce qui fait que j'ai un joli message de mon device android:

"application energivore"

vous auriez une idée pour optimiser cela?

Merci pour vos réaction.

**Pill_S** · 08/12/2016, 15h44

En vrac:

- libérer les ressources dès qu'on en a plus besoin
- limiter le nombre de champs de classe, limiter la durée de vie des objets
- ne pas laisser de threads tourner dans le vide

Ah et j'aurais du le mettre en premier: utiliser un profileur pour essayer de comprendre où sont perdus les ressources, combien de threads tournent en même temps, où le temps d'exécution est passé, etc. enfin bref, la base du profiling

**sinzen** · 08/12/2016, 15h57

Bonjour Pill_S,

Merci pour ta réponse..

pour commencer j'utilise un service et le thread principale uniquement

et au démarrage de l'application je me retrouve avec 12MB de memoire en utilisation avant même de démarrer mon service

Après démarrage du service et des objets la consommation de mémoire varie de 1MB à 2 MB.

et oui j'ai des objet qui persiste car l'accès a la BDD sqlite est très gourmande également

de fait j'ai recourt a des objet car pas de framework Hibernate sous Android

il y aurai pas tout les outils nécessaire dans Android Studio?

si non lequel me serait utile pour les profiling ?

merci pour vos réaction.

**Pill_S** · 08/12/2016, 17h01

Envoyé par sinzen

pour commencer j'utilise un service et le thread principale uniquement

alors justement, ce genre de choses est impossible à savoir sans profileur. Tu penses n'utiliser qu'un seul thread, mais beaucoup d'API peuvent en utiliser sans même que tu ne t'en rendes comptes. Donc:

- Profileur: JProfiler, cher mais avec une version de démo, c'est à mon sens le meilleur profileur Java disponible

Et après, bon courage pour l'interprétation des résultats

**sinzen** · 08/12/2016, 23h34

Bonsoir Pill_S,

merci pour ta réponse.

j'ai comme tu l'a fait remarquer un nombre important de thread
en voici le nombre: Threads Live: 34 Threads Daemon: 17

pour infos j'utilise VisualVM

Merci pour vos réactions..

et voici le Thread Dump:

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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2016-12-08 23:31:32
Full thread dump OpenJDK 64-Bit Server VM (25.112-b05 mixed mode):
 
"JobScheduler FJ pool 0/4" #323 daemon prio=6 os_prio=31 tid=0x00007f90abe8f000 nid=0x12e3f waiting on condition [0x0000700012c57000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000007891c31e8> (a jsr166e.ForkJoinPool)
        at jsr166e.ForkJoinPool.awaitWork(ForkJoinPool.java:1756)
        at jsr166e.ForkJoinPool.scan(ForkJoinPool.java:1694)
        at jsr166e.ForkJoinPool.runWorker(ForkJoinPool.java:1642)
        at jsr166e.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:108)
 
   Locked ownable synchronizers:
        - None
 
"RMI TCP Connection(12)-127.0.0.1" #315 daemon prio=9 os_prio=31 tid=0x00007f90abdfa800 nid=0x15c1f runnable [0x000070001202f000]
   java.lang.Thread.State: RUNNABLE
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
        at java.net.SocketInputStream.read(SocketInputStream.java:170)
        at java.net.SocketInputStream.read(SocketInputStream.java:141)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:265)
        - locked <0x00000007761d82f8> (a java.io.BufferedInputStream)
        at java.io.FilterInputStream.read(FilterInputStream.java:83)
        at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:550)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$$Lambda$48/1065589118.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - <0x00000007761d8438> (a java.util.concurrent.ThreadPoolExecutor$Worker)
 
"RMI TCP Connection(11)-127.0.0.1" #301 daemon prio=9 os_prio=31 tid=0x00007f90a5739000 nid=0x9347 runnable [0x0000700012b53000]
   java.lang.Thread.State: RUNNABLE
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
        at java.net.SocketInputStream.read(SocketInputStream.java:170)
        at java.net.SocketInputStream.read(SocketInputStream.java:141)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:265)
        - locked <0x000000077628ddc8> (a java.io.BufferedInputStream)
        at java.io.FilterInputStream.read(FilterInputStream.java:83)
        at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:550)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$$Lambda$48/1065589118.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - <0x000000077628dfb0> (a java.util.concurrent.ThreadPoolExecutor$Worker)
 
"RMI TCP Connection(idle)" #300 daemon prio=9 os_prio=31 tid=0x00007f90acdb4800 nid=0x15d83 waiting on condition [0x0000700012339000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x0000000784fc11e0> (a java.util.concurrent.SynchronousQueue$TransferStack)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"JMX server connection timeout 296" #296 daemon prio=9 os_prio=31 tid=0x00007f90a9326800 nid=0x14b9b in Object.wait() [0x000070001243c000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:168)
        - locked <0x0000000776124420> (a [I)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"ApplicationImpl pooled thread 36" #288 prio=4 os_prio=31 tid=0x00007f90ac01c800 nid=0xf76f waiting on condition [0x0000700012236000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x0000000784e366b8> (a java.util.concurrent.SynchronousQueue$TransferStack)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"ApplicationImpl pooled thread 35" #273 prio=4 os_prio=31 tid=0x00007f90abf37800 nid=0x8603 waiting on condition [0x00007000125c2000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x0000000784e366b8> (a java.util.concurrent.SynchronousQueue$TransferStack)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"ApplicationImpl pooled thread 32" #240 prio=4 os_prio=31 tid=0x00007f90a50fd800 nid=0x14deb waiting on condition [0x0000700012748000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x0000000784e366b8> (a java.util.concurrent.SynchronousQueue$TransferStack)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
        at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
        at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1066)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"logcat-huawei-ale_l21-W3D7N16109009366" #92 prio=5 os_prio=31 tid=0x00007f90a5275000 nid=0x16a73 sleeping[0x0000700013269000]
   java.lang.Thread.State: TIMED_WAITING (sleeping)
        at java.lang.Thread.sleep(Native Method)
        at com.android.ddmlib.AdbHelper.executeRemoteCommand(AdbHelper.java:506)
        at com.android.ddmlib.AdbHelper.executeRemoteCommand(AdbHelper.java:382)
        at com.android.ddmlib.Device.executeShellCommand(Device.java:617)
        at org.jetbrains.android.util.AndroidUtils.executeCommandOnDevice(AndroidUtils.java:313)
        at com.android.tools.idea.logcat.AndroidLogcatService.lambda$startReceiving$391(AndroidLogcatService.java:116)
        at com.android.tools.idea.logcat.AndroidLogcatService$$Lambda$142/176883251.run(Unknown Source)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - <0x0000000785a19a78> (a java.util.concurrent.ThreadPoolExecutor$Worker)
 
"Device Client Monitor" #90 prio=4 os_prio=31 tid=0x00007f90a6932800 nid=0x16313 runnable [0x0000700013db5000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method)
        at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:198)
        at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:117)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        - locked <0x000000078625fd88> (a sun.nio.ch.Util$3)
        - locked <0x000000078625fda0> (a java.util.Collections$UnmodifiableSet)
        - locked <0x00000007863af7e8> (a sun.nio.ch.KQueueSelectorImpl)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at com.android.ddmlib.DeviceMonitor.deviceClientMonitorLoop(DeviceMonitor.java:334)
        at com.android.ddmlib.DeviceMonitor.access$100(DeviceMonitor.java:65)
        at com.android.ddmlib.DeviceMonitor$1.run(DeviceMonitor.java:326)
 
   Locked ownable synchronizers:
        - None
 
"Device List Monitor" #89 prio=4 os_prio=31 tid=0x00007f90ad179800 nid=0x16513 runnable [0x0000700013cb2000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
        at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
        at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
        at sun.nio.ch.IOUtil.read(IOUtil.java:197)
        at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380)
        - locked <0x00000007862d3fb0> (a java.lang.Object)
        at com.android.ddmlib.DeviceMonitor.read(DeviceMonitor.java:633)
        at com.android.ddmlib.DeviceMonitor.readLength(DeviceMonitor.java:606)
        at com.android.ddmlib.DeviceMonitor.access$600(DeviceMonitor.java:65)
        at com.android.ddmlib.DeviceMonitor$DeviceListMonitorTask.run(DeviceMonitor.java:777)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"Monitor" #83 prio=4 os_prio=31 tid=0x00007f90acb75000 nid=0x15e87 runnable [0x0000700013baf000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method)
        at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:198)
        at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:117)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        - locked <0x0000000789650350> (a sun.nio.ch.Util$3)
        - locked <0x0000000789650368> (a java.util.Collections$UnmodifiableSet)
        - locked <0x0000000788f38460> (a sun.nio.ch.KQueueSelectorImpl)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at com.android.ddmlib.MonitorThread.run(MonitorThread.java:233)
 
   Locked ownable synchronizers:
        - None
 
"Timer-0" #50 daemon prio=6 os_prio=31 tid=0x00007f90ac7f5000 nid=0x14513 in Object.wait() [0x000070001294e000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at java.util.TimerThread.mainLoop(Timer.java:526)
        - locked <0x0000000785425628> (a java.util.TaskQueue)
        at java.util.TimerThread.run(Timer.java:505)
 
   Locked ownable synchronizers:
        - None
 
"TimerQueue" #49 daemon prio=5 os_prio=31 tid=0x00007f90abe71800 nid=0x14017 runnable [0x000070001284b000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x00000007862f8c18> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.DelayQueue.take(DelayQueue.java:223)
        at javax.swing.TimerQueue.run(TimerQueue.java:174)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - <0x0000000787951508> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
 
"RMI Scheduler(0)" #42 daemon prio=9 os_prio=31 tid=0x00007f90ac534000 nid=0x1307 waiting on condition [0x0000700011f2d000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x0000000785786d60> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"RMI TCP Accept-0" #40 daemon prio=9 os_prio=31 tid=0x00007f90ac515000 nid=0x1366b runnable [0x0000700011e2a000]
   java.lang.Thread.State: RUNNABLE
        at java.net.PlainSocketImpl.socketAccept(Native Method)
        at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:409)
        at java.net.ServerSocket.implAccept(ServerSocket.java:545)
        at java.net.ServerSocket.accept(ServerSocket.java:513)
        at sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:52)
        at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:400)
        at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:372)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"Netty threadDeathWatcher-2-1" #39 daemon prio=1 os_prio=31 tid=0x00007f90a667b800 nid=0x10e6b waiting on condition [0x0000700011818000]
   java.lang.Thread.State: TIMED_WAITING (sleeping)
        at java.lang.Thread.sleep(Native Method)
        at io.netty.util.ThreadDeathWatcher$Watcher.run(ThreadDeathWatcher.java:147)
        at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:145)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"Attach Listener" #38 daemon prio=9 os_prio=31 tid=0x00007f90ac520000 nid=0x13953 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
 
   Locked ownable synchronizers:
        - None
 
"Netty Builtin Server 2" #32 prio=4 os_prio=31 tid=0x00007f90ab953000 nid=0x13017 runnable [0x0000700011d27000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method)
        at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:198)
        at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:117)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        - locked <0x000000078521f310> (a io.netty.channel.nio.SelectedSelectionKeySet)
        - locked <0x0000000785759d68> (a java.util.Collections$UnmodifiableSet)
        - locked <0x0000000786515868> (a sun.nio.ch.KQueueSelectorImpl)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:638)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:324)
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:742)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"google-logs-pool-0" #31 daemon prio=5 os_prio=31 tid=0x00007f90a6dbb000 nid=0x12f2b waiting on condition [0x0000700011c24000]
   java.lang.Thread.State: WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x0000000784d77738> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.util.concurrent.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:492)
        at java.util.concurrent.LinkedBlockingDeque.take(LinkedBlockingDeque.java:680)
        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"BaseDataReader: error stream of fsnotifier" #28 prio=4 os_prio=31 tid=0x00007f90a962c000 nid=0x6ef runnable [0x00007000112de000]
   java.lang.Thread.State: RUNNABLE
        at java.io.FileInputStream.readBytes(Native Method)
        at java.io.FileInputStream.read(FileInputStream.java:255)
        at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
        - locked <0x00000007874a0b80> (a java.lang.UNIXProcess$ProcessPipeInputStream)
        at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
        at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
        - locked <0x00000007874e88e0> (a com.intellij.util.io.BaseInputStreamReader)
        at java.io.InputStreamReader.read(InputStreamReader.java:184)
        at java.io.Reader.read(Reader.java:140)
        at com.intellij.util.io.BaseOutputReader.readAvailableBlocking(BaseOutputReader.java:100)
        at com.intellij.util.io.BaseOutputReader.readAvailable(BaseOutputReader.java:152)
        at com.intellij.util.io.BaseDataReader.doRun(BaseDataReader.java:130)
        at com.intellij.util.io.BaseDataReader$1.run(BaseDataReader.java:61)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - <0x0000000787507af0> (a java.util.concurrent.ThreadPoolExecutor$Worker)
 
"AWT-EventQueue-0 2.2#AI-145.3537739 Studio, eap:false, os:Mac OS X 10.12.1, java-version:JetBrains s.r.o 1.8.0_112-release-b05" #26 prio=6 os_prio=31 tid=0x00007f90a5e25000 nid=0x11387 waiting on condition [0x000070001191b000]
   java.lang.Thread.State: WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x000000078693cfb0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
        at java.awt.EventQueue.getNextEvent(EventQueue.java:554)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:170)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
 
   Locked ownable synchronizers:
        - None
 
"AWT-Shutdown" #27 prio=5 os_prio=31 tid=0x00007f90a5e16000 nid=0x7bff in Object.wait() [0x0000700010ecf000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at sun.awt.AWTAutoShutdown.run(AWTAutoShutdown.java:295)
        - locked <0x000000078694cf10> (a java.lang.Object)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"ProcessWaitFor: fsnotifier" #23 prio=4 os_prio=31 tid=0x00007f90a66ed000 nid=0x10c03 in Object.wait() [0x0000700011715000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0x00000007874c78a8> (a java.lang.UNIXProcess)
        at java.lang.Object.wait(Object.java:502)
        at java.lang.UNIXProcess.waitFor(UNIXProcess.java:395)
        - locked <0x00000007874c78a8> (a java.lang.UNIXProcess)
        at com.intellij.execution.process.ProcessWaitFor$1.run(ProcessWaitFor.java:50)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - <0x0000000785322340> (a java.util.concurrent.ThreadPoolExecutor$Worker)
 
"process reaper" #22 daemon prio=10 os_prio=31 tid=0x00007f90a5d25000 nid=0x10a0b runnable [0x0000700011612000]
   java.lang.Thread.State: RUNNABLE
        at java.lang.UNIXProcess.waitForProcessExit(Native Method)
        at java.lang.UNIXProcess.lambda$initStreams$3(UNIXProcess.java:289)
        at java.lang.UNIXProcess$$Lambda$14/1107365809.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - <0x0000000784dc18c0> (a java.util.concurrent.ThreadPoolExecutor$Worker)
 
"BaseDataReader: output stream of fsnotifier" #21 prio=4 os_prio=31 tid=0x00007f90a5db1000 nid=0x1051b runnable [0x00007000115e7000]
   java.lang.Thread.State: RUNNABLE
        at java.io.FileInputStream.readBytes(Native Method)
        at java.io.FileInputStream.read(FileInputStream.java:255)
        at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
        - locked <0x00000007874a0ba8> (a java.lang.UNIXProcess$ProcessPipeInputStream)
        at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
        at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
        - locked <0x00000007874e8960> (a com.intellij.util.io.BaseInputStreamReader)
        at java.io.InputStreamReader.read(InputStreamReader.java:184)
        at java.io.Reader.read(Reader.java:140)
        at com.intellij.util.io.BaseOutputReader.readAvailableBlocking(BaseOutputReader.java:100)
        at com.intellij.util.io.BaseOutputReader.readAvailable(BaseOutputReader.java:152)
        at com.intellij.util.io.BaseDataReader.doRun(BaseDataReader.java:130)
        at com.intellij.util.io.BaseDataReader$1.run(BaseDataReader.java:61)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - <0x0000000784dc18f0> (a java.util.concurrent.ThreadPoolExecutor$Worker)
 
"Periodic tasks thread" #20 prio=5 os_prio=31 tid=0x00007f90a6666800 nid=0xfd2f runnable [0x00007000114e4000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  <0x0000000784da6280> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
        at java.util.concurrent.DelayQueue.take(DelayQueue.java:223)
        at com.intellij.util.concurrency.AppDelayQueue$1.run(AppDelayQueue.java:41)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"Netty Builtin Server 1" #17 prio=5 os_prio=31 tid=0x00007f90a6666000 nid=0xf54b runnable [0x00007000113e1000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method)
        at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:198)
        at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:117)
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        - locked <0x0000000785851938> (a io.netty.channel.nio.SelectedSelectionKeySet)
        - locked <0x0000000784e366e8> (a java.util.Collections$UnmodifiableSet)
        - locked <0x0000000786e64fc8> (a sun.nio.ch.KQueueSelectorImpl)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:638)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:324)
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:742)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"DestroyJavaVM" #15 prio=5 os_prio=31 tid=0x00007f90a659f000 nid=0x2503 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
 
   Locked ownable synchronizers:
        - None
 
"Java2D Disposer" #13 daemon prio=10 os_prio=31 tid=0x00007f90a5c9b800 nid=0xd70b in Object.wait() [0x00007000111db000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
        - locked <0x000000078694cf28> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
        at sun.java2d.Disposer.run(Disposer.java:148)
        at java.lang.Thread.run(Thread.java:745)
 
   Locked ownable synchronizers:
        - None
 
"Java2D Queue Flusher" #12 daemon prio=10 os_prio=31 tid=0x00007f90a6515800 nid=0xbf27 in Object.wait() [0x00007000110d8000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at sun.java2d.opengl.OGLRenderQueue$QueueFlusher.run(OGLRenderQueue.java:203)
        - locked <0x0000000784e2aed0> (a sun.java2d.opengl.OGLRenderQueue$QueueFlusher)
 
   Locked ownable synchronizers:
        - None
 
"AWT-AppKit" #10 daemon prio=5 os_prio=31 tid=0x00007f90a68f8000 nid=0x307 runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
 
   Locked ownable synchronizers:
        - None
 
"Service Thread" #9 daemon prio=9 os_prio=31 tid=0x00007f90a5009000 nid=0x5103 runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
 
   Locked ownable synchronizers:
        - None
 
"C1 CompilerThread2" #8 daemon prio=9 os_prio=31 tid=0x00007f90a581f800 nid=0x4f03 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
 
   Locked ownable synchronizers:
        - None
 
"C2 CompilerThread1" #7 daemon prio=9 os_prio=31 tid=0x00007f90a581f000 nid=0x4d03 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
 
   Locked ownable synchronizers:
        - None
 
"C2 CompilerThread0" #6 daemon prio=9 os_prio=31 tid=0x00007f90a6096000 nid=0x4b03 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
 
   Locked ownable synchronizers:
        - None
 
"Signal Dispatcher" #5 daemon prio=9 os_prio=31 tid=0x00007f90a6095000 nid=0x4903 runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
 
   Locked ownable synchronizers:
        - None
 
"Surrogate Locker Thread (Concurrent GC)" #4 daemon prio=9 os_prio=31 tid=0x00007f90a60a0000 nid=0x4603 waiting on condition [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE
 
   Locked ownable synchronizers:
        - None
 
"Finalizer" #3 daemon prio=8 os_prio=31 tid=0x00007f90a607f000 nid=0x4203 in Object.wait() [0x00007000106b7000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
        - locked <0x0000000785759348> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
 
   Locked ownable synchronizers:
        - None
 
"Reference Handler" #2 daemon prio=10 os_prio=31 tid=0x00007f90a607c000 nid=0x4003 in Object.wait() [0x00007000105b4000]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at java.lang.ref.Reference.tryHandlePending(Reference.java:191)
        - locked <0x0000000785759378> (a java.lang.ref.Reference$Lock)
        at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)
 
   Locked ownable synchronizers:
        - None
 
"VM Thread" os_prio=31 tid=0x00007f90a5840800 nid=0x3e03 runnable 
 
"Gang worker#0 (Parallel GC Threads)" os_prio=31 tid=0x00007f90a600e800 nid=0x3403 runnable 
 
"Gang worker#1 (Parallel GC Threads)" os_prio=31 tid=0x00007f90a601f800 nid=0x3603 runnable 
 
"Gang worker#2 (Parallel GC Threads)" os_prio=31 tid=0x00007f90a5813800 nid=0x3803 runnable 
 
"Gang worker#3 (Parallel GC Threads)" os_prio=31 tid=0x00007f90a6020000 nid=0x3a03 runnable 
 
"Concurrent Mark-Sweep GC Thread" os_prio=31 tid=0x00007f90a6057000 nid=0x3c03 runnable 
 
"VM Periodic Task Thread" os_prio=31 tid=0x00007f90a5001000 nid=0x5303 waiting on condition 
 
JNI global references: 1810

**grunk** · 09/12/2016, 08h37

Premièrement , 12Mo de ram pour une appli c'est pas fou , surtout maintenant qu'on à des écrans avec de grosse résolutions.

Ensuite il faudrait nous en dire un peu plus sur ton application.

Que fait elle ? Gère t'elle des images ? As tu vérifier les fuites mémoires ?

Pour profiler android studio propose des outils de base via le Android Device Monitor (Tools => Android) tu peux lister les thread , faire des dump mémoire etc ...

Tu semble utiliser Netty pour gérer tes socket , il faut peut être commencer par là. C'est un gros framework pas forcément optimisé pour android

**sinzen** · 09/12/2016, 09h11

Bonjour Grunk,

Merci pour ta réaction.

Mon application gère la géo-localisation de certains site dit public. J'utilise une base de données sqlite que je rempli via un web service. Ensuite je démarre un scan j'espère latitude et longitude une ne fait que une requête sql au démarrage du scan des positions de l'utilisateur. J'utilise donc des objets au lieu de faire à chaque comparaison un requête sqlite.

Qu'est ce que netty ?

Et non je ne gère aucune image dans mon application.

J'ai ajouté une ligne dans mon manifest XML.. Et je n'ai plus ce message de consommation énergétique. Sur mon service j'ai mentionné le mot clé optimize.. Une idée du but de ce mot clé ?

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

android:process=":optimize"

Merci pour vos réactions.

**grunk** · 09/12/2016, 11h04

Netty apparaissait dans ton thread dump , c'est donc que ce n'était pas un dump de ton application uniquement.

Sinon l'alerte que tu as n'a rien a voir avec la mémoire mais plutôt la consommation de la batterie et clairement ça vient de la récupération de coordonnées GPS.

**sinzen** · 09/12/2016, 11h08

Edit : j'ai ajouté un alarme manager et maintenant mon service tourne quand le téléphone est en veille.

Merci pour ta réaction..

j'ai un autre souci en fait..
mon application démarre un service
mais après un certains temp il s'arrête
d'ou la non utilité d'un service

aurais tu une idée de ce coté?

merci d'avance

**sinzen** · 11/12/2016, 10h50

Pour localiser l'utilisateur je fait une mesure toute les 6 seconde. Je le fais principalement pour les test. Il y a un moyen de faire cette mesure sans avoir ce message de consommation énergétique ?
Si j'augmente l'intervalle ça ne vas pas tout simplement retarder le message de confirmation énergétique et pas le supprimer ?

Merci pour vos réactions.

**hotcryx** · 12/12/2016, 11h27

Si tu utilises d'autres FW dans ton applic Android, va savoir comment est pondu le FW! (parfois ça fait peur)

Si la db est gourmante => revois cette partie.

A mon avis tu dois avoir des services qui tournent constamment, hors les services devraient s'activer et se stopper rapidement.
Sont-ils bien stoppés?

**sinzen** · 12/12/2016, 12h09

Bonjour hotcryx,

Merci pour ta réaction.
En effet mon service continue à même quand je suis en veille

que veux signifie le terme FW ?

Et aussi si le service s'arrête quand est-ce que je le relance dans le cas d'une géo-localisation ?

Merci pour vos réactions.

**hotcryx** · 12/12/2016, 12h38

par FW je pense aux applications cross-plateformes (même application pour Android, Iphone...) => 1 seul développement.
Bien que ce soit bien pensé, ça reste relativement lourd puisque ce n'est pas du développement natif.

Il y a différents types de services.
Certains que tu dois démarrer (écouter) et stopper.
D'autres qui ne nécessite aucun start/stop => je préfère ceux là.

Regarde comment développer un IntentService

**sinzen** · 12/12/2016, 16h34

Merci pour ta réaction hotcryx.
De mon. Côté c'est un service que je dois implémenter et pas un intent service
Car dans mon service j'utilise la géo-localisation
Ce qui n'est pas possible dans l'autre cas ( intent service)

Peux m'en dire plus sur les services dont tu fais référence et leur fonctionnement ?

Merci pour vos réactions.

**hotcryx** · 12/12/2016, 16h46

Regarde les tutos sur le site, c'est très bien fait.

**sinzen** · 12/12/2016, 18h39

Merci pour ta réaction hotcryx.

Les local service sont lancer dans le thread principale à la différence du remote service qui peux continuer à tourner même quand sont activités est stopper.

Dans mon cas j'utilise quel service ?
J'ai pas compris dans quel Type de service il est démarrer et stopper dont tu a fait référence ? Je continue à consulter les tutoriels en espérant résoudre mon souci de consommation énergétique..

Merci pour vos réactions.

**sinzen** · 17/12/2016, 15h23

Bonjour,

Toujours concernant mon service sous Android
J'ai implémenter un remote service
Ma question est la suivante
Est ce que je doit stopper le service à chaque fois où il se stop tous seul ?
Merci pour vos réactions.

[Android] consommation memoire dans mon app

Android

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