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Commit 2257285a authored by Calin Juravle's avatar Calin Juravle Committed by Android (Google) Code Review
Browse files

Merge "Move DexLoadReporter out of LoadedApk"

parents 2bd3c49e 37dfc8ee

core/java/android/app/ActivityThread.java

+11 −0
Original line number Diff line number Diff line
@@ -149,6 +149,7 @@ import libcore.io.DropBox; 
import libcore.io.EventLogger;

import libcore.io.IoUtils;

import libcore.net.event.NetworkEventDispatcher;

import dalvik.system.BaseDexClassLoader;

import dalvik.system.CloseGuard;

import dalvik.system.VMDebug;

import dalvik.system.VMRuntime;
@@ -5571,6 +5572,16 @@ public final class ActivityThread { 
            }

        }



        // If we use profiles, setup the dex reporter to notify package manager

        // of any relevant dex loads. The idle maintenance job will use the information

        // reported to optimize the loaded dex files.

        // Note that we only need one global reporter per app.

        // Make sure we do this before calling onCreate so that we can capture the

        // complete application startup.

        if (SystemProperties.getBoolean("dalvik.vm.usejitprofiles", false)) {

            BaseDexClassLoader.setReporter(DexLoadReporter.INSTANCE);

        }



        // Install the Network Security Config Provider. This must happen before the application

        // code is loaded to prevent issues with instances of TLS objects being created before

        // the provider is installed.

core/java/android/app/DexLoadReporter.java

0 → 100644
+57 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2017 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 android.app;



import android.os.RemoteException;

import android.util.Slog;



import dalvik.system.BaseDexClassLoader;

import dalvik.system.VMRuntime;



import java.util.List;



/**

 * A dex load reporter which will notify package manager of any dex file loaded

 * with {@code BaseDexClassLoader}.

 * The goals are:

 *     1) discover secondary dex files so that they can be optimized during the

 *        idle maintenance job.

 *     2) determine whether or not a dex file is used by an app which does not

 *        own it (in order to select the optimal compilation method).

 * @hide

 */

/*package*/ class DexLoadReporter implements BaseDexClassLoader.Reporter {

    private static final String TAG = "DexLoadReporter";



    /*package*/ static final DexLoadReporter INSTANCE = new DexLoadReporter();



    private DexLoadReporter() {}



    @Override

    public void report(List<String> dexPaths) {

        if (dexPaths.isEmpty()) {

            return;

        }

        String packageName = ActivityThread.currentPackageName();

        try {

            ActivityThread.getPackageManager().notifyDexLoad(

                    packageName, dexPaths, VMRuntime.getRuntime().vmInstructionSet());

        } catch (RemoteException re) {

            Slog.e(TAG, "Failed to notify PM about dex load for package " + packageName, re);

        }

    }

}

core/java/android/app/LoadedApk.java

+0 −35
Original line number Diff line number Diff line
@@ -55,7 +55,6 @@ import android.view.DisplayAdjustments; 


import com.android.internal.util.ArrayUtils;



import dalvik.system.BaseDexClassLoader;

import dalvik.system.VMRuntime;



import java.io.File;
@@ -751,40 +750,6 @@ public final class LoadedApk { 


        VMRuntime.registerAppInfo(profileFile.getPath(),

                codePaths.toArray(new String[codePaths.size()]));



        // Setup the reporter to notify package manager of any relevant dex loads.

        // At this point the primary apk is loaded and will not be reported.

        // Anything loaded from now on will be tracked as a potential secondary

        // or foreign dex file. The goal is to enable:

        //    1) monitoring and compilation of secondary dex file

        //    2) track whether or not a dex file is used by other apps (used to

        //       determined the compilation filter of apks).

        if (BaseDexClassLoader.getReporter() != DexLoadReporter.INSTANCE) {

            // Set the dex load reporter if not already set.

            // Note that during the app's life cycle different LoadedApks may be

            // created and loaded (e.g. if two different apps share the same runtime).

            BaseDexClassLoader.setReporter(DexLoadReporter.INSTANCE);

        }

    }



    private static class DexLoadReporter implements BaseDexClassLoader.Reporter {

        private static final DexLoadReporter INSTANCE = new DexLoadReporter();



        private DexLoadReporter() {}



        @Override

        public void report(List<String> dexPaths) {

            if (dexPaths.isEmpty()) {

                return;

            }

            String packageName = ActivityThread.currentPackageName();

            try {

                ActivityThread.getPackageManager().notifyDexLoad(

                        packageName, dexPaths, VMRuntime.getRuntime().vmInstructionSet());

            } catch (RemoteException re) {

                Slog.e(TAG, "Failed to notify PM about dex load for package " + packageName, re);

            }

        }

    }



    /**