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Commit 87c6587e authored by Kevin Han's avatar Kevin Han
Browse files

Add basic dumping to AppHibernationService 

Dump the current hibernation states when the service is dumped.

Bug: 175829330
Test: adb shell dumpsys app_hibernation
Change-Id: I8f0bd18f03b9d762e1f43b96c5cbbee57fa2ab26
parent 6faddabe

services/core/java/com/android/server/apphibernation/AppHibernationService.java

+40 −0
Original line number Diff line number Diff line
@@ -57,10 +57,13 @@ import android.util.SparseArray; 


import com.android.internal.annotations.GuardedBy;

import com.android.internal.annotations.VisibleForTesting;

import com.android.internal.util.DumpUtils;

import com.android.internal.util.IndentingPrintWriter;

import com.android.server.SystemService;



import java.io.File;

import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;
@@ -511,6 +514,37 @@ public final class AppHibernationService extends SystemService { 
        return mIsServiceEnabled;

    }



    private void dump(PrintWriter pw) {

        // Check usage stats permission since hibernation indirectly informs usage.

        if (!DumpUtils.checkDumpAndUsageStatsPermission(getContext(), TAG, pw)) return;



        IndentingPrintWriter idpw = new IndentingPrintWriter(pw, "  ");



        synchronized (mLock) {

            final int userCount = mUserStates.size();

            for (int i = 0; i < userCount; i++) {

                final int userId = mUserStates.keyAt(i);

                idpw.print("User Level Hibernation States, ");

                idpw.printPair("user", userId);

                idpw.println();

                Map<String, UserLevelState> stateMap = mUserStates.get(i);

                idpw.increaseIndent();

                for (UserLevelState state : stateMap.values()) {

                    idpw.print(state);

                    idpw.println();

                }

                idpw.decreaseIndent();

            }

            idpw.println();

            idpw.print("Global Level Hibernation States");

            idpw.println();

            for (GlobalLevelState state : mGlobalHibernationStates.values()) {

                idpw.print(state);

                idpw.println();

            }

        }

    }



    private final AppHibernationServiceStub mServiceStub = new AppHibernationServiceStub(this);



    static final class AppHibernationServiceStub extends IAppHibernationService.Stub {
@@ -547,6 +581,12 @@ public final class AppHibernationService extends SystemService { 
            new AppHibernationShellCommand(mService).exec(this, in, out, err, args, callback,

                    resultReceiver);

        }



        @Override

        protected void dump(@NonNull FileDescriptor fd, @NonNull PrintWriter fout,

                @Nullable String[] args) {

            mService.dump(fout);

        }

    }



    // Broadcast receiver for package add/removal events

services/core/java/com/android/server/apphibernation/GlobalLevelState.java

+8 −0
Original line number Diff line number Diff line
@@ -22,4 +22,12 @@ package com.android.server.apphibernation; 
final class GlobalLevelState {

    public String packageName;

    public boolean hibernated;



    @Override

    public String toString() {

        return "GlobalLevelState{"

                + "packageName='" + packageName + '\''

                + ", hibernated=" + hibernated

                + '}';

    }

}

services/core/java/com/android/server/apphibernation/UserLevelState.java

+8 −0
Original line number Diff line number Diff line
@@ -22,4 +22,12 @@ package com.android.server.apphibernation; 
final class UserLevelState {

    public String packageName;

    public boolean hibernated;



    @Override

    public String toString() {

        return "UserLevelState{"

                + "packageName='" + packageName + '\''

                + ", hibernated=" + hibernated

                + '}';

    }

}