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Commit 23fb6e84 authored by Dianne Hackborn's avatar Dianne Hackborn
Browse files

Start adding IPC calls to retrieve proc stat data. 

Also fix a bug where we were not correctly unparcelling service
duration data.

Change-Id: Ie9113b2e3a747622441b1939ffc45edb5803a10f
parent 57e76b40

Android.mk

+1 −0
Original line number Diff line number Diff line
@@ -197,6 +197,7 @@ LOCAL_SRC_FILES += \ 
	core/java/com/android/internal/app/IAppOpsCallback.aidl \

	core/java/com/android/internal/app/IAppOpsService.aidl \

	core/java/com/android/internal/app/IBatteryStats.aidl \

	core/java/com/android/internal/app/IProcessStats.aidl \

	core/java/com/android/internal/app/IUsageStats.aidl \

	core/java/com/android/internal/app/IMediaContainerService.aidl \

	core/java/com/android/internal/appwidget/IAppWidgetService.aidl \

core/java/com/android/internal/app/IProcessStats.aidl

0 → 100644
+25 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2013 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.app;



import android.content.ComponentName;

import android.os.ParcelFileDescriptor;

import com.android.internal.app.ProcessStats;



interface IProcessStats {

    byte[] getCurrentStats(out List<ParcelFileDescriptor> historic);

}

core/java/com/android/internal/app/ProcessStats.aidl

0 → 100644
+19 −0
Original line number Diff line number Diff line 
/*

** Copyright 2013, 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.app;



parcelable ProcessStats;

services/java/com/android/internal/app/ProcessStats.java

+26 −2
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
package com.android.internal.app;



import android.os.Parcel;

import android.os.Parcelable;

import android.os.SystemClock;

import android.os.SystemProperties;

import android.os.UserHandle;
@@ -38,7 +39,7 @@ import java.util.Collections; 
import java.util.Comparator;

import java.util.Objects;



final public class ProcessStats {

final public class ProcessStats implements Parcelable {

    static final String TAG = "ProcessStats";

    static final boolean DEBUG = false;
@@ -198,6 +199,22 @@ final public class ProcessStats { 
        reset();

    }



    public ProcessStats(Parcel in) {

        reset();

        readFromParcel(in);

    }



    public static final Parcelable.Creator<ProcessStats> CREATOR

            = new Parcelable.Creator<ProcessStats>() {

        public ProcessStats createFromParcel(Parcel in) {

            return new ProcessStats(in);

        }



        public ProcessStats[] newArray(int size) {

            return new ProcessStats[size];

        }

    };



    static private void printScreenLabel(PrintWriter pw, int offset) {

        switch (offset) {

            case ADJ_NOTHING:
@@ -947,7 +964,13 @@ final public class ProcessStats { 
        return table;

    }



    public void writeToParcel(Parcel out) {

    @Override

    public int describeContents() {

        return 0;

    }



    @Override

    public void writeToParcel(Parcel out, int flags) {

        long now = SystemClock.uptimeMillis();

        out.writeInt(MAGIC);

        out.writeInt(PARCEL_VERSION);
@@ -2272,6 +2295,7 @@ final public class ProcessStats { 
            if (mDurationsTable == BAD_TABLE) {

                return false;

            }

            mDurationsTableSize = mDurationsTable != null ? mDurationsTable.length : 0;

            mStartedCount = in.readInt();

            mBoundCount = in.readInt();

            mExecCount = in.readInt();

services/java/com/android/server/am/ProcessStatsService.java

+32 −2
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ package com.android.server.am; 
import android.app.AppGlobals;

import android.content.pm.IPackageManager;

import android.os.Parcel;

import android.os.ParcelFileDescriptor;

import android.os.RemoteException;

import android.os.SystemClock;

import android.os.SystemProperties;
@@ -27,6 +28,7 @@ import android.util.ArrayMap; 
import android.util.AtomicFile;

import android.util.Slog;

import android.util.SparseArray;

import com.android.internal.app.IProcessStats;

import com.android.internal.app.ProcessStats;

import com.android.internal.os.BackgroundThread;
@@ -38,9 +40,10 @@ import java.io.IOException; 
import java.io.PrintWriter;

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

import java.util.concurrent.locks.ReentrantLock;



public final class ProcessStatsService {

public final class ProcessStatsService extends IProcessStats.Stub {

    static final String TAG = "ProcessStatsService";

    static final boolean DEBUG = false;
@@ -204,7 +207,7 @@ public final class ProcessStatsService { 
                if (commit) {

                    mProcessStats.mFlags |= ProcessStats.FLAG_COMPLETE;

                }

                mProcessStats.writeToParcel(mPendingWrite);

                mProcessStats.writeToParcel(mPendingWrite, 0);

                mPendingWriteFile = new AtomicFile(mFile.getBaseFile());

                mPendingWriteCommitted = commit;

            }
@@ -442,6 +445,33 @@ public final class ProcessStatsService { 
        return finalRes;

    }



    public byte[] getCurrentStats(List<ParcelFileDescriptor> historic) {

        Parcel current = Parcel.obtain();

        mWriteLock.lock();

        try {

            synchronized (mLock) {

                mProcessStats.writeToParcel(current, 0);

            }

            if (historic != null) {

                ArrayList<String> files = getCommittedFiles(0, true);

                if (files != null) {

                    for (int i=files.size()-1; i>=0; i--) {

                        try {

                            ParcelFileDescriptor pfd = ParcelFileDescriptor.open(

                                    new File(files.get(i)), ParcelFileDescriptor.MODE_READ_ONLY);

                            historic.add(pfd);

                        } catch (IOException e) {

                            Slog.w(TAG, "Failure opening procstat file " + files.get(i), e);

                        }

                    }

                }

            }

        } finally {

            mWriteLock.unlock();

        }

        return current.marshall();

    }



    static private void dumpHelp(PrintWriter pw) {

        pw.println("Process stats (procstats) dump options:");

        pw.println("    [--checkin|-c|--csv] [--csv-screen] [--csv-proc] [--csv-mem]");