903 lines
31 KiB
Java
903 lines
31 KiB
Java
/*
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* Copyright (C) 2006-2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.am;
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import com.android.internal.app.IUsageStats;
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import android.content.ComponentName;
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import android.content.Context;
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import android.os.Binder;
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import android.os.IBinder;
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import com.android.internal.os.PkgUsageStats;
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import android.os.FileUtils;
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import android.os.Parcel;
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import android.os.Process;
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import android.os.ServiceManager;
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import android.os.SystemClock;
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import android.util.Slog;
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import java.io.File;
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import java.io.FileDescriptor;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.TimeZone;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.concurrent.atomic.AtomicLong;
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/**
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* This service collects the statistics associated with usage
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* of various components, like when a particular package is launched or
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* paused and aggregates events like number of time a component is launched
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* total duration of a component launch.
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*/
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public final class UsageStatsService extends IUsageStats.Stub {
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public static final String SERVICE_NAME = "usagestats";
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private static final boolean localLOGV = false;
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private static final boolean REPORT_UNEXPECTED = false;
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private static final String TAG = "UsageStats";
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// Current on-disk Parcel version
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private static final int VERSION = 1005;
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private static final int CHECKIN_VERSION = 4;
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private static final String FILE_PREFIX = "usage-";
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private static final int FILE_WRITE_INTERVAL = 30*60*1000; //ms
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private static final int MAX_NUM_FILES = 5;
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private static final int NUM_LAUNCH_TIME_BINS = 10;
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private static final int[] LAUNCH_TIME_BINS = {
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250, 500, 750, 1000, 1500, 2000, 3000, 4000, 5000
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};
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static IUsageStats sService;
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private Context mContext;
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// structure used to maintain statistics since the last checkin.
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final private Map<String, PkgUsageStatsExtended> mStats;
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// Lock to update package stats. Methods suffixed by SLOCK should invoked with
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// this lock held
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final Object mStatsLock;
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// Lock to write to file. Methods suffixed by FLOCK should invoked with
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// this lock held.
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final Object mFileLock;
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// Order of locks is mFileLock followed by mStatsLock to avoid deadlocks
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private String mLastResumedPkg;
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private String mLastResumedComp;
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private boolean mIsResumed;
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private File mFile;
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private String mFileLeaf;
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private File mDir;
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private Calendar mCal; // guarded by itself
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private final AtomicInteger mLastWriteDay = new AtomicInteger(-1);
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private final AtomicLong mLastWriteElapsedTime = new AtomicLong(0);
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private final AtomicBoolean mUnforcedDiskWriteRunning = new AtomicBoolean(false);
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static class TimeStats {
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int count;
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int[] times = new int[NUM_LAUNCH_TIME_BINS];
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TimeStats() {
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}
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void incCount() {
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count++;
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}
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void add(int val) {
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final int[] bins = LAUNCH_TIME_BINS;
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for (int i=0; i<NUM_LAUNCH_TIME_BINS-1; i++) {
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if (val < bins[i]) {
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times[i]++;
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return;
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}
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}
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times[NUM_LAUNCH_TIME_BINS-1]++;
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}
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TimeStats(Parcel in) {
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count = in.readInt();
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final int[] localTimes = times;
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for (int i=0; i<NUM_LAUNCH_TIME_BINS; i++) {
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localTimes[i] = in.readInt();
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}
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}
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void writeToParcel(Parcel out) {
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out.writeInt(count);
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final int[] localTimes = times;
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for (int i=0; i<NUM_LAUNCH_TIME_BINS; i++) {
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out.writeInt(localTimes[i]);
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}
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}
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}
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private class PkgUsageStatsExtended {
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final HashMap<String, TimeStats> mLaunchTimes
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= new HashMap<String, TimeStats>();
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int mLaunchCount;
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long mUsageTime;
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long mPausedTime;
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long mResumedTime;
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PkgUsageStatsExtended() {
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mLaunchCount = 0;
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mUsageTime = 0;
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}
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PkgUsageStatsExtended(Parcel in) {
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mLaunchCount = in.readInt();
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mUsageTime = in.readLong();
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if (localLOGV) Slog.v(TAG, "Launch count: " + mLaunchCount
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+ ", Usage time:" + mUsageTime);
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final int N = in.readInt();
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if (localLOGV) Slog.v(TAG, "Reading comps: " + N);
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for (int i=0; i<N; i++) {
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String comp = in.readString();
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if (localLOGV) Slog.v(TAG, "Component: " + comp);
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TimeStats times = new TimeStats(in);
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mLaunchTimes.put(comp, times);
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}
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}
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void updateResume(boolean launched) {
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if (launched) {
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mLaunchCount ++;
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}
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mResumedTime = SystemClock.elapsedRealtime();
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}
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void updatePause() {
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mPausedTime = SystemClock.elapsedRealtime();
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mUsageTime += (mPausedTime - mResumedTime);
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}
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void addLaunchCount(String comp) {
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TimeStats times = mLaunchTimes.get(comp);
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if (times == null) {
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times = new TimeStats();
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mLaunchTimes.put(comp, times);
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}
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times.incCount();
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}
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void addLaunchTime(String comp, int millis) {
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TimeStats times = mLaunchTimes.get(comp);
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if (times == null) {
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times = new TimeStats();
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mLaunchTimes.put(comp, times);
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}
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times.add(millis);
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}
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void writeToParcel(Parcel out) {
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out.writeInt(mLaunchCount);
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out.writeLong(mUsageTime);
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final int N = mLaunchTimes.size();
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out.writeInt(N);
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if (N > 0) {
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for (Map.Entry<String, TimeStats> ent : mLaunchTimes.entrySet()) {
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out.writeString(ent.getKey());
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TimeStats times = ent.getValue();
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times.writeToParcel(out);
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}
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}
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}
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void clear() {
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mLaunchTimes.clear();
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mLaunchCount = 0;
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mUsageTime = 0;
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}
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}
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UsageStatsService(String dir) {
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mStats = new HashMap<String, PkgUsageStatsExtended>();
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mStatsLock = new Object();
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mFileLock = new Object();
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mDir = new File(dir);
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mCal = Calendar.getInstance(TimeZone.getTimeZone("GMT+0"));
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mDir.mkdir();
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// Remove any old usage files from previous versions.
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File parentDir = mDir.getParentFile();
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String fList[] = parentDir.list();
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if (fList != null) {
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String prefix = mDir.getName() + ".";
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int i = fList.length;
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while (i > 0) {
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i--;
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if (fList[i].startsWith(prefix)) {
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Slog.i(TAG, "Deleting old usage file: " + fList[i]);
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(new File(parentDir, fList[i])).delete();
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}
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}
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}
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// Update current stats which are binned by date
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mFileLeaf = getCurrentDateStr(FILE_PREFIX);
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mFile = new File(mDir, mFileLeaf);
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readStatsFromFile();
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mLastWriteElapsedTime.set(SystemClock.elapsedRealtime());
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// mCal was set by getCurrentDateStr(), want to use that same time.
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mLastWriteDay.set(mCal.get(Calendar.DAY_OF_YEAR));
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}
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/*
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* Utility method to convert date into string.
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*/
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private String getCurrentDateStr(String prefix) {
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StringBuilder sb = new StringBuilder();
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synchronized (mCal) {
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mCal.setTimeInMillis(System.currentTimeMillis());
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if (prefix != null) {
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sb.append(prefix);
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}
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sb.append(mCal.get(Calendar.YEAR));
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int mm = mCal.get(Calendar.MONTH) - Calendar.JANUARY +1;
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if (mm < 10) {
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sb.append("0");
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}
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sb.append(mm);
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int dd = mCal.get(Calendar.DAY_OF_MONTH);
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if (dd < 10) {
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sb.append("0");
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}
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sb.append(dd);
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}
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return sb.toString();
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}
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private Parcel getParcelForFile(File file) throws IOException {
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FileInputStream stream = new FileInputStream(file);
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byte[] raw = readFully(stream);
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Parcel in = Parcel.obtain();
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in.unmarshall(raw, 0, raw.length);
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in.setDataPosition(0);
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stream.close();
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return in;
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}
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private void readStatsFromFile() {
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File newFile = mFile;
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synchronized (mFileLock) {
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try {
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if (newFile.exists()) {
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readStatsFLOCK(newFile);
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} else {
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// Check for file limit before creating a new file
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checkFileLimitFLOCK();
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newFile.createNewFile();
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}
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} catch (IOException e) {
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Slog.w(TAG,"Error : " + e + " reading data from file:" + newFile);
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}
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}
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}
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private void readStatsFLOCK(File file) throws IOException {
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Parcel in = getParcelForFile(file);
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int vers = in.readInt();
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if (vers != VERSION) {
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Slog.w(TAG, "Usage stats version changed; dropping");
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return;
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}
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int N = in.readInt();
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while (N > 0) {
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N--;
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String pkgName = in.readString();
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if (pkgName == null) {
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break;
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}
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if (localLOGV) Slog.v(TAG, "Reading package #" + N + ": " + pkgName);
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PkgUsageStatsExtended pus = new PkgUsageStatsExtended(in);
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synchronized (mStatsLock) {
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mStats.put(pkgName, pus);
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}
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}
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}
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private ArrayList<String> getUsageStatsFileListFLOCK() {
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// Check if there are too many files in the system and delete older files
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String fList[] = mDir.list();
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if (fList == null) {
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return null;
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}
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ArrayList<String> fileList = new ArrayList<String>();
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for (String file : fList) {
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if (!file.startsWith(FILE_PREFIX)) {
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continue;
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}
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if (file.endsWith(".bak")) {
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(new File(mDir, file)).delete();
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continue;
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}
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fileList.add(file);
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}
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return fileList;
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}
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private void checkFileLimitFLOCK() {
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// Get all usage stats output files
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ArrayList<String> fileList = getUsageStatsFileListFLOCK();
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if (fileList == null) {
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// Strange but we dont have to delete any thing
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return;
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}
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int count = fileList.size();
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if (count <= MAX_NUM_FILES) {
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return;
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}
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// Sort files
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Collections.sort(fileList);
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count -= MAX_NUM_FILES;
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// Delete older files
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for (int i = 0; i < count; i++) {
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String fileName = fileList.get(i);
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File file = new File(mDir, fileName);
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Slog.i(TAG, "Deleting usage file : " + fileName);
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file.delete();
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}
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}
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/**
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* Conditionally start up a disk write if it's been awhile, or the
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* day has rolled over.
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*
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* This is called indirectly from user-facing actions (when
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* 'force' is false) so it tries to be quick, without writing to
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* disk directly or acquiring heavy locks.
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*
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* @params force do an unconditional, synchronous stats flush
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* to disk on the current thread.
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*/
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private void writeStatsToFile(final boolean force) {
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int curDay;
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synchronized (mCal) {
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mCal.setTimeInMillis(System.currentTimeMillis());
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curDay = mCal.get(Calendar.DAY_OF_YEAR);
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}
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final boolean dayChanged = curDay != mLastWriteDay.get();
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// Determine if the day changed... note that this will be wrong
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// if the year has changed but we are in the same day of year...
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// we can probably live with this.
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final long currElapsedTime = SystemClock.elapsedRealtime();
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// Fast common path, without taking the often-contentious
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// mFileLock.
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if (!force) {
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if (!dayChanged &&
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(currElapsedTime - mLastWriteElapsedTime.get()) < FILE_WRITE_INTERVAL) {
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// wait till the next update
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return;
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}
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if (mUnforcedDiskWriteRunning.compareAndSet(false, true)) {
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new Thread("UsageStatsService_DiskWriter") {
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public void run() {
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try {
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if (localLOGV) Slog.d(TAG, "Disk writer thread starting.");
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writeStatsToFile(true);
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} finally {
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mUnforcedDiskWriteRunning.set(false);
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if (localLOGV) Slog.d(TAG, "Disk writer thread ending.");
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}
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}
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}.start();
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}
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return;
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}
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synchronized (mFileLock) {
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// Get the most recent file
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mFileLeaf = getCurrentDateStr(FILE_PREFIX);
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// Copy current file to back up
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File backupFile = null;
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if (mFile != null && mFile.exists()) {
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backupFile = new File(mFile.getPath() + ".bak");
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if (!backupFile.exists()) {
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if (!mFile.renameTo(backupFile)) {
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Slog.w(TAG, "Failed to persist new stats");
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return;
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}
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} else {
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mFile.delete();
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}
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}
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try {
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// Write mStats to file
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writeStatsFLOCK(mFile);
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mLastWriteElapsedTime.set(currElapsedTime);
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if (dayChanged) {
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mLastWriteDay.set(curDay);
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// clear stats
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synchronized (mStats) {
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mStats.clear();
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}
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mFile = new File(mDir, mFileLeaf);
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checkFileLimitFLOCK();
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}
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// Delete the backup file
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if (backupFile != null) {
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backupFile.delete();
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}
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} catch (IOException e) {
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Slog.w(TAG, "Failed writing stats to file:" + mFile);
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if (backupFile != null) {
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mFile.delete();
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backupFile.renameTo(mFile);
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}
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}
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}
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if (localLOGV) Slog.d(TAG, "Dumped usage stats.");
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}
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private void writeStatsFLOCK(File file) throws IOException {
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FileOutputStream stream = new FileOutputStream(file);
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Parcel out = null;
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try {
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out = Parcel.obtain();
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writeStatsToParcelFLOCK(out);
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stream.write(out.marshall());
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stream.flush();
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} finally {
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if (out != null) {
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out.recycle();
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}
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FileUtils.sync(stream);
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stream.close();
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}
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}
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private void writeStatsToParcelFLOCK(Parcel out) {
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synchronized (mStatsLock) {
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out.writeInt(VERSION);
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Set<String> keys = mStats.keySet();
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out.writeInt(keys.size());
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for (String key : keys) {
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PkgUsageStatsExtended pus = mStats.get(key);
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out.writeString(key);
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pus.writeToParcel(out);
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}
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}
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}
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public void publish(Context context) {
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mContext = context;
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ServiceManager.addService(SERVICE_NAME, asBinder());
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}
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public void shutdown() {
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Slog.i(TAG, "Writing usage stats before shutdown...");
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writeStatsToFile(true);
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}
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public static IUsageStats getService() {
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if (sService != null) {
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return sService;
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}
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IBinder b = ServiceManager.getService(SERVICE_NAME);
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sService = asInterface(b);
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return sService;
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}
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public void noteResumeComponent(ComponentName componentName) {
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enforceCallingPermission();
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String pkgName;
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synchronized (mStatsLock) {
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if ((componentName == null) ||
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((pkgName = componentName.getPackageName()) == null)) {
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return;
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}
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final boolean samePackage = pkgName.equals(mLastResumedPkg);
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if (mIsResumed) {
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if (mLastResumedPkg != null) {
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// We last resumed some other package... just pause it now
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// to recover.
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if (REPORT_UNEXPECTED) Slog.i(TAG, "Unexpected resume of " + pkgName
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+ " while already resumed in " + mLastResumedPkg);
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PkgUsageStatsExtended pus = mStats.get(mLastResumedPkg);
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if (pus != null) {
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pus.updatePause();
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}
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}
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}
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final boolean sameComp = samePackage
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&& componentName.getClassName().equals(mLastResumedComp);
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mIsResumed = true;
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mLastResumedPkg = pkgName;
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mLastResumedComp = componentName.getClassName();
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if (localLOGV) Slog.i(TAG, "started component:" + pkgName);
|
|
PkgUsageStatsExtended pus = mStats.get(pkgName);
|
|
if (pus == null) {
|
|
pus = new PkgUsageStatsExtended();
|
|
mStats.put(pkgName, pus);
|
|
}
|
|
pus.updateResume(!samePackage);
|
|
if (!sameComp) {
|
|
pus.addLaunchCount(mLastResumedComp);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void notePauseComponent(ComponentName componentName) {
|
|
enforceCallingPermission();
|
|
|
|
synchronized (mStatsLock) {
|
|
String pkgName;
|
|
if ((componentName == null) ||
|
|
((pkgName = componentName.getPackageName()) == null)) {
|
|
return;
|
|
}
|
|
if (!mIsResumed) {
|
|
if (REPORT_UNEXPECTED) Slog.i(TAG, "Something wrong here, didn't expect "
|
|
+ pkgName + " to be paused");
|
|
return;
|
|
}
|
|
mIsResumed = false;
|
|
|
|
if (localLOGV) Slog.i(TAG, "paused component:"+pkgName);
|
|
|
|
PkgUsageStatsExtended pus = mStats.get(pkgName);
|
|
if (pus == null) {
|
|
// Weird some error here
|
|
Slog.i(TAG, "No package stats for pkg:"+pkgName);
|
|
return;
|
|
}
|
|
pus.updatePause();
|
|
}
|
|
|
|
// Persist current data to file if needed.
|
|
writeStatsToFile(false);
|
|
}
|
|
|
|
public void noteLaunchTime(ComponentName componentName, int millis) {
|
|
enforceCallingPermission();
|
|
String pkgName;
|
|
if ((componentName == null) ||
|
|
((pkgName = componentName.getPackageName()) == null)) {
|
|
return;
|
|
}
|
|
|
|
// Persist current data to file if needed.
|
|
writeStatsToFile(false);
|
|
|
|
synchronized (mStatsLock) {
|
|
PkgUsageStatsExtended pus = mStats.get(pkgName);
|
|
if (pus != null) {
|
|
pus.addLaunchTime(componentName.getClassName(), millis);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void enforceCallingPermission() {
|
|
if (Binder.getCallingPid() == Process.myPid()) {
|
|
return;
|
|
}
|
|
mContext.enforcePermission(android.Manifest.permission.UPDATE_DEVICE_STATS,
|
|
Binder.getCallingPid(), Binder.getCallingUid(), null);
|
|
}
|
|
|
|
public PkgUsageStats getPkgUsageStats(ComponentName componentName) {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.PACKAGE_USAGE_STATS, null);
|
|
String pkgName;
|
|
if ((componentName == null) ||
|
|
((pkgName = componentName.getPackageName()) == null)) {
|
|
return null;
|
|
}
|
|
synchronized (mStatsLock) {
|
|
PkgUsageStatsExtended pus = mStats.get(pkgName);
|
|
if (pus == null) {
|
|
return null;
|
|
}
|
|
return new PkgUsageStats(pkgName, pus.mLaunchCount, pus.mUsageTime);
|
|
}
|
|
}
|
|
|
|
public PkgUsageStats[] getAllPkgUsageStats() {
|
|
mContext.enforceCallingOrSelfPermission(
|
|
android.Manifest.permission.PACKAGE_USAGE_STATS, null);
|
|
synchronized (mStatsLock) {
|
|
Set<String> keys = mStats.keySet();
|
|
int size = keys.size();
|
|
if (size <= 0) {
|
|
return null;
|
|
}
|
|
PkgUsageStats retArr[] = new PkgUsageStats[size];
|
|
int i = 0;
|
|
for (String key: keys) {
|
|
PkgUsageStatsExtended pus = mStats.get(key);
|
|
retArr[i] = new PkgUsageStats(key, pus.mLaunchCount, pus.mUsageTime);
|
|
i++;
|
|
}
|
|
return retArr;
|
|
}
|
|
}
|
|
|
|
static byte[] readFully(FileInputStream stream) throws java.io.IOException {
|
|
int pos = 0;
|
|
int avail = stream.available();
|
|
byte[] data = new byte[avail];
|
|
while (true) {
|
|
int amt = stream.read(data, pos, data.length-pos);
|
|
if (amt <= 0) {
|
|
return data;
|
|
}
|
|
pos += amt;
|
|
avail = stream.available();
|
|
if (avail > data.length-pos) {
|
|
byte[] newData = new byte[pos+avail];
|
|
System.arraycopy(data, 0, newData, 0, pos);
|
|
data = newData;
|
|
}
|
|
}
|
|
}
|
|
|
|
private void collectDumpInfoFLOCK(PrintWriter pw, boolean isCompactOutput,
|
|
boolean deleteAfterPrint, HashSet<String> packages) {
|
|
List<String> fileList = getUsageStatsFileListFLOCK();
|
|
if (fileList == null) {
|
|
return;
|
|
}
|
|
Collections.sort(fileList);
|
|
|
|
mFileLeaf = getCurrentDateStr(FILE_PREFIX);
|
|
|
|
for (String file : fileList) {
|
|
if (deleteAfterPrint && file.equalsIgnoreCase(mFileLeaf)) {
|
|
// In this mode we don't print the current day's stats, since
|
|
// they are incomplete.
|
|
continue;
|
|
}
|
|
File dFile = new File(mDir, file);
|
|
String dateStr = file.substring(FILE_PREFIX.length());
|
|
Parcel in = null;
|
|
try {
|
|
in = getParcelForFile(dFile);
|
|
collectDumpInfoFromParcelFLOCK(in, pw, dateStr, isCompactOutput,
|
|
packages);
|
|
if (deleteAfterPrint) {
|
|
// Delete old file after collecting info only for checkin requests
|
|
dFile.delete();
|
|
}
|
|
} catch (FileNotFoundException e) {
|
|
Slog.w(TAG, "Failed with "+e+" when collecting dump info from file : " + file);
|
|
return;
|
|
} catch (IOException e) {
|
|
Slog.w(TAG, "Failed with "+e+" when collecting dump info from file : "+file);
|
|
}
|
|
finally {
|
|
if (in != null) {
|
|
in.recycle();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void collectDumpInfoFromParcelFLOCK(Parcel in, PrintWriter pw,
|
|
String date, boolean isCompactOutput, HashSet<String> packages) {
|
|
StringBuilder sb = new StringBuilder(512);
|
|
if (isCompactOutput) {
|
|
sb.append("D:");
|
|
sb.append(CHECKIN_VERSION);
|
|
sb.append(',');
|
|
} else {
|
|
sb.append("Date: ");
|
|
}
|
|
|
|
sb.append(date);
|
|
|
|
int vers = in.readInt();
|
|
if (vers != VERSION) {
|
|
sb.append(" (old data version)");
|
|
pw.println(sb.toString());
|
|
return;
|
|
}
|
|
|
|
pw.println(sb.toString());
|
|
int N = in.readInt();
|
|
|
|
while (N > 0) {
|
|
N--;
|
|
String pkgName = in.readString();
|
|
if (pkgName == null) {
|
|
break;
|
|
}
|
|
sb.setLength(0);
|
|
PkgUsageStatsExtended pus = new PkgUsageStatsExtended(in);
|
|
if (packages != null && !packages.contains(pkgName)) {
|
|
// This package has not been requested -- don't print
|
|
// anything for it.
|
|
} else if (isCompactOutput) {
|
|
sb.append("P:");
|
|
sb.append(pkgName);
|
|
sb.append(',');
|
|
sb.append(pus.mLaunchCount);
|
|
sb.append(',');
|
|
sb.append(pus.mUsageTime);
|
|
sb.append('\n');
|
|
final int NC = pus.mLaunchTimes.size();
|
|
if (NC > 0) {
|
|
for (Map.Entry<String, TimeStats> ent : pus.mLaunchTimes.entrySet()) {
|
|
sb.append("A:");
|
|
String activity = ent.getKey();
|
|
if (activity.startsWith(pkgName)) {
|
|
sb.append('*');
|
|
sb.append(activity.substring(
|
|
pkgName.length(), activity.length()));
|
|
} else {
|
|
sb.append(activity);
|
|
}
|
|
TimeStats times = ent.getValue();
|
|
sb.append(',');
|
|
sb.append(times.count);
|
|
for (int i=0; i<NUM_LAUNCH_TIME_BINS; i++) {
|
|
sb.append(",");
|
|
sb.append(times.times[i]);
|
|
}
|
|
sb.append('\n');
|
|
}
|
|
}
|
|
|
|
} else {
|
|
sb.append(" ");
|
|
sb.append(pkgName);
|
|
sb.append(": ");
|
|
sb.append(pus.mLaunchCount);
|
|
sb.append(" times, ");
|
|
sb.append(pus.mUsageTime);
|
|
sb.append(" ms");
|
|
sb.append('\n');
|
|
final int NC = pus.mLaunchTimes.size();
|
|
if (NC > 0) {
|
|
for (Map.Entry<String, TimeStats> ent : pus.mLaunchTimes.entrySet()) {
|
|
sb.append(" ");
|
|
sb.append(ent.getKey());
|
|
TimeStats times = ent.getValue();
|
|
sb.append(": ");
|
|
sb.append(times.count);
|
|
sb.append(" starts");
|
|
int lastBin = 0;
|
|
for (int i=0; i<NUM_LAUNCH_TIME_BINS-1; i++) {
|
|
if (times.times[i] != 0) {
|
|
sb.append(", ");
|
|
sb.append(lastBin);
|
|
sb.append('-');
|
|
sb.append(LAUNCH_TIME_BINS[i]);
|
|
sb.append("ms=");
|
|
sb.append(times.times[i]);
|
|
}
|
|
lastBin = LAUNCH_TIME_BINS[i];
|
|
}
|
|
if (times.times[NUM_LAUNCH_TIME_BINS-1] != 0) {
|
|
sb.append(", ");
|
|
sb.append(">=");
|
|
sb.append(lastBin);
|
|
sb.append("ms=");
|
|
sb.append(times.times[NUM_LAUNCH_TIME_BINS-1]);
|
|
}
|
|
sb.append('\n');
|
|
}
|
|
}
|
|
}
|
|
|
|
pw.write(sb.toString());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Searches array of arguments for the specified string
|
|
* @param args array of argument strings
|
|
* @param value value to search for
|
|
* @return true if the value is contained in the array
|
|
*/
|
|
private static boolean scanArgs(String[] args, String value) {
|
|
if (args != null) {
|
|
for (String arg : args) {
|
|
if (value.equals(arg)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Searches array of arguments for the specified string's data
|
|
* @param args array of argument strings
|
|
* @param value value to search for
|
|
* @return the string of data after the arg, or null if there is none
|
|
*/
|
|
private static String scanArgsData(String[] args, String value) {
|
|
if (args != null) {
|
|
final int N = args.length;
|
|
for (int i=0; i<N; i++) {
|
|
if (value.equals(args[i])) {
|
|
i++;
|
|
return i < N ? args[i] : null;
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
/*
|
|
* The data persisted to file is parsed and the stats are computed.
|
|
*/
|
|
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
|
|
final boolean isCheckinRequest = scanArgs(args, "--checkin");
|
|
final boolean isCompactOutput = isCheckinRequest || scanArgs(args, "-c");
|
|
final boolean deleteAfterPrint = isCheckinRequest || scanArgs(args, "-d");
|
|
final String rawPackages = scanArgsData(args, "--packages");
|
|
|
|
// Make sure the current stats are written to the file. This
|
|
// doesn't need to be done if we are deleting files after printing,
|
|
// since it that case we won't print the current stats.
|
|
if (!deleteAfterPrint) {
|
|
writeStatsToFile(true);
|
|
}
|
|
|
|
HashSet<String> packages = null;
|
|
if (rawPackages != null) {
|
|
if (!"*".equals(rawPackages)) {
|
|
// A * is a wildcard to show all packages.
|
|
String[] names = rawPackages.split(",");
|
|
for (String n : names) {
|
|
if (packages == null) {
|
|
packages = new HashSet<String>();
|
|
}
|
|
packages.add(n);
|
|
}
|
|
}
|
|
} else if (isCheckinRequest) {
|
|
// If checkin doesn't specify any packages, then we simply won't
|
|
// show anything.
|
|
Slog.w(TAG, "Checkin without packages");
|
|
return;
|
|
}
|
|
|
|
synchronized (mFileLock) {
|
|
collectDumpInfoFLOCK(pw, isCompactOutput, deleteAfterPrint, packages);
|
|
}
|
|
}
|
|
|
|
}
|