Dianne Hackborn | bc02a39 | 2016-06-02 17:15:08 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2016 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.am; |
| 18 | |
| 19 | import android.os.SystemClock; |
| 20 | import android.util.ArrayMap; |
| 21 | import android.util.TimeUtils; |
| 22 | |
| 23 | import java.io.PrintWriter; |
| 24 | import java.util.ArrayList; |
| 25 | import java.util.Collections; |
| 26 | import java.util.Comparator; |
| 27 | |
| 28 | public final class BroadcastStats { |
| 29 | final long mStartRealtime; |
| 30 | final long mStartUptime; |
| 31 | long mEndRealtime; |
| 32 | long mEndUptime; |
| 33 | final ArrayMap<String, ActionEntry> mActions = new ArrayMap<>(); |
| 34 | |
| 35 | static final Comparator<ActionEntry> ACTIONS_COMPARATOR = new Comparator<ActionEntry>() { |
| 36 | @Override public int compare(ActionEntry o1, ActionEntry o2) { |
| 37 | if (o1.mTotalDispatchTime < o2.mTotalDispatchTime) { |
| 38 | return -1; |
| 39 | } |
| 40 | if (o1.mTotalDispatchTime > o2.mTotalDispatchTime) { |
| 41 | return 1; |
| 42 | } |
| 43 | return 0; |
| 44 | } |
| 45 | }; |
| 46 | |
| 47 | static final class ActionEntry { |
| 48 | final String mAction; |
| 49 | final ArrayMap<String, PackageEntry> mPackages = new ArrayMap<>(); |
| 50 | int mReceiveCount; |
| 51 | int mSkipCount; |
| 52 | long mTotalDispatchTime; |
| 53 | long mMaxDispatchTime; |
| 54 | |
| 55 | ActionEntry(String action) { |
| 56 | mAction = action; |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | static final class PackageEntry { |
| 61 | int mSendCount; |
| 62 | } |
| 63 | |
| 64 | public BroadcastStats() { |
| 65 | mStartRealtime = SystemClock.elapsedRealtime(); |
| 66 | mStartUptime = SystemClock.uptimeMillis(); |
| 67 | } |
| 68 | |
| 69 | public void addBroadcast(String action, String srcPackage, int receiveCount, |
| 70 | int skipCount, long dispatchTime) { |
| 71 | ActionEntry ae = mActions.get(action); |
| 72 | if (ae == null) { |
| 73 | ae = new ActionEntry(action); |
| 74 | mActions.put(action, ae); |
| 75 | } |
| 76 | ae.mReceiveCount += receiveCount; |
| 77 | ae.mSkipCount += skipCount; |
| 78 | ae.mTotalDispatchTime += dispatchTime; |
| 79 | if (ae.mMaxDispatchTime < dispatchTime) { |
| 80 | ae.mMaxDispatchTime = dispatchTime; |
| 81 | } |
| 82 | PackageEntry pe = ae.mPackages.get(srcPackage); |
| 83 | if (pe == null) { |
| 84 | pe = new PackageEntry(); |
| 85 | ae.mPackages.put(srcPackage, pe); |
| 86 | } |
| 87 | pe.mSendCount++; |
| 88 | } |
| 89 | |
| 90 | public boolean dumpStats(PrintWriter pw, String prefix, String dumpPackage) { |
| 91 | boolean printedSomething = false; |
| 92 | ArrayList<ActionEntry> actions = new ArrayList<>(mActions.size()); |
| 93 | for (int i=mActions.size()-1; i>=0; i--) { |
| 94 | actions.add(mActions.valueAt(i)); |
| 95 | } |
| 96 | Collections.sort(actions, ACTIONS_COMPARATOR); |
| 97 | for (int i=actions.size()-1; i>=0; i--) { |
| 98 | ActionEntry ae = actions.get(i); |
| 99 | if (dumpPackage != null && !ae.mPackages.containsKey(dumpPackage)) { |
| 100 | continue; |
| 101 | } |
| 102 | printedSomething = true; |
| 103 | pw.print(prefix); |
| 104 | pw.print(ae.mAction); |
| 105 | pw.println(":"); |
| 106 | pw.print(prefix); |
| 107 | pw.print(" Number received: "); |
| 108 | pw.print(ae.mReceiveCount); |
| 109 | pw.print(", skipped: "); |
| 110 | pw.println(ae.mSkipCount); |
| 111 | pw.print(prefix); |
| 112 | pw.print(" Total dispatch time: "); |
| 113 | TimeUtils.formatDuration(ae.mTotalDispatchTime, pw); |
| 114 | pw.print(", max: "); |
| 115 | TimeUtils.formatDuration(ae.mMaxDispatchTime, pw); |
| 116 | pw.println(); |
| 117 | for (int j=ae.mPackages.size()-1; j>=0; j--) { |
| 118 | pw.print(prefix); |
| 119 | pw.print(" Package "); |
| 120 | pw.print(ae.mPackages.keyAt(j)); |
| 121 | pw.print(": "); |
| 122 | PackageEntry pe = ae.mPackages.valueAt(j); |
| 123 | pw.print(pe.mSendCount); |
| 124 | pw.println(" times"); |
| 125 | } |
| 126 | } |
| 127 | return printedSomething; |
| 128 | } |
| 129 | |
| 130 | public void dumpCheckinStats(PrintWriter pw, String dumpPackage) { |
| 131 | pw.print("broadcast-stats,1,"); |
| 132 | pw.print(mStartRealtime); |
| 133 | pw.print(","); |
| 134 | pw.print(mEndRealtime == 0 ? SystemClock.elapsedRealtime() : mEndRealtime); |
| 135 | pw.print(","); |
| 136 | pw.println((mEndUptime == 0 ? SystemClock.uptimeMillis() : mEndUptime) - mStartUptime); |
| 137 | for (int i=mActions.size()-1; i>=0; i--) { |
| 138 | ActionEntry ae = mActions.valueAt(i); |
| 139 | if (dumpPackage != null && !ae.mPackages.containsKey(dumpPackage)) { |
| 140 | continue; |
| 141 | } |
| 142 | pw.print("a,"); |
| 143 | pw.print(mActions.keyAt(i)); |
| 144 | pw.print(","); |
| 145 | pw.print(ae.mReceiveCount); |
| 146 | pw.print(","); |
| 147 | pw.print(ae.mSkipCount); |
| 148 | pw.print(","); |
| 149 | pw.print(ae.mTotalDispatchTime); |
| 150 | pw.print(","); |
| 151 | pw.print(ae.mMaxDispatchTime); |
| 152 | pw.println(); |
| 153 | for (int j=ae.mPackages.size()-1; j>=0; j--) { |
| 154 | pw.print("p,"); |
| 155 | pw.print(ae.mPackages.keyAt(j)); |
| 156 | PackageEntry pe = ae.mPackages.valueAt(j); |
| 157 | pw.print(","); |
| 158 | pw.print(pe.mSendCount); |
| 159 | pw.println(); |
| 160 | } |
| 161 | } |
| 162 | } |
| 163 | } |