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 final ArrayMap<String, ViolationEntry> mBackgroundCheckViolations = new ArrayMap<>(); 51 int mReceiveCount; 52 int mSkipCount; 53 long mTotalDispatchTime; 54 long mMaxDispatchTime; 55 56 ActionEntry(String action) { 57 mAction = action; 58 } 59 } 60 61 static final class PackageEntry { 62 int mSendCount; 63 } 64 65 static final class ViolationEntry { 66 int mCount; 67 } 68 69 public BroadcastStats() { 70 mStartRealtime = SystemClock.elapsedRealtime(); 71 mStartUptime = SystemClock.uptimeMillis(); 72 } 73 74 public void addBroadcast(String action, String srcPackage, int receiveCount, 75 int skipCount, long dispatchTime) { 76 ActionEntry ae = mActions.get(action); 77 if (ae == null) { 78 ae = new ActionEntry(action); 79 mActions.put(action, ae); 80 } 81 ae.mReceiveCount += receiveCount; 82 ae.mSkipCount += skipCount; 83 ae.mTotalDispatchTime += dispatchTime; 84 if (ae.mMaxDispatchTime < dispatchTime) { 85 ae.mMaxDispatchTime = dispatchTime; 86 } 87 PackageEntry pe = ae.mPackages.get(srcPackage); 88 if (pe == null) { 89 pe = new PackageEntry(); 90 ae.mPackages.put(srcPackage, pe); 91 } 92 pe.mSendCount++; 93 } 94 95 public void addBackgroundCheckViolation(String action, String targetPackage) { 96 ActionEntry ae = mActions.get(action); 97 if (ae == null) { 98 ae = new ActionEntry(action); 99 mActions.put(action, ae); 100 } 101 ViolationEntry ve = ae.mBackgroundCheckViolations.get(targetPackage); 102 if (ve == null) { 103 ve = new ViolationEntry(); 104 ae.mBackgroundCheckViolations.put(targetPackage, ve); 105 } 106 ve.mCount++; 107 } 108 109 public boolean dumpStats(PrintWriter pw, String prefix, String dumpPackage) { 110 boolean printedSomething = false; 111 ArrayList<ActionEntry> actions = new ArrayList<>(mActions.size()); 112 for (int i=mActions.size()-1; i>=0; i--) { 113 actions.add(mActions.valueAt(i)); 114 } 115 Collections.sort(actions, ACTIONS_COMPARATOR); 116 for (int i=actions.size()-1; i>=0; i--) { 117 ActionEntry ae = actions.get(i); 118 if (dumpPackage != null && !ae.mPackages.containsKey(dumpPackage)) { 119 continue; 120 } 121 printedSomething = true; 122 pw.print(prefix); 123 pw.print(ae.mAction); 124 pw.println(":"); 125 pw.print(prefix); 126 pw.print(" Number received: "); 127 pw.print(ae.mReceiveCount); 128 pw.print(", skipped: "); 129 pw.println(ae.mSkipCount); 130 pw.print(prefix); 131 pw.print(" Total dispatch time: "); 132 TimeUtils.formatDuration(ae.mTotalDispatchTime, pw); 133 pw.print(", max: "); 134 TimeUtils.formatDuration(ae.mMaxDispatchTime, pw); 135 pw.println(); 136 for (int j=ae.mPackages.size()-1; j>=0; j--) { 137 pw.print(prefix); 138 pw.print(" Package "); 139 pw.print(ae.mPackages.keyAt(j)); 140 pw.print(": "); 141 PackageEntry pe = ae.mPackages.valueAt(j); 142 pw.print(pe.mSendCount); 143 pw.println(" times"); 144 } 145 for (int j=ae.mBackgroundCheckViolations.size()-1; j>=0; j--) { 146 pw.print(prefix); 147 pw.print(" Bg Check Violation "); 148 pw.print(ae.mBackgroundCheckViolations.keyAt(j)); 149 pw.print(": "); 150 ViolationEntry ve = ae.mBackgroundCheckViolations.valueAt(j); 151 pw.print(ve.mCount); 152 pw.println(" times"); 153 } 154 } 155 return printedSomething; 156 } 157 158 public void dumpCheckinStats(PrintWriter pw, String dumpPackage) { 159 pw.print("broadcast-stats,1,"); 160 pw.print(mStartRealtime); 161 pw.print(","); 162 pw.print(mEndRealtime == 0 ? SystemClock.elapsedRealtime() : mEndRealtime); 163 pw.print(","); 164 pw.println((mEndUptime == 0 ? SystemClock.uptimeMillis() : mEndUptime) - mStartUptime); 165 for (int i=mActions.size()-1; i>=0; i--) { 166 ActionEntry ae = mActions.valueAt(i); 167 if (dumpPackage != null && !ae.mPackages.containsKey(dumpPackage)) { 168 continue; 169 } 170 pw.print("a,"); 171 pw.print(mActions.keyAt(i)); 172 pw.print(","); 173 pw.print(ae.mReceiveCount); 174 pw.print(","); 175 pw.print(ae.mSkipCount); 176 pw.print(","); 177 pw.print(ae.mTotalDispatchTime); 178 pw.print(","); 179 pw.print(ae.mMaxDispatchTime); 180 pw.println(); 181 for (int j=ae.mPackages.size()-1; j>=0; j--) { 182 pw.print("p,"); 183 pw.print(ae.mPackages.keyAt(j)); 184 PackageEntry pe = ae.mPackages.valueAt(j); 185 pw.print(","); 186 pw.print(pe.mSendCount); 187 pw.println(); 188 } 189 for (int j=ae.mBackgroundCheckViolations.size()-1; j>=0; j--) { 190 pw.print("v,"); 191 pw.print(ae.mBackgroundCheckViolations.keyAt(j)); 192 ViolationEntry ve = ae.mBackgroundCheckViolations.valueAt(j); 193 pw.print(","); 194 pw.print(ve.mCount); 195 pw.println(); 196 } 197 } 198 } 199 } 200
