Dianne Hackborn | 2aec55a | 2018-06-26 10:35:35 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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.internal.app.procstats; |
| 18 | |
| 19 | |
| 20 | import android.os.Parcel; |
| 21 | import android.os.SystemClock; |
| 22 | import android.os.UserHandle; |
| 23 | import android.util.ArrayMap; |
| 24 | import android.util.TimeUtils; |
| 25 | |
| 26 | import java.io.PrintWriter; |
| 27 | import java.util.Objects; |
| 28 | |
| 29 | public final class AssociationState { |
| 30 | private static final String TAG = "ProcessStats"; |
| 31 | private static final boolean DEBUG = false; |
| 32 | |
| 33 | private final String mPackage; |
| 34 | private final String mProcessName; |
| 35 | private final String mName; |
| 36 | private final DurationsTable mDurations; |
| 37 | |
| 38 | public final class SourceState { |
| 39 | public void stop() { |
| 40 | mNesting--; |
| 41 | if (mNesting == 0) { |
| 42 | mDuration += SystemClock.uptimeMillis() - mStartTime; |
| 43 | mNumActive--; |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | int mNesting; |
| 48 | int mCount; |
| 49 | long mStartTime; |
| 50 | long mDuration; |
| 51 | } |
| 52 | |
| 53 | final static class SourceKey { |
| 54 | int mUid; |
| 55 | String mProcess; |
| 56 | |
| 57 | SourceKey(int uid, String process) { |
| 58 | mUid = uid; |
| 59 | mProcess = process; |
| 60 | } |
| 61 | |
| 62 | public boolean equals(Object o) { |
| 63 | if (!(o instanceof SourceKey)) { |
| 64 | return false; |
| 65 | } |
| 66 | SourceKey s = (SourceKey) o; |
| 67 | return s.mUid == mUid && Objects.equals(s.mProcess, mProcess); |
| 68 | } |
| 69 | |
| 70 | @Override |
| 71 | public int hashCode() { |
| 72 | return Integer.hashCode(mUid) ^ (mProcess == null ? 0 : mProcess.hashCode()); |
| 73 | } |
| 74 | |
| 75 | @Override |
| 76 | public String toString() { |
| 77 | StringBuilder sb = new StringBuilder(64); |
| 78 | sb.append("SourceKey{"); |
| 79 | UserHandle.formatUid(sb, mUid); |
| 80 | sb.append(' '); |
| 81 | sb.append(mProcess); |
| 82 | sb.append('}'); |
| 83 | return sb.toString(); |
| 84 | } |
| 85 | |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * All known sources for this target component... uid -> process name -> source state. |
| 90 | */ |
| 91 | private final ArrayMap<SourceKey, SourceState> mSources = new ArrayMap<>(); |
| 92 | |
| 93 | private final SourceKey mTmpSourceKey = new SourceKey(0, null); |
| 94 | |
| 95 | private int mNumActive; |
| 96 | |
| 97 | public AssociationState(ProcessStats processStats, String pkg, String name, |
| 98 | String processName) { |
| 99 | mPackage = pkg; |
| 100 | mName = name; |
| 101 | mProcessName = processName; |
| 102 | mDurations = new DurationsTable(processStats.mTableData); |
| 103 | } |
| 104 | |
| 105 | public String getPackage() { |
| 106 | return mPackage; |
| 107 | } |
| 108 | |
| 109 | public String getProcessName() { |
| 110 | return mProcessName; |
| 111 | } |
| 112 | |
| 113 | public String getName() { |
| 114 | return mName; |
| 115 | } |
| 116 | |
| 117 | public SourceState startSource(int uid, String processName) { |
| 118 | mTmpSourceKey.mUid = uid; |
| 119 | mTmpSourceKey.mProcess = processName; |
| 120 | SourceState src = mSources.get(mTmpSourceKey); |
| 121 | if (src == null) { |
| 122 | src = new SourceState(); |
| 123 | mSources.put(new SourceKey(uid, processName), src); |
| 124 | } |
| 125 | src.mNesting++; |
| 126 | if (src.mNesting == 1) { |
| 127 | src.mCount++; |
| 128 | src.mStartTime = SystemClock.uptimeMillis(); |
| 129 | mNumActive++; |
| 130 | } |
| 131 | return src; |
| 132 | } |
| 133 | |
| 134 | public void add(AssociationState other) { |
| 135 | mDurations.addDurations(other.mDurations); |
| 136 | for (int isrc = other.mSources.size() - 1; isrc >= 0; isrc--) { |
| 137 | final SourceKey key = other.mSources.keyAt(isrc); |
| 138 | final SourceState otherSrc = other.mSources.valueAt(isrc); |
| 139 | SourceState mySrc = mSources.get(key); |
| 140 | if (mySrc == null) { |
| 141 | mySrc = new SourceState(); |
| 142 | mSources.put(key, mySrc); |
| 143 | } |
| 144 | mySrc.mCount += otherSrc.mCount; |
| 145 | mySrc.mDuration += otherSrc.mDuration; |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | public boolean isInUse() { |
| 150 | return mNumActive > 0; |
| 151 | } |
| 152 | |
| 153 | public void resetSafely(long now) { |
| 154 | mDurations.resetTable(); |
| 155 | if (!isInUse()) { |
| 156 | mSources.clear(); |
| 157 | } else { |
| 158 | // We have some active sources... clear out everything but those. |
| 159 | for (int isrc = mSources.size() - 1; isrc >= 0; isrc--) { |
| 160 | SourceState src = mSources.valueAt(isrc); |
| 161 | if (src.mNesting > 0) { |
| 162 | src.mCount = 1; |
| 163 | src.mStartTime = now; |
| 164 | src.mDuration = 0; |
| 165 | } else { |
| 166 | mSources.removeAt(isrc); |
| 167 | } |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | public void writeToParcel(ProcessStats stats, Parcel out, long now) { |
| 173 | mDurations.writeToParcel(out); |
| 174 | final int NSRC = mSources.size(); |
| 175 | out.writeInt(NSRC); |
| 176 | for (int isrc = 0; isrc < NSRC; isrc++) { |
| 177 | final SourceKey key = mSources.keyAt(isrc); |
| 178 | final SourceState src = mSources.valueAt(isrc); |
| 179 | out.writeInt(key.mUid); |
| 180 | stats.writeCommonString(out, key.mProcess); |
| 181 | out.writeInt(src.mCount); |
| 182 | out.writeLong(src.mDuration); |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | public String readFromParcel(ProcessStats stats, Parcel in, int parcelVersion) { |
| 187 | if (!mDurations.readFromParcel(in)) { |
| 188 | return "Duration table corrupt"; |
| 189 | } |
| 190 | final int NSRC = in.readInt(); |
| 191 | if (NSRC < 0 || NSRC > 100000) { |
| 192 | return "Association with bad src count: " + NSRC; |
| 193 | } |
| 194 | for (int isrc = 0; isrc < NSRC; isrc++) { |
| 195 | final int uid = in.readInt(); |
| 196 | final String procName = stats.readCommonString(in, parcelVersion); |
| 197 | final SourceKey key = new SourceKey(uid, procName); |
| 198 | final SourceState src = new SourceState(); |
| 199 | src.mCount = in.readInt(); |
| 200 | src.mDuration = in.readLong(); |
| 201 | mSources.put(key, src); |
| 202 | } |
| 203 | return null; |
| 204 | } |
| 205 | |
| 206 | public void commitStateTime(long now) { |
| 207 | if (isInUse()) { |
| 208 | for (int isrc = mSources.size() - 1; isrc >= 0; isrc--) { |
| 209 | SourceState src = mSources.valueAt(isrc); |
| 210 | if (src.mNesting > 0) { |
| 211 | src.mDuration += now - src.mStartTime; |
| 212 | src.mStartTime = now; |
| 213 | } |
| 214 | } |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | public void dumpStats(PrintWriter pw, String prefix, String prefixInner, String headerPrefix, |
| 219 | long now, long totalTime, boolean dumpSummary, boolean dumpAll) { |
| 220 | if (dumpAll) { |
| 221 | pw.print(prefix); |
| 222 | pw.print("mNumActive="); |
| 223 | pw.println(mNumActive); |
| 224 | } |
| 225 | final int NSRC = mSources.size(); |
| 226 | for (int isrc = 0; isrc < NSRC; isrc++) { |
| 227 | final SourceKey key = mSources.keyAt(isrc); |
| 228 | final SourceState src = mSources.valueAt(isrc); |
| 229 | pw.print(prefixInner); |
| 230 | pw.print("<- "); |
| 231 | pw.print(key.mProcess); |
| 232 | pw.print(" / "); |
| 233 | UserHandle.formatUid(pw, key.mUid); |
| 234 | pw.println(":"); |
| 235 | pw.print(prefixInner); |
| 236 | pw.print(" Count "); |
| 237 | pw.print(src.mCount); |
| 238 | long duration = src.mDuration; |
| 239 | if (src.mNesting > 0) { |
| 240 | duration += now - src.mStartTime; |
| 241 | } |
| 242 | if (dumpAll) { |
| 243 | pw.print(" / Duration "); |
| 244 | TimeUtils.formatDuration(duration, pw); |
| 245 | pw.print(" / "); |
| 246 | } else { |
| 247 | pw.print(" / time "); |
| 248 | } |
| 249 | DumpUtils.printPercent(pw, (double)duration/(double)totalTime); |
| 250 | if (src.mNesting > 0) { |
| 251 | pw.print(" (running)"); |
| 252 | } |
| 253 | pw.println(); |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | public void dumpTimesCheckin(PrintWriter pw, String pkgName, int uid, long vers, |
| 258 | String associationName, long now) { |
| 259 | final int NSRC = mSources.size(); |
| 260 | for (int isrc = 0; isrc < NSRC; isrc++) { |
| 261 | final SourceKey key = mSources.keyAt(isrc); |
| 262 | final SourceState src = mSources.valueAt(isrc); |
| 263 | pw.print("pkgasc"); |
| 264 | pw.print(","); |
| 265 | pw.print(pkgName); |
| 266 | pw.print(","); |
| 267 | pw.print(uid); |
| 268 | pw.print(","); |
| 269 | pw.print(vers); |
| 270 | pw.print(","); |
| 271 | pw.print(associationName); |
| 272 | pw.print(","); |
| 273 | pw.print(key.mProcess); |
| 274 | pw.print(","); |
| 275 | pw.print(key.mUid); |
| 276 | pw.print(","); |
| 277 | pw.print(src.mCount); |
| 278 | long duration = src.mDuration; |
| 279 | if (src.mNesting > 0) { |
| 280 | duration += now - src.mStartTime; |
| 281 | } |
| 282 | pw.print(","); |
| 283 | pw.print(duration); |
| 284 | pw.println(); |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | public String toString() { |
| 289 | return "AssociationState{" + Integer.toHexString(System.identityHashCode(this)) |
| 290 | + " " + mName + " pkg=" + mPackage + " proc=" |
| 291 | + Integer.toHexString(System.identityHashCode(this)) + "}"; |
| 292 | } |
| 293 | } |