1 /* 2 * Copyright (C) 2015 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.app.ActivityManager; 20 import android.os.SystemClock; 21 import android.os.UserHandle; 22 import android.util.TimeUtils; 23 24 /** 25 * Overall information about a uid that has actively running processes. 26 */ 27 public final class UidRecord { 28 final int uid; 29 int curProcState; 30 int setProcState = ActivityManager.PROCESS_STATE_NONEXISTENT; 31 long lastBackgroundTime; 32 boolean idle; 33 int numProcs; 34 35 static final int CHANGE_PROCSTATE = 0; 36 static final int CHANGE_GONE = 1; 37 static final int CHANGE_GONE_IDLE = 2; 38 static final int CHANGE_IDLE = 3; 39 static final int CHANGE_ACTIVE = 4; 40 41 static final class ChangeItem { 42 UidRecord uidRecord; 43 int uid; 44 int change; 45 int processState; 46 } 47 48 ChangeItem pendingChange; 49 UidRecord(int _uid)50 public UidRecord(int _uid) { 51 uid = _uid; 52 reset(); 53 } 54 reset()55 public void reset() { 56 curProcState = ActivityManager.PROCESS_STATE_CACHED_EMPTY; 57 } 58 toString()59 public String toString() { 60 StringBuilder sb = new StringBuilder(128); 61 sb.append("UidRecord{"); 62 sb.append(Integer.toHexString(System.identityHashCode(this))); 63 sb.append(' '); 64 UserHandle.formatUid(sb, uid); 65 sb.append(' '); 66 sb.append(ProcessList.makeProcStateString(curProcState)); 67 if (lastBackgroundTime > 0) { 68 sb.append(" bg:"); 69 TimeUtils.formatDuration(SystemClock.elapsedRealtime()-lastBackgroundTime, sb); 70 } 71 if (idle) { 72 sb.append(" idle"); 73 } 74 sb.append(" procs:"); 75 sb.append(numProcs); 76 sb.append("}"); 77 return sb.toString(); 78 } 79 } 80