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.bugreport.stacks; 18 19 import java.util.ArrayList; 20 import java.util.HashMap; 21 22 /** 23 * One thread in a vm traces snapshot. 24 */ 25 public class ThreadSnapshot implements Comparable<ThreadSnapshot> { 26 public static final int TYPE_UNMANAGED = 0; 27 public static final int TYPE_MANAGED = 1; 28 29 public int type; 30 public String name; 31 public String daemon; 32 public int priority; 33 public int tid = -1; 34 public int sysTid = -1; 35 public String vmState; 36 public ArrayList<String> attributeText = new ArrayList<String>(); 37 public String heldMutexes; 38 public ArrayList<StackFrameSnapshot> frames = new ArrayList<StackFrameSnapshot>(); 39 public boolean runnable; 40 41 public boolean blocked; 42 43 public String outboundBinderPackage; 44 public String outboundBinderClass; 45 public String outboundBinderMethod; 46 47 public String inboundBinderPackage; 48 public String inboundBinderClass; 49 public String inboundBinderMethod; 50 51 public boolean interesting; 52 53 public HashMap<String,LockSnapshot> locks = new HashMap<String,LockSnapshot>(); 54 55 /** 56 * Construct an empty ThreadSnapshot. 57 */ ThreadSnapshot()58 public ThreadSnapshot() { 59 } 60 61 /** 62 * Construct a deep copy of the ThreadSnapshot. 63 */ ThreadSnapshot(ThreadSnapshot that)64 public ThreadSnapshot(ThreadSnapshot that) { 65 this.name = that.name; 66 this.daemon = that.daemon; 67 this.priority = that.priority; 68 this.tid = that.tid; 69 this.sysTid = that.sysTid; 70 this.vmState = that.vmState; 71 int N = that.attributeText.size(); 72 for (int i=0; i<N; i++) { 73 this.attributeText.add(that.attributeText.get(i)); 74 } 75 this.heldMutexes = that.heldMutexes; 76 N = that.frames.size(); 77 for (int i=0; i<N; i++) { 78 this.frames.add(that.frames.get(i).clone()); 79 } 80 this.runnable = that.runnable; 81 this.blocked = that.blocked; 82 this.outboundBinderPackage = that.outboundBinderPackage; 83 this.outboundBinderClass = that.outboundBinderClass; 84 this.outboundBinderMethod = that.outboundBinderMethod; 85 this.inboundBinderPackage = that.inboundBinderPackage; 86 this.inboundBinderClass = that.inboundBinderClass; 87 this.inboundBinderMethod = that.inboundBinderMethod; 88 this.interesting = that.interesting; 89 } 90 91 /** 92 * Make a deep copy of the ThreadSnapshot. 93 */ 94 @Override clone()95 public ThreadSnapshot clone() { 96 return new ThreadSnapshot(this); 97 } 98 99 /** 100 * Compares the threads based on their tid. 101 */ compareTo(ThreadSnapshot that)102 public int compareTo(ThreadSnapshot that) { 103 int cmp = this.tid - that.tid; 104 if (cmp != 0) return cmp; 105 return this.sysTid - that.sysTid; 106 } 107 108 /** 109 * Returns true if this thread has an ingoing or an outgoing binder call. 110 */ isBinder()111 public boolean isBinder() { 112 return this.outboundBinderPackage != null 113 || this.outboundBinderClass != null 114 || this.outboundBinderMethod != null 115 || this.inboundBinderPackage != null 116 || this.inboundBinderClass != null 117 || this.inboundBinderMethod != null; 118 } 119 } 120 121