19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.Serializable; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An operation with a duration. Could represent a class load or initialization. 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass Operation implements Serializable { 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final long serialVersionUID = 0; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Type of operation. 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project enum Type { 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOAD, INIT 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Process this operation occurred in. */ 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Proc process; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Start time for this operation. */ 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long startTimeNanos; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Index of this operation relative to its process. */ 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int index; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Type of operation. */ 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Type type; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** End time for this operation. */ 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long endTimeNanos = -1; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The class that this operation loaded or initialized. */ 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final LoadedClass loadedClass; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Other operations that occurred during this one. */ 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final List<Operation> subops = new ArrayList<Operation>(); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Constructs a new operation. */ 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Operation(Proc process, LoadedClass loadedClass, long startTimeNanos, 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int index, Type type) { 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.process = process; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.loadedClass = loadedClass; 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.startTimeNanos = startTimeNanos; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.index = index; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.type = type; 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns how long this class initialization and all the nested class 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * initializations took. 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long inclusiveTimeNanos() { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (endTimeNanos == -1) { 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("End time hasn't been set yet: " 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + loadedClass.name); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return endTimeNanos - startTimeNanos; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns how long this class initialization took. 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int exclusiveTimeMicros() { 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long exclusive = inclusiveTimeNanos(); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (Operation child : subops) { 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project exclusive -= child.inclusiveTimeNanos(); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (exclusive < 0) { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new AssertionError(loadedClass.name); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return nanosToMicros(exclusive); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Gets the median time that this operation took across all processes. */ 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int medianExclusiveTimeMicros() { 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (type) { 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case LOAD: return loadedClass.medianLoadTimeMicros(); 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case INIT: return loadedClass.medianInitTimeMicros(); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: throw new AssertionError(); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Converts nanoseconds to microseconds. 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws RuntimeException if overflow occurs 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static int nanosToMicros(long nanos) { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long micros = nanos / 1000; 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int microsInt = (int) micros; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (microsInt != micros) { 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Integer overflow: " + nanos); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return microsInt; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Primarily for debugger support 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String toString() { 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sb = new StringBuilder(); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(type.toString()); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(' '); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(loadedClass.toString()); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (subops.size() > 0) { 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(" ("); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(subops.size()); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sb.append(" sub ops)"); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sb.toString(); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 137