diff options
author | Mike Lockwood <lockwood@google.com> | 2013-08-28 09:44:17 -0700 |
---|---|---|
committer | Mike Lockwood <lockwood@google.com> | 2013-08-28 09:44:17 -0700 |
commit | 9f6a119c8aa276432ece4fe2118bd8a3c9b1067e (patch) | |
tree | 1391656f9ad624aa99d4c7d2880d38121801a424 /tools/preload/LoadedClass.java | |
parent | 647b6f5ed276bf93d95e5801e5e8af2802ef5fbb (diff) |
Move frameworks/base/tools/ to frameworks/tools/
Change-Id: I3ffafdab27cc4aca256c3a5806b630795b75d5c8
Diffstat (limited to 'tools/preload/LoadedClass.java')
-rw-r--r-- | tools/preload/LoadedClass.java | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/tools/preload/LoadedClass.java b/tools/preload/LoadedClass.java deleted file mode 100644 index 86e5dfc0331a..000000000000 --- a/tools/preload/LoadedClass.java +++ /dev/null @@ -1,130 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -import java.io.Serializable; -import java.util.*; - -/** - * A loaded class. - */ -class LoadedClass implements Serializable, Comparable<LoadedClass> { - - private static final long serialVersionUID = 0; - - /** Class name. */ - final String name; - - /** Load operations. */ - final List<Operation> loads = new ArrayList<Operation>(); - - /** Static initialization operations. */ - final List<Operation> initializations = new ArrayList<Operation>(); - - /** Memory usage gathered by loading only this class in its own VM. */ - MemoryUsage memoryUsage = MemoryUsage.NOT_AVAILABLE; - - /** - * Whether or not this class was loaded in the system class loader. - */ - final boolean systemClass; - - /** Whether or not this class will be preloaded. */ - boolean preloaded; - - /** Constructs a new class. */ - LoadedClass(String name, boolean systemClass) { - this.name = name; - this.systemClass = systemClass; - } - - void measureMemoryUsage() { - this.memoryUsage = MemoryUsage.forClass(name); - } - - int mlt = -1; - - /** Median time to load this class. */ - int medianLoadTimeMicros() { - if (mlt != -1) { - return mlt; - } - - return mlt = calculateMedian(loads); - } - - int mit = -1; - - /** Median time to initialize this class. */ - int medianInitTimeMicros() { - if (mit != -1) { - return mit; - } - - return mit = calculateMedian(initializations); - } - - int medianTimeMicros() { - return medianInitTimeMicros() + medianLoadTimeMicros(); - } - - /** Calculates the median duration for a list of operations. */ - private static int calculateMedian(List<Operation> operations) { - int size = operations.size(); - if (size == 0) { - return 0; - } - - int[] times = new int[size]; - for (int i = 0; i < size; i++) { - times[i] = operations.get(i).exclusiveTimeMicros(); - } - - Arrays.sort(times); - int middle = size / 2; - if (size % 2 == 1) { - // Odd - return times[middle]; - } else { - // Even -- average the two. - return (times[middle - 1] + times[middle]) / 2; - } - } - - /** Returns names of processes that loaded this class. */ - Set<String> processNames() { - Set<String> names = new HashSet<String>(); - addProcessNames(loads, names); - addProcessNames(initializations, names); - return names; - } - - private void addProcessNames(List<Operation> ops, Set<String> names) { - for (Operation operation : ops) { - if (operation.process.fromZygote()) { - names.add(operation.process.name); - } - } - } - - public int compareTo(LoadedClass o) { - return name.compareTo(o.name); - } - - @Override - public String toString() { - return name; - } -} |