85 lines
2.8 KiB
Java
85 lines
2.8 KiB
Java
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import android.util.Log;
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import android.os.Debug;
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/**
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* Loads a class, runs the garbage collector, and prints showmap output.
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*
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* <p>Usage: dalvikvm LoadClass [class name]
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*/
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class LoadClass {
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public static void main(String[] args) {
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System.loadLibrary("android_runtime");
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if (registerNatives() < 0) {
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throw new RuntimeException("Error registering natives.");
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}
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Debug.startAllocCounting();
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if (args.length > 0) {
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try {
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long start = System.currentTimeMillis();
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Class.forName(args[0]);
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long elapsed = System.currentTimeMillis() - start;
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Log.i("LoadClass", "Loaded " + args[0] + " in " + elapsed
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+ "ms.");
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} catch (ClassNotFoundException e) {
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Log.w("LoadClass", e);
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return;
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}
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}
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System.gc();
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int allocCount = Debug.getGlobalAllocCount();
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int allocSize = Debug.getGlobalAllocSize();
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int freedCount = Debug.getGlobalFreedCount();
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int freedSize = Debug.getGlobalFreedSize();
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long nativeHeapSize = Debug.getNativeHeapSize();
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Debug.stopAllocCounting();
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StringBuilder response = new StringBuilder("DECAFBAD");
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int[] pages = new int[6];
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Debug.MemoryInfo memoryInfo = new Debug.MemoryInfo();
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Debug.getMemoryInfo(memoryInfo);
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response.append(',').append(memoryInfo.nativeSharedDirty);
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response.append(',').append(memoryInfo.dalvikSharedDirty);
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response.append(',').append(memoryInfo.otherSharedDirty);
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response.append(',').append(memoryInfo.nativePrivateDirty);
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response.append(',').append(memoryInfo.dalvikPrivateDirty);
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response.append(',').append(memoryInfo.otherPrivateDirty);
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response.append(',').append(allocCount);
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response.append(',').append(allocSize);
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response.append(',').append(freedCount);
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response.append(',').append(freedSize);
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response.append(',').append(nativeHeapSize);
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System.out.println(response.toString());
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}
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/**
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* Registers native functions. See AndroidRuntime.cpp.
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*/
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static native int registerNatives();
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}
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