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.ahat; 18 19 import com.android.tools.perflib.heap.Heap; 20 import java.io.IOException; 21 import java.io.File; 22 import java.util.Collections; 23 import java.util.List; 24 25 class OverviewHandler implements AhatHandler { 26 27 private static final String OVERVIEW_ID = "overview"; 28 29 private AhatSnapshot mSnapshot; 30 private File mHprof; 31 32 public OverviewHandler(AhatSnapshot snapshot, File hprof) { 33 mSnapshot = snapshot; 34 mHprof = hprof; 35 } 36 37 @Override 38 public void handle(Doc doc, Query query) throws IOException { 39 doc.title("Overview"); 40 41 doc.section("General Information"); 42 doc.descriptions(); 43 doc.description( 44 DocString.text("ahat version"), 45 DocString.format("ahat-%s", OverviewHandler.class.getPackage().getImplementationVersion())); 46 doc.description(DocString.text("hprof file"), DocString.text(mHprof.toString())); 47 doc.end(); 48 49 doc.section("Heap Sizes"); 50 printHeapSizes(doc, query); 51 52 List<InstanceUtils.NativeAllocation> allocs = mSnapshot.getNativeAllocations(); 53 if (!allocs.isEmpty()) { 54 doc.section("Registered Native Allocations"); 55 long totalSize = 0; 56 for (InstanceUtils.NativeAllocation alloc : allocs) { 57 totalSize += alloc.size; 58 } 59 doc.descriptions(); 60 doc.description(DocString.text("Number of Registered Native Allocations"), 61 DocString.format("%,14d", allocs.size())); 62 doc.description(DocString.text("Total Size of Registered Native Allocations"), 63 DocString.format("%,14d", totalSize)); 64 doc.end(); 65 } 66 67 doc.big(Menu.getMenu()); 68 } 69 70 private void printHeapSizes(Doc doc, Query query) { 71 List<Object> dummy = Collections.singletonList(null); 72 73 HeapTable.TableConfig<Object> table = new HeapTable.TableConfig<Object>() { 74 public String getHeapsDescription() { 75 return "Bytes Retained by Heap"; 76 } 77 78 public long getSize(Object element, Heap heap) { 79 return mSnapshot.getHeapSize(heap); 80 } 81 82 public List<HeapTable.ValueConfig<Object>> getValueConfigs() { 83 return Collections.emptyList(); 84 } 85 }; 86 HeapTable.render(doc, query, OVERVIEW_ID, table, mSnapshot, dummy); 87 } 88 } 89 90
