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.util.Collections; 22 import java.util.Comparator; 23 import java.util.List; 24 25 class SiteHandler implements AhatHandler { 26 private static final String ALLOCATION_SITE_ID = "frames"; 27 private static final String SITES_CALLED_ID = "called"; 28 private static final String OBJECTS_ALLOCATED_ID = "objects"; 29 30 private AhatSnapshot mSnapshot; 31 SiteHandler(AhatSnapshot snapshot)32 public SiteHandler(AhatSnapshot snapshot) { 33 mSnapshot = snapshot; 34 } 35 36 @Override handle(Doc doc, Query query)37 public void handle(Doc doc, Query query) throws IOException { 38 int stackId = query.getInt("stack", 0); 39 int depth = query.getInt("depth", -1); 40 Site site = mSnapshot.getSite(stackId, depth); 41 42 doc.title("Site %s", site.getName()); 43 doc.section("Allocation Site"); 44 SitePrinter.printSite(mSnapshot, doc, query, ALLOCATION_SITE_ID, site); 45 46 doc.section("Sites Called from Here"); 47 List<Site> children = site.getChildren(); 48 if (children.isEmpty()) { 49 doc.println(DocString.text("(none)")); 50 } else { 51 Collections.sort(children, new Sort.SiteBySize("app")); 52 53 HeapTable.TableConfig<Site> table = new HeapTable.TableConfig<Site>() { 54 public String getHeapsDescription() { 55 return "Reachable Bytes Allocated on Heap"; 56 } 57 58 public long getSize(Site element, Heap heap) { 59 return element.getSize(heap.getName()); 60 } 61 62 public List<HeapTable.ValueConfig<Site>> getValueConfigs() { 63 HeapTable.ValueConfig<Site> value = new HeapTable.ValueConfig<Site>() { 64 public String getDescription() { 65 return "Child Site"; 66 } 67 68 public DocString render(Site element) { 69 return DocString.link( 70 DocString.formattedUri("site?stack=%d&depth=%d", 71 element.getStackId(), element.getStackDepth()), 72 DocString.text(element.getName())); 73 } 74 }; 75 return Collections.singletonList(value); 76 } 77 }; 78 HeapTable.render(doc, query, SITES_CALLED_ID, table, mSnapshot, children); 79 } 80 81 doc.section("Objects Allocated"); 82 doc.table( 83 new Column("Reachable Bytes Allocated", Column.Align.RIGHT), 84 new Column("Instances", Column.Align.RIGHT), 85 new Column("Heap"), 86 new Column("Class")); 87 List<Site.ObjectsInfo> infos = site.getObjectsInfos(); 88 Comparator<Site.ObjectsInfo> compare = new Sort.WithPriority<Site.ObjectsInfo>( 89 new Sort.ObjectsInfoByHeapName(), 90 new Sort.ObjectsInfoBySize(), 91 new Sort.ObjectsInfoByClassName()); 92 Collections.sort(infos, compare); 93 SubsetSelector<Site.ObjectsInfo> selector 94 = new SubsetSelector(query, OBJECTS_ALLOCATED_ID, infos); 95 for (Site.ObjectsInfo info : selector.selected()) { 96 String className = AhatSnapshot.getClassName(info.classObj); 97 doc.row( 98 DocString.format("%,14d", info.numBytes), 99 DocString.link( 100 DocString.formattedUri("objects?stack=%d&depth=%d&heap=%s&class=%s", 101 site.getStackId(), site.getStackDepth(), info.heap.getName(), className), 102 DocString.format("%,14d", info.numInstances)), 103 DocString.text(info.heap.getName()), 104 Value.render(mSnapshot, info.classObj)); 105 } 106 doc.end(); 107 selector.render(doc); 108 } 109 } 110 111