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/*
* Copyright (C) 2015 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.
*/
package com.android.ahat;
import com.android.ahat.heapdump.AhatHeap;
import com.android.ahat.heapdump.AhatSnapshot;
import com.android.ahat.heapdump.Site;
import com.android.ahat.heapdump.Sort;
import java.io.IOException;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
class SiteHandler implements AhatHandler {
private static final String ALLOCATION_SITE_ID = "frames";
private static final String SITES_CALLED_ID = "called";
private static final String OBJECTS_ALLOCATED_ID = "objects";
private AhatSnapshot mSnapshot;
public SiteHandler(AhatSnapshot snapshot) {
mSnapshot = snapshot;
}
@Override
public void handle(Doc doc, Query query) throws IOException {
int id = query.getInt("id", 0);
int depth = query.getInt("depth", 0);
Site site = mSnapshot.getSite(id, depth);
doc.title("Site");
doc.big(Summarizer.summarize(site));
doc.section("Allocation Site");
SitePrinter.printSite(mSnapshot, doc, query, ALLOCATION_SITE_ID, site);
doc.section("Sites Called from Here");
List<Site> children = site.getChildren();
if (children.isEmpty()) {
doc.println(DocString.text("(none)"));
} else {
Collections.sort(children, Sort.defaultSiteCompare(mSnapshot));
HeapTable.TableConfig<Site> table = new HeapTable.TableConfig<Site>() {
public String getHeapsDescription() {
return "Reachable Bytes Allocated on Heap";
}
public long getSize(Site element, AhatHeap heap) {
return element.getSize(heap);
}
public List<HeapTable.ValueConfig<Site>> getValueConfigs() {
HeapTable.ValueConfig<Site> value = new HeapTable.ValueConfig<Site>() {
public String getDescription() {
return "Child Site";
}
public DocString render(Site element) {
return Summarizer.summarize(element);
}
};
return Collections.singletonList(value);
}
};
HeapTable.render(doc, query, SITES_CALLED_ID, table, mSnapshot, children);
}
doc.section("Objects Allocated");
doc.table(
new Column("Reachable Bytes Allocated", Column.Align.RIGHT),
new Column("Δ", Column.Align.RIGHT, mSnapshot.isDiffed()),
new Column("Instances", Column.Align.RIGHT),
new Column("Δ", Column.Align.RIGHT, mSnapshot.isDiffed()),
new Column("Heap"),
new Column("Class"));
List<Site.ObjectsInfo> infos = site.getObjectsInfos();
Comparator<Site.ObjectsInfo> compare = new Sort.WithPriority<Site.ObjectsInfo>(
Sort.OBJECTS_INFO_BY_HEAP_NAME,
Sort.OBJECTS_INFO_BY_SIZE,
Sort.OBJECTS_INFO_BY_CLASS_NAME);
Collections.sort(infos, compare);
SubsetSelector<Site.ObjectsInfo> selector
= new SubsetSelector(query, OBJECTS_ALLOCATED_ID, infos);
for (Site.ObjectsInfo info : selector.selected()) {
Site.ObjectsInfo baseinfo = info.getBaseline();
String className = info.getClassName();
doc.row(
DocString.format("%,14d", info.numBytes),
DocString.delta(false, false, info.numBytes, baseinfo.numBytes),
DocString.link(
DocString.formattedUri("objects?id=%d&depth=%d&heap=%s&class=%s",
site.getId(), site.getDepth(), info.heap.getName(), className),
DocString.format("%,14d", info.numInstances)),
DocString.delta(false, false, info.numInstances, baseinfo.numInstances),
DocString.text(info.heap.getName()),
Summarizer.summarize(info.classObj));
}
doc.end();
selector.render(doc);
}
}