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https://github.com/eclipse-cdt/cdt
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Bug #69078: C/C++ indexer too slow.
Tests for performance measurement. Indexer code changes were applied before.
This commit is contained in:
Oleg Krasilnikov
parent
681c59c039
commit
6a803d0d95
1 changed files with 244 additions and 0 deletions
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/**********************************************************************
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* Copyright (c) 2002, 2005 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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/*
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* Created on Jun 19, 2003
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*/
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package org.eclipse.cdt.core.indexer.tests;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipFile;
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import junit.framework.Test;
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import junit.framework.TestCase;
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import junit.framework.TestSuite;
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import org.eclipse.cdt.core.CCorePlugin;
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import org.eclipse.cdt.core.ICDescriptor;
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import org.eclipse.cdt.core.ICDescriptorOperation;
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import org.eclipse.cdt.core.index.IIndexChangeListener;
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import org.eclipse.cdt.core.index.IIndexDelta;
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import org.eclipse.cdt.core.index.IndexChangeEvent;
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import org.eclipse.cdt.core.testplugin.CProjectHelper;
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import org.eclipse.cdt.core.testplugin.CTestPlugin;
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import org.eclipse.cdt.internal.core.index.domsourceindexer.DOMSourceIndexer;
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import org.eclipse.cdt.internal.core.search.indexing.IndexManager;
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import org.eclipse.core.resources.IFile;
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import org.eclipse.core.resources.IProject;
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import org.eclipse.core.runtime.CoreException;
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import org.eclipse.core.runtime.IPath;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.core.runtime.NullProgressMonitor;
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import org.eclipse.core.runtime.Path;
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/**
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* @author bgheorgh
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*/
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public class DOMSourceIndexerPerfTests extends TestCase {
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IProject testProject;
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DOMSourceIndexer sourceIndexer;
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IndexManager indexManager;
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static long timeC = 0;
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static long timeCPP = 0;
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static int countC = 0;
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static int countCPP = 0;
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static final int MAXCOUNT = 10;
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/**
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* @param name
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*/
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public DOMSourceIndexerPerfTests(String name) {
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super(name);
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}
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public void resetIndexer(final String indexerId){
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if ( testProject != null) {
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ICDescriptorOperation op = new ICDescriptorOperation() {
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public void execute(ICDescriptor descriptor, IProgressMonitor monitor) throws CoreException {
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descriptor.remove(CCorePlugin.INDEXER_UNIQ_ID);
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descriptor.create(CCorePlugin.INDEXER_UNIQ_ID,indexerId);
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}
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};
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try {
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CCorePlugin.getDefault().getCDescriptorManager().runDescriptorOperation(testProject, op, new NullProgressMonitor());
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CCorePlugin.getDefault().getCoreModel().getIndexManager().indexerChangeNotification(testProject);
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} catch (CoreException e) {}
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}
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}
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public static void main(String[] args) {}
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/*
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* @see TestCase#setUp()
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*/
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protected void setUp() throws Exception {
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super.setUp();
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testProject = CProjectHelper.createCCProject("IndexerTestProject", "bin").getProject(); //$NON-NLS-1$
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assertNotNull("Unable to create project", testProject); //$NON-NLS-1$
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resetIndexer(CCorePlugin.DEFAULT_INDEXER_UNIQ_ID);
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indexManager = CCorePlugin.getDefault().getCoreModel().getIndexManager();
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sourceIndexer = (DOMSourceIndexer) indexManager.getIndexerForProject(testProject);
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}
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/*
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* @see TestCase#tearDown()
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*/
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protected void tearDown() {
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try {
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super.tearDown();
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} catch (Exception e1) {}
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//Delete project
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if (testProject.exists()) {
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try {
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System.gc();
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System.runFinalization();
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testProject.delete(true, null);
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} catch (CoreException e) {
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fail(getMessage(e.getStatus()));
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}
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}
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}
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/**
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* Makes error message from multistatus
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*
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* @param status
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* @return
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*/
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private String getMessage(IStatus status) {
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StringBuffer message = new StringBuffer("["); //$NON-NLS-1$
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message.append(status.getMessage());
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if (status.isMultiStatus()) {
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IStatus children[] = status.getChildren();
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for (int i = 0; i < children.length; i++) {
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message.append(getMessage(children[i]));
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}
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}
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message.append("]"); //$NON-NLS-1$
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return message.toString();
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}
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public static Test suite() {
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timeC = 0;
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timeCPP = 0;
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countC = 0;
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countCPP = 0;
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TestSuite suite = new TestSuite(DOMSourceIndexerPerfTests.class.getName());
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Test t1 = new DOMSourceIndexerPerfTests("testC"); //$NON-NLS-1$
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Test t2 = new DOMSourceIndexerPerfTests("testCPP"); //$NON-NLS-1$
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for (int i = 0; i < MAXCOUNT; i++) {
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suite.addTest(t1);
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suite.addTest(t2);
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}
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return suite;
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}
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/**
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* Unpack archive contents to project directory
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*
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* @param name - name of archive file w/o extension
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* @param mask - pattern to check file extensions
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* @return - list of files which fit to pattern
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*/
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private ArrayList unzip(String name, String mask) {
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ArrayList lst = new ArrayList(20);
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byte[] buffer = new byte[512];
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String archname = "resources/zips/" + name + ".zip";
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ZipFile zipFile = null;
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try {
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zipFile = new ZipFile(CTestPlugin.getDefault().getFileInPlugin(new Path(archname)));
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IPath projPath = testProject.getLocation();
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Enumeration entries = zipFile.entries();
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while (entries.hasMoreElements()) {
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ZipEntry entry = (ZipEntry)entries.nextElement();
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if (!entry.isDirectory()) {
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IPath entryPath = projPath.append(entry.getName());
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InputStream in = zipFile.getInputStream(entry);
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OutputStream out = new FileOutputStream(entryPath.toFile());
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for (int n = in.read(buffer); n >= 0; n = in.read(buffer))
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out.write(buffer, 0, n);
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in.close();
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out.close();
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if (entryPath.lastSegment().endsWith(mask)) {
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lst.add(entryPath.lastSegment());
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}
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}
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}
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zipFile.close();
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} catch (IOException e) {
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fail("Unzip error with " + archname + " : " + e.getLocalizedMessage());
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}
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return lst;
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}
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/**
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* Adds files from list to index and counts indexing time
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*
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* @param lst - list of file names to be added
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* @return - time (in ms) spent for indexing
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*/
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private long indexFiles(ArrayList lst) {
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// wait for finish of other indexing processes, if any
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while(indexManager.awaitingJobsCount()>0) {
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try { Thread.sleep(20);
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} catch (InterruptedException e) {}
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}
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System.gc();
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long t0 = System.currentTimeMillis();
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for (int i=0; i<lst.size(); i++) {
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IFile f = testProject.getProject().getFile((String)(lst.get(i)));
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sourceIndexer.addResource(testProject, f);
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}
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while(indexManager.awaitingJobsCount()>0) {
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try { Thread.sleep(20);
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} catch (InterruptedException e) {}
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}
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return (System.currentTimeMillis() - t0);
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}
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/**
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* Test C source indexation
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* @throws Exception
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*/
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public void testC() throws Exception {
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long t0 = indexFiles(unzip("perf1", ".c"));
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timeC += t0; countC++;
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System.out.println("Index performance: " + t0 + " ms on C source[" + countC + "]");
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if (countC == MAXCOUNT) {
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System.out.println("Average performance on " + MAXCOUNT + " C passes: " + (timeC/MAXCOUNT));
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}
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}
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/**
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* Test C++ source indexation
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* @throws Exception
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*/
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public void testCPP() throws Exception {
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long t0 = indexFiles(unzip("perf2", ".cpp"));
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timeCPP += t0; countCPP++;
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System.out.println("Index performance: " + t0 + " ms on C++ source[" + countCPP + "]");
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if (countCPP == MAXCOUNT) {
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System.out.println("Average performance on " + MAXCOUNT + " C++ passes: " + (timeCPP/MAXCOUNT));
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}
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}
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}
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