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Posted to fop-commits@xmlgraphics.apache.org by je...@apache.org on 2008/08/21 17:49:14 UTC
svn commit: r687786 - in
/xmlgraphics/fop/trunk/test/java/org/apache/fop/memory: MemoryEater.java
Stats.java
Author: jeremias
Date: Thu Aug 21 08:49:13 2008
New Revision: 687786
URL: http://svn.apache.org/viewvc?rev=687786&view=rev
Log:
Added some performance statistics to MemoryEater.
Added:
xmlgraphics/fop/trunk/test/java/org/apache/fop/memory/Stats.java (with props)
Modified:
xmlgraphics/fop/trunk/test/java/org/apache/fop/memory/MemoryEater.java
Modified: xmlgraphics/fop/trunk/test/java/org/apache/fop/memory/MemoryEater.java
URL: http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/test/java/org/apache/fop/memory/MemoryEater.java?rev=687786&r1=687785&r2=687786&view=diff
==============================================================================
--- xmlgraphics/fop/trunk/test/java/org/apache/fop/memory/MemoryEater.java (original)
+++ xmlgraphics/fop/trunk/test/java/org/apache/fop/memory/MemoryEater.java Thu Aug 21 08:49:13 2008
@@ -34,6 +34,7 @@
import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.stream.StreamSource;
+import org.apache.commons.io.IOUtils;
import org.apache.commons.io.output.NullOutputStream;
import org.apache.fop.apps.FOUserAgent;
@@ -51,28 +52,46 @@
private FopFactory fopFactory = FopFactory.newInstance();
private Templates replicatorTemplates;
+ private Stats stats = new Stats();
+
public MemoryEater() throws TransformerConfigurationException, MalformedURLException {
File xsltFile = new File("test/xsl/fo-replicator.xsl");
Source xslt = new StreamSource(xsltFile);
replicatorTemplates = tFactory.newTemplates(xslt);
}
- private void eatMemory(File foFile, int replicatorRepeats) throws Exception {
+ private void eatMemory(File foFile, int runRepeats, int replicatorRepeats) throws Exception {
+ for (int i = 0; i < runRepeats; i++) {
+ eatMemory(i, foFile, replicatorRepeats);
+ stats.progress(i, runRepeats);
+ }
+ System.out.println(stats.getGoogleChartURL());
+ }
+
+ private void eatMemory(int callIndex, File foFile, int replicatorRepeats) throws Exception {
Source src = new StreamSource(foFile);
Transformer transformer = replicatorTemplates.newTransformer();
transformer.setParameter("repeats", new Integer(replicatorRepeats));
OutputStream out = new NullOutputStream(); //write to /dev/nul
- FOUserAgent userAgent = fopFactory.newFOUserAgent();
- userAgent.setBaseURL(foFile.getParentFile().toURL().toExternalForm());
- Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, userAgent, out);
- Result res = new SAXResult(fop.getDefaultHandler());
-
- transformer.transform(src, res);
-
- System.out.println("Generated " + fop.getResults().getPageCount() + " pages.");
-
+ try {
+ FOUserAgent userAgent = fopFactory.newFOUserAgent();
+ userAgent.setBaseURL(foFile.getParentFile().toURL().toExternalForm());
+ Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, userAgent, out);
+ Result res = new SAXResult(fop.getDefaultHandler());
+
+ transformer.transform(src, res);
+
+ stats.notifyPagesProduced(fop.getResults().getPageCount());
+ if (callIndex == 0) {
+ System.out.println(foFile.getName() + " generates "
+ + fop.getResults().getPageCount() + " pages.");
+ }
+ stats.checkStats();
+ } finally {
+ IOUtils.closeQuietly(out);
+ }
}
private static void prompt() throws IOException {
@@ -108,9 +127,7 @@
long start = System.currentTimeMillis();
MemoryEater app = new MemoryEater();
- for (int i = 0; i < runRepeats; i++) {
- app.eatMemory(testFile, replicatorRepeats);
- }
+ app.eatMemory(testFile, runRepeats, replicatorRepeats);
long duration = System.currentTimeMillis() - start;
System.out.println("Success! Job took " + duration + " ms");
Added: xmlgraphics/fop/trunk/test/java/org/apache/fop/memory/Stats.java
URL: http://svn.apache.org/viewvc/xmlgraphics/fop/trunk/test/java/org/apache/fop/memory/Stats.java?rev=687786&view=auto
==============================================================================
--- xmlgraphics/fop/trunk/test/java/org/apache/fop/memory/Stats.java (added)
+++ xmlgraphics/fop/trunk/test/java/org/apache/fop/memory/Stats.java Thu Aug 21 08:49:13 2008
@@ -0,0 +1,109 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.memory;
+
+import java.util.Iterator;
+import java.util.List;
+
+class Stats {
+
+ private static final int INTERVAL = 2000;
+
+ private long lastProgressDump = System.currentTimeMillis();
+ private int pagesProduced;
+
+ private int step;
+ private int stepCount;
+
+ private List samples = new java.util.LinkedList();
+
+ public void checkStats() {
+ long now = System.currentTimeMillis();
+ if (now > lastProgressDump + INTERVAL) {
+ dumpStats();
+ reset();
+ }
+ }
+
+ public void notifyPagesProduced(int count) {
+ pagesProduced += count;
+ }
+
+ public void reset() {
+ pagesProduced = 0;
+ lastProgressDump = System.currentTimeMillis();
+ }
+
+ public void dumpStats() {
+ long duration = System.currentTimeMillis() - lastProgressDump;
+
+ if (stepCount != 0) {
+ int progress = 100 * step / stepCount;
+ System.out.println("Progress: " + progress + "%, " + (stepCount - step) + " left");
+ }
+
+ long ppm = 60000 * pagesProduced / duration;
+ System.out.println("Speed: " + ppm + "ppm");
+ samples.add(new Sample((int)ppm));
+ }
+
+ public String getGoogleChartURL() {
+ StringBuffer sb = new StringBuffer("http://chart.apis.google.com/chart?");
+ //http://chart.apis.google.com/chart?cht=ls&chd=t:60,40&chs=250x100&chl=Hello|World
+ sb.append("cht=ls");
+ sb.append("&chd=t:");
+ boolean first = true;
+ int maxY = 0;
+ Iterator iter = samples.iterator();
+ while (iter.hasNext()) {
+ Sample sample = (Sample)iter.next();
+ if (first) {
+ first = false;
+ } else {
+ sb.append(',');
+ }
+ sb.append(sample.ppm);
+ maxY = Math.max(maxY, sample.ppm);
+ }
+ int ceilY = ((maxY / 1000) + 1) * 1000;
+ sb.append("&chs=1000x300"); //image size
+ sb.append("&chds=0,").append(ceilY); //data scale
+ sb.append("&chg=0,20"); //scale steps
+ sb.append("&chxt=y");
+ sb.append("&chxl=0:|0|" + ceilY);
+ return sb.toString();
+ }
+
+ private static class Sample {
+
+ private int ppm;
+
+ public Sample(int ppm) {
+ this.ppm = ppm;
+ }
+ }
+
+ public void progress(int step, int stepCount) {
+ this.step = step;
+ this.stepCount = stepCount;
+
+ }
+
+}
Propchange: xmlgraphics/fop/trunk/test/java/org/apache/fop/memory/Stats.java
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Propchange: xmlgraphics/fop/trunk/test/java/org/apache/fop/memory/Stats.java
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