/*******************************************************************************
* Copyright 2006 - 2012 Vienna University of Technology,
* Department of Software Technology and Interactive Systems, IFS
*
* 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 at.tuwien.minimee.migration.engines;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import at.tuwien.minimee.migration.parser.Jip_Parser;
import at.tuwien.minimee.model.ToolConfig;
import eu.scape_project.planning.model.beans.MigrationResult;
import eu.scape_project.planning.model.measurement.Measure;
import eu.scape_project.planning.model.measurement.Measurement;
import eu.scape_project.planning.model.values.PositiveFloatValue;
/**
* This engine uses the Java Interactive Profiler (JIP) to monitor
* native Java migration processes
* @author cbu
*
*/
public class MonitorEngineJIP extends MiniMeeDefaultMigrationEngine {
private Logger log = LoggerFactory.getLogger(this.getClass());
@Override
protected void cleanup(long time, String inputFile, String outputFile) {
super.cleanup(time, inputFile, outputFile);
new File(makeConfigfileName(time)).delete();
new File(makeJIPOutFilename(time)+".txt").delete();
}
private String makeConfigfileName(long time) {
return getTempDir()+time+"jip.properties";
}
/**
* this returns the parameter we are providing to JIP.
* NOTE THAT JIP WILL APPEND .txt TO THIS!
* @param time
* @return
*/
private String makeJIPOutFilename(long time) {
return getTempDir()+time+"jip.out";
}
private void writeJIPconfigFile(long time) throws IOException {
FileWriter w =new FileWriter(new File(makeConfigfileName(time)));
w.write("ClassLoaderFilter.1=com.mentorgen.tools.profile.instrument.clfilter.StandardClassLoaderFilter\n");
w.write("thread.compact.threshold.ms=1\n");
w.write("method.compact.threshold.ms=1\n");
w.write("file=");
w.write(makeJIPOutFilename(time)+"\n"); //JIP will append .txt!
w.write("track.object.alloc=on\n");
w.write("output=text\n");
w.write("output-method-signatures=yes");
w.flush();
w.close();
}
@Override
protected String prepareCommand(ToolConfig config, String params, String inputFile, String outputFile, long time) throws Exception {
writeJIPconfigFile(time);
StringBuffer command = new StringBuffer();
command.append("java -Xmx512m -javaagent:");
command.append(getConfigParam());
command.append(" -Dprofile.properties=");
command.append(makeConfigfileName(time));
command.append(" -jar ");
command.append(config.getTool().getExecutablePath());
command.append(" ");
command.append(config.getParams());
command.append(" ");
command.append(inputFile);
command.append(" ");
command.append(outputFile);
String cmd = command.toString();
log.info("Command JIP: "+cmd);
return cmd;
}
@Override
protected void collectData(ToolConfig config, long time, MigrationResult result) {
super.collectData(config, time, result);
double totalTime = new Jip_Parser().getTotalTime(makeJIPOutFilename(time)+".txt");
for (Measure measure: getMeasures()) {
Measurement m = new Measurement();
m.setMeasureId(measure.getUri());
PositiveFloatValue v = (PositiveFloatValue) measure.getScale().createValue();
if (measure.getUri().equals("performance:totalTimeInJava")) {
v.setValue(totalTime);
}
// if (property.getName().equals(MigrationResult.MIGRES_USED_TIME)) {
// v.setValue(totalTime);
// }
m.setValue(v);
result.getMeasurements().put(measure.getUri(), m);
}
}
}