/*******************************************************************************
* 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 org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import at.tuwien.minimee.migration.parser.HPROF_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 HPROF profiler to monitor native Java
* migration processes
* @author cbu
*
*/
public class MonitorEngineHPROF 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(outputFile+".hprof").delete();
}
@Override
protected String prepareCommand(ToolConfig config, String params, String inputFile, String outputFile, long time) throws Exception {
String outputTXTFile=outputFile+".hprof ";
String monitoringCmd="java -agentlib:hprof=format=a,verbose=n,heap=sites,depth=0,file="+outputTXTFile+" -jar ";
String command = monitoringCmd + " " + config.getTool().getExecutablePath() + " " + config.getParams() + " "+ inputFile + " " + outputFile;
log.info("Command HPROF: "+command);
return command;
}
@Override
protected void collectData(ToolConfig config, long time, MigrationResult result) {
HPROF_Parser p = new HPROF_Parser();
p.parse(makeOutputFilename(config, time)+".hprof");
for (Measure measure: getMeasures()) {
Measurement m = new Measurement();
m.setMeasureId(measure.getUri());
PositiveFloatValue v = (PositiveFloatValue) measure.getScale().createValue();
// if (property.getName().equals(MigrationResult.MIGRES_MEMORY_GROSS)) {
// v.setValue(p.getTotal_allocated());
// }
// if (property.getName().equals(MigrationResult.MIGRES_MEMORY_NET)) {
// v.setValue(p.getTotal_virtual());
// }
if (measure.getUri().equals(MigrationResult.MIGRES_MEMORY_GROSS)) {
v.setValue(p.getTotal_allocated());
}
/**
* this is NOT the total virtual memory used during execution
* it's the virtual memory still allocated when HProf collects information
* - if garbage collector was called, this value is lower than the actual v-memory consumption
*/
if (measure.getUri().equals("performance:totalVirtualMemory")) {
v.setValue(p.getTotal_virtual());
}
if (measure.getUri().equals("performance:totalAllocatedMemory")) {
v.setValue(p.getTotal_allocated());
}
m.setValue(v);
result.getMeasurements().put(measure.getUri(), m);
}
}
}