/*******************************************************************************
* Copyright (c) 2003, 2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.test.internal.performance;
import java.util.Map;
import org.eclipse.test.internal.performance.data.Dim;
import org.eclipse.test.internal.performance.data.Scalar;
class PerformanceMonitor {
private static PerformanceMonitor fgPerformanceMonitor;
public static PerformanceMonitor getPerformanceMonitor() {
if (fgPerformanceMonitor == null) {
String os= System.getProperty("os.name"); //$NON-NLS-1$
if (os.startsWith("Windows")) //$NON-NLS-1$
fgPerformanceMonitor= new PerformanceMonitorWindows();
else if (os.startsWith("Mac OS X")) //$NON-NLS-1$
fgPerformanceMonitor= new PerformanceMonitorMac();
else
fgPerformanceMonitor= new PerformanceMonitorLinux();
}
return fgPerformanceMonitor;
}
protected void collectOperatingSystemCounters(Map scalars) {
if (PerformanceTestPlugin.isOldDB()) {
addScalar(scalars, InternalDimensions.SYSTEM_TIME, System.currentTimeMillis());
} else {
Runtime runtime= Runtime.getRuntime();
//runtime.gc();
addScalar(scalars, InternalDimensions.USED_JAVA_HEAP, runtime.totalMemory() - runtime.freeMemory());
}
}
protected void collectGlobalPerformanceInfo(Map scalars) {
// no default implementation
}
void addScalar(Map scalars, Dim dimension, long value) {
scalars.put(dimension, new Scalar(dimension, value));
}
}