/*
* © Copyright IBM Corp. 2012-2013
*
* 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 com.ibm.commons.util.profiler;
import java.lang.instrument.Instrumentation;
import java.lang.reflect.Field;
/**
* Interface with the Java Profiler API.
* @ibm-not-published
*/
public class JVMPIInterface {
private static Instrumentation instrumentation;
static {
try {
// Look if a well known agent had been installed
Class<?> c = JVMPIInterface.class.getClassLoader().getSystemClassLoader().loadClass("com.ibm.commons.util.profiler.JVMPIAgent"); // $NON-NLS-1$
// Then read its instrumentation
Field f = c.getField("instrumentation"); // $NON-NLS-1$
instrumentation = (Instrumentation)f.get(null);
} catch(Throwable ex) {
// Not available, or error...
//ex.printStackTrace();
}
}
public static Instrumentation getInstrumentation() {
return instrumentation;
}
}