/*
* Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the Classpath exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.btrace.samples;
import com.sun.btrace.annotations.*;
import static com.sun.btrace.BTraceUtils.*;
/*
* This BTrace script inserts a probe into
* method entry of java.lang.Thread.start() method.
* At each Thread.start(), it raises a DTrace probe
* in addition to printing the name of the thread.
* A D-script like jthread.d may be used to get the
* associated DTrace probe events.
*/
@BTrace public class ThreadStart {
@OnMethod(
clazz="java.lang.Thread",
method="start"
)
public static void onnewThread(@Self Thread t) {
D.probe("jthreadstart", Threads.name(t));
println("starting " + Threads.name(t));
}
}