2362N/A * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved. 0N/A * Redistribution and use in source and binary forms, with or without 0N/A * modification, are permitted provided that the following conditions 0N/A * - Redistributions of source code must retain the above copyright 0N/A * notice, this list of conditions and the following disclaimer. 0N/A * - Redistributions in binary form must reproduce the above copyright 0N/A * notice, this list of conditions and the following disclaimer in the 0N/A * documentation and/or other materials provided with the distribution. 2362N/A * - Neither the name of Oracle nor the names of its 0N/A * contributors may be used to endorse or promote products derived 0N/A * from this software without specific prior written permission. 0N/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 0N/A * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 0N/A * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 0N/A * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 0N/A * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 0N/A * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 0N/A * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 0N/A * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 0N/A * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 0N/A * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 0N/A * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 0N/A * 1. method_invocation_stat.d -c "java ..." 0N/A * 2. method_invocation_stat.d -p JAVA_PID 0N/A * This script collects statistics about Java method invocations. 0N/A * - These probes are disabled by default since it incurs performance 0N/A * overhead to the application. To trace the method-entry and 0N/A * method-exit probes, you need to turn on the ExtendedDTraceProbes VM 0N/A * You can either start the application with -XX:+ExtendedDTraceProbes 0N/A * option or use the jinfo command to enable it at runtime as follows: 0N/A * jinfo -flag +ExtendedDTraceProbes <java_pid> 0N/A * hotspot:::method-entry, hotspot:::method-return probe arguments: 0N/A * arg0: uintptr_t, Java thread id 0N/A * arg1: char*, a pointer to mUTF-8 string containing the name of 0N/A * the class of the method being entered 0N/A * arg2: uintptr_t, the length of the class name (in bytes) 0N/A * arg3: char*, a pointer to mUTF-8 string data which contains the 0N/A * name of the method being entered 0N/A * arg4: uintptr_t, the length of the method name (in bytes) 0N/A * arg5: char*, a pointer to mUTF-8 string data which contains the 0N/A * signature of the method being entered 0N/A * arg6: uintptr_t, the length of the signature(in bytes) 0N/A printf(
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