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. monitors.d -c "java ..." 0N/A * 2. monitors.d -p JAVA_PID 0N/A * The script traces monitor related probes. 0N/A * - These probes are disabled by default since it incurs performance 0N/A * overhead to the application. To trace the monitor-* probes, you need 0N/A * to turn on the ExtendedDTraceProbes VM option. 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:::thread-start, hotspot:::thread-stop probe arguments: 0N/A * arg0: char*, thread name passed as mUTF8 string 0N/A * arg1: uintptr_t, thread name length 0N/A * arg2: uintptr_t, Java thread id 0N/A * arg4: uintptr_t, is a daemon or not 0N/A printf(
"thread-start: id=%d, is_daemon=%d, name=%s, os_id=%d\n",
0N/A printf(
"thread-stop: id=%d, is_daemon=%d, name=%s, os_id=%d\n",
0N/A * hotspot::monitor-contended-enter, hotspot::monitor-contended-entered 0N/A * arg0: uintptr_t, the Java thread identifier for the thread peforming 0N/A * the monitor operation 0N/A * arg1: uintptr_t, a unique, but opaque identifier for the specific 0N/A * monitor that the action is performed upon 0N/A * arg2: char*, a pointer to mUTF-8 string data which contains the 0N/A * name of the class of the object being acted upon 0N/A * arg3: uintptr_t, the length of the class name (in bytes) 0N/A /* (uintptr_t thread_id, uintptr_t monitor_id, 0N/A char* obj_class_name, uintptr_t obj_class_name_len) */ 0N/A /* (uintptr_t thread_id, uintptr_t monitor_id, char* obj_class_name, 0N/A uintptr_t obj_class_name_len) */