• file
• revisions
• annotate
• diff
• comparison
• raw

src/share/vm/prims/jvmtiTrace.hpp@94ec88ca68e2 (annotated)

src/share/vm/prims/jvmtiTrace.hpp

Wed, 11 Jan 2012 17:34:02 -0500

author

phh

date

Wed, 11 Jan 2012 17:34:02 -0500

changeset 3427

94ec88ca68e2

parent 2314

f95d63e2154a

child 4721

47bc9800972c

permissions

-rw-r--r--

7115199: Add event tracing hooks and Java Flight Recorder infrastructure
Summary: Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR.
Reviewed-by: acorn, sspitsyn
Contributed-by: markus.gronlund@oracle.com

duke@435	1	/*
stefank@2314	2	* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#ifndef SHARE_VM_PRIMS_JVMTITRACE_HPP
stefank@2314	26	#define SHARE_VM_PRIMS_JVMTITRACE_HPP
stefank@2314	27
stefank@2314	28	#include "classfile/systemDictionary.hpp"
stefank@2314	29	#include "jvmtifiles/jvmti.h"
stefank@2314	30	#include "oops/objArrayOop.hpp"
stefank@2314	31	#include "prims/jvmtiEnvThreadState.hpp"
stefank@2314	32	#include "prims/jvmtiEventController.hpp"
stefank@2314	33	#include "prims/jvmtiUtil.hpp"
stefank@2314	34	#include "runtime/stackValueCollection.hpp"
stefank@2314	35	#include "runtime/vm_operations.hpp"
stefank@2314	36
duke@435	37	///////////////////////////////////////////////////////////////
duke@435	38	//
duke@435	39	// class JvmtiTrace
duke@435	40	//
duke@435	41	// Support for JVMTI tracing code
duke@435	42	//
duke@435	43
duke@435	44	// Support tracing except in product build on the client compiler
duke@435	45	#ifndef PRODUCT
duke@435	46	#define JVMTI_TRACE 1
duke@435	47	#else
duke@435	48	#ifdef COMPILER2
duke@435	49	#define JVMTI_TRACE 1
duke@435	50	#endif
duke@435	51	#endif
duke@435	52
duke@435	53	#ifdef JVMTI_TRACE
duke@435	54
duke@435	55	class JvmtiTrace : AllStatic {
duke@435	56
duke@435	57	static bool _initialized;
duke@435	58	static bool _on;
duke@435	59	static bool _trace_event_controller;
duke@435	60	static jbyte _trace_flags[];
duke@435	61	static jbyte _event_trace_flags[];
duke@435	62	static const char* _event_names[];
duke@435	63	static jint _max_function_index;
duke@435	64	static jint _max_event_index;
duke@435	65	static short _exclude_functions[];
duke@435	66	static const char* _function_names[];
duke@435	67
duke@435	68	public:
duke@435	69
duke@435	70	enum {
duke@435	71	SHOW_IN = 01,
duke@435	72	SHOW_OUT = 02,
duke@435	73	SHOW_ERROR = 04,
duke@435	74	SHOW_IN_DETAIL = 010,
duke@435	75	SHOW_OUT_DETAIL = 020,
duke@435	76	SHOW_EVENT_TRIGGER = 040,
duke@435	77	SHOW_EVENT_SENT = 0100
duke@435	78	};
duke@435	79
duke@435	80	static bool tracing() { return _on; }
duke@435	81	static bool trace_event_controller() { return _trace_event_controller; }
duke@435	82	static jbyte trace_flags(int num) { return _trace_flags[num]; }
duke@435	83	static jbyte event_trace_flags(int num) { return _event_trace_flags[num]; }
duke@435	84	static const char* function_name(int num) { return _function_names[num]; } // To Do: add range checking
duke@435	85
duke@435	86	static const char* event_name(int num) {
duke@435	87	static char* ext_event_name = (char*)"(extension event)";
duke@435	88	if (num >= JVMTI_MIN_EVENT_TYPE_VAL && num <= JVMTI_MAX_EVENT_TYPE_VAL) {
duke@435	89	return _event_names[num];
duke@435	90	} else {
duke@435	91	return ext_event_name;
duke@435	92	}
duke@435	93	}
duke@435	94
duke@435	95	static const char* enum_name(const char** names, const jint* values, jint value);
duke@435	96
duke@435	97	static void initialize();
duke@435	98	static void shutdown();
duke@435	99
duke@435	100	// return a valid string no matter what state the thread is in
duke@435	101	static const char *safe_get_thread_name(Thread *thread);
duke@435	102
duke@435	103	// return the name of the current thread
duke@435	104	static const char *safe_get_current_thread_name();
duke@435	105
duke@435	106	// return a valid string no matter what the state of k_mirror
duke@435	107	static const char *get_class_name(oop k_mirror);
duke@435	108	};
duke@435	109
duke@435	110	#endif /*JVMTI_TRACE */
stefank@2314	111
stefank@2314	112	#endif // SHARE_VM_PRIMS_JVMTITRACE_HPP