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src/share/vm/utilities/events.cpp@f73af4455d7d (annotated)

src/share/vm/utilities/events.cpp

Thu, 29 May 2014 09:56:06 -0700

author

asaha

date

Thu, 29 May 2014 09:56:06 -0700

changeset 6782

f73af4455d7d

parent 6763

0297e36d24a1

parent 6680

78bbf4d43a14

child 6876

710a3c8b516e

child 8720

6bed084fd02f

permissions

-rw-r--r--

Merge

duke@435	1	/*
drchase@6680	2	* Copyright (c) 1997, 2014, 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	#include "precompiled.hpp"
stefank@2314	26	#include "memory/allocation.inline.hpp"
stefank@2314	27	#include "runtime/mutexLocker.hpp"
stefank@2314	28	#include "runtime/osThread.hpp"
stefank@4299	29	#include "runtime/thread.inline.hpp"
never@3499	30	#include "runtime/threadCritical.hpp"
stefank@2314	31	#include "runtime/threadLocalStorage.hpp"
stefank@2314	32	#include "runtime/timer.hpp"
stefank@2314	33	#include "utilities/events.hpp"
duke@435	34
duke@435	35
never@3499	36	EventLog* Events::_logs = NULL;
never@3499	37	StringEventLog* Events::_messages = NULL;
never@3499	38	StringEventLog* Events::_exceptions = NULL;
never@3499	39	StringEventLog* Events::_deopt_messages = NULL;
duke@435	40
never@3499	41	EventLog::EventLog() {
never@3499	42	// This normally done during bootstrap when we're only single
never@3499	43	// threaded but use a ThreadCritical to ensure inclusion in case
never@3499	44	// some are created slightly late.
never@3499	45	ThreadCritical tc;
never@3499	46	_next = Events::_logs;
never@3499	47	Events::_logs = this;
never@3499	48	}
duke@435	49
never@3499	50	// For each registered event logger, print out the current contents of
never@3499	51	// the buffer. This is normally called when the JVM is crashing.
never@3499	52	void Events::print_all(outputStream* out) {
never@3499	53	EventLog* log = _logs;
never@3499	54	while (log != NULL) {
never@3499	55	log->print_log_on(out);
never@3499	56	log = log->next();
duke@435	57	}
duke@435	58	}
duke@435	59
never@3571	60	void Events::print() {
never@3571	61	print_all(tty);
never@3571	62	}
never@3571	63
never@3499	64	void Events::init() {
never@3499	65	if (LogEvents) {
never@3499	66	_messages = new StringEventLog("Events");
never@3499	67	_exceptions = new StringEventLog("Internal exceptions");
never@3499	68	_deopt_messages = new StringEventLog("Deoptimization events");
never@3499	69	}
duke@435	70	}
duke@435	71
never@3499	72	void eventlog_init() {
never@3499	73	Events::init();
duke@435	74	}
duke@435	75
duke@435	76	///////////////////////////////////////////////////////////////////////////
duke@435	77	// EventMark
duke@435	78
duke@435	79	EventMark::EventMark(const char* format, ...) {
duke@435	80	if (LogEvents) {
duke@435	81	va_list ap;
duke@435	82	va_start(ap, format);
never@3499	83	// Save a copy of begin message and log it.
never@3499	84	_buffer.printv(format, ap);
drchase@6680	85	Events::log(NULL, "%s", _buffer.buffer());
duke@435	86	va_end(ap);
duke@435	87	}
duke@435	88	}
duke@435	89
duke@435	90	EventMark::~EventMark() {
duke@435	91	if (LogEvents) {
never@3499	92	// Append " done" to the begin message and log it
never@3499	93	_buffer.append(" done");
drchase@6680	94	Events::log(NULL, "%s", _buffer.buffer());
duke@435	95	}
duke@435	96	}