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src/share/vm/utilities/events.cpp@dc1769738300 (annotated)

src/share/vm/utilities/events.cpp

Tue, 24 Jul 2018 13:22:11 +0800

author

aoqi

date

Tue, 24 Jul 2018 13:22:11 +0800

changeset 9137

dc1769738300

parent 8856

ac27a9c85bea

permissions

-rw-r--r--

#7048 added Loongson release info to hs_err crash files

aoqi@0	1	/*
poonam@8720	2	* Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#include "precompiled.hpp"
aoqi@0	26	#include "memory/allocation.inline.hpp"
aoqi@0	27	#include "runtime/mutexLocker.hpp"
aoqi@0	28	#include "runtime/osThread.hpp"
aoqi@0	29	#include "runtime/thread.inline.hpp"
aoqi@0	30	#include "runtime/threadCritical.hpp"
aoqi@0	31	#include "runtime/threadLocalStorage.hpp"
aoqi@0	32	#include "runtime/timer.hpp"
aoqi@0	33	#include "utilities/events.hpp"
aoqi@0	34
aoqi@0	35
aoqi@0	36	EventLog* Events::_logs = NULL;
aoqi@0	37	StringEventLog* Events::_messages = NULL;
aoqi@0	38	StringEventLog* Events::_exceptions = NULL;
poonam@8720	39	StringEventLog* Events::_redefinitions = NULL;
aoqi@0	40	StringEventLog* Events::_deopt_messages = NULL;
aoqi@0	41
aoqi@0	42	EventLog::EventLog() {
aoqi@0	43	// This normally done during bootstrap when we're only single
aoqi@0	44	// threaded but use a ThreadCritical to ensure inclusion in case
aoqi@0	45	// some are created slightly late.
aoqi@0	46	ThreadCritical tc;
aoqi@0	47	_next = Events::_logs;
aoqi@0	48	Events::_logs = this;
aoqi@0	49	}
aoqi@0	50
aoqi@0	51	// For each registered event logger, print out the current contents of
aoqi@0	52	// the buffer. This is normally called when the JVM is crashing.
aoqi@0	53	void Events::print_all(outputStream* out) {
aoqi@0	54	EventLog* log = _logs;
aoqi@0	55	while (log != NULL) {
aoqi@0	56	log->print_log_on(out);
aoqi@0	57	log = log->next();
aoqi@0	58	}
aoqi@0	59	}
aoqi@0	60
aoqi@0	61	void Events::print() {
aoqi@0	62	print_all(tty);
aoqi@0	63	}
aoqi@0	64
aoqi@0	65	void Events::init() {
aoqi@0	66	if (LogEvents) {
aoqi@0	67	_messages = new StringEventLog("Events");
aoqi@0	68	_exceptions = new StringEventLog("Internal exceptions");
poonam@8720	69	_redefinitions = new StringEventLog("Classes redefined");
aoqi@0	70	_deopt_messages = new StringEventLog("Deoptimization events");
aoqi@0	71	}
aoqi@0	72	}
aoqi@0	73
aoqi@0	74	void eventlog_init() {
aoqi@0	75	Events::init();
aoqi@0	76	}
aoqi@0	77
aoqi@0	78	///////////////////////////////////////////////////////////////////////////
aoqi@0	79	// EventMark
aoqi@0	80
aoqi@0	81	EventMark::EventMark(const char* format, ...) {
aoqi@0	82	if (LogEvents) {
aoqi@0	83	va_list ap;
aoqi@0	84	va_start(ap, format);
aoqi@0	85	// Save a copy of begin message and log it.
aoqi@0	86	_buffer.printv(format, ap);
aoqi@0	87	Events::log(NULL, "%s", _buffer.buffer());
aoqi@0	88	va_end(ap);
aoqi@0	89	}
aoqi@0	90	}
aoqi@0	91
aoqi@0	92	EventMark::~EventMark() {
aoqi@0	93	if (LogEvents) {
aoqi@0	94	// Append " done" to the begin message and log it
aoqi@0	95	_buffer.append(" done");
aoqi@0	96	Events::log(NULL, "%s", _buffer.buffer());
aoqi@0	97	}
aoqi@0	98	}