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src/share/vm/utilities/events.cpp@2d8a650513c2 (annotated)

src/share/vm/utilities/events.cpp

Fri, 29 Apr 2016 00:06:10 +0800

author

aoqi

date

Fri, 29 Apr 2016 00:06:10 +0800

changeset 1

2d8a650513c2

parent 0

f90c822e73f8

child 6876

710a3c8b516e

permissions

-rw-r--r--

Added MIPS 64-bit port.

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1997, 2014, 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;
aoqi@0	39	StringEventLog* Events::_deopt_messages = NULL;
aoqi@0	40
aoqi@0	41	EventLog::EventLog() {
aoqi@0	42	// This normally done during bootstrap when we're only single
aoqi@0	43	// threaded but use a ThreadCritical to ensure inclusion in case
aoqi@0	44	// some are created slightly late.
aoqi@0	45	ThreadCritical tc;
aoqi@0	46	_next = Events::_logs;
aoqi@0	47	Events::_logs = this;
aoqi@0	48	}
aoqi@0	49
aoqi@0	50	// For each registered event logger, print out the current contents of
aoqi@0	51	// the buffer. This is normally called when the JVM is crashing.
aoqi@0	52	void Events::print_all(outputStream* out) {
aoqi@0	53	EventLog* log = _logs;
aoqi@0	54	while (log != NULL) {
aoqi@0	55	log->print_log_on(out);
aoqi@0	56	log = log->next();
aoqi@0	57	}
aoqi@0	58	}
aoqi@0	59
aoqi@0	60	void Events::print() {
aoqi@0	61	print_all(tty);
aoqi@0	62	}
aoqi@0	63
aoqi@0	64	void Events::init() {
aoqi@0	65	if (LogEvents) {
aoqi@0	66	_messages = new StringEventLog("Events");
aoqi@0	67	_exceptions = new StringEventLog("Internal exceptions");
aoqi@0	68	_deopt_messages = new StringEventLog("Deoptimization events");
aoqi@0	69	}
aoqi@0	70	}
aoqi@0	71
aoqi@0	72	void eventlog_init() {
aoqi@0	73	Events::init();
aoqi@0	74	}
aoqi@0	75
aoqi@0	76	///////////////////////////////////////////////////////////////////////////
aoqi@0	77	// EventMark
aoqi@0	78
aoqi@0	79	EventMark::EventMark(const char* format, ...) {
aoqi@0	80	if (LogEvents) {
aoqi@0	81	va_list ap;
aoqi@0	82	va_start(ap, format);
aoqi@0	83	// Save a copy of begin message and log it.
aoqi@0	84	_buffer.printv(format, ap);
aoqi@0	85	Events::log(NULL, "%s", _buffer.buffer());
aoqi@0	86	va_end(ap);
aoqi@0	87	}
aoqi@0	88	}
aoqi@0	89
aoqi@0	90	EventMark::~EventMark() {
aoqi@0	91	if (LogEvents) {
aoqi@0	92	// Append " done" to the begin message and log it
aoqi@0	93	_buffer.append(" done");
aoqi@0	94	Events::log(NULL, "%s", _buffer.buffer());
aoqi@0	95	}
aoqi@0	96	}