duke@435: /*
drchase@6680:  * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #include "precompiled.hpp"
stefank@2314: #include "memory/allocation.inline.hpp"
stefank@2314: #include "runtime/mutexLocker.hpp"
stefank@2314: #include "runtime/osThread.hpp"
stefank@4299: #include "runtime/thread.inline.hpp"
never@3499: #include "runtime/threadCritical.hpp"
stefank@2314: #include "runtime/threadLocalStorage.hpp"
stefank@2314: #include "runtime/timer.hpp"
stefank@2314: #include "utilities/events.hpp"
duke@435: 
duke@435: 
never@3499: EventLog* Events::_logs = NULL;
never@3499: StringEventLog* Events::_messages = NULL;
never@3499: StringEventLog* Events::_exceptions = NULL;
never@3499: StringEventLog* Events::_deopt_messages = NULL;
duke@435: 
never@3499: EventLog::EventLog() {
never@3499:   // This normally done during bootstrap when we're only single
never@3499:   // threaded but use a ThreadCritical to ensure inclusion in case
never@3499:   // some are created slightly late.
never@3499:   ThreadCritical tc;
never@3499:   _next = Events::_logs;
never@3499:   Events::_logs = this;
never@3499: }
duke@435: 
never@3499: // For each registered event logger, print out the current contents of
never@3499: // the buffer.  This is normally called when the JVM is crashing.
never@3499: void Events::print_all(outputStream* out) {
never@3499:   EventLog* log = _logs;
never@3499:   while (log != NULL) {
never@3499:     log->print_log_on(out);
never@3499:     log = log->next();
duke@435:   }
duke@435: }
duke@435: 
never@3571: void Events::print() {
never@3571:   print_all(tty);
never@3571: }
never@3571: 
never@3499: void Events::init() {
never@3499:   if (LogEvents) {
never@3499:     _messages = new StringEventLog("Events");
never@3499:     _exceptions = new StringEventLog("Internal exceptions");
never@3499:     _deopt_messages = new StringEventLog("Deoptimization events");
never@3499:   }
duke@435: }
duke@435: 
never@3499: void eventlog_init() {
never@3499:   Events::init();
duke@435: }
duke@435: 
duke@435: ///////////////////////////////////////////////////////////////////////////
duke@435: // EventMark
duke@435: 
duke@435: EventMark::EventMark(const char* format, ...) {
duke@435:   if (LogEvents) {
duke@435:     va_list ap;
duke@435:     va_start(ap, format);
never@3499:     // Save a copy of begin message and log it.
never@3499:     _buffer.printv(format, ap);
drchase@6680:     Events::log(NULL, "%s", _buffer.buffer());
duke@435:     va_end(ap);
duke@435:   }
duke@435: }
duke@435: 
duke@435: EventMark::~EventMark() {
duke@435:   if (LogEvents) {
never@3499:     // Append " done" to the begin message and log it
never@3499:     _buffer.append(" done");
drchase@6680:     Events::log(NULL, "%s", _buffer.buffer());
duke@435:   }
duke@435: }