aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #include "precompiled.hpp"
aoqi@0: #include "memory/allocation.inline.hpp"
aoqi@0: #include "runtime/mutexLocker.hpp"
aoqi@0: #include "runtime/osThread.hpp"
aoqi@0: #include "runtime/thread.inline.hpp"
aoqi@0: #include "runtime/threadCritical.hpp"
aoqi@0: #include "runtime/threadLocalStorage.hpp"
aoqi@0: #include "runtime/timer.hpp"
aoqi@0: #include "utilities/events.hpp"
aoqi@0: 
aoqi@0: 
aoqi@0: EventLog* Events::_logs = NULL;
aoqi@0: StringEventLog* Events::_messages = NULL;
aoqi@0: StringEventLog* Events::_exceptions = NULL;
aoqi@0: StringEventLog* Events::_deopt_messages = NULL;
aoqi@0: 
aoqi@0: EventLog::EventLog() {
aoqi@0:   // This normally done during bootstrap when we're only single
aoqi@0:   // threaded but use a ThreadCritical to ensure inclusion in case
aoqi@0:   // some are created slightly late.
aoqi@0:   ThreadCritical tc;
aoqi@0:   _next = Events::_logs;
aoqi@0:   Events::_logs = this;
aoqi@0: }
aoqi@0: 
aoqi@0: // For each registered event logger, print out the current contents of
aoqi@0: // the buffer.  This is normally called when the JVM is crashing.
aoqi@0: void Events::print_all(outputStream* out) {
aoqi@0:   EventLog* log = _logs;
aoqi@0:   while (log != NULL) {
aoqi@0:     log->print_log_on(out);
aoqi@0:     log = log->next();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: void Events::print() {
aoqi@0:   print_all(tty);
aoqi@0: }
aoqi@0: 
aoqi@0: void Events::init() {
aoqi@0:   if (LogEvents) {
aoqi@0:     _messages = new StringEventLog("Events");
aoqi@0:     _exceptions = new StringEventLog("Internal exceptions");
aoqi@0:     _deopt_messages = new StringEventLog("Deoptimization events");
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: void eventlog_init() {
aoqi@0:   Events::init();
aoqi@0: }
aoqi@0: 
aoqi@0: ///////////////////////////////////////////////////////////////////////////
aoqi@0: // EventMark
aoqi@0: 
aoqi@0: EventMark::EventMark(const char* format, ...) {
aoqi@0:   if (LogEvents) {
aoqi@0:     va_list ap;
aoqi@0:     va_start(ap, format);
aoqi@0:     // Save a copy of begin message and log it.
aoqi@0:     _buffer.printv(format, ap);
aoqi@0:     Events::log(NULL, "%s", _buffer.buffer());
aoqi@0:     va_end(ap);
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: EventMark::~EventMark() {
aoqi@0:   if (LogEvents) {
aoqi@0:     // Append " done" to the begin message and log it
aoqi@0:     _buffer.append(" done");
aoqi@0:     Events::log(NULL, "%s", _buffer.buffer());
aoqi@0:   }
aoqi@0: }