| /* |
| * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "memory/allocation.inline.hpp" |
| #include "runtime/mutexLocker.hpp" |
| #include "runtime/os.inline.hpp" |
| #include "runtime/osThread.hpp" |
| #include "runtime/thread.inline.hpp" |
| #include "runtime/threadCritical.hpp" |
| #include "runtime/timer.hpp" |
| #include "utilities/events.hpp" |
| |
| |
| EventLog* Events::_logs = NULL; |
| StringEventLog* Events::_messages = NULL; |
| StringEventLog* Events::_exceptions = NULL; |
| StringEventLog* Events::_redefinitions = NULL; |
| StringEventLog* Events::_deopt_messages = NULL; |
| |
| EventLog::EventLog() { |
| // This normally done during bootstrap when we're only single |
| // threaded but use a ThreadCritical to ensure inclusion in case |
| // some are created slightly late. |
| ThreadCritical tc; |
| _next = Events::_logs; |
| Events::_logs = this; |
| } |
| |
| // For each registered event logger, print out the current contents of |
| // the buffer. This is normally called when the JVM is crashing. |
| void Events::print_all(outputStream* out) { |
| EventLog* log = _logs; |
| while (log != NULL) { |
| log->print_log_on(out); |
| log = log->next(); |
| } |
| } |
| |
| void Events::print() { |
| print_all(tty); |
| } |
| |
| void Events::init() { |
| if (LogEvents) { |
| _messages = new StringEventLog("Events"); |
| _exceptions = new StringEventLog("Internal exceptions"); |
| _redefinitions = new StringEventLog("Classes redefined"); |
| _deopt_messages = new StringEventLog("Deoptimization events"); |
| } |
| } |
| |
| void eventlog_init() { |
| Events::init(); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////// |
| // EventMark |
| |
| EventMark::EventMark(const char* format, ...) { |
| if (LogEvents) { |
| va_list ap; |
| va_start(ap, format); |
| // Save a copy of begin message and log it. |
| _buffer.printv(format, ap); |
| Events::log(NULL, "%s", _buffer.buffer()); |
| va_end(ap); |
| } |
| } |
| |
| EventMark::~EventMark() { |
| if (LogEvents) { |
| // Append " done" to the begin message and log it |
| _buffer.append(" done"); |
| Events::log(NULL, "%s", _buffer.buffer()); |
| } |
| } |