1 /* 2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "memory/allocation.inline.hpp" 27 #include "runtime/mutexLocker.hpp" 28 #include "runtime/os.inline.hpp" 29 #include "runtime/osThread.hpp" 30 #include "runtime/thread.inline.hpp" 31 #include "runtime/threadCritical.hpp" 32 #include "runtime/threadLocalStorage.hpp" 33 #include "runtime/timer.hpp" 34 #include "utilities/events.hpp" 35 36 37 EventLog* Events::_logs = NULL; 38 StringEventLog* Events::_messages = NULL; 39 StringEventLog* Events::_exceptions = NULL; 40 StringEventLog* Events::_redefinitions = NULL; 41 StringEventLog* Events::_deopt_messages = NULL; 42 43 EventLog::EventLog() { 44 // This normally done during bootstrap when we're only single 45 // threaded but use a ThreadCritical to ensure inclusion in case 46 // some are created slightly late. 47 ThreadCritical tc; 48 _next = Events::_logs; 49 Events::_logs = this; 50 } 51 52 // For each registered event logger, print out the current contents of 53 // the buffer. This is normally called when the JVM is crashing. 54 void Events::print_all(outputStream* out) { 55 EventLog* log = _logs; 56 while (log != NULL) { 57 log->print_log_on(out); 58 log = log->next(); 59 } 60 } 61 62 void Events::print() { 63 print_all(tty); 64 } 65 66 void Events::init() { 67 if (LogEvents) { 68 _messages = new StringEventLog("Events"); 69 _exceptions = new StringEventLog("Internal exceptions"); 70 _redefinitions = new StringEventLog("Classes redefined"); 71 _deopt_messages = new StringEventLog("Deoptimization events"); 72 } 73 } 74 75 void eventlog_init() { 76 Events::init(); 77 } 78 79 /////////////////////////////////////////////////////////////////////////// 80 // EventMark 81 82 EventMark::EventMark(const char* format, ...) { 83 if (LogEvents) { 84 va_list ap; 85 va_start(ap, format); 86 // Save a copy of begin message and log it. 87 _buffer.printv(format, ap); 88 Events::log(NULL, "%s", _buffer.buffer()); 89 va_end(ap); 90 } 91 } 92 93 EventMark::~EventMark() { 94 if (LogEvents) { 95 // Append " done" to the begin message and log it 96 _buffer.append(" done"); 97 Events::log(NULL, "%s", _buffer.buffer()); 98 } 99 }