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annotate src/share/vm/utilities/events.cpp @ 6862:8a5ea0a9ccc4

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7127708: G1: change task num types from int to uint in concurrent mark Summary: Change the type of various task num fields, parameters etc to unsigned and rename them to be more consistent with the other collectors. Code changes were also reviewed by Vitaly Davidovich. Reviewed-by: johnc Contributed-by: Kaushik Srenevasan <kaushik@twitter.com>
author johnc
date Sat, 06 Oct 2012 01:17:44 -0700
parents 09d00c18e323
children f34d701e952e
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1 /*
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2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "memory/allocation.inline.hpp"
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27 #include "runtime/mutexLocker.hpp"
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28 #include "runtime/osThread.hpp"
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29 #include "runtime/threadCritical.hpp"
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30 #include "runtime/threadLocalStorage.hpp"
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31 #include "runtime/timer.hpp"
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32 #include "utilities/events.hpp"
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33 #ifdef TARGET_OS_FAMILY_linux
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34 # include "thread_linux.inline.hpp"
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35 #endif
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36 #ifdef TARGET_OS_FAMILY_solaris
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37 # include "thread_solaris.inline.hpp"
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38 #endif
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39 #ifdef TARGET_OS_FAMILY_windows
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40 # include "thread_windows.inline.hpp"
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41 #endif
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42 #ifdef TARGET_OS_FAMILY_bsd
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43 # include "thread_bsd.inline.hpp"
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44 #endif
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46
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47 EventLog* Events::_logs = NULL;
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48 StringEventLog* Events::_messages = NULL;
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49 StringEventLog* Events::_exceptions = NULL;
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50 StringEventLog* Events::_deopt_messages = NULL;
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51
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52 EventLog::EventLog() {
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53 // This normally done during bootstrap when we're only single
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54 // threaded but use a ThreadCritical to ensure inclusion in case
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55 // some are created slightly late.
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56 ThreadCritical tc;
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57 _next = Events::_logs;
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58 Events::_logs = this;
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59 }
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60
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61 // For each registered event logger, print out the current contents of
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62 // the buffer. This is normally called when the JVM is crashing.
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63 void Events::print_all(outputStream* out) {
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64 EventLog* log = _logs;
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65 while (log != NULL) {
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66 log->print_log_on(out);
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67 log = log->next();
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68 }
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69 }
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70
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71 void Events::print() {
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72 print_all(tty);
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73 }
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74
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75 void Events::init() {
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76 if (LogEvents) {
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77 _messages = new StringEventLog("Events");
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78 _exceptions = new StringEventLog("Internal exceptions");
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79 _deopt_messages = new StringEventLog("Deoptimization events");
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80 }
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81 }
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82
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83 void eventlog_init() {
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84 Events::init();
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85 }
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86
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87 ///////////////////////////////////////////////////////////////////////////
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88 // EventMark
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89
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90 EventMark::EventMark(const char* format, ...) {
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91 if (LogEvents) {
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92 va_list ap;
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93 va_start(ap, format);
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94 // Save a copy of begin message and log it.
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95 _buffer.printv(format, ap);
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96 Events::log(NULL, _buffer);
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97 va_end(ap);
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98 }
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99 }
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100
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101 EventMark::~EventMark() {
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102 if (LogEvents) {
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103 // Append " done" to the begin message and log it
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104 _buffer.append(" done");
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105 Events::log(NULL, _buffer);
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106 }
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107 }