Fri, 05 Oct 2012 18:57:10 -0700
7177003: C1: LogCompilation support
Summary: add LogCompilation support in C1 - both client and tiered mode.
Reviewed-by: twisti, kvn
1 /*
2 * Copyright (c) 1997, 2012, 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.
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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.
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23 */
25 #include "precompiled.hpp"
26 #include "memory/allocation.inline.hpp"
27 #include "runtime/mutexLocker.hpp"
28 #include "runtime/osThread.hpp"
29 #include "runtime/threadCritical.hpp"
30 #include "runtime/threadLocalStorage.hpp"
31 #include "runtime/timer.hpp"
32 #include "utilities/events.hpp"
33 #ifdef TARGET_OS_FAMILY_linux
34 # include "thread_linux.inline.hpp"
35 #endif
36 #ifdef TARGET_OS_FAMILY_solaris
37 # include "thread_solaris.inline.hpp"
38 #endif
39 #ifdef TARGET_OS_FAMILY_windows
40 # include "thread_windows.inline.hpp"
41 #endif
42 #ifdef TARGET_OS_FAMILY_bsd
43 # include "thread_bsd.inline.hpp"
44 #endif
47 EventLog* Events::_logs = NULL;
48 StringEventLog* Events::_messages = NULL;
49 StringEventLog* Events::_exceptions = NULL;
50 StringEventLog* Events::_deopt_messages = NULL;
52 EventLog::EventLog() {
53 // This normally done during bootstrap when we're only single
54 // threaded but use a ThreadCritical to ensure inclusion in case
55 // some are created slightly late.
56 ThreadCritical tc;
57 _next = Events::_logs;
58 Events::_logs = this;
59 }
61 // For each registered event logger, print out the current contents of
62 // the buffer. This is normally called when the JVM is crashing.
63 void Events::print_all(outputStream* out) {
64 EventLog* log = _logs;
65 while (log != NULL) {
66 log->print_log_on(out);
67 log = log->next();
68 }
69 }
71 void Events::print() {
72 print_all(tty);
73 }
75 void Events::init() {
76 if (LogEvents) {
77 _messages = new StringEventLog("Events");
78 _exceptions = new StringEventLog("Internal exceptions");
79 _deopt_messages = new StringEventLog("Deoptimization events");
80 }
81 }
83 void eventlog_init() {
84 Events::init();
85 }
87 ///////////////////////////////////////////////////////////////////////////
88 // EventMark
90 EventMark::EventMark(const char* format, ...) {
91 if (LogEvents) {
92 va_list ap;
93 va_start(ap, format);
94 // Save a copy of begin message and log it.
95 _buffer.printv(format, ap);
96 Events::log(NULL, _buffer);
97 va_end(ap);
98 }
99 }
101 EventMark::~EventMark() {
102 if (LogEvents) {
103 // Append " done" to the begin message and log it
104 _buffer.append(" done");
105 Events::log(NULL, _buffer);
106 }
107 }