1 /*
2 * Copyright (c) 2003, 2005, 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 class OopClosure;
26 class ThreadSnapshot;
27
28 class Management : public AllStatic {
29 private:
30 static PerfVariable* _begin_vm_creation_time;
31 static PerfVariable* _end_vm_creation_time;
32 static PerfVariable* _vm_init_done_time;
33 static jmmOptionalSupport _optional_support;
34 static TimeStamp _stamp; // Timestamp since vm init done time
35
36 // Management klasses
37 static klassOop _sensor_klass;
38 static klassOop _threadInfo_klass;
39 static klassOop _memoryUsage_klass;
40 static klassOop _memoryPoolMXBean_klass;
41 static klassOop _memoryManagerMXBean_klass;
42 static klassOop _garbageCollectorMXBean_klass;
43 static klassOop _managementFactory_klass;
44
87 private:
88 TimeStamp _timer;
89 jlong _begin_time;
90
91 public:
92 TraceVmCreationTime() {}
93 ~TraceVmCreationTime() {}
94
95 void start()
96 { _timer.update_to(0); _begin_time = os::javaTimeMillis(); }
97
98 /**
99 * Only call this if initialization completes successfully; it will
100 * crash if PerfMemory_exit() has already been called (usually by
101 * os::shutdown() when there was an initialization failure).
102 */
103 void end()
104 { Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); }
105
106 };
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1 /*
2 * Copyright (c) 2003, 2010, 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 #ifndef SHARE_VM_SERVICES_MANAGEMENT_HPP
26 #define SHARE_VM_SERVICES_MANAGEMENT_HPP
27
28 #include "memory/allocation.hpp"
29 #include "runtime/handles.hpp"
30 #include "runtime/timer.hpp"
31 #include "services/jmm.h"
32
33 class OopClosure;
34 class ThreadSnapshot;
35
36 class Management : public AllStatic {
37 private:
38 static PerfVariable* _begin_vm_creation_time;
39 static PerfVariable* _end_vm_creation_time;
40 static PerfVariable* _vm_init_done_time;
41 static jmmOptionalSupport _optional_support;
42 static TimeStamp _stamp; // Timestamp since vm init done time
43
44 // Management klasses
45 static klassOop _sensor_klass;
46 static klassOop _threadInfo_klass;
47 static klassOop _memoryUsage_klass;
48 static klassOop _memoryPoolMXBean_klass;
49 static klassOop _memoryManagerMXBean_klass;
50 static klassOop _garbageCollectorMXBean_klass;
51 static klassOop _managementFactory_klass;
52
95 private:
96 TimeStamp _timer;
97 jlong _begin_time;
98
99 public:
100 TraceVmCreationTime() {}
101 ~TraceVmCreationTime() {}
102
103 void start()
104 { _timer.update_to(0); _begin_time = os::javaTimeMillis(); }
105
106 /**
107 * Only call this if initialization completes successfully; it will
108 * crash if PerfMemory_exit() has already been called (usually by
109 * os::shutdown() when there was an initialization failure).
110 */
111 void end()
112 { Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); }
113
114 };
115
116 #endif // SHARE_VM_SERVICES_MANAGEMENT_HPP
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