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src/share/vm/services/gcNotifier.hpp@833b0f92429a (annotated)
src/share/vm/services/gcNotifier.hpp
Wed, 27 Aug 2014 08:19:12 -0400
- author
- zgu
- date
- Wed, 27 Aug 2014 08:19:12 -0400
- changeset 7074
- 833b0f92429a
- parent 3900
- d2a62e0f25eb
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill
| fparain@2888 | 1 | /* |
| fparain@3549 | 2 | * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
| fparain@2888 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| fparain@2888 | 4 | * |
| fparain@2888 | 5 | * This code is free software; you can redistribute it and/or modify it |
| fparain@2888 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| fparain@2888 | 7 | * published by the Free Software Foundation. |
| fparain@2888 | 8 | * |
| fparain@2888 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| fparain@2888 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| fparain@2888 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| fparain@2888 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| fparain@2888 | 13 | * accompanied this code). |
| fparain@2888 | 14 | * |
| fparain@2888 | 15 | * You should have received a copy of the GNU General Public License version |
| fparain@2888 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| fparain@2888 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| fparain@2888 | 18 | * |
| fparain@2888 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| fparain@2888 | 20 | * or visit www.oracle.com if you need additional information or have any |
| fparain@2888 | 21 | * questions. |
| fparain@2888 | 22 | * |
| fparain@2888 | 23 | */ |
| fparain@2888 | 24 | |
| fparain@2888 | 25 | #ifndef SHARE_VM_SERVICES_GCNOTIFIER_HPP |
| fparain@2888 | 26 | #define SHARE_VM_SERVICES_GCNOTIFIER_HPP |
| fparain@2888 | 27 | |
| fparain@2888 | 28 | #include "memory/allocation.hpp" |
| fparain@2888 | 29 | #include "services/memoryPool.hpp" |
| fparain@2888 | 30 | #include "services/memoryService.hpp" |
| fparain@2888 | 31 | #include "services/memoryManager.hpp" |
| fparain@2888 | 32 | |
| zgu@3900 | 33 | class GCNotificationRequest : public CHeapObj<mtInternal> { |
| fparain@2888 | 34 | friend class GCNotifier; |
| fparain@2888 | 35 | GCNotificationRequest *next; |
| fparain@2888 | 36 | jlong timestamp; |
| fparain@2888 | 37 | GCMemoryManager *gcManager; |
| fparain@2888 | 38 | const char *gcAction; |
| fparain@2888 | 39 | const char *gcCause; |
| fparain@2888 | 40 | GCStatInfo *gcStatInfo; |
| fparain@2888 | 41 | public: |
| fparain@2888 | 42 | GCNotificationRequest(jlong ts, GCMemoryManager *manager, const char*action, const char *cause,GCStatInfo *info) { |
| fparain@2888 | 43 | next = NULL; |
| fparain@2888 | 44 | timestamp = ts; |
| fparain@2888 | 45 | gcManager = manager; |
| fparain@2888 | 46 | gcAction = action; |
| fparain@2888 | 47 | gcCause = cause; |
| fparain@2888 | 48 | gcStatInfo = info; |
| fparain@2888 | 49 | } |
| fparain@2888 | 50 | |
| fparain@2888 | 51 | ~GCNotificationRequest() { |
| fparain@2888 | 52 | delete gcStatInfo; |
| fparain@2888 | 53 | } |
| fparain@2888 | 54 | }; |
| fparain@2888 | 55 | |
| fparain@2888 | 56 | class GCNotifier : public AllStatic { |
| fparain@2888 | 57 | friend class ServiceThread; |
| fparain@2888 | 58 | private: |
| fparain@2888 | 59 | static GCNotificationRequest *first_request; |
| fparain@2888 | 60 | static GCNotificationRequest *last_request; |
| fparain@2888 | 61 | static void addRequest(GCNotificationRequest *request); |
| fparain@2888 | 62 | static GCNotificationRequest *getRequest(); |
| fparain@3549 | 63 | static void sendNotificationInternal(TRAPS); |
| fparain@2888 | 64 | public: |
| fparain@2888 | 65 | static void pushNotification(GCMemoryManager *manager, const char *action, const char *cause); |
| fparain@2888 | 66 | static bool has_event(); |
| fparain@2888 | 67 | static void sendNotification(TRAPS); |
| fparain@2888 | 68 | }; |
| fparain@2888 | 69 | |
| fparain@2888 | 70 | #endif // SHARE_VM_SERVICES_GCNOTIFIER_HPP |
