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comparison: src/share/vm/services/nmtCommon.hpp
src/share/vm/services/nmtCommon.hpp
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- child 7078
- c6211b707068
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| 7073:4d3a43351904 | 7074:833b0f92429a |
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| 1 /* | |
| 2 * Copyright (c) 2014, 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_NMT_COMMON_HPP | |
| 26 #define SHARE_VM_SERVICES_NMT_COMMON_HPP | |
| 27 | |
| 28 #include "memory/allocation.hpp" | |
| 29 #include "utilities/globalDefinitions.hpp" | |
| 30 | |
| 31 #define CALC_OBJ_SIZE_IN_TYPE(obj, type) (align_size_up_(sizeof(obj), sizeof(type))/sizeof(type)) | |
| 32 | |
| 33 // Data type for memory counters | |
| 34 #ifdef _LP64 | |
| 35 typedef jlong MemoryCounterType; | |
| 36 #else | |
| 37 typedef jint MemoryCounterType; | |
| 38 #endif | |
| 39 | |
| 40 // Native memory tracking level | |
| 41 enum NMT_TrackingLevel { | |
| 42 NMT_unknown = 0xFF, | |
| 43 NMT_off = 0x00, | |
| 44 NMT_minimal = 0x01, | |
| 45 NMT_summary = 0x02, | |
| 46 NMT_detail = 0x03 | |
| 47 }; | |
| 48 | |
| 49 // Number of stack frames to capture. This is a | |
| 50 // build time decision. | |
| 51 const int NMT_TrackingStackDepth = 4; | |
| 52 | |
| 53 class NativeCallStack; | |
| 54 extern NativeCallStack emptyStack; | |
| 55 | |
| 56 // A few common utilities for native memory tracking | |
| 57 class NMTUtil : AllStatic { | |
| 58 public: | |
| 59 // Map memory type to index | |
| 60 static inline int flag_to_index(MEMFLAGS flag) { | |
| 61 return (flag & 0xff); | |
| 62 } | |
| 63 | |
| 64 // Map memory type to human readable name | |
| 65 static const char* flag_to_name(MEMFLAGS flag) { | |
| 66 return _memory_type_names[flag_to_index(flag)]; | |
| 67 } | |
| 68 | |
| 69 // Map an index to memory type | |
| 70 static MEMFLAGS index_to_flag(int index) { | |
| 71 return (MEMFLAGS)index; | |
| 72 } | |
| 73 | |
| 74 // Memory size scale | |
| 75 static const char* scale_name(size_t scale); | |
| 76 static size_t scale_from_name(const char* scale); | |
| 77 | |
| 78 // Translate memory size in specified scale | |
| 79 static size_t amount_in_scale(size_t amount, size_t scale) { | |
| 80 return (amount + scale / 2) / scale; | |
| 81 } | |
| 82 private: | |
| 83 static const char* _memory_type_names[mt_number_of_types]; | |
| 84 }; | |
| 85 | |
| 86 | |
| 87 #endif |
