Mercurial > hg > graal-compiler
annotate src/share/vm/services/diagnosticArgument.hpp @ 6197:d2a62e0f25eb
6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain
| author | zgu |
|---|---|
| date | Thu, 28 Jun 2012 17:03:16 -0400 |
| parents | 51612f0c0a79 |
| children |
| rev | line source |
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| 4133 | 1 /* |
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
| 4133 | 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_DIAGNOSTICARGUMENT_HPP | |
| 26 #define SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP | |
| 27 | |
| 28 #include "classfile/vmSymbols.hpp" | |
| 29 #include "memory/allocation.hpp" | |
| 30 #include "runtime/os.hpp" | |
| 31 #include "runtime/thread.hpp" | |
| 32 #include "utilities/exceptions.hpp" | |
| 33 | |
| 6197 | 34 class StringArrayArgument : public CHeapObj<mtInternal> { |
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35 private: |
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36 GrowableArray<char*>* _array; |
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37 public: |
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38 StringArrayArgument() { |
| 6197 | 39 _array = new(ResourceObj::C_HEAP, mtInternal)GrowableArray<char *>(32, true); |
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40 assert(_array != NULL, "Sanity check"); |
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41 } |
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42 void add(const char* str, size_t len) { |
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43 if (str != NULL) { |
| 6197 | 44 char* ptr = NEW_C_HEAP_ARRAY(char, len+1, mtInternal); |
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45 strncpy(ptr, str, len); |
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46 ptr[len] = 0; |
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47 _array->append(ptr); |
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48 } |
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49 } |
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50 GrowableArray<char*>* array() { |
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51 return _array; |
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52 } |
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53 ~StringArrayArgument() { |
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54 for (int i=0; i<_array->length(); i++) { |
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55 if(_array->at(i) != NULL) { // Safety check |
| 6197 | 56 FREE_C_HEAP_ARRAY(char, _array->at(i), mtInternal); |
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57 } |
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58 } |
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59 delete _array; |
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60 } |
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61 }; |
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62 |
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63 class NanoTimeArgument { |
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64 public: |
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65 jlong _nanotime; |
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66 jlong _time; |
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67 char _unit[3]; |
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68 }; |
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69 |
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70 class MemorySizeArgument { |
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71 public: |
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72 u8 _size; |
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73 u8 _val; |
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74 char _multiplier; |
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75 }; |
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76 |
| 4133 | 77 class GenDCmdArgument : public ResourceObj { |
| 78 protected: | |
| 79 GenDCmdArgument* _next; | |
| 80 const char* _name; | |
| 81 const char* _description; | |
| 82 const char* _type; | |
| 83 const char* _default_string; | |
| 84 bool _is_set; | |
| 85 bool _is_mandatory; | |
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86 bool _allow_multiple; |
| 4133 | 87 GenDCmdArgument(const char* name, const char* description, const char* type, |
| 88 const char* default_string, bool mandatory) { | |
| 89 _name = name; | |
| 90 _description = description; | |
| 91 _type = type; | |
| 92 _default_string = default_string; | |
| 93 _is_mandatory = mandatory; | |
| 94 _is_set = false; | |
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95 _allow_multiple = false; |
| 4133 | 96 }; |
| 97 public: | |
| 98 const char* name() { return _name; } | |
| 99 const char* description() { return _description; } | |
| 100 const char* type() { return _type; } | |
| 101 const char* default_string() { return _default_string; } | |
| 102 bool is_set() { return _is_set; } | |
| 103 void set_is_set(bool b) { _is_set = b; } | |
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104 bool allow_multiple() { return _allow_multiple; } |
| 4133 | 105 bool is_mandatory() { return _is_mandatory; } |
| 106 bool has_value() { return _is_set || _default_string != NULL; } | |
| 107 bool has_default() { return _default_string != NULL; } | |
| 108 void read_value(const char* str, size_t len, TRAPS); | |
| 109 virtual void parse_value(const char* str, size_t len, TRAPS) = 0; | |
| 110 virtual void init_value(TRAPS) = 0; | |
| 111 virtual void reset(TRAPS) = 0; | |
| 112 virtual void cleanup() = 0; | |
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113 virtual void value_as_str(char* buf, size_t len) = 0; |
| 4133 | 114 void set_next(GenDCmdArgument* arg) { |
| 115 _next = arg; | |
| 116 } | |
| 117 GenDCmdArgument* next() { | |
| 118 return _next; | |
| 119 } | |
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120 |
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121 void to_string(jlong l, char* buf, size_t len); |
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122 void to_string(bool b, char* buf, size_t len); |
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123 void to_string(char* c, char* buf, size_t len); |
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124 void to_string(NanoTimeArgument n, char* buf, size_t len); |
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125 void to_string(MemorySizeArgument f, char* buf, size_t len); |
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126 void to_string(StringArrayArgument* s, char* buf, size_t len); |
| 4133 | 127 }; |
| 128 | |
| 129 template <class ArgType> class DCmdArgument: public GenDCmdArgument { | |
| 130 private: | |
| 131 ArgType _value; | |
| 132 public: | |
| 133 DCmdArgument(const char* name, const char* description, const char* type, | |
| 134 bool mandatory) : | |
| 135 GenDCmdArgument(name, description, type, NULL, mandatory) { } | |
| 136 DCmdArgument(const char* name, const char* description, const char* type, | |
| 137 bool mandatory, const char* defaultvalue) : | |
| 138 GenDCmdArgument(name, description, type, defaultvalue, mandatory) | |
| 139 { } | |
| 140 ~DCmdArgument() { destroy_value(); } | |
| 141 ArgType value() { return _value;} | |
| 142 void set_value(ArgType v) { _value = v; } | |
| 143 void reset(TRAPS) { | |
| 144 destroy_value(); | |
| 145 init_value(CHECK); | |
| 146 _is_set = false; | |
| 147 } | |
| 148 void cleanup() { | |
| 149 destroy_value(); | |
| 150 } | |
| 151 void parse_value(const char* str, size_t len, TRAPS); | |
| 152 void init_value(TRAPS); | |
| 153 void destroy_value(); | |
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154 void value_as_str(char *buf, size_t len) { return to_string(_value, buf, len);} |
| 4133 | 155 }; |
| 156 | |
| 157 #endif /* SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP */ |