3 // Copyright (C) 2009 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 2, or (at your option) any later
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING. If not, write to
18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19 // MA 02111-1307, USA.
21 // As a special exception, you may use this file as part of a free
22 // software library without restriction. Specifically, if other files
23 // instantiate templates or use macros or inline functions from this
24 // file, or you compile this file and link it with other files to
25 // produce an executable, this file does not by itself cause the
26 // resulting executable to be covered by the GNU General Public
27 // License. This exception does not however invalidate any other
28 // reasons why the executable file might be covered by the GNU General
31 /** @file profile/impl/profiler_trace.h
32 * @brief Data structures to represent profiling traces.
35 // Written by Lixia Liu and Silvius Rus.
37 #ifndef PROFCXX_PROFILER_VECTOR_TO_LIST_H__
38 #define PROFCXX_PROFILER_VECTOR_TO_LIST_H__ 1
40 #ifdef __GXX_EXPERIMENTAL_CXX0X__
49 #include "profile/impl/profiler.h"
50 #include "profile/impl/profiler_node.h"
51 #include "profile/impl/profiler_trace.h"
53 namespace __cxxprof_impl
56 /** @brief A vector-to-list instrumentation line in the object table. */
57 class __vector2list_info: public __object_info_base
61 :_M_shift_count(0), _M_iterate(0), _M_resize(0), _M_list_cost(0),
62 _M_vector_cost(0), _M_valid(true) {}
63 __vector2list_info(__stack_t __stack)
64 : __object_info_base(__stack), _M_shift_count(0), _M_iterate(0),
65 _M_resize(0), _M_list_cost(0), _M_vector_cost(0), _M_valid(true) {}
66 virtual ~__vector2list_info() {}
67 __vector2list_info(const __vector2list_info& __o);
68 void __merge(const __vector2list_info& __o);
69 void __write(FILE* __f) const;
70 float __magnitude() const { return _M_vector_cost - _M_list_cost; }
71 const char* __advice() const { return "change std::vector to std::list"; }
73 size_t __shift_count() { return _M_shift_count; }
74 size_t __iterate() { return _M_iterate; }
75 float __list_cost() { return _M_list_cost; }
76 size_t __resize() { return _M_resize; }
77 void __set_list_cost(float __lc) { _M_list_cost = __lc; }
78 void __set_vector_cost(float __vc) { _M_vector_cost = __vc; }
79 bool __is_valid() { return _M_valid; }
80 void __set_invalid() { _M_valid = false; }
82 void __opr_insert(size_t __pos, size_t __num);
83 void __opr_iterate(size_t __num) { _M_iterate += __num; }
84 void __resize(size_t __from, size_t __to);
87 size_t _M_shift_count;
95 inline __vector2list_info::__vector2list_info(const __vector2list_info& __o)
96 : __object_info_base(__o)
98 _M_shift_count = __o._M_shift_count;
99 _M_iterate = __o._M_iterate;
100 _M_vector_cost = __o._M_vector_cost;
101 _M_list_cost = __o._M_list_cost;
102 _M_valid = __o._M_valid;
103 _M_resize = __o._M_resize;
106 inline void __vector2list_info::__merge(const __vector2list_info& __o)
108 _M_shift_count += __o._M_shift_count;
109 _M_iterate += __o._M_iterate;
110 _M_vector_cost += __o._M_vector_cost;
111 _M_list_cost += __o._M_list_cost;
112 _M_valid &= __o._M_valid;
113 _M_resize += __o._M_resize;
116 inline void __vector2list_info::__opr_insert(size_t __pos, size_t __num)
118 _M_shift_count += __num - __pos;
121 inline void __vector2list_info::__resize(size_t __from, size_t __to)
126 /** @brief A vector-to-list instrumentation line in the stack table. */
127 class __vector2list_stack_info: public __vector2list_info {
129 __vector2list_stack_info(const __vector2list_info& __o)
130 : __vector2list_info(__o) {}
133 /** @brief Vector-to-list instrumentation producer. */
134 class __trace_vector_to_list
135 : public __trace_base<__vector2list_info, __vector2list_stack_info>
138 __trace_vector_to_list();
139 ~__trace_vector_to_list() {}
141 // Insert a new node at construct with object, callstack and initial size.
142 void __insert(__object_t __obj, __stack_t __stack);
143 // Call at destruction/clean to set container final size.
144 void __destruct(const void* __obj);
146 // Find the node in the live map.
147 __vector2list_info* __find(const void* __obj);
149 // Collect cost of operations.
150 void __opr_insert(const void* __obj, size_t __pos, size_t __num);
151 void __opr_iterate(const void* __obj, size_t __num);
152 void __invalid_operator(const void* __obj);
153 void __resize(const void* __obj, size_t __from, size_t __to);
154 float __vector_cost(size_t __shift, size_t __iterate, size_t __resize);
155 float __list_cost(size_t __shift, size_t __iterate, size_t __resize);
158 inline __trace_vector_to_list::__trace_vector_to_list()
159 : __trace_base<__vector2list_info, __vector2list_stack_info>()
161 __id = "vector-to-list";
164 inline void __trace_vector_to_list::__insert(__object_t __obj,
167 __add_object(__obj, __vector2list_info(__stack));
170 inline void __vector2list_info::__write(FILE* __f) const
172 fprintf(__f, "%Zu %Zu %Zu %.0f %.0f\n",
173 _M_shift_count, _M_resize, _M_iterate, _M_vector_cost, _M_list_cost);
176 // Cost model. XXX: get this from the cost model database instead.
177 // Vector operation cost:
178 // - Cost per shift: 1
179 // - Cost per access: 1
180 // - Cost per resize: 1
181 // List operation cost:
182 // - Cost per shift: 0
183 // - Cost per access: 10
184 // - Cost per resize: 0
186 inline float __trace_vector_to_list::__vector_cost(size_t __shift,
190 return __shift * 1 + __iterate * 1 + __resize * 1;
193 inline float __trace_vector_to_list::__list_cost(size_t __shift,
197 return __shift * 0 + __iterate * 10 + __resize * 0;
200 inline void __trace_vector_to_list::__destruct(const void* __obj)
205 __vector2list_info* __res = __get_object_info(__obj);
209 float __vc = __vector_cost(__res->__shift_count(), __res->__iterate(),
211 float __lc = __list_cost(__res->__shift_count(), __res->__iterate(),
213 __res->__set_vector_cost(__vc);
214 __res->__set_list_cost(__lc);
216 __retire_object(__obj);
219 inline void __trace_vector_to_list::__opr_insert(const void* __obj,
220 size_t __pos, size_t __num)
222 __vector2list_info* __res = __get_object_info(__obj);
224 __res->__opr_insert(__pos, __num);
227 inline void __trace_vector_to_list::__opr_iterate(const void* __obj,
230 __vector2list_info* __res = __get_object_info(__obj);
232 __res->__opr_iterate(__num);
235 inline void __trace_vector_to_list::__invalid_operator(const void* __obj)
237 __vector2list_info* __res = __get_object_info(__obj);
239 __res->__set_invalid();
242 inline void __trace_vector_to_list::__resize(const void* __obj, size_t __from,
245 __vector2list_info* __res = __get_object_info(__obj);
247 __res->__resize(__from, __to);
250 //////////////////////////////////////////////////////////////////////////////
251 // Initialization and report.
252 //////////////////////////////////////////////////////////////////////////////
254 inline void __trace_vector_to_list_init()
256 __tables<0>::_S_vector_to_list = new __trace_vector_to_list();
259 inline void __trace_vector_to_list_report(FILE* __f,
260 __warning_vector_t& __warnings)
262 if (__tables<0>::_S_vector_to_list) {
263 __tables<0>::_S_vector_to_list->__collect_warnings(__warnings);
264 __tables<0>::_S_vector_to_list->__write(__f);
268 //////////////////////////////////////////////////////////////////////////////
269 // Implementations of instrumentation hooks.
270 //////////////////////////////////////////////////////////////////////////////
272 inline void __trace_vector_to_list_construct(const void* __obj)
274 if (!__profcxx_init()) return;
276 __tables<0>::_S_vector_to_list->__insert(__obj, __get_stack());
279 inline void __trace_vector_to_list_destruct(const void* __obj)
281 if (!__profcxx_init()) return;
283 __tables<0>::_S_vector_to_list->__destruct(__obj);
286 inline void __trace_vector_to_list_insert(const void* __obj,
287 size_t __pos, size_t __num)
289 if (!__profcxx_init()) return;
291 __tables<0>::_S_vector_to_list->__opr_insert(__obj, __pos, __num);
295 inline void __trace_vector_to_list_iterate(const void* __obj, size_t __num)
297 if (!__profcxx_init()) return;
299 __tables<0>::_S_vector_to_list->__opr_iterate(__obj, __num);
302 inline void __trace_vector_to_list_invalid_operator(const void* __obj)
304 if (!__profcxx_init()) return;
306 __tables<0>::_S_vector_to_list->__invalid_operator(__obj);
309 inline void __trace_vector_to_list_resize(const void* __obj,
310 size_t __from, size_t __to)
312 if (!__profcxx_init()) return;
314 __tables<0>::_S_vector_to_list->__resize(__obj, __from, __to);
317 } // namespace __cxxprof_impl
318 #endif /* PROFCXX_PROFILER_VECTOR_TO_LIST_H__ */