3 // Copyright (C) 2009, 2010 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
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
20 // You should have received a copy of the GNU General Public License along
21 // with this library; see the file COPYING3. If not see
22 // <http://www.gnu.org/licenses/>.
24 /** @file profile/impl/profiler_vector_to_list.h
25 * @brief diagnostics for vector to list.
28 // Written by Lixia Liu and Silvius Rus.
30 #ifndef _GLIBCXX_PROFILE_PROFILER_VECTOR_TO_LIST_H
31 #define _GLIBCXX_PROFILE_PROFILER_VECTOR_TO_LIST_H 1
33 #include "profile/impl/profiler.h"
34 #include "profile/impl/profiler_node.h"
35 #include "profile/impl/profiler_trace.h"
37 namespace __gnu_profile
39 /** @brief A vector-to-list instrumentation line in the object table. */
40 class __vector2list_info
41 : public __object_info_base
45 : _M_shift_count(0), _M_iterate(0), _M_resize(0), _M_list_cost(0),
46 _M_vector_cost(0), _M_valid(true) { }
48 __vector2list_info(__stack_t __stack)
49 : __object_info_base(__stack), _M_shift_count(0), _M_iterate(0),
50 _M_resize(0), _M_list_cost(0), _M_vector_cost(0), _M_valid(true) { }
52 virtual ~__vector2list_info() { }
54 __vector2list_info(const __vector2list_info& __o)
55 : __object_info_base(__o), _M_shift_count(__o._M_shift_count),
56 _M_iterate(__o._M_iterate), _M_resize(__o._M_resize),
57 _M_list_cost(__o._M_list_cost), _M_vector_cost(__o._M_vector_cost),
58 _M_valid(__o._M_valid) { }
61 __merge(const __vector2list_info& __o)
63 _M_shift_count += __o._M_shift_count;
64 _M_iterate += __o._M_iterate;
65 _M_vector_cost += __o._M_vector_cost;
66 _M_list_cost += __o._M_list_cost;
67 _M_valid &= __o._M_valid;
68 _M_resize += __o._M_resize;
72 __write(FILE* __f) const
74 std::fprintf(__f, "%Zu %Zu %Zu %.0f %.0f\n", _M_shift_count,
75 _M_resize, _M_iterate, _M_vector_cost, _M_list_cost);
80 { return _M_vector_cost - _M_list_cost; }
84 { return "change std::vector to std::list"; }
88 { return _M_shift_count; }
92 { return _M_iterate; }
96 { return _M_list_cost; }
100 { return _M_resize; }
103 __set_list_cost(float __lc)
104 { _M_list_cost = __lc; }
107 __set_vector_cost(float __vc)
108 { _M_vector_cost = __vc; }
116 { _M_valid = false; }
119 __opr_insert(std::size_t __pos, std::size_t __num)
120 { _M_shift_count += __num - __pos; }
123 __opr_iterate(std::size_t __num)
124 { _M_iterate += __num; }
127 __resize(std::size_t __from, std::size_t)
128 { _M_resize += __from; }
131 __opr_find(std::size_t __size)
133 // Use average case complexity.
134 _M_iterate += 3.0 / 4.0 * __size;
138 std::size_t _M_shift_count;
139 std::size_t _M_iterate;
140 std::size_t _M_resize;
142 float _M_vector_cost;
147 /** @brief A vector-to-list instrumentation line in the stack table. */
148 class __vector2list_stack_info
149 : public __vector2list_info
152 __vector2list_stack_info(const __vector2list_info& __o)
153 : __vector2list_info(__o) { }
157 /** @brief Vector-to-list instrumentation producer. */
158 class __trace_vector_to_list
159 : public __trace_base<__vector2list_info, __vector2list_stack_info>
162 __trace_vector_to_list()
163 : __trace_base<__vector2list_info, __vector2list_stack_info>()
164 { __id = "vector-to-list"; }
166 ~__trace_vector_to_list() { }
168 // Insert a new node at construct with object, callstack and initial size.
170 __insert(__object_t __obj, __stack_t __stack)
171 { __add_object(__obj, __vector2list_info(__stack)); }
173 // Call at destruction/clean to set container final size.
175 __destruct(const void* __obj)
180 __vector2list_info* __res = __get_object_info(__obj);
184 float __vc = __vector_cost(__res->__shift_count(), __res->__iterate(),
186 float __lc = __list_cost(__res->__shift_count(), __res->__iterate(),
188 __res->__set_vector_cost(__vc);
189 __res->__set_list_cost(__lc);
191 __retire_object(__obj);
194 // Find the node in the live map.
196 __vector2list_info* __find(const void* __obj);
198 // Collect cost of operations.
200 __opr_insert(const void* __obj, std::size_t __pos, std::size_t __num)
202 __vector2list_info* __res = __get_object_info(__obj);
204 __res->__opr_insert(__pos, __num);
208 __opr_iterate(const void* __obj, std::size_t __num)
210 __vector2list_info* __res = __get_object_info(__obj);
212 __res->__opr_iterate(__num);
216 __invalid_operator(const void* __obj)
218 __vector2list_info* __res = __get_object_info(__obj);
220 __res->__set_invalid();
224 __resize(const void* __obj, std::size_t __from, std::size_t __to)
226 __vector2list_info* __res = __get_object_info(__obj);
228 __res->__resize(__from, __to);
232 __vector_cost(std::size_t __shift, std::size_t __iterate,
233 std::size_t __resize)
236 * _GLIBCXX_PROFILE_DATA(__vector_shift_cost_factor).__value
238 * _GLIBCXX_PROFILE_DATA(__vector_iterate_cost_factor).__value
240 * _GLIBCXX_PROFILE_DATA(__vector_resize_cost_factor).__value);
244 __list_cost(std::size_t __shift, std::size_t __iterate,
245 std::size_t __resize)
248 * _GLIBCXX_PROFILE_DATA(__list_shift_cost_factor).__value
250 * _GLIBCXX_PROFILE_DATA(__list_iterate_cost_factor).__value
252 * _GLIBCXX_PROFILE_DATA(__list_resize_cost_factor).__value);
256 __opr_find(const void* __obj, std::size_t __size)
258 __vector2list_info* __res = __get_object_info(__obj);
260 __res->__opr_find(__size);
266 __trace_vector_to_list_init()
267 { _GLIBCXX_PROFILE_DATA(_S_vector_to_list) = new __trace_vector_to_list(); }
270 __trace_vector_to_list_report(FILE* __f, __warning_vector_t& __warnings)
272 if (_GLIBCXX_PROFILE_DATA(_S_vector_to_list))
274 _GLIBCXX_PROFILE_DATA(_S_vector_to_list)->
275 __collect_warnings(__warnings);
276 _GLIBCXX_PROFILE_DATA(_S_vector_to_list)->__write(__f);
281 __trace_vector_to_list_construct(const void* __obj)
283 if (!__profcxx_init())
286 _GLIBCXX_PROFILE_DATA(_S_vector_to_list)->__insert(__obj, __get_stack());
290 __trace_vector_to_list_destruct(const void* __obj)
292 if (!__profcxx_init())
295 _GLIBCXX_PROFILE_DATA(_S_vector_to_list)->__destruct(__obj);
299 __trace_vector_to_list_insert(const void* __obj, std::size_t __pos,
302 if (!__profcxx_init())
305 _GLIBCXX_PROFILE_DATA(_S_vector_to_list)->__opr_insert(__obj, __pos,
310 __trace_vector_to_list_iterate(const void* __obj, std::size_t __num = 1)
312 if (!__profcxx_init())
315 _GLIBCXX_PROFILE_DATA(_S_vector_to_list)->__opr_iterate(__obj, __num);
319 __trace_vector_to_list_invalid_operator(const void* __obj)
321 if (!__profcxx_init())
324 _GLIBCXX_PROFILE_DATA(_S_vector_to_list)->__invalid_operator(__obj);
328 __trace_vector_to_list_resize(const void* __obj, std::size_t __from,
331 if (!__profcxx_init())
334 _GLIBCXX_PROFILE_DATA(_S_vector_to_list)->__resize(__obj, __from, __to);
338 __trace_vector_to_list_find(const void* __obj, std::size_t __size)
340 if (!__profcxx_init())
343 _GLIBCXX_PROFILE_DATA(_S_vector_to_list)->__opr_find(__obj, __size);
346 } // namespace __gnu_profile
347 #endif /* _GLIBCXX_PROFILE_PROFILER_VECTOR_TO_LIST_H */