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.h
32 * @brief Interface of the profiling runtime library.
35 // Written by Lixia Liu and Silvius Rus.
37 #ifndef PROFCXX_PROFILER_H__
38 #define PROFCXX_PROFILER_H__ 1
40 #ifdef __GXX_EXPERIMENTAL_CXX0X__
46 namespace __gnu_profile
48 /** @brief Reentrance guard.
50 * Mechanism to protect all __gnu_profile operations against recursion,
51 * multithreaded and exception reentrance.
53 struct __reentrance_guard
70 static __thread bool _S_inside(false);
74 __reentrance_guard() { }
75 ~__reentrance_guard() { _S_get_in() = false; }
78 #define _GLIBCXX_PROFILE_REENTRANCE_GUARD(__x...) \
80 if (__gnu_profile::__reentrance_guard::_S_get_in()) \
82 __gnu_profile::__reentrance_guard __get_out; \
88 // Forward declarations of implementation functions.
89 // Don't use any __gnu_profile:: in user code.
90 // Instead, use the __profcxx... macros, which offer guarded access.
97 void __trace_hashtable_size_resize(const void*, size_t, size_t);
98 void __trace_hashtable_size_destruct(const void*, size_t, size_t);
99 void __trace_hashtable_size_construct(const void*, size_t);
100 void __trace_vector_size_resize(const void*, size_t, size_t);
101 void __trace_vector_size_destruct(const void*, size_t, size_t);
102 void __trace_vector_size_construct(const void*, size_t);
103 void __trace_hash_func_destruct(const void*, size_t, size_t, size_t);
104 void __trace_hash_func_construct(const void*);
105 void __trace_vector_to_list_destruct(const void*);
106 void __trace_vector_to_list_construct(const void*);
107 void __trace_vector_to_list_insert(const void*, size_t, size_t);
108 void __trace_vector_to_list_iterate(const void*, size_t);
109 void __trace_vector_to_list_invalid_operator(const void*);
110 void __trace_vector_to_list_resize(const void*, size_t, size_t);
111 void __trace_map_to_unordered_map_construct(const void*);
112 void __trace_map_to_unordered_map_invalidate(const void*);
113 void __trace_map_to_unordered_map_insert(const void*, size_t, size_t);
114 void __trace_map_to_unordered_map_erase(const void*, size_t, size_t);
115 void __trace_map_to_unordered_map_iterate(const void*, size_t);
116 void __trace_map_to_unordered_map_find(const void*, size_t);
117 void __trace_map_to_unordered_map_destruct(const void*);
118 } // namespace __gnu_profile
120 // Master switch turns on all diagnostics.
121 #ifdef _GLIBCXX_PROFILE
122 #define _GLIBCXX_PROFILE_HASHTABLE_TOO_SMALL
123 #define _GLIBCXX_PROFILE_HASHTABLE_TOO_LARGE
124 #define _GLIBCXX_PROFILE_VECTOR_TOO_SMALL
125 #define _GLIBCXX_PROFILE_VECTOR_TOO_LARGE
126 #define _GLIBCXX_PROFILE_INEFFICIENT_HASH
127 #define _GLIBCXX_PROFILE_VECTOR_TO_LIST
128 #define _GLIBCXX_PROFILE_MAP_TO_UNORDERED_MAP
131 // Expose global management routines to user code.
132 #ifdef _GLIBCXX_PROFILE
133 #define __profcxx_report() \
134 _GLIBCXX_PROFILE_REENTRANCE_GUARD(__gnu_profile::__report())
135 #define __profcxx_turn_on() \
136 _GLIBCXX_PROFILE_REENTRANCE_GUARD(__gnu_profile::__turn_on())
137 #define __profcxx_turn_off() \
138 _GLIBCXX_PROFILE_REENTRANCE_GUARD(__gnu_profile::__turn_off())
139 #define __profcxx_is_invalid() \
140 _GLIBCXX_PROFILE_REENTRANCE_GUARD(__gnu_profile::__is_invalid())
141 #define __profcxx_is_on() \
142 _GLIBCXX_PROFILE_REENTRANCE_GUARD(__gnu_profile::__is_on())
143 #define __profcxx__is_off() \
144 _GLIBCXX_PROFILE_REENTRANCE_GUARD(__gnu_profile::__is_off())
146 #define __profcxx_report()
147 #define __profcxx_turn_on()
148 #define __profcxx_turn_off()
149 #define __profcxx_is_invalid()
150 #define __profcxx_is_on()
151 #define __profcxx_is_off()
154 // Turn on/off instrumentation for HASHTABLE_TOO_SMALL and HASHTABLE_TOO_LARGE.
155 #if ((defined(_GLIBCXX_PROFILE_HASHTABLE_TOO_SMALL) \
156 && !defined(_NO_GLIBCXX_PROFILE_HASHTABLE_TOO_SMALL)) \
157 || (defined(_GLIBCXX_PROFILE_HASHTABLE_TOO_LARGE) \
158 && !defined(_NO_GLIBCXX_PROFILE_HASHTABLE_TOO_LARGE)))
159 #define __profcxx_hashtable_resize(__x...) \
160 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
161 __gnu_profile::__trace_hashtable_size_resize(__x))
162 #define __profcxx_hashtable_destruct(__x...) \
163 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
164 __gnu_profile::__trace_hashtable_size_destruct(__x))
165 #define __profcxx_hashtable_construct(__x...) \
166 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
167 __gnu_profile::__trace_hashtable_size_construct(__x))
169 #define __profcxx_hashtable_resize(__x...)
170 #define __profcxx_hashtable_destruct(__x...)
171 #define __profcxx_hashtable_construct(__x...)
174 // Turn on/off instrumentation for VECTOR_TOO_SMALL and VECTOR_TOO_LARGE.
175 #if ((defined(_GLIBCXX_PROFILE_VECTOR_TOO_SMALL) \
176 && !defined(_NO_GLIBCXX_PROFILE_VECTOR_TOO_SMALL)) \
177 || (defined(_GLIBCXX_PROFILE_VECTOR_TOO_LARGE) \
178 && !defined(_NO_GLIBCXX_PROFILE_VECTOR_TOO_LARGE)))
179 #define __profcxx_vector_resize(__x...) \
180 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
181 __gnu_profile::__trace_vector_size_resize(__x))
182 #define __profcxx_vector_destruct(__x...) \
183 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
184 __gnu_profile::__trace_vector_size_destruct(__x))
185 #define __profcxx_vector_construct(__x...) \
186 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
187 __gnu_profile::__trace_vector_size_construct(__x))
189 #define __profcxx_vector_resize(__x...)
190 #define __profcxx_vector_destruct(__x...)
191 #define __profcxx_vector_construct(__x...)
194 // Turn on/off instrumentation for INEFFICIENT_HASH.
195 #if (defined(_GLIBCXX_PROFILE_INEFFICIENT_HASH) \
196 && !defined(_NO_GLIBCXX_PROFILE_INEFFICIENT_HASH))
197 #define __profcxx_hashtable_construct2(__x...) \
198 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
199 __gnu_profile::__trace_hash_func_construct(__x))
200 #define __profcxx_hashtable_destruct2(__x...) \
201 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
202 __gnu_profile::__trace_hash_func_destruct(__x))
204 #define __profcxx_hashtable_destruct2(__x...)
205 #define __profcxx_hashtable_construct2(__x...)
208 // Turn on/off instrumentation for VECTOR_TO_LIST.
209 #if (defined(_GLIBCXX_PROFILE_VECTOR_TO_LIST) \
210 && !defined(_NO_GLIBCXX_PROFILE_VECTOR_TO_LIST))
211 #define __profcxx_vector_construct2(__x...) \
212 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
213 __gnu_profile::__trace_vector_to_list_construct(__x))
214 #define __profcxx_vector_destruct2(__x...) \
215 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
216 __gnu_profile::__trace_vector_to_list_destruct(__x))
217 #define __profcxx_vector_insert(__x...) \
218 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
219 __gnu_profile::__trace_vector_to_list_insert(__x))
220 #define __profcxx_vector_iterate(__x...) \
221 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
222 __gnu_profile::__trace_vector_to_list_iterate(__x))
223 #define __profcxx_vector_invalid_operator(__x...) \
224 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
225 __gnu_profile::__trace_vector_to_list_invalid_operator(__x))
226 #define __profcxx_vector_resize2(__x...) \
227 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
228 __gnu_profile::__trace_vector_to_list_resize(__x))
230 #define __profcxx_vector_destruct2(__x...)
231 #define __profcxx_vector_construct2(__x...)
232 #define __profcxx_vector_insert(__x...)
233 #define __profcxx_vector_iterate(__x...)
234 #define __profcxx_vector_invalid_operator(__x...)
235 #define __profcxx_vector_resize2(__x...)
238 // Turn on/off instrumentation for MAP_TO_UNORDERED_MAP.
239 #if (defined(_GLIBCXX_PROFILE_MAP_TO_UNORDERED_MAP) \
240 && !defined(_NO_GLIBCXX_PROFILE_MAP_TO_UNORDERED_MAP))
241 #define __profcxx_map_to_unordered_map_construct(__x...) \
242 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
243 __gnu_profile::__trace_map_to_unordered_map_construct(__x))
244 #define __profcxx_map_to_unordered_map_destruct(__x...) \
245 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
246 __gnu_profile::__trace_map_to_unordered_map_destruct(__x))
247 #define __profcxx_map_to_unordered_map_insert(__x...) \
248 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
249 __gnu_profile::__trace_map_to_unordered_map_insert(__x))
250 #define __profcxx_map_to_unordered_map_erase(__x...) \
251 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
252 __gnu_profile::__trace_map_to_unordered_map_erase(__x))
253 #define __profcxx_map_to_unordered_map_iterate(__x...) \
254 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
255 __gnu_profile::__trace_map_to_unordered_map_iterate(__x))
256 #define __profcxx_map_to_unordered_map_invalidate(__x...) \
257 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
258 __gnu_profile::__trace_map_to_unordered_map_invalidate(__x))
259 #define __profcxx_map_to_unordered_map_find(__x...) \
260 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
261 __gnu_profile::__trace_map_to_unordered_map_find(__x))
263 #define __profcxx_map_to_unordered_map_construct(__x...) \
265 #define __profcxx_map_to_unordered_map_destruct(__x...)
266 #define __profcxx_map_to_unordered_map_insert(__x...)
267 #define __profcxx_map_to_unordered_map_erase(__x...)
268 #define __profcxx_map_to_unordered_map_iterate(__x...)
269 #define __profcxx_map_to_unordered_map_invalidate(__x...)
270 #define __profcxx_map_to_unordered_map_find(__x...)
273 // Run multithreaded unless instructed not to do so.
274 #ifndef _GLIBCXX_PROFILE_NOTHREADS
275 #define _GLIBCXX_PROFILE_THREADS
278 // Set default values for compile-time customizable variables.
279 #ifndef _GLIBCXX_PROFILE_TRACE_PATH_ROOT
280 #define _GLIBCXX_PROFILE_TRACE_PATH_ROOT "libstdcxx-profile"
282 #ifndef _GLIBCXX_PROFILE_TRACE_ENV_VAR
283 #define _GLIBCXX_PROFILE_TRACE_ENV_VAR "GLIBCXX_PROFILE_TRACE_PATH_ROOT"
285 #ifndef _GLIBCXX_PROFILE_MAX_WARN_COUNT_ENV_VAR
286 #define _GLIBCXX_PROFILE_MAX_WARN_COUNT_ENV_VAR \
287 "GLIBCXX_PROFILE_MAX_WARN_COUNT"
289 #ifndef _GLIBCXX_PROFILE_MAX_WARN_COUNT
290 #define _GLIBCXX_PROFILE_MAX_WARN_COUNT 10
292 #ifndef _GLIBCXX_PROFILE_MAX_STACK_DEPTH
293 #define _GLIBCXX_PROFILE_MAX_STACK_DEPTH 32
295 #ifndef _GLIBCXX_PROFILE_MAX_STACK_DEPTH_ENV_VAR
296 #define _GLIBCXX_PROFILE_MAX_STACK_DEPTH_ENV_VAR \
297 "GLIBCXX_PROFILE_MAX_STACK_DEPTH"
299 #ifndef _GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC
300 #define _GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC 2 << 27
302 #ifndef _GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC_ENV_VAR
303 #define _GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC_ENV_VAR \
304 "GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC"
307 // Instrumentation hook implementations.
308 #include "profile/impl/profiler_hash_func.h"
309 #include "profile/impl/profiler_hashtable_size.h"
310 #include "profile/impl/profiler_map_to_unordered_map.h"
311 #include "profile/impl/profiler_vector_size.h"
312 #include "profile/impl/profiler_vector_to_list.h"
314 #endif // PROFCXX_PROFILER_H__