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 _GLIBCXX_PROFILE_PROFILER_H
38 #define _GLIBCXX_PROFILE_PROFILER_H 1
40 #ifdef __GXX_EXPERIMENTAL_CXX0X__
46 // Mechanism to define data with inline linkage.
47 #define _GLIBCXX_PROFILE_DEFINE_DATA(__type, __name, __initial_value...) \
48 inline __type& __get_##__name() { \
49 static __type __name(__initial_value); \
52 #define _GLIBCXX_PROFILE_DATA(__name) \
56 * @namespace std::__cxxprof_guard
57 * @brief Mechanism to protect all __gnu_profile operations against
58 * multithreaded and exception reentrance.
60 namespace __gnu_profile
62 /** @brief Reentrance guard.
64 * Mechanism to protect all __gnu_profile operations against recursion,
65 * multithreaded and exception reentrance.
67 struct __reentrance_guard
72 if (__inside() == true)
84 static __thread bool _S_inside(false);
88 __reentrance_guard() { }
89 ~__reentrance_guard() { __inside() = false; }
92 #define _GLIBCXX_PROFILE_REENTRANCE_GUARD(__x...) \
94 if (__gnu_profile::__reentrance_guard::__get_in()) \
96 __gnu_profile::__reentrance_guard __get_out; \
103 * @namespace std::__gnu_profile
104 * @brief Implementation of profile extension.
106 namespace __gnu_profile
108 // Forward declarations of implementation functions.
109 // Don't use any __gnu_profile:: in user code.
110 // Instead, use the __profcxx... macros, which offer guarded access.
117 void __trace_hashtable_size_resize(const void*, size_t, size_t);
118 void __trace_hashtable_size_destruct(const void*, size_t, size_t);
119 void __trace_hashtable_size_construct(const void*, size_t);
120 void __trace_vector_size_resize(const void*, size_t, size_t);
121 void __trace_vector_size_destruct(const void*, size_t, size_t);
122 void __trace_vector_size_construct(const void*, size_t);
123 void __trace_hash_func_destruct(const void*, size_t, size_t, size_t);
124 void __trace_hash_func_construct(const void*);
125 void __trace_vector_to_list_destruct(const void*);
126 void __trace_vector_to_list_construct(const void*);
127 void __trace_vector_to_list_insert(const void*, size_t, size_t);
128 void __trace_vector_to_list_iterate(const void*, size_t);
129 void __trace_vector_to_list_invalid_operator(const void*);
130 void __trace_vector_to_list_resize(const void*, size_t, size_t);
131 void __trace_vector_to_list_find(const void*, size_t);
133 void __trace_list_to_slist_destruct(const void*);
134 void __trace_list_to_slist_construct(const void*);
135 void __trace_list_to_slist_rewind(const void*);
136 void __trace_list_to_slist_operation(const void*);
138 void __trace_list_to_vector_destruct(const void*);
139 void __trace_list_to_vector_construct(const void*);
140 void __trace_list_to_vector_insert(const void*, size_t, size_t);
141 void __trace_list_to_vector_iterate(const void*, size_t);
142 void __trace_list_to_vector_invalid_operator(const void*);
143 void __trace_list_to_vector_resize(const void*, size_t, size_t);
145 void __trace_list_to_set_destruct(const void*);
146 void __trace_list_to_set_construct(const void*);
147 void __trace_list_to_set_insert(const void*, size_t, size_t);
148 void __trace_list_to_set_iterate(const void*, size_t);
149 void __trace_list_to_set_invalid_operator(const void*);
150 void __trace_list_to_set_find(const void*, size_t);
152 void __trace_map_to_unordered_map_construct(const void*);
153 void __trace_map_to_unordered_map_invalidate(const void*);
154 void __trace_map_to_unordered_map_insert(const void*, size_t, size_t);
155 void __trace_map_to_unordered_map_erase(const void*, size_t, size_t);
156 void __trace_map_to_unordered_map_iterate(const void*, size_t);
157 void __trace_map_to_unordered_map_find(const void*, size_t);
158 void __trace_map_to_unordered_map_destruct(const void*);
159 } // namespace __gnu_profile
161 // Master switch turns on all diagnostics that are not explicitly turned off.
162 #ifdef _GLIBCXX_PROFILE
163 #ifndef _GLIBCXX_PROFILE_NO_HASHTABLE_TOO_SMALL
164 #define _GLIBCXX_PROFILE_HASHTABLE_TOO_SMALL
166 #ifndef _GLIBCXX_PROFILE_NO_HASHTABLE_TOO_LARGE
167 #define _GLIBCXX_PROFILE_HASHTABLE_TOO_LARGE
169 #ifndef _GLIBCXX_PROFILE_NO_VECTOR_TOO_SMALL
170 #define _GLIBCXX_PROFILE_VECTOR_TOO_SMALL
172 #ifndef _GLIBCXX_PROFILE_NO_VECTOR_TOO_LARGE
173 #define _GLIBCXX_PROFILE_VECTOR_TOO_LARGE
175 #ifndef _GLIBCXX_PROFILE_NO_INEFFICIENT_HASH
176 #define _GLIBCXX_PROFILE_INEFFICIENT_HASH
178 #ifndef _GLIBCXX_PROFILE_NO_VECTOR_TO_LIST
179 #define _GLIBCXX_PROFILE_VECTOR_TO_LIST
181 #ifndef _GLIBCXX_PROFILE_NO_LIST_TO_SLIST
182 #define _GLIBCXX_PROFILE_LIST_TO_SLIST
184 #ifndef _GLIBCXX_PROFILE_NO_LIST_TO_VECTOR
185 #define _GLIBCXX_PROFILE_LIST_TO_VECTOR
187 #ifndef _GLIBCXX_PROFILE_NO_MAP_TO_UNORDERED_MAP
188 #define _GLIBCXX_PROFILE_MAP_TO_UNORDERED_MAP
192 // Expose global management routines to user code.
193 #ifdef _GLIBCXX_PROFILE
194 #define __profcxx_report() \
195 _GLIBCXX_PROFILE_REENTRANCE_GUARD(__gnu_profile::__report())
196 #define __profcxx_turn_on() \
197 _GLIBCXX_PROFILE_REENTRANCE_GUARD(__gnu_profile::__turn_on())
198 #define __profcxx_turn_off() \
199 _GLIBCXX_PROFILE_REENTRANCE_GUARD(__gnu_profile::__turn_off())
200 #define __profcxx_is_invalid() \
201 _GLIBCXX_PROFILE_REENTRANCE_GUARD(__gnu_profile::__is_invalid())
202 #define __profcxx_is_on() \
203 _GLIBCXX_PROFILE_REENTRANCE_GUARD(__gnu_profile::__is_on())
204 #define __profcxx__is_off() \
205 _GLIBCXX_PROFILE_REENTRANCE_GUARD(__gnu_profile::__is_off())
207 #define __profcxx_report()
208 #define __profcxx_turn_on()
209 #define __profcxx_turn_off()
210 #define __profcxx_is_invalid()
211 #define __profcxx_is_on()
212 #define __profcxx_is_off()
215 // Turn on/off instrumentation for HASHTABLE_TOO_SMALL and HASHTABLE_TOO_LARGE.
216 #if (defined(_GLIBCXX_PROFILE_HASHTABLE_TOO_SMALL) \
217 || defined(_GLIBCXX_PROFILE_HASHTABLE_TOO_LARGE))
218 #define __profcxx_hashtable_resize(__x...) \
219 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
220 __gnu_profile::__trace_hashtable_size_resize(__x))
221 #define __profcxx_hashtable_destruct(__x...) \
222 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
223 __gnu_profile::__trace_hashtable_size_destruct(__x))
224 #define __profcxx_hashtable_construct(__x...) \
225 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
226 __gnu_profile::__trace_hashtable_size_construct(__x))
228 #define __profcxx_hashtable_resize(__x...)
229 #define __profcxx_hashtable_destruct(__x...)
230 #define __profcxx_hashtable_construct(__x...)
233 // Turn on/off instrumentation for VECTOR_TOO_SMALL and VECTOR_TOO_LARGE.
234 #if (defined(_GLIBCXX_PROFILE_VECTOR_TOO_SMALL) \
235 || defined(_GLIBCXX_PROFILE_VECTOR_TOO_LARGE))
236 #define __profcxx_vector_resize(__x...) \
237 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
238 __gnu_profile::__trace_vector_size_resize(__x))
239 #define __profcxx_vector_destruct(__x...) \
240 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
241 __gnu_profile::__trace_vector_size_destruct(__x))
242 #define __profcxx_vector_construct(__x...) \
243 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
244 __gnu_profile::__trace_vector_size_construct(__x))
246 #define __profcxx_vector_resize(__x...)
247 #define __profcxx_vector_destruct(__x...)
248 #define __profcxx_vector_construct(__x...)
251 // Turn on/off instrumentation for INEFFICIENT_HASH.
252 #if defined(_GLIBCXX_PROFILE_INEFFICIENT_HASH)
253 #define __profcxx_hashtable_construct2(__x...) \
254 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
255 __gnu_profile::__trace_hash_func_construct(__x))
256 #define __profcxx_hashtable_destruct2(__x...) \
257 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
258 __gnu_profile::__trace_hash_func_destruct(__x))
260 #define __profcxx_hashtable_destruct2(__x...)
261 #define __profcxx_hashtable_construct2(__x...)
264 // Turn on/off instrumentation for VECTOR_TO_LIST.
265 #if defined(_GLIBCXX_PROFILE_VECTOR_TO_LIST)
266 #define __profcxx_vector_construct2(__x...) \
267 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
268 __gnu_profile::__trace_vector_to_list_construct(__x))
269 #define __profcxx_vector_destruct2(__x...) \
270 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
271 __gnu_profile::__trace_vector_to_list_destruct(__x))
272 #define __profcxx_vector_insert(__x...) \
273 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
274 __gnu_profile::__trace_vector_to_list_insert(__x))
275 #define __profcxx_vector_iterate(__x...) \
276 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
277 __gnu_profile::__trace_vector_to_list_iterate(__x))
278 #define __profcxx_vector_invalid_operator(__x...) \
279 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
280 __gnu_profile::__trace_vector_to_list_invalid_operator(__x))
281 #define __profcxx_vector_resize2(__x...) \
282 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
283 __gnu_profile::__trace_vector_to_list_resize(__x))
284 #define __profcxx_vector_find(__x...) \
285 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
286 __gnu_profile::__trace_vector_to_list_find(__x))
288 #define __profcxx_vector_destruct2(__x...)
289 #define __profcxx_vector_construct2(__x...)
290 #define __profcxx_vector_insert(__x...)
291 #define __profcxx_vector_iterate(__x...)
292 #define __profcxx_vector_invalid_operator(__x...)
293 #define __profcxx_vector_resize2(__x...)
294 #define __profcxx_vector_find(__x...)
297 // Turn on/off instrumentation for LIST_TO_VECTOR.
298 #if defined(_GLIBCXX_PROFILE_LIST_TO_VECTOR)
299 #define __profcxx_list_construct2(__x...) \
300 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
301 __gnu_profile::__trace_list_to_vector_construct(__x))
302 #define __profcxx_list_destruct2(__x...) \
303 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
304 __gnu_profile::__trace_list_to_vector_destruct(__x))
305 #define __profcxx_list_insert(__x...) \
306 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
307 __gnu_profile::__trace_list_to_vector_insert(__x))
308 #define __profcxx_list_iterate(__x...) \
309 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
310 __gnu_profile::__trace_list_to_vector_iterate(__x))
311 #define __profcxx_list_invalid_operator(__x...) \
312 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
313 __gnu_profile::__trace_list_to_vector_invalid_operator(__x))
315 #define __profcxx_list_destruct2(__x...)
316 #define __profcxx_list_construct2(__x...)
317 #define __profcxx_list_insert(__x...)
318 #define __profcxx_list_iterate(__x...)
319 #define __profcxx_list_invalid_operator(__x...)
322 // Turn on/off instrumentation for LIST_TO_SLIST.
323 #if defined(_GLIBCXX_PROFILE_LIST_TO_SLIST)
324 #define __profcxx_list_rewind(__x...) \
325 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
326 __gnu_profile::__trace_list_to_slist_rewind(__x))
327 #define __profcxx_list_operation(__x...) \
328 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
329 __gnu_profile::__trace_list_to_slist_operation(__x))
330 #define __profcxx_list_destruct(__x...) \
331 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
332 __gnu_profile::__trace_list_to_slist_destruct(__x))
333 #define __profcxx_list_construct(__x...) \
334 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
335 __gnu_profile::__trace_list_to_slist_construct(__x))
337 #define __profcxx_list_rewind(__x...)
338 #define __profcxx_list_operation(__x...)
339 #define __profcxx_list_destruct(__x...)
340 #define __profcxx_list_construct(__x...)
343 // Turn on/off instrumentation for MAP_TO_UNORDERED_MAP.
344 #if defined(_GLIBCXX_PROFILE_MAP_TO_UNORDERED_MAP)
345 #define __profcxx_map_to_unordered_map_construct(__x...) \
346 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
347 __gnu_profile::__trace_map_to_unordered_map_construct(__x))
348 #define __profcxx_map_to_unordered_map_destruct(__x...) \
349 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
350 __gnu_profile::__trace_map_to_unordered_map_destruct(__x))
351 #define __profcxx_map_to_unordered_map_insert(__x...) \
352 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
353 __gnu_profile::__trace_map_to_unordered_map_insert(__x))
354 #define __profcxx_map_to_unordered_map_erase(__x...) \
355 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
356 __gnu_profile::__trace_map_to_unordered_map_erase(__x))
357 #define __profcxx_map_to_unordered_map_iterate(__x...) \
358 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
359 __gnu_profile::__trace_map_to_unordered_map_iterate(__x))
360 #define __profcxx_map_to_unordered_map_invalidate(__x...) \
361 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
362 __gnu_profile::__trace_map_to_unordered_map_invalidate(__x))
363 #define __profcxx_map_to_unordered_map_find(__x...) \
364 _GLIBCXX_PROFILE_REENTRANCE_GUARD( \
365 __gnu_profile::__trace_map_to_unordered_map_find(__x))
367 #define __profcxx_map_to_unordered_map_construct(__x...) \
369 #define __profcxx_map_to_unordered_map_destruct(__x...)
370 #define __profcxx_map_to_unordered_map_insert(__x...)
371 #define __profcxx_map_to_unordered_map_erase(__x...)
372 #define __profcxx_map_to_unordered_map_iterate(__x...)
373 #define __profcxx_map_to_unordered_map_invalidate(__x...)
374 #define __profcxx_map_to_unordered_map_find(__x...)
377 // Run multithreaded unless instructed not to do so.
378 #ifndef _GLIBCXX_PROFILE_NO_THREADS
379 #define _GLIBCXX_PROFILE_THREADS
382 // Set default values for compile-time customizable variables.
383 #ifndef _GLIBCXX_PROFILE_TRACE_PATH_ROOT
384 #define _GLIBCXX_PROFILE_TRACE_PATH_ROOT "libstdcxx-profile"
386 #ifndef _GLIBCXX_PROFILE_TRACE_ENV_VAR
387 #define _GLIBCXX_PROFILE_TRACE_ENV_VAR "_GLIBCXX_PROFILE_TRACE_PATH_ROOT"
389 #ifndef _GLIBCXX_PROFILE_MAX_WARN_COUNT_ENV_VAR
390 #define _GLIBCXX_PROFILE_MAX_WARN_COUNT_ENV_VAR \
391 "_GLIBCXX_PROFILE_MAX_WARN_COUNT"
393 #ifndef _GLIBCXX_PROFILE_MAX_WARN_COUNT
394 #define _GLIBCXX_PROFILE_MAX_WARN_COUNT 10
396 #ifndef _GLIBCXX_PROFILE_MAX_STACK_DEPTH
397 #define _GLIBCXX_PROFILE_MAX_STACK_DEPTH 32
399 #ifndef _GLIBCXX_PROFILE_MAX_STACK_DEPTH_ENV_VAR
400 #define _GLIBCXX_PROFILE_MAX_STACK_DEPTH_ENV_VAR \
401 "_GLIBCXX_PROFILE_MAX_STACK_DEPTH"
403 #ifndef _GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC
404 #define _GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC 2 << 27
406 #ifndef _GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC_ENV_VAR
407 #define _GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC_ENV_VAR \
408 "_GLIBCXX_PROFILE_MEM_PER_DIAGNOSTIC"
411 // Instrumentation hook implementations.
412 #include "profile/impl/profiler_hash_func.h"
413 #include "profile/impl/profiler_hashtable_size.h"
414 #include "profile/impl/profiler_map_to_unordered_map.h"
415 #include "profile/impl/profiler_vector_size.h"
416 #include "profile/impl/profiler_vector_to_list.h"
417 #include "profile/impl/profiler_list_to_slist.h"
418 #include "profile/impl/profiler_list_to_vector.h"
420 #endif // _GLIBCXX_PROFILE_PROFILER_H