# profiler_list_to_vector.h

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    00001 // -*- C++ -*-
    00002 //
    00003 // Copyright (C) 2009, 2010 Free Software Foundation, Inc.
    00004 //
    00005 // This file is part of the GNU ISO C++ Library.  This library is free
    00006 // software; you can redistribute it and/or modify it under the terms
    00007 // of the GNU General Public License as published by the Free Software
    00008 // Foundation; either version 2, or (at your option) any later
    00009 // version.
    00010
    00011 // This library is distributed in the hope that it will be useful, but
    00012 // WITHOUT ANY WARRANTY; without even the implied warranty of
    00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00014 // General Public License for more details.
    00015
    00016 // You should have received a copy of the GNU General Public License
    00017 // along with this library; see the file COPYING.  If not, write to
    00018 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
    00019 // MA 02111-1307, USA.
    00020
    00021 // As a special exception, you may use this file as part of a free
    00022 // software library without restriction.  Specifically, if other files
    00023 // instantiate templates or use macros or inline functions from this
    00024 // file, or you compile this file and link it with other files to
    00025 // produce an executable, this file does not by itself cause the
    00026 // resulting executable to be covered by the GNU General Public
    00027 // License.  This exception does not however invalidate any other
    00028 // reasons why the executable file might be covered by the GNU General
    00029 // Public License.
    00030
    00031 /** @file profile/impl/profiler_list_to_vector.h
    00032  *  @brief diagnostics for list to vector.
    00033  */
    00034
    00035 // Written by Changhee Jung.
    00036
    00037 #ifndef _GLIBCXX_PROFILE_PROFILER_LIST_TO_VECTOR_H
    00038 #define _GLIBCXX_PROFILE_PROFILER_LIST_TO_VECTOR_H 1
    00039
    00040 #ifdef __GXX_EXPERIMENTAL_CXX0X__
    00041 #include <cstdio>
    00042 #include <cstdlib>
    00043 #include <cstring>
    00044 #else
    00045 #include <stdio.h>
    00046 #include <stdint.h>
    00047 #include <string.h>
    00048 #endif
    00049 #include <string>
    00050 #include <sstream>
    00051 #include "profile/impl/profiler.h"
    00052 #include "profile/impl/profiler_node.h"
    00053 #include "profile/impl/profiler_trace.h"
    00054
    00055 namespace __gnu_profile
    00056 {
    00057
    00058 /** @brief A list-to-vector instrumentation line in the object table.  */
    00059 class __list2vector_info: public __object_info_base
    00060 {
    00061  public:
    00062   __list2vector_info()
    00063       :_M_shift_count(0), _M_iterate(0), _M_resize(0), _M_list_cost(0),
    00064        _M_vector_cost(0), _M_valid(true), _M_max_size(0) {}
    00065   __list2vector_info(__stack_t __stack)
    00066       : __object_info_base(__stack), _M_shift_count(0), _M_iterate(0),
    00067         _M_resize(0), _M_list_cost(0), _M_vector_cost(0), _M_valid(true),
    00068         _M_max_size(0) {}
    00069   virtual ~__list2vector_info() {}
    00070   __list2vector_info(const __list2vector_info& __o);
    00071   void __merge(const __list2vector_info& __o);
    00072   void __write(FILE* __f) const;
    00073   float __magnitude() const { return _M_list_cost - _M_vector_cost; }
    00074   const char* __advice() const;
    00075   size_t __shift_count() { return _M_shift_count; }
    00076   size_t __iterate()   { return _M_iterate; }
    00077   float __list_cost() { return _M_list_cost; }
    00078   size_t __resize() { return _M_resize; }
    00079   void __set_list_cost(float __lc) { _M_list_cost = __lc; }
    00080   void __set_vector_cost(float __vc) { _M_vector_cost = __vc; }
    00081   bool __is_valid() { return _M_valid; }
    00082   void __set_invalid() { _M_valid = false; }
    00083
    00084   void __opr_insert(size_t __shift, size_t __size);
    00085   void __opr_iterate(size_t __num) { _M_iterate += __num;}
    00086
    00087   void __resize(size_t __from, size_t __to);
    00088
    00089 private:
    00090   size_t _M_shift_count;
    00091   size_t _M_iterate;
    00092   size_t _M_resize;
    00093   float _M_list_cost;
    00094   float _M_vector_cost;
    00095   bool  _M_valid;
    00096   size_t _M_max_size;
    00097 };
    00098
    00099 inline __list2vector_info::__list2vector_info(const __list2vector_info& __o)
    00100     : __object_info_base(__o)
    00101 {
    00102   _M_shift_count  = __o._M_shift_count;
    00103   _M_iterate      = __o._M_iterate;
    00104   _M_vector_cost  = __o._M_vector_cost;
    00105   _M_list_cost    = __o._M_list_cost;
    00106   _M_valid        = __o._M_valid;
    00107   _M_resize       = __o._M_resize;
    00108   _M_max_size     = __o._M_max_size;
    00109 }
    00110
    00111 inline const char* __list2vector_info::__advice() const {
    00112   std::stringstream __sstream;
    00113   __sstream
    00114       << "change std::list to std::vector and its initial size from 0 to "
    00115       << _M_max_size;
    00116   return strdup(__sstream.str().c_str());
    00117 }
    00118
    00119 inline void __list2vector_info::__merge(const __list2vector_info& __o)
    00120 {
    00121   _M_shift_count  += __o._M_shift_count;
    00122   _M_iterate      += __o._M_iterate;
    00123   _M_vector_cost  += __o._M_vector_cost;
    00124   _M_list_cost    += __o._M_list_cost;
    00125   _M_valid        &= __o._M_valid;
    00126   _M_resize       += __o._M_resize;
    00127   _M_max_size     = std::max( _M_max_size, __o._M_max_size);
    00128 }
    00129
    00130 inline void __list2vector_info::__opr_insert(size_t __shift, size_t __size)
    00131 {
    00132   _M_shift_count += __shift;
    00133   _M_max_size = std::max(_M_max_size, __size);
    00134 }
    00135
    00136 inline void __list2vector_info::__resize(size_t __from, size_t __to)
    00137 {
    00138   _M_resize += __from;
    00139 }
    00140
    00141 class __list2vector_stack_info: public __list2vector_info {
    00142  public:
    00143   __list2vector_stack_info(const __list2vector_info& __o)
    00144       : __list2vector_info(__o) {}
    00145 };
    00146
    00147 class __trace_list_to_vector
    00148     : public __trace_base<__list2vector_info, __list2vector_stack_info>
    00149 {
    00150  public:
    00151   __trace_list_to_vector();
    00152   ~__trace_list_to_vector() {}
    00153
    00154   // Insert a new node at construct with object, callstack and initial size.
    00155   void __insert(__object_t __obj, __stack_t __stack);
    00156   // Call at destruction/clean to set container final size.
    00157   void __destruct(const void* __obj);
    00158
    00159   // Find the node in the live map.
    00160   __list2vector_info* __find(const void* __obj);
    00161
    00162   // Collect cost of operations.
    00163   void __opr_insert(const void* __obj, size_t __shift, size_t __size);
    00164   void __opr_iterate(const void* __obj, size_t __num);
    00165   void __invalid_operator(const void* __obj);
    00166   void __resize(const void* __obj, size_t __from, size_t __to);
    00167   float __vector_cost(size_t __shift, size_t __iterate);
    00168   float __list_cost(size_t __shift, size_t __iterate);
    00169 };
    00170
    00171 inline __trace_list_to_vector::__trace_list_to_vector()
    00172     : __trace_base<__list2vector_info, __list2vector_stack_info>()
    00173 {
    00174   __id = "list-to-vector";
    00175 }
    00176
    00177 inline void __trace_list_to_vector::__insert(__object_t __obj,
    00178                                              __stack_t __stack)
    00179 {
    00180   __add_object(__obj, __list2vector_info(__stack));
    00181 }
    00182
    00183 inline void __list2vector_info::__write(FILE* __f) const
    00184 {
    00185   fprintf(__f, "%Zu %Zu %Zu %.0f %.0f\n",
    00186           _M_shift_count, _M_resize, _M_iterate, _M_vector_cost, _M_list_cost);
    00187 }
    00188
    00189 inline float __trace_list_to_vector::__vector_cost(size_t __shift,
    00190                                                    size_t __iterate)
    00191 {
    00192   // The resulting vector will use a 'reserve' method.
    00193   return __shift * _GLIBCXX_PROFILE_DATA(__vector_shift_cost_factor).__value +
    00194       __iterate * _GLIBCXX_PROFILE_DATA(__vector_iterate_cost_factor).__value;
    00195 }
    00196
    00197 inline float __trace_list_to_vector::__list_cost(size_t __shift,
    00198                                                  size_t __iterate)
    00199 {
    00200   return __shift * _GLIBCXX_PROFILE_DATA(__list_shift_cost_factor).__value +
    00201       __iterate * _GLIBCXX_PROFILE_DATA(__list_iterate_cost_factor).__value;
    00202 }
    00203
    00204 inline void __trace_list_to_vector::__destruct(const void* __obj)
    00205 {
    00206   if (!__is_on())
    00207     return;
    00208
    00209  __list2vector_info* __res = __get_object_info(__obj);
    00210   if (!__res)
    00211     return;
    00212
    00213   float __vc = __vector_cost(__res->__shift_count(), __res->__iterate());
    00214   float __lc = __list_cost(__res->__shift_count(), __res->__iterate());
    00215   __res->__set_vector_cost(__vc);
    00216   __res->__set_list_cost(__lc);
    00217   __retire_object(__obj);
    00218 }
    00219
    00220 inline void __trace_list_to_vector::__opr_insert(const void* __obj,
    00221                                                  size_t __shift, size_t __size)
    00222 {
    00223   __list2vector_info* __res = __get_object_info(__obj);
    00224   if (__res)
    00225     __res->__opr_insert(__shift, __size);
    00226 }
    00227
    00228 inline void __trace_list_to_vector::__opr_iterate(const void* __obj,
    00229                                                   size_t __num)
    00230 {
    00231   __list2vector_info* __res = __get_object_info(__obj);
    00232   if (__res) {
    00233     __res->__opr_iterate(__num);
    00234   }
    00235 }
    00236
    00237 inline void __trace_list_to_vector::__invalid_operator(const void* __obj)
    00238 {
    00239   __list2vector_info* __res = __get_object_info(__obj);
    00240   if (__res)
    00241     __res->__set_invalid();
    00242 }
    00243
    00244 inline void __trace_list_to_vector::__resize(const void* __obj, size_t __from,
    00245                                              size_t __to)
    00246 {
    00247   __list2vector_info* __res = __get_object_info(__obj);
    00248   if (__res)
    00249     __res->__resize(__from, __to);
    00250 }
    00251
    00252 inline void __trace_list_to_vector_init()
    00253 {
    00254   _GLIBCXX_PROFILE_DATA(_S_list_to_vector) = new __trace_list_to_vector();
    00255 }
    00256
    00257 inline void __trace_list_to_vector_report(FILE* __f,
    00258                                           __warning_vector_t& __warnings)
    00259 {
    00260   if (_GLIBCXX_PROFILE_DATA(_S_list_to_vector)) {
    00261     _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__collect_warnings(__warnings);
    00262     _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__write(__f);
    00263   }
    00264 }
    00265
    00266 inline void __trace_list_to_vector_construct(const void* __obj)
    00267 {
    00268   if (!__profcxx_init()) return;
    00269
    00270   _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__insert(__obj, __get_stack());
    00271 }
    00272
    00273 inline void __trace_list_to_vector_destruct(const void* __obj)
    00274 {
    00275   if (!__profcxx_init()) return;
    00276
    00277   _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__destruct(__obj);
    00278 }
    00279
    00280 inline void __trace_list_to_vector_insert(const void* __obj,
    00281                                           size_t __shift, size_t __size)
    00282 {
    00283   if (!__profcxx_init()) return;
    00284
    00285   _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__opr_insert(__obj, __shift,
    00286                                                          __size);
    00287 }
    00288
    00289
    00290 inline void __trace_list_to_vector_iterate(const void* __obj, size_t __num = 1)
    00291 {
    00292   if (!__profcxx_init()) return;
    00293
    00294   _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__opr_iterate(__obj, __num);
    00295 }
    00296
    00297 inline void __trace_list_to_vector_invalid_operator(const void* __obj)
    00298 {
    00299   if (!__profcxx_init()) return;
    00300
    00301   _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__invalid_operator(__obj);
    00302 }
    00303
    00304 inline void __trace_list_to_vector_resize(const void* __obj,
    00305                                           size_t __from, size_t __to)
    00306 {
    00307   if (!__profcxx_init()) return;
    00308
    00309   _GLIBCXX_PROFILE_DATA(_S_list_to_vector)->__resize(__obj, __from, __to);
    00310 }
    00311
    00312 } // namespace __gnu_profile
    00313 #endif /* _GLIBCXX_PROFILE_PROFILER_LIST_TO_VECTOR_H__ */