libstdc++
profiler_hashtable_size.h
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1 // -*- C++ -*-
2 //
3 // Copyright (C) 2009-2017 Free Software Foundation, Inc.
4 //
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)
9 // any later version.
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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.
15 
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.
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20 // You should have received a copy of the GNU General Public License along
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22 // <http://www.gnu.org/licenses/>.
23 
24 /** @file profile/impl/profiler_hashtable_size.h
25  * @brief Collection of hashtable size traces.
26  */
27 
28 // Written by Lixia Liu and Silvius Rus.
29 
30 #ifndef _GLIBCXX_PROFILE_PROFILER_HASHTABLE_SIZE_H
31 #define _GLIBCXX_PROFILE_PROFILER_HASHTABLE_SIZE_H 1
32 
33 #include "profile/impl/profiler.h"
38 
39 namespace __gnu_profile
40 {
41  /** @brief Hashtable size instrumentation trace producer. */
43  : public __trace_container_size
44  {
45  public:
48  { __id = "hashtable-size"; }
49  };
50 
51  inline void
52  __trace_hashtable_size_init()
53  { _GLIBCXX_PROFILE_DATA(_S_hashtable_size) = new __trace_hashtable_size(); }
54 
55  inline void
56  __trace_hashtable_size_free()
57  { delete _GLIBCXX_PROFILE_DATA(_S_hashtable_size); }
58 
59  inline void
60  __trace_hashtable_size_report(FILE* __f, __warning_vector_t& __warnings)
61  { __trace_report(_GLIBCXX_PROFILE_DATA(_S_hashtable_size), __f, __warnings); }
62 
63  inline __container_size_info*
64  __trace_hashtable_size_construct(std::size_t __num)
65  {
66  if (!__profcxx_init())
67  return 0;
68 
69  if (!__reentrance_guard::__get_in())
70  return 0;
71 
72  __reentrance_guard __get_out;
73  return _GLIBCXX_PROFILE_DATA(_S_hashtable_size)->
74  __insert(__get_stack(), __num);
75  }
76 
77  inline void
78  __trace_hashtable_size_resize(__container_size_info* __obj_info,
79  std::size_t __from, std::size_t __to)
80  {
81  if (!__obj_info)
82  return;
83 
84  __obj_info->__resize(__from, __to);
85  }
86 
87  inline void
88  __trace_hashtable_size_destruct(__container_size_info* __obj_info,
89  std::size_t __num, std::size_t __inum)
90  {
91  if (!__obj_info)
92  return;
93 
94  _GLIBCXX_PROFILE_DATA(_S_hashtable_size)->
95  __destruct(__obj_info, __num, __inum);
96  }
97 
98 } // namespace __gnu_profile
99 
100 #endif /* _GLIBCXX_PROFILE_PROFILER_HASHTABLE_SIZE_H */
GNU profile code for public use.
A container size instrumentation line in the object table.
Diagnostics for container sizes.
Interface of the profiling runtime library.
Hashtable size instrumentation trace producer.
Container size instrumentation trace producer.
bool __profcxx_init()
This function must be called by each instrumentation point.
Data structures to represent profiling traces.
Data structures to represent a single profiling event.
Global profiler state.