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// -*- C++ -*-
// Copyright (C) 2009, 2010 Free Software Foundation, Inc.
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License as published by the Free Software
// Foundation; either version 2, or (at your option) any later
// version.
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this library; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
// MA 02111-1307, USA.
// As a special exception, you may use this file as part of a free
// software library without restriction. Specifically, if other files
// instantiate templates or use macros or inline functions from this
// file, or you compile this file and link it with other files to
// produce an executable, this file does not by itself cause the
// resulting executable to be covered by the GNU General Public
// License. This exception does not however invalidate any other
// reasons why the executable file might be covered by the GNU General
// Public License.
/** @file profile/impl/profiler_trace.h
* @brief Diagnostics for container sizes.
// Written by Lixia Liu and Silvius Rus.
#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sstream>
#include "profile/impl/profiler.h"
#include "profile/impl/profiler_node.h"
#include "profile/impl/profiler_trace.h"
namespace __gnu_profile
/** @brief A container size instrumentation line in the object table. */
class __container_size_info: public __object_info_base
__container_size_info(const __container_size_info& __o);
__container_size_info(__stack_t __stack, size_t __num);
virtual ~__container_size_info() {}
void __write(FILE* f) const;
float __magnitude() const { return static_cast<float>(_M_cost); }
const char* __advice() const;
void __merge(const __container_size_info& __o);
// Call if a container is destructed or cleaned.
void __destruct(size_t __num, size_t __inum);
// Estimate the cost of resize/rehash.
float __resize_cost(size_t __from, size_t __to) { return __from; }
// Call if container is resized.
void __resize(size_t __from, size_t __to);
size_t _M_init;
size_t _M_max; // range of # buckets
size_t _M_min;
size_t _M_total;
size_t _M_item_min; // range of # items
size_t _M_item_max;
size_t _M_item_total;
size_t _M_count;
size_t _M_resize;
size_t _M_cost;
inline const char* __container_size_info::__advice() const
std::stringstream __message;
if (_M_init < _M_item_max)
__message << "change initial container size from " << _M_init
<< " to " << _M_item_max;
return strdup(__message.str().c_str());
inline void __container_size_info::__destruct(size_t __num, size_t __inum)
_M_max = std::max(_M_max, __num);
_M_item_max = std::max(_M_item_max, __inum);
if (_M_min == 0) {
_M_min = __num;
_M_item_min = __inum;
} else {
_M_min = std::min(_M_min, __num);
_M_item_min = std::min(_M_item_min, __inum);
_M_total += __num;
_M_item_total += __inum;
_M_count += 1;
inline void __container_size_info::__resize(size_t __from, size_t __to)
_M_cost += this->__resize_cost(__from, __to);
_M_resize += 1;
_M_max = std::max(_M_max, __to);
inline __container_size_info::__container_size_info(__stack_t __stack,
size_t __num)
: __object_info_base(__stack), _M_init(0), _M_max(0), _M_item_max(0),
_M_min(0), _M_item_min(0), _M_total(0), _M_item_total(0), _M_cost(0),
_M_count(0), _M_resize(0)
_M_init = _M_max = __num;
_M_item_min = _M_item_max = _M_item_total = _M_total = 0;
_M_min = 0;
_M_count = 0;
_M_resize = 0;
inline void __container_size_info::__merge(const __container_size_info& __o)
_M_init = std::max(_M_init, __o._M_init);
_M_max = std::max(_M_max, __o._M_max);
_M_item_max = std::max(_M_item_max, __o._M_item_max);
_M_min = std::min(_M_min, __o._M_min);
_M_item_min = std::min(_M_item_min, __o._M_item_min);
_M_total += __o._M_total;
_M_item_total += __o._M_item_total;
_M_count += __o._M_count;
_M_cost += __o._M_cost;
_M_resize += __o._M_resize;
inline __container_size_info::__container_size_info()
: _M_init(0), _M_max(0), _M_item_max(0), _M_min(0), _M_item_min(0),
_M_total(0), _M_item_total(0), _M_cost(0), _M_count(0), _M_resize(0)
inline __container_size_info::__container_size_info(
const __container_size_info& __o)
: __object_info_base(__o)
_M_init = __o._M_init;
_M_max = __o._M_max;
_M_item_max = __o._M_item_max;
_M_min = __o._M_min;
_M_item_min = __o._M_item_min;
_M_total = __o._M_total;
_M_item_total = __o._M_item_total;
_M_cost = __o._M_cost;
_M_count = __o._M_count;
_M_resize = __o._M_resize;
/** @brief A container size instrumentation line in the stack table. */
class __container_size_stack_info: public __container_size_info
__container_size_stack_info(const __container_size_info& __o)
: __container_size_info(__o) {}
/** @brief Container size instrumentation trace producer. */
class __trace_container_size
: public __trace_base<__container_size_info, __container_size_stack_info>
~__trace_container_size() {}
: __trace_base<__container_size_info, __container_size_stack_info>() {};
// Insert a new node at construct with object, callstack and initial size.
void __insert(const __object_t __obj, __stack_t __stack, size_t __num);
// Call at destruction/clean to set container final size.
void __destruct(const void* __obj, size_t __num, size_t __inum);
void __construct(const void* __obj, size_t __inum);
// Call at resize to set resize/cost information.
void __resize(const void* __obj, int __from, int __to);
inline void __trace_container_size::__insert(const __object_t __obj,
__stack_t __stack, size_t __num)
__add_object(__obj, __container_size_info(__stack, __num));
inline void __container_size_info::__write(FILE* __f) const
fprintf(__f, "%Zu %Zu %Zu %Zu %Zu %Zu %Zu %Zu %Zu %Zu\n",
_M_init, _M_count, _M_cost, _M_resize, _M_min, _M_max, _M_total,
_M_item_min, _M_item_max, _M_item_total);
inline void __trace_container_size::__destruct(const void* __obj,
size_t __num, size_t __inum)
if (!__is_on()) return;
__object_t __obj_handle = static_cast<__object_t>(__obj);
__container_size_info* __object_info = __get_object_info(__obj_handle);
if (!__object_info)
__object_info->__destruct(__num, __inum);
inline void __trace_container_size::__resize(const void* __obj, int __from,
int __to)
if (!__is_on()) return;
__container_size_info* __object_info = __get_object_info(__obj);
if (!__object_info)
__object_info->__resize(__from, __to);
} // namespace __gnu_profile