summaryrefslogtreecommitdiff
path: root/trace.cc
blob: f85013280d0a83ee7a8b180dc0bfdfe25ed25566 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
#include "trace.h"
#include "debug.h"
#include "timing.h"
#include "times.h"
#include "acconf.h"

namespace ledger {

bool trace_alloc_mode;
bool trace_class_mode;

void trace(const string& cat, const string& str)
{
  std::cerr << boost::posix_time::to_simple_string(now) << " "
	    << cat << ": " << str << std::endl;
}

void trace_push(const string& cat, const string& str,
		timing_t& timer)
{
  timer.start();
  trace(cat, str);
}

void trace_pop(const string& cat, const string& str,
	       timing_t& timer)
{
  timer.stop();
  std::ostringstream out;
  out << str << ": " << (double(timer.cumulative) / double(CLOCKS_PER_SEC)) << "s";
  trace(cat, out.str());
}

live_objects_map live_objects;
object_count_map ctor_count;
object_count_map object_count;
object_count_map live_count;

bool tracing_active = false;

inline void add_to_count_map(object_count_map& the_map,
			     const char * name, std::size_t size)
{
  object_count_map::iterator k = the_map.find(name);
  if (k != the_map.end()) {
    (*k).second.first++;
    (*k).second.second += size;
  } else {
    std::pair<object_count_map::iterator, bool> result =
      the_map.insert(object_count_pair(name, count_size_pair(1, size)));
    assert(result.second);
  }
}

inline void report_count_map(std::ostream& out, object_count_map& the_map)
{
  for (object_count_map::iterator i = the_map.begin();
       i != the_map.end();
       i++)
    out << "  " << std::right << std::setw(12) << (*i).second.first
	<< "  " << std::right << std::setw(12) << (*i).second.second
	<< "  " << std::left  << (*i).first
	<< std::endl;
}

bool trace_ctor(void * ptr, const char * cls_name, const char * args,
		std::size_t cls_size)
{
  if (! tracing_active)
    return true;

  if (trace_class_mode && cls_name[0] == '_')
    return true;
  if (trace_alloc_mode && cls_name[0] != '_')
    return true;
  
  static char name[1024];
  std::strcpy(name, cls_name);
  std::strcat(name, "(");
  std::strcat(name, args);
  std::strcat(name, ")");

  DEBUG_PRINT("ledger.trace.debug",
	      "trace_ctor " << ptr << " " << name);

  live_objects.insert(live_objects_pair(ptr, cls_name));

  add_to_count_map(ctor_count, name, cls_size);
  add_to_count_map(object_count, cls_name, cls_size);
  add_to_count_map(object_count, "__ALL__", cls_size);
  add_to_count_map(live_count, cls_name, cls_size);

  return true;
}

bool trace_dtor(void * ptr, const char * cls_name, std::size_t cls_size)
{
  if (! tracing_active)
    return true;

  if (trace_class_mode && cls_name[0] == '_')
    return true;
  if (trace_alloc_mode && cls_name[0] != '_')
    return true;
  
  DEBUG_PRINT("ledger.trace.debug", "trace_dtor " << ptr << " " << cls_name);

  live_objects_map::iterator i = live_objects.find(ptr);
  if (i == live_objects.end()) {
    std::cerr << "Destruction of unknown object of type " << cls_name
	      << " " << ptr << std::endl;
    assert(0);
    return false;
  }

  int ptr_count = live_objects.count(ptr);
  for (int x = 0; x < ptr_count; x++, i++) {
    if ((*i).second == cls_name) {
      live_objects.erase(i);
      break;
    }
  }

  object_count_map::iterator k = live_count.find(cls_name);
  if (k == live_count.end()) {
    std::cerr << "Destruction of unregistered class " << cls_name
	      << std::endl;;
    assert(0);
    return false;
  }

  (*k).second.second -= cls_size;
  if (--(*k).second.first == 0)
    live_count.erase(k);

  return true;
}

void report_memory(std::ostream& out)
{
  if (live_count.size() > 0) {
    out << "Live object counts:" << std::endl;
    report_count_map(out, live_count);
  }

  if (live_objects.size() > 0) {
    out << "Live objects:" << std::endl;

    for (live_objects_map::iterator i = live_objects.begin();
	 i != live_objects.end();
	 i++)
      out << "  " << std::right << std::setw(7) << (*i).first
	  << "  " << std::left  << (*i).second
	  << std::endl;
  }

  if (object_count.size() > 0) {
    out << "Object counts:" << std::endl;
    report_count_map(out, object_count);
  }

  if (ctor_count.size() > 0) {
    out << "Constructor counts:" << std::endl;
    report_count_map(out, ctor_count);
  }
}

#if DEBUG_LEVEL >= 4

string::string() : std::string() {
  TRACE_CTOR(string, "");
}
string::string(const string& str) : std::string(str) {
  TRACE_CTOR(string, "const string&");
}
string::string(const std::string& str) : std::string(str) {
  TRACE_CTOR(string, "const std::string&");
}
string::string(const int len, char x) : std::string(len, x) {
  TRACE_CTOR(string, "const int, char");
}
string::string(const char * str) : std::string(str) {
  TRACE_CTOR(string, "const char *");
}
string::string(const char * str, const char * end) : std::string(str, end) {
  TRACE_CTOR(string, "const char *, const char *");
}
string::string(const string& str, int x) : std::string(str, x) {
  TRACE_CTOR(string, "const string&, int");
}
string::string(const string& str, int x, int y) : std::string(str, x, y) {
  TRACE_CTOR(string, "const string&, int, int");
}
string::string(const char * str, int x) : std::string(str, x) {
  TRACE_CTOR(string, "const char *, int");
}
string::string(const char * str, int x, int y) : std::string(str, x, y) {
  TRACE_CTOR(string, "const char *, int, int");
}
string::~string() {
  TRACE_DTOR(string);
}

#endif

} // namespace ledger