GCC Code Coverage Report
Directory: ../ Exec Total Coverage
File: /home/iojs/build/workspace/node-test-commit-linux-coverage-daily/nodes/benchmark/out/../src/node_v8.cc Lines: 85 85 100.0 %
Date: 2021-01-16 04:10:54 Branches: 7 12 58.3 %

Line Branch Exec Source
1
// Copyright Joyent, Inc. and other Node contributors.
2
//
3
// Permission is hereby granted, free of charge, to any person obtaining a
4
// copy of this software and associated documentation files (the
5
// "Software"), to deal in the Software without restriction, including
6
// without limitation the rights to use, copy, modify, merge, publish,
7
// distribute, sublicense, and/or sell copies of the Software, and to permit
8
// persons to whom the Software is furnished to do so, subject to the
9
// following conditions:
10
//
11
// The above copyright notice and this permission notice shall be included
12
// in all copies or substantial portions of the Software.
13
//
14
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
17
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
18
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20
// USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22
#include "node.h"
23
#include "base_object-inl.h"
24
#include "env-inl.h"
25
#include "memory_tracker-inl.h"
26
#include "util-inl.h"
27
#include "v8.h"
28
29
namespace node {
30
31
using v8::Array;
32
using v8::Context;
33
using v8::FunctionCallbackInfo;
34
using v8::HeapCodeStatistics;
35
using v8::HeapSpaceStatistics;
36
using v8::HeapStatistics;
37
using v8::Integer;
38
using v8::Isolate;
39
using v8::Local;
40
using v8::Object;
41
using v8::ScriptCompiler;
42
using v8::String;
43
using v8::Uint32;
44
using v8::V8;
45
using v8::Value;
46
47
48
#define HEAP_STATISTICS_PROPERTIES(V)                                         \
49
  V(0, total_heap_size, kTotalHeapSizeIndex)                                  \
50
  V(1, total_heap_size_executable, kTotalHeapSizeExecutableIndex)             \
51
  V(2, total_physical_size, kTotalPhysicalSizeIndex)                          \
52
  V(3, total_available_size, kTotalAvailableSize)                             \
53
  V(4, used_heap_size, kUsedHeapSizeIndex)                                    \
54
  V(5, heap_size_limit, kHeapSizeLimitIndex)                                  \
55
  V(6, malloced_memory, kMallocedMemoryIndex)                                 \
56
  V(7, peak_malloced_memory, kPeakMallocedMemoryIndex)                        \
57
  V(8, does_zap_garbage, kDoesZapGarbageIndex)                                \
58
  V(9, number_of_native_contexts, kNumberOfNativeContextsIndex)               \
59
  V(10, number_of_detached_contexts, kNumberOfDetachedContextsIndex)
60
61
#define V(a, b, c) +1
62
static constexpr size_t kHeapStatisticsPropertiesCount =
63
    HEAP_STATISTICS_PROPERTIES(V);
64
#undef V
65
66
67
#define HEAP_SPACE_STATISTICS_PROPERTIES(V)                                   \
68
  V(0, space_size, kSpaceSizeIndex)                                           \
69
  V(1, space_used_size, kSpaceUsedSizeIndex)                                  \
70
  V(2, space_available_size, kSpaceAvailableSizeIndex)                        \
71
  V(3, physical_space_size, kPhysicalSpaceSizeIndex)
72
73
#define V(a, b, c) +1
74
static constexpr size_t kHeapSpaceStatisticsPropertiesCount =
75
    HEAP_SPACE_STATISTICS_PROPERTIES(V);
76
#undef V
77
78
#define HEAP_CODE_STATISTICS_PROPERTIES(V)                                     \
79
  V(0, code_and_metadata_size, kCodeAndMetadataSizeIndex)                      \
80
  V(1, bytecode_and_metadata_size, kBytecodeAndMetadataSizeIndex)              \
81
  V(2, external_script_source_size, kExternalScriptSourceSizeIndex)
82
83
#define V(a, b, c) +1
84
static const size_t kHeapCodeStatisticsPropertiesCount =
85
    HEAP_CODE_STATISTICS_PROPERTIES(V);
86
#undef V
87
88
896
class BindingData : public BaseObject {
89
 public:
90
633
  BindingData(Environment* env, Local<Object> obj)
91
633
      : BaseObject(env, obj),
92
        heap_statistics_buffer(env->isolate(), kHeapStatisticsPropertiesCount),
93
        heap_space_statistics_buffer(env->isolate(),
94
                                     kHeapSpaceStatisticsPropertiesCount),
95
        heap_code_statistics_buffer(env->isolate(),
96
633
                                    kHeapCodeStatisticsPropertiesCount) {}
97
98
  static constexpr FastStringKey binding_data_name { "v8" };
99
100
  AliasedFloat64Array heap_statistics_buffer;
101
  AliasedFloat64Array heap_space_statistics_buffer;
102
  AliasedFloat64Array heap_code_statistics_buffer;
103
104
18
  void MemoryInfo(MemoryTracker* tracker) const override {
105
18
    tracker->TrackField("heap_statistics_buffer", heap_statistics_buffer);
106
18
    tracker->TrackField("heap_space_statistics_buffer",
107
18
                        heap_space_statistics_buffer);
108
18
    tracker->TrackField("heap_code_statistics_buffer",
109
18
                        heap_code_statistics_buffer);
110
18
  }
111
18
  SET_SELF_SIZE(BindingData)
112
18
  SET_MEMORY_INFO_NAME(BindingData)
113
};
114
115
// TODO(addaleax): Remove once we're on C++17.
116
constexpr FastStringKey BindingData::binding_data_name;
117
118
4
void CachedDataVersionTag(const FunctionCallbackInfo<Value>& args) {
119
4
  Environment* env = Environment::GetCurrent(args);
120
  Local<Integer> result =
121
      Integer::NewFromUnsigned(env->isolate(),
122
4
                               ScriptCompiler::CachedDataVersionTag());
123
8
  args.GetReturnValue().Set(result);
124
4
}
125
126
1643
void UpdateHeapStatisticsBuffer(const FunctionCallbackInfo<Value>& args) {
127
1643
  BindingData* data = Environment::GetBindingData<BindingData>(args);
128
1643
  HeapStatistics s;
129
1643
  args.GetIsolate()->GetHeapStatistics(&s);
130
1643
  AliasedFloat64Array& buffer = data->heap_statistics_buffer;
131
#define V(index, name, _) buffer[index] = static_cast<double>(s.name());
132
1643
  HEAP_STATISTICS_PROPERTIES(V)
133
4929
#undef V
134
9858
}
135
6572
136
6572
137
16430
void UpdateHeapSpaceStatisticsBuffer(const FunctionCallbackInfo<Value>& args) {
138
13144
  BindingData* data = Environment::GetBindingData<BindingData>(args);
139
13144
  HeapSpaceStatistics s;
140
13144
  Isolate* const isolate = args.GetIsolate();
141
26288
  CHECK(args[0]->IsUint32());
142
39432
  size_t space_index = static_cast<size_t>(args[0].As<v8::Uint32>()->Value());
143
13144
  isolate->GetHeapSpaceStatistics(&s, space_index);
144
145
13144
  AliasedFloat64Array& buffer = data->heap_space_statistics_buffer;
146
147
#define V(index, name, _) buffer[index] = static_cast<double>(s.name());
148
13144
  HEAP_SPACE_STATISTICS_PROPERTIES(V)
149
#undef V
150
13144
}
151
152
1
void UpdateHeapCodeStatisticsBuffer(const FunctionCallbackInfo<Value>& args) {
153
1
  BindingData* data = Environment::GetBindingData<BindingData>(args);
154
1
  HeapCodeStatistics s;
155
1
  args.GetIsolate()->GetHeapCodeAndMetadataStatistics(&s);
156
1
  AliasedFloat64Array& buffer = data->heap_code_statistics_buffer;
157
158
#define V(index, name, _) buffer[index] = static_cast<double>(s.name());
159
1
  HEAP_CODE_STATISTICS_PROPERTIES(V)
160
#undef V
161
1
}
162
163
164
8
void SetFlagsFromString(const FunctionCallbackInfo<Value>& args) {
165
24
  CHECK(args[0]->IsString());
166
16
  String::Utf8Value flags(args.GetIsolate(), args[0]);
167
8
  V8::SetFlagsFromString(*flags, static_cast<size_t>(flags.length()));
168
8
}
169
170
171
633
void Initialize(Local<Object> target,
172
                Local<Value> unused,
173
                Local<Context> context,
174
                void* priv) {
175
633
  Environment* env = Environment::GetCurrent(context);
176
  BindingData* const binding_data =
177
633
      env->AddBindingData<BindingData>(context, target);
178
633
  if (binding_data == nullptr) return;
179
180
  env->SetMethodNoSideEffect(target, "cachedDataVersionTag",
181
633
                             CachedDataVersionTag);
182
183
  // Export symbols used by v8.getHeapStatistics()
184
  env->SetMethod(
185
633
      target, "updateHeapStatisticsBuffer", UpdateHeapStatisticsBuffer);
186
187
  target
188
1266
      ->Set(env->context(),
189
            FIXED_ONE_BYTE_STRING(env->isolate(), "heapStatisticsBuffer"),
190
3165
            binding_data->heap_statistics_buffer.GetJSArray())
191
      .Check();
192
193
#define V(i, _, name)                                                         \
194
  target->Set(env->context(),                                                 \
195
              FIXED_ONE_BYTE_STRING(env->isolate(), #name),                   \
196
              Uint32::NewFromUnsigned(env->isolate(), i)).Check();
197
198
4431
  HEAP_STATISTICS_PROPERTIES(V)
199
200
3165
  // Export symbols used by v8.getHeapCodeStatistics()
201
4431
  env->SetMethod(
202
5064
      target, "updateHeapCodeStatisticsBuffer", UpdateHeapCodeStatisticsBuffer);
203
4431
204
4431
  target
205
4431
      ->Set(env->context(),
206
1266
            FIXED_ONE_BYTE_STRING(env->isolate(), "heapCodeStatisticsBuffer"),
207
7596
            binding_data->heap_code_statistics_buffer.GetJSArray())
208
4431
      .Check();
209
4431
210
11394
  HEAP_CODE_STATISTICS_PROPERTIES(V)
211
212
633
  size_t number_of_heap_spaces = env->isolate()->NumberOfHeapSpaces();
213
214
  // Heap space names are extracted once and exposed to JavaScript to
215
  // avoid excessive creation of heap space name Strings.
216
633
  HeapSpaceStatistics s;
217
1266
  MaybeStackBuffer<Local<Value>, 16> heap_spaces(number_of_heap_spaces);
218
5697
  for (size_t i = 0; i < number_of_heap_spaces; i++) {
219
5064
    env->isolate()->GetHeapSpaceStatistics(&s, i);
220
15192
    heap_spaces[i] = String::NewFromUtf8(env->isolate(), s.space_name())
221
5064
                                             .ToLocalChecked();
222
  }
223
1266
  target->Set(env->context(),
224
              FIXED_ONE_BYTE_STRING(env->isolate(), "kHeapSpaces"),
225
              Array::New(env->isolate(),
226
                         heap_spaces.out(),
227
3165
                         number_of_heap_spaces)).Check();
228
229
  env->SetMethod(target,
230
                 "updateHeapSpaceStatisticsBuffer",
231
633
                 UpdateHeapSpaceStatisticsBuffer);
232
233
  target
234
1266
      ->Set(env->context(),
235
            FIXED_ONE_BYTE_STRING(env->isolate(),
236
                                  "heapSpaceStatisticsBuffer"),
237
3165
            binding_data->heap_space_statistics_buffer.GetJSArray())
238
      .Check();
239
240
9495
  HEAP_SPACE_STATISTICS_PROPERTIES(V)
241
#undef V
242
243
  // Export symbols used by v8.setFlagsFromString()
244
3165
  env->SetMethod(target, "setFlagsFromString", SetFlagsFromString);
245
}
246
247
}  // namespace node
248
249

18652
NODE_MODULE_CONTEXT_AWARE_INTERNAL(v8, node::Initialize)