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
|
// Copyright 2012 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/extensions/statistics-extension.h"
namespace v8 {
namespace internal {
const char* const StatisticsExtension::kSource =
"native function getV8Statistics();";
v8::Handle<v8::FunctionTemplate> StatisticsExtension::GetNativeFunctionTemplate(
v8::Isolate* isolate,
v8::Handle<v8::String> str) {
DCHECK(strcmp(*v8::String::Utf8Value(str), "getV8Statistics") == 0);
return v8::FunctionTemplate::New(isolate, StatisticsExtension::GetCounters);
}
static void AddCounter(v8::Isolate* isolate,
v8::Local<v8::Object> object,
StatsCounter* counter,
const char* name) {
if (counter->Enabled()) {
object->Set(v8::String::NewFromUtf8(isolate, name),
v8::Number::New(isolate, *counter->GetInternalPointer()));
}
}
static void AddNumber(v8::Isolate* isolate,
v8::Local<v8::Object> object,
intptr_t value,
const char* name) {
object->Set(v8::String::NewFromUtf8(isolate, name),
v8::Number::New(isolate, static_cast<double>(value)));
}
static void AddNumber64(v8::Isolate* isolate,
v8::Local<v8::Object> object,
int64_t value,
const char* name) {
object->Set(v8::String::NewFromUtf8(isolate, name),
v8::Number::New(isolate, static_cast<double>(value)));
}
void StatisticsExtension::GetCounters(
const v8::FunctionCallbackInfo<v8::Value>& args) {
Isolate* isolate = reinterpret_cast<Isolate*>(args.GetIsolate());
Heap* heap = isolate->heap();
if (args.Length() > 0) { // GC if first argument evaluates to true.
if (args[0]->IsBoolean() &&
args[0]->ToBoolean(args.GetIsolate())->Value()) {
heap->CollectAllGarbage(Heap::kNoGCFlags, "counters extension");
}
}
Counters* counters = isolate->counters();
v8::Local<v8::Object> result = v8::Object::New(args.GetIsolate());
#define ADD_COUNTER(name, caption) \
AddCounter(args.GetIsolate(), result, counters->name(), #name);
STATS_COUNTER_LIST_1(ADD_COUNTER)
STATS_COUNTER_LIST_2(ADD_COUNTER)
#undef ADD_COUNTER
#define ADD_COUNTER(name) \
AddCounter(args.GetIsolate(), result, counters->count_of_##name(), \
"count_of_" #name); \
AddCounter(args.GetIsolate(), result, counters->size_of_##name(), \
"size_of_" #name);
INSTANCE_TYPE_LIST(ADD_COUNTER)
#undef ADD_COUNTER
#define ADD_COUNTER(name) \
AddCounter(args.GetIsolate(), result, counters->count_of_CODE_TYPE_##name(), \
"count_of_CODE_TYPE_" #name); \
AddCounter(args.GetIsolate(), result, counters->size_of_CODE_TYPE_##name(), \
"size_of_CODE_TYPE_" #name);
CODE_KIND_LIST(ADD_COUNTER)
#undef ADD_COUNTER
#define ADD_COUNTER(name) \
AddCounter(args.GetIsolate(), result, \
counters->count_of_FIXED_ARRAY_##name(), \
"count_of_FIXED_ARRAY_" #name); \
AddCounter(args.GetIsolate(), result, \
counters->size_of_FIXED_ARRAY_##name(), \
"size_of_FIXED_ARRAY_" #name);
FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(ADD_COUNTER)
#undef ADD_COUNTER
AddNumber(args.GetIsolate(), result, isolate->memory_allocator()->Size(),
"total_committed_bytes");
AddNumber(args.GetIsolate(), result, heap->new_space()->Size(),
"new_space_live_bytes");
AddNumber(args.GetIsolate(), result, heap->new_space()->Available(),
"new_space_available_bytes");
AddNumber(args.GetIsolate(), result, heap->new_space()->CommittedMemory(),
"new_space_commited_bytes");
AddNumber(args.GetIsolate(), result, heap->old_pointer_space()->Size(),
"old_pointer_space_live_bytes");
AddNumber(args.GetIsolate(), result, heap->old_pointer_space()->Available(),
"old_pointer_space_available_bytes");
AddNumber(args.GetIsolate(), result,
heap->old_pointer_space()->CommittedMemory(),
"old_pointer_space_commited_bytes");
AddNumber(args.GetIsolate(), result, heap->old_data_space()->Size(),
"old_data_space_live_bytes");
AddNumber(args.GetIsolate(), result, heap->old_data_space()->Available(),
"old_data_space_available_bytes");
AddNumber(args.GetIsolate(), result,
heap->old_data_space()->CommittedMemory(),
"old_data_space_commited_bytes");
AddNumber(args.GetIsolate(), result, heap->code_space()->Size(),
"code_space_live_bytes");
AddNumber(args.GetIsolate(), result, heap->code_space()->Available(),
"code_space_available_bytes");
AddNumber(args.GetIsolate(), result, heap->code_space()->CommittedMemory(),
"code_space_commited_bytes");
AddNumber(args.GetIsolate(), result, heap->cell_space()->Size(),
"cell_space_live_bytes");
AddNumber(args.GetIsolate(), result, heap->cell_space()->Available(),
"cell_space_available_bytes");
AddNumber(args.GetIsolate(), result, heap->cell_space()->CommittedMemory(),
"cell_space_commited_bytes");
AddNumber(args.GetIsolate(), result, heap->property_cell_space()->Size(),
"property_cell_space_live_bytes");
AddNumber(args.GetIsolate(), result, heap->property_cell_space()->Available(),
"property_cell_space_available_bytes");
AddNumber(args.GetIsolate(), result,
heap->property_cell_space()->CommittedMemory(),
"property_cell_space_commited_bytes");
AddNumber(args.GetIsolate(), result, heap->lo_space()->Size(),
"lo_space_live_bytes");
AddNumber(args.GetIsolate(), result, heap->lo_space()->Available(),
"lo_space_available_bytes");
AddNumber(args.GetIsolate(), result, heap->lo_space()->CommittedMemory(),
"lo_space_commited_bytes");
AddNumber64(args.GetIsolate(), result,
heap->amount_of_external_allocated_memory(),
"amount_of_external_allocated_memory");
args.GetReturnValue().Set(result);
}
} } // namespace v8::internal
|
