blob: c3c8b649dccc6a7b6f860355cd295aacd61767b3 (
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
|
// Copyright 2014 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.
#ifndef V8_BASIC_BLOCK_PROFILER_H_
#define V8_BASIC_BLOCK_PROFILER_H_
#include <iosfwd>
#include <list>
#include <string>
#include <vector>
#include "src/base/macros.h"
#include "src/globals.h"
namespace v8 {
namespace internal {
class BasicBlockProfiler {
public:
class Data {
public:
size_t n_blocks() const { return n_blocks_; }
const uint32_t* counts() const { return &counts_[0]; }
void SetCode(std::ostringstream* os);
void SetFunctionName(std::ostringstream* os);
void SetSchedule(std::ostringstream* os);
void SetBlockId(size_t offset, size_t block_id);
uint32_t* GetCounterAddress(size_t offset);
private:
friend class BasicBlockProfiler;
friend std::ostream& operator<<(std::ostream& os,
const BasicBlockProfiler::Data& s);
explicit Data(size_t n_blocks);
~Data();
void ResetCounts();
const size_t n_blocks_;
std::vector<size_t> block_ids_;
std::vector<uint32_t> counts_;
std::string function_name_;
std::string schedule_;
std::string code_;
DISALLOW_COPY_AND_ASSIGN(Data);
};
typedef std::list<Data*> DataList;
BasicBlockProfiler();
~BasicBlockProfiler();
Data* NewData(size_t n_blocks);
void ResetCounts();
const DataList* data_list() { return &data_list_; }
private:
friend V8_EXPORT_PRIVATE std::ostream& operator<<(
std::ostream& os, const BasicBlockProfiler& s);
DataList data_list_;
DISALLOW_COPY_AND_ASSIGN(BasicBlockProfiler);
};
V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& os,
const BasicBlockProfiler& s);
std::ostream& operator<<(std::ostream& os, const BasicBlockProfiler::Data& s);
} // namespace internal
} // namespace v8
#endif // V8_BASIC_BLOCK_PROFILER_H_
|
