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1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef V8_COMPILATION_STATISTICS_H_
6 #define V8_COMPILATION_STATISTICS_H_
7 
8 #include <map>
9 #include <string>
10 
11 #include "src/allocation.h"
12 #include "src/base/platform/time.h"
13 
14 namespace v8 {
15 namespace internal {
16 
17 class OptimizedCompilationInfo;
18 class CompilationStatistics;
19 
20 struct AsPrintableStatistics {
21   const CompilationStatistics& s;
22   const bool machine_output;
23 };
24 
25 class CompilationStatistics final : public Malloced {
26  public:
CompilationStatistics()27   CompilationStatistics() {}
28 
29   class BasicStats {
30    public:
BasicStats()31     BasicStats()
32         : total_allocated_bytes_(0),
33           max_allocated_bytes_(0),
34           absolute_max_allocated_bytes_(0) {}
35 
36     void Accumulate(const BasicStats& stats);
37 
38     base::TimeDelta delta_;
39     size_t total_allocated_bytes_;
40     size_t max_allocated_bytes_;
41     size_t absolute_max_allocated_bytes_;
42     std::string function_name_;
43   };
44 
45   void RecordPhaseStats(const char* phase_kind_name, const char* phase_name,
46                         const BasicStats& stats);
47 
48   void RecordPhaseKindStats(const char* phase_kind_name,
49                             const BasicStats& stats);
50 
51   void RecordTotalStats(size_t source_size, const BasicStats& stats);
52 
53  private:
54   class TotalStats : public BasicStats {
55    public:
TotalStats()56     TotalStats() : source_size_(0) {}
57     uint64_t source_size_;
58   };
59 
60   class OrderedStats : public BasicStats {
61    public:
OrderedStats(size_t insert_order)62     explicit OrderedStats(size_t insert_order) : insert_order_(insert_order) {}
63     size_t insert_order_;
64   };
65 
66   class PhaseStats : public OrderedStats {
67    public:
PhaseStats(size_t insert_order,const char * phase_kind_name)68     PhaseStats(size_t insert_order, const char* phase_kind_name)
69         : OrderedStats(insert_order), phase_kind_name_(phase_kind_name) {}
70     std::string phase_kind_name_;
71   };
72 
73   friend std::ostream& operator<<(std::ostream& os,
74                                   const AsPrintableStatistics& s);
75 
76   typedef OrderedStats PhaseKindStats;
77   typedef std::map<std::string, PhaseKindStats> PhaseKindMap;
78   typedef std::map<std::string, PhaseStats> PhaseMap;
79 
80   TotalStats total_stats_;
81   PhaseKindMap phase_kind_map_;
82   PhaseMap phase_map_;
83   base::Mutex record_mutex_;
84 
85   DISALLOW_COPY_AND_ASSIGN(CompilationStatistics);
86 };
87 
88 std::ostream& operator<<(std::ostream& os, const AsPrintableStatistics& s);
89 
90 }  // namespace internal
91 }  // namespace v8
92 
93 #endif  // V8_COMPILATION_STATISTICS_H_
94