Upstream version 11.40.271.0
[platform/framework/web/crosswalk.git] / src / v8 / src / compiler / pipeline-statistics.h
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_COMPILER_PIPELINE_STATISTICS_H_
6 #define V8_COMPILER_PIPELINE_STATISTICS_H_
7
8 #include <string>
9
10 #include "src/compilation-statistics.h"
11 #include "src/compiler/zone-pool.h"
12
13 namespace v8 {
14 namespace internal {
15 namespace compiler {
16
17 class PhaseScope;
18
19 class PipelineStatistics : public Malloced {
20  public:
21   PipelineStatistics(CompilationInfo* info, ZonePool* zone_pool);
22   ~PipelineStatistics();
23
24   void BeginPhaseKind(const char* phase_kind_name);
25
26  private:
27   size_t OuterZoneSize() {
28     return static_cast<size_t>(outer_zone_->allocation_size());
29   }
30
31   class CommonStats {
32    public:
33     CommonStats() : outer_zone_initial_size_(0) {}
34
35     void Begin(PipelineStatistics* pipeline_stats);
36     void End(PipelineStatistics* pipeline_stats,
37              CompilationStatistics::BasicStats* diff);
38
39     SmartPointer<ZonePool::StatsScope> scope_;
40     base::ElapsedTimer timer_;
41     size_t outer_zone_initial_size_;
42     size_t allocated_bytes_at_start_;
43   };
44
45   bool InPhaseKind() { return !phase_kind_stats_.scope_.is_empty(); }
46   void EndPhaseKind();
47
48   friend class PhaseScope;
49   bool InPhase() { return !phase_stats_.scope_.is_empty(); }
50   void BeginPhase(const char* name);
51   void EndPhase();
52
53   Isolate* isolate_;
54   Zone* outer_zone_;
55   ZonePool* zone_pool_;
56   CompilationStatistics* compilation_stats_;
57   std::string function_name_;
58
59   // Stats for the entire compilation.
60   CommonStats total_stats_;
61   size_t source_size_;
62
63   // Stats for phase kind.
64   const char* phase_kind_name_;
65   CommonStats phase_kind_stats_;
66
67   // Stats for phase.
68   const char* phase_name_;
69   CommonStats phase_stats_;
70
71   DISALLOW_COPY_AND_ASSIGN(PipelineStatistics);
72 };
73
74
75 class PhaseScope {
76  public:
77   PhaseScope(PipelineStatistics* pipeline_stats, const char* name)
78       : pipeline_stats_(pipeline_stats) {
79     if (pipeline_stats_ != NULL) pipeline_stats_->BeginPhase(name);
80   }
81   ~PhaseScope() {
82     if (pipeline_stats_ != NULL) pipeline_stats_->EndPhase();
83   }
84
85  private:
86   PipelineStatistics* const pipeline_stats_;
87
88   DISALLOW_COPY_AND_ASSIGN(PhaseScope);
89 };
90
91 }  // namespace compiler
92 }  // namespace internal
93 }  // namespace v8
94
95 #endif