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23 
24 #ifndef SHARE_GC_Z_ZSERVICEABILITY_HPP
25 #define SHARE_GC_Z_ZSERVICEABILITY_HPP
26 
27 #include "gc/shared/collectorCounters.hpp"
28 #include "gc/shared/gcVMOperations.hpp"
29 #include "memory/allocation.hpp"
30 #include "services/memoryManager.hpp"
31 #include "services/memoryPool.hpp"
32 #include "services/memoryService.hpp"
33 
34 class ZServiceabilityCounters;
35 
36 class ZServiceabilityMemoryPool : public CollectedMemoryPool {
37 public:
38   ZServiceabilityMemoryPool(size_t min_capacity, size_t max_capacity);
39 
40   virtual size_t used_in_bytes();
41   virtual MemoryUsage get_memory_usage();
42 };
43 
44 class ZServiceabilityMemoryManager : public GCMemoryManager {
45 public:
46   ZServiceabilityMemoryManager(ZServiceabilityMemoryPool* pool);
47 };
48 
49 class ZServiceability {
50 private:
51   const size_t                 _min_capacity;
52   const size_t                 _max_capacity;
53   ZServiceabilityMemoryPool    _memory_pool;
54   ZServiceabilityMemoryManager _memory_manager;
55   ZServiceabilityCounters*     _counters;
56 
57 public:
58   ZServiceability(size_t min_capacity, size_t max_capacity);
59 
60   void initialize();
61 
62   MemoryPool* memory_pool();
63   GCMemoryManager* memory_manager();
64   ZServiceabilityCounters* counters();
65 };
66 
67 class ZServiceabilityMemoryUsageTracker {
68 public:
69   ~ZServiceabilityMemoryUsageTracker();
70 };
71 
72 class ZServiceabilityManagerStatsTracer {
73 private:
74   TraceMemoryManagerStats _stats;
75 
76 public:
77   ZServiceabilityManagerStatsTracer(bool is_gc_begin, bool is_gc_end);
78 };
79 
80 class ZServiceabilityCountersTracer {
81 private:
82   TraceCollectorStats _stats;
83 
84 public:
85   ZServiceabilityCountersTracer();
86   ~ZServiceabilityCountersTracer();
87 };
88 
89 template <bool IsGCStart, bool IsGCEnd>
90 class ZServiceabilityTracer : public StackObj {
91 private:
92   SvcGCMarker                       _svc_gc_marker;
93   ZServiceabilityMemoryUsageTracker _memory_usage_tracker;
94   ZServiceabilityManagerStatsTracer _manager_stats_tracer;
95   ZServiceabilityCountersTracer     _counters_tracer;
96 
97 public:
ZServiceabilityTracer()98   ZServiceabilityTracer() :
99       _svc_gc_marker(SvcGCMarker::CONCURRENT),
100       _memory_usage_tracker(),
101       _manager_stats_tracer(IsGCStart, IsGCEnd),
102       _counters_tracer() {}
103 };
104 
105 typedef ZServiceabilityTracer<true,  false> ZServiceabilityMarkStartTracer;
106 typedef ZServiceabilityTracer<false, false> ZServiceabilityMarkEndTracer;
107 typedef ZServiceabilityTracer<false, true>  ZServiceabilityRelocateStartTracer;
108 
109 #endif // SHARE_GC_Z_ZSERVICEABILITY_HPP
110