eventEmitter.hpp

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#ifndef SHARE_JFR_LEAKPROFILER_CHECKPOINT_EVENTEMITTER_HPP
#define SHARE_JFR_LEAKPROFILER_CHECKPOINT_EVENTEMITTER_HPP

#include "memory/allocation.hpp"
#include "jfr/utilities/jfrTime.hpp"

typedef u8 traceid;

class EdgeStore;
class JfrThreadLocal;
class ObjectSample;
class ObjectSampler;
class Thread;

class EventEmitter : public CHeapObj<mtTracing> {
  friend class LeakProfiler;
  friend class PathToGcRootsOperation;
 private:
  const JfrTicks& _start_time;
  const JfrTicks& _end_time;
  Thread* _thread;
  JfrThreadLocal* _jfr_thread_local;
  traceid _thread_id;

  EventEmitter(const JfrTicks& start_time, const JfrTicks& end_time);
  ~EventEmitter();

  void write_event(const ObjectSample* sample, EdgeStore* edge_store);
  size_t write_events(ObjectSampler* sampler, EdgeStore* store, bool emit_all);
  void link_sample_with_edge(const ObjectSample* sample, EdgeStore* edge_store);

  static void emit(ObjectSampler* sampler, int64_t cutoff_ticks, bool emit_all, bool skip_bfs);
};

#endif // SHARE_JFR_LEAKPROFILER_CHECKPOINT_EVENTEMITTER_HPP