JemallocProfileSvc.h

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#ifndef JEMALLOC_JEMALLOCPROFILESVC_H
#define JEMALLOC_JEMALLOCPROFILESVC_H 1

// Include files
#include "GaudiKernel/IIncidentListener.h"
#include "GaudiKernel/Service.h"

class JemallocProfileSvc : public extends<Service, IIncidentListener>
{

public:
  using extends::extends;

  StatusCode initialize() override;

  StatusCode finalize() override;

  // Handler for incident
  void handle( const Incident& incident ) override;

  ~JemallocProfileSvc() override = default;

protected:
  void handleBegin();
  void handleEnd();
  void startProfiling();
  void stopProfiling();
  void dumpProfile();

private:
  Gaudi::Property<int> m_nStartFromEvent{this, "StartFromEventN", 0, "After what event we start profiling."};
  Gaudi::Property<std::vector<std::string>> m_startFromIncidents{
      this, "StartFromIncidents", {}, "Incidents that trigger profiling start"};
  Gaudi::Property<int> m_nStopAtEvent{
      this, "StopAtEventN", 0,
      "After what event we stop profiling. If 0 than we also profile finalization stage. Default = 0."};
  Gaudi::Property<std::vector<std::string>> m_stopAtIncidents{
      this, "StopAtIncidents", {}, "Incidents that trigger profiling start"};
  Gaudi::Property<int> m_dumpPeriod{this, "DumpPeriod", 100, "Period for dumping head to a file. Default=100"};

  int m_eventNumber = 0;

  bool m_hasStartIncident = false;
  bool m_hasStopIncident  = false;

  bool m_profiling = false;

  SmartIF<IIncidentSvc> m_incidentSvc;
};
#endif // JEMALLOC_JEMALLOCPROFILESVC_H