TimelineSvc.h

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* (c) Copyright 1998-2026 CERN for the benefit of the LHCb and ATLAS collaborations *
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* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
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#pragma once
 
#include <GaudiKernel/ITimelineSvc.h>
#include <GaudiKernel/Service.h>
#include <string>
 
#include <boost/functional/hash.hpp>
#include <tbb/concurrent_unordered_map.h>
 
class TimelineSvc : public extends<Service, ITimelineSvc> {
public:
  using extends::extends;
 
  StatusCode initialize() override;
  StatusCode reinitialize() override;
  StatusCode finalize() override;
 
  TimelineRecorder getRecorder( std::string alg, const EventContext& ctx ) override;
 
  bool getTimelineEvent( TimelineEvent& ) const override;
  bool getFirstMatching( TimelineEvent& ) const override;
  bool getLastMatching( TimelineEvent& ) const override;
  bool isEnabled() const override { return m_isEnabled; }
 
private:
  void outputTimeline();
 
  Gaudi::Property<std::string> m_timelineFile{ this, "TimelineFile", "timeline.csv", "" };
  Gaudi::Property<bool>        m_isEnabled{ this, "RecordTimeline", false, "Enable recording of the timeline events" };
  Gaudi::Property<bool>        m_dumpTimeline{ this, "DumpTimeline", false, "Enable dumping of the timeline events" };
  Gaudi::Property<bool>        m_partial{ this, "Partial", false, "" };
 
  using key_type = std::tuple<std::string, std::size_t>;
  tbb::concurrent_unordered_multimap<key_type, TimelineEvent, boost::hash<key_type>> m_events;
};