profiler.hpp

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// DUNE DAQ modification notice:
// This file has been modified from the original ATLAS oks source for the DUNE DAQ project.
// Fork baseline commit: oks-08-03-04 (2022-04-14).
// Renamed since fork: yes (from oks/profiler.h to include/oks/profiler.hpp).
 
#ifndef __OKS_PROFILER
#define __OKS_PROFILER
 
#include <chrono>
 
#include "oks/defs.hpp"
 
namespace dunedaq {
namespace oks {
 
class OksKernel;
 
class OksProfiler
{
public:
  enum FunctionID
  {
    KernelDestructor = 0,
    KernelOperatorOut,
    KernelLoadSchema,
    KernelSaveSchema,
    KernelCloseSchema,
    KernelCreateSchemaClassList,
    KernelLoadData,
    KernelSaveData,
    KernelCloseData,
    KernelCreateDataObjectList,
    KernelIsDanglingObject,
    KernelIsDanglingClass,
    ObjectStreamConstructor,
    ObjectNormalConstructor,
    ObjectCopyConstructor,
    ObjectDestructor,
    ObjectOperatorEqual,
    ObjectOperatorOut,
    ObjectSatisfiesQueryExpression,
    ObjectGetFreeObjectId,
    ObjectPutObject,
    ClassConstructor,
    ClassDestructor,
    ClassOperatorOut,
    ClassGetObject,
    Classexecute_query,
    ClassRegistrateClass,
    ClassRegistrateClassChange,
    ClassRegistrateAttributeChange,
    ClassRegistrateRelationshipChange,
    ClassRegistrateInstances,
    ClassCreateSubClassesList,
    fStringToQuery,
    fStringToQueryExpression,
    QueryOperatorFrom
  };
 
  friend std::ostream& operator<<(std::ostream&, const OksProfiler&);
 
  const std::chrono::time_point<std::chrono::steady_clock> start_time_point() const { return p_start_time_point; }
 
private:
  OksProfiler();
 
  void Start(OksProfiler::FunctionID, std::chrono::time_point<std::chrono::steady_clock>&);
 
  void Stop(OksProfiler::FunctionID, const std::chrono::time_point<std::chrono::steady_clock>&);
 
  std::chrono::time_point<std::chrono::steady_clock> p_start_time_point;
 
  double t_total[(unsigned)OksProfiler::QueryOperatorFrom + 1];
  unsigned long c_total[(unsigned)OksProfiler::QueryOperatorFrom + 1];
 
  friend class OksKernel;
  friend class OksFunctionProfiler;
};
 
class OksFunctionProfiler
{
public:
  OksFunctionProfiler(OksProfiler::FunctionID, const OksKernel*);
  ~OksFunctionProfiler();
 
private:
  const OksKernel* kernel;
  OksProfiler::FunctionID func_id;
  std::chrono::time_point<std::chrono::steady_clock> p_start_time_point;
};
 
} // namespace oks
} // namespace dunedaq
#endif