IProfilingService.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2026 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* IProfilingService.h                                         (C) 2000-2023 */
/*                                                                           */
/* Interface of a profiling service.                                         */
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#ifndef ARCANE_UTILS_IPROFILINGSERVICE_H
#define ARCANE_UTILS_IPROFILINGSERVICE_H
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#include "arcane/utils/UtilsTypes.h"
 
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namespace Arcane
{
 
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class ITimerMng;
 
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class ARCANE_UTILS_EXPORT IProfilingService
{
 public:
 
  virtual ~IProfilingService() = default;
 
 public:

  virtual void initialize() = 0;

  virtual bool isInitialized() const { return false; }

  virtual void startProfiling() = 0;
 
  virtual void switchEvent() = 0;

  virtual void stopProfiling() = 0;

  virtual void printInfos(bool dump_file = false) = 0;
 
  virtual void getInfos(Int64Array&) = 0;

  virtual void dumpJSON(JSONWriter& writer) = 0;

  virtual void reset() = 0;

  virtual ITimerMng* timerMng() = 0;
};
 
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class ARCANE_UTILS_EXPORT ProfilingSentry
{
 public:
 
  explicit ProfilingSentry(IProfilingService* s)
  : m_service(s)
  {
    if (m_service)
      m_service->startProfiling();
  }
  ~ProfilingSentry()
  {
    if (m_service)
      m_service->stopProfiling();
  }
 
 public:
 
  IProfilingService* service() { return m_service; }
 
 private:
 
  IProfilingService* m_service;
};
 
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class ARCANE_UTILS_EXPORT ProfilingSentryWithInitialize
{
 public:

  explicit ProfilingSentryWithInitialize(IProfilingService* s)
  : m_service(s)
  {
    if (m_service) {
      if (!m_service->isInitialized())
        m_service->initialize();
      m_service->startProfiling();
    }
  }
 
  ~ProfilingSentryWithInitialize()
  {
    if (m_service) {
      m_service->stopProfiling();
      if (m_print_at_end)
        m_service->printInfos(false);
    }
  }
 
 public:
 
  IProfilingService* service() { return m_service; }
  void setPrintAtEnd(bool v) { m_print_at_end = v; }
 
 private:
 
  IProfilingService* m_service = nullptr;
  bool m_print_at_end = false;
};
 
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} // End namespace Arcane
 
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#endif