JsonMessagePassingProfilingService.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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/* JsonMessagePassingProfilingService.h                        (C) 2000-2019 */
/*                                                                           */
/* Performance information for "message passing" in JSON format              */
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#ifndef ARCANE_STD_JSONMESSAGEPASSINGPROFILINGSERVICE_H
#define ARCANE_STD_JSONMESSAGEPASSINGPROFILINGSERVICE_H
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#include "arcane/utils/IMessagePassingProfilingService.h"
#include "arcane/utils/String.h"
 
#include "arcane/core/AbstractService.h"
#include "arcane/core/ISubDomain.h"
#include "arcane/core/ObserverPool.h"
 
#include "arccore/message_passing/Stat.h"
 
#include <map>
 
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namespace Arcane
{
 
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class JsonMessagePassingProfilingService
: public AbstractService
, public IMessagePassingProfilingService
{
 public:
 
  JsonMessagePassingProfilingService(const ServiceBuildInfo& sbi);
  virtual ~JsonMessagePassingProfilingService();
 
 public:
 
  void startProfiling() override;
  void stopProfiling() override;
  void printInfos(std::ostream& output) override;
  String implName() override;
 
 private:

  typedef std::map<String, Arccore::MessagePassing::StatData> StatDataMap;
 
 private:
 
  ISubDomain* m_sub_domain;
  ObserverPool m_observer;
  JSONWriter* m_json_writer;
  // { entry point name, {message passing infos} }
  StatDataMap m_ep_mpstat_col;
  String m_impl_name;
 
 private:
 
  void _dumpCurrentIterationInJSON();
 
  void _updateFromBeginEntryPointEvt();
  void _updateFromEndEntryPointEvt();
  void _updateFromBeginIterationEvt();
  void _updateFromEndIterationEvt();
};
 
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} // namespace Arcane
 
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#endif