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Datei: zServiceability.hpp Sprache: C

/*
* Copyright (c) 2017, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

#ifndef SHARE_GC_Z_ZSERVICEABILITY_HPP
#define SHARE_GC_Z_ZSERVICEABILITY_HPP

#include "gc/shared/collectorCounters.hpp"
#include "gc/shared/gcVMOperations.hpp"
#include "memory/allocation.hpp"
#include "services/memoryManager.hpp"
#include "services/memoryPool.hpp"
#include "services/memoryService.hpp"

class ZServiceabilityCounters;

class ZServiceabilityMemoryPool : public CollectedMemoryPool {
public:
  ZServiceabilityMemoryPool(size_t min_capacity, size_t max_capacity);

  virtual size_t used_in_bytes();
  virtual MemoryUsage get_memory_usage();
};

class ZServiceabilityMemoryManager : public GCMemoryManager {
public:
  ZServiceabilityMemoryManager(const char* name,
                               const char* end_message,
                               ZServiceabilityMemoryPool* pool);
};

class ZServiceability {
private:
  const size_t                 _min_capacity;
  const size_t                 _max_capacity;
  ZServiceabilityMemoryPool    _memory_pool;
  ZServiceabilityMemoryManager _cycle_memory_manager;
  ZServiceabilityMemoryManager _pause_memory_manager;
  ZServiceabilityCounters*     _counters;

public:
  ZServiceability(size_t min_capacity, size_t max_capacity);

  void initialize();

  MemoryPool* memory_pool();
  GCMemoryManager* cycle_memory_manager();
  GCMemoryManager* pause_memory_manager();
  ZServiceabilityCounters* counters();
};

class ZServiceabilityCycleTracer : public StackObj {
private:
  TraceMemoryManagerStats _memory_manager_stats;

public:
  ZServiceabilityCycleTracer();
};

class ZServiceabilityPauseTracer : public StackObj {
private:
  SvcGCMarker             _svc_gc_marker;
  TraceCollectorStats     _counters_stats;
  TraceMemoryManagerStats _memory_manager_stats;

public:
  ZServiceabilityPauseTracer();
  ~ZServiceabilityPauseTracer();
};

#endif // SHARE_GC_Z_ZSERVICEABILITY_HPP

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