/*

 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

 * Copyright (c) 2018, SAP SE.

 *

 * 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 HOTSPOT_SHARE_SERVICES_STATHIST_HPP

#define HOTSPOT_SHARE_SERVICES_STATHIST_HPP

#include "utilities/globalDefinitions.hpp"

class outputStream;

namespace StatisticsHistory {

  bool initialize();

  void cleanup();

  struct print_info_t {

    bool raw;

    bool cvs;

    // Omit printing a legend.

    bool no_legend;

    // Normally, when we print a report, we sample the current values too and print it atop of the table.

    // We may want to avoid that, e.g. during error handling.

    bool avoid_sampling;

    size_t scale;

  };

  // If no print info is given (print_info == NULL), we print with default settings

  void print_report(outputStream* st, const print_info_t* print_info = NULL);

  // These are counters for the statistics history. Ideally, they would live

  // inside their thematical homes, e.g. thread.cpp or classLoaderDataGraph.cpp,

  // however since this is unlikely ever to be brought upstream we keep this separate

  // to easy maintenance.

  namespace counters {

    void inc_classes_loaded(size_t count);

    void inc_classes_unloaded(size_t count);

    void inc_threads_created(size_t count);

  };

};

#endif /* HOTSPOT_SHARE_SERVICES_STATHIST_HPP */