group.hh

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/*
 * Copyright (c) 2019 Arm Limited
 * All rights reserved
 *
 * The license below extends only to copyright in the software and shall
 * not be construed as granting a license to any other intellectual
 * property including but not limited to intellectual property relating
 * to a hardware implementation of the functionality of the software
 * licensed hereunder.  You may use the software subject to the license
 * terms below provided that you ensure that this notice is replicated
 * unmodified and in its entirety in all distributions of the software,
 * modified or unmodified, in source code or in binary form.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer;
 * redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 *
 * Authors: Andreas Sandberg
 */

#ifndef __BASE_STATS_GROUP_HH__
#define __BASE_STATS_GROUP_HH__

#include <map>
#include <vector>
#include <string>

#define ADD_STAT(n, ...) n(this, # n, __VA_ARGS__)

namespace Stats {

class Info;

class Group
{
  public:
    Group() = delete;
    Group(const Group &) = delete;
    Group &operator=(const Group &) = delete;

    Group(Group *parent, const char *name = nullptr);

    virtual ~Group();

    virtual void regStats();

    virtual void resetStats();

    virtual void preDumpStats();

    void addStat(Stats::Info *info);

    const std::map<std::string, Group *> &getStatGroups() const;

    const std::vector<Info *> &getStats() const;

    void addStatGroup(const char *name, Group *block);

  private:
    void mergeStatGroup(Group *block);

  private:
    Group *const mergedParent;

    std::map<std::string, Group *> statGroups;
    std::vector<Group *> mergedStatGroups;
    std::vector<Info *> stats;
};

} // namespace Stats

#endif // __BASE_STATS_GROUP_HH__