gem5/util/systemc/gem5_within_systemc/stats.cc

/*
 * Copyright (c) 2014 ARM Limited
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 *
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 * 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
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 * terms below provided that you ensure that this notice is replicated
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 * modified or unmodified, in source code or in binary form.
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 * 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
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 * this software without specific prior written permission.
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/**
 * @file
 *
 *  C++-only configuration stats handling example
 *
 *  Register with: statistics::registerHandlers(statsReset, statsDump)
 */

#include <iostream>
#include <list>

#include "base/logging.hh"
#include "base/output.hh"
#include "base/statistics.hh"
#include "base/stats/text.hh"
#include "stats.hh"

namespace CxxConfig
{

void statsPrepare()
{
    std::list<statistics::Info *> stats = statistics::statsList();

    /* gather_stats -> prepare */
    for (auto i = stats.begin(); i != stats.end(); ++i){
        statistics::Info *stat = *i;
        statistics::VectorInfo *vector =
            dynamic_cast<statistics::VectorInfo *>(stat);
        if (vector){
            (dynamic_cast<statistics::VectorInfo *>(*i))->prepare();
        }
        else {
            (*i)->prepare();
        }

    }
}

void statsDump()
{
    bool desc = true;
    statistics::Output *output = statistics::initText(filename, desc, true);

    statistics::processDumpQueue();

    std::list<statistics::Info *> stats = statistics::statsList();

    statsEnable();
    statsPrepare();

    output->begin();
    /* gather_stats -> convert_value */
    for (auto i = stats.begin(); i != stats.end(); ++i) {
        statistics::Info *stat = *i;

        const statistics::ScalarInfo *scalar =
            dynamic_cast<statistics::ScalarInfo *>(stat);
        statistics::VectorInfo *vector =
            dynamic_cast<statistics::VectorInfo *>(stat);
        const statistics::Vector2dInfo *vector2d =
            dynamic_cast<statistics::Vector2dInfo *>(vector);
        const statistics::DistInfo *dist =
            dynamic_cast<statistics::DistInfo *>(stat);
        const statistics::VectorDistInfo *vectordist =
            dynamic_cast<statistics::VectorDistInfo *>(stat);
        const statistics::SparseHistInfo *sparse =
            dynamic_cast<statistics::SparseHistInfo *>(stat);
        const statistics::InfoProxy <statistics::Vector2d,
            statistics::Vector2dInfo> *info =
            dynamic_cast<statistics::InfoProxy
            <statistics::Vector2d,statistics::Vector2dInfo>*>(stat);

        if (vector) {
            const statistics::FormulaInfo *formula =
                dynamic_cast<statistics::FormulaInfo *>(vector);
            if (formula){
                output->visit(*formula);
            } else {
                const statistics::VectorInfo *vector1 = vector;
                output->visit(*vector1);
            }
        } else if (vector2d) {
            output->visit(*vector2d);
        } else if (info){
            output->visit(*info);
        } else if (vectordist){
            output->visit(*vectordist);
        } else if (dist) {
            output->visit(*dist);
        } else if (sparse) {
            output->visit(*sparse);
        } else if (scalar) {
            output->visit(*scalar);
        } else {
            warn("Stat not dumped: %s\n", stat->name);
        }
    }
    output->end();
}

void statsReset()
{
    std::cerr << "Stats reset\n";

    statistics::processResetQueue();
}

void statsEnable()
{
    std::list<statistics::Info *> stats = statistics::statsList();

    for (auto i = stats.begin(); i != stats.end(); ++i){
        statistics::Info *stat = *i;
        statistics::VectorInfo *vector =
            dynamic_cast<statistics::VectorInfo *>(stat);
        if (vector){
            (dynamic_cast<statistics::VectorInfo *>(*i))->enable();
        }
        else {
            (*i)->enable();
        }

    }
}

}