statdb.cc

linux下基于c++的处理器仿真平台。具有处理器流水线

/*
 * Copyright (c) 2004, 2005
 * The Regents of The University of Michigan
 * All Rights Reserved
 *
 * This code is part of the M5 simulator, developed by Nathan Binkert,
 * Erik Hallnor, Steve Raasch, and Steve Reinhardt, with contributions
 * from Ron Dreslinski, Dave Greene, Lisa Hsu, Kevin Lim, Ali Saidi,
 * and Andrew Schultz.
 *
 * Permission is granted to use, copy, create derivative works and
 * redistribute this software and such derivative works for any
 * purpose, so long as the copyright notice above, this grant of
 * permission, and the disclaimer below appear in all copies made; and
 * so long as the name of The University of Michigan is not used in
 * any advertising or publicity pertaining to the use or distribution
 * of this software without specific, written prior authorization.
 *
 * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE
 * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND
 * WITHOUT WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE. THE REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE
 * LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, SPECIAL, INDIRECT,
 * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM
 * ARISING OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
 * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGES.
 */

#include "base/misc.hh"
#include "base/trace.hh"
#include "base/statistics.hh"
#include "base/stats/bin.hh"
#include "base/stats/statdb.hh"

using namespace std;

namespace Stats {
namespace Database {

StatData *
find(void *stat)
{
    stat_map_t::const_iterator i = map().find(stat);

    if (i == map().end())
	return NULL;

    return (*i).second;
}

void
regBin(MainBin *bin, const std::string &_name)
{
    bin_list_t::iterator i, end = bins().end();
    for (i = bins().begin(); i != end; ++i)
	if ((*i)->name() == _name)
	    panic("re-registering bin %s", _name);
    bins().push_back(bin);
    DPRINTF(Stats, "registering %s\n", _name);
}

void
regStat(void *stat, StatData *data)
{
    if (map().find(stat) != map().end())
	panic("shouldn't register stat twice!");

    stats().push_back(data);

#ifndef NDEBUG
    pair<stat_map_t::iterator, bool> result =
#endif
	map().insert(make_pair(stat, data));
    assert(result.second && "this should never fail");
    assert(map().find(stat) != map().end());
}

void
regPrint(void *stat)
{
    StatData *data = find(stat);
    assert(data);
    data->flags |= print;
}

TheDatabase &db()
{
    static TheDatabase db;
    return db;
}

/* namespace Database */ }
/* namespace Stats */ }