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Adding gem5 source to svn.

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git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1819 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
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friemel
2012-10-24 19:18:57 +00:00
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simulators/gem5/src/base/stats/info.hh Normal file
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/*
* Copyright (c) 2003-2005 The Regents of The University of Michigan
* All rights reserved.
*
* 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
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Nathan Binkert
*/
#ifndef __BASE_STATS_INFO_HH__
#define __BASE_STATS_INFO_HH__
#include "base/stats/types.hh"
#include "base/flags.hh"
namespace Stats {
typedef uint16_t FlagsType;
typedef ::Flags<FlagsType> Flags;
/** Nothing extra to print. */
const FlagsType none = 0x0000;
/** This Stat is Initialized */
const FlagsType init = 0x0001;
/** Print this stat. */
const FlagsType display = 0x0002;
/** Print the total. */
const FlagsType total = 0x0010;
/** Print the percent of the total that this entry represents. */
const FlagsType pdf = 0x0020;
/** Print the cumulative percentage of total upto this entry. */
const FlagsType cdf = 0x0040;
/** Print the distribution. */
const FlagsType dist = 0x0080;
/** Don't print if this is zero. */
const FlagsType nozero = 0x0100;
/** Don't print if this is NAN */
const FlagsType nonan = 0x0200;
/** Mask of flags that can't be set directly */
const FlagsType __reserved = init | display;
struct StorageParams;
struct Output;
class Info
{
public:
/** The name of the stat. */
std::string name;
/** The separator string used for vectors, dist, etc. */
static std::string separatorString;
/** The description of the stat. */
std::string desc;
/** The formatting flags. */
Flags flags;
/** The display precision. */
int precision;
/** A pointer to a prerequisite Stat. */
const Info *prereq;
/**
* A unique stat ID for each stat in the simulator.
* Can be used externally for lookups as well as for debugging.
*/
static int id_count;
int id;
public:
const StorageParams *storageParams;
public:
Info();
virtual ~Info();
/** Set the name of this statistic */
void setName(const std::string &name);
void setSeparator(std::string _sep) { separatorString = _sep;}
/**
* Check that this stat has been set up properly and is ready for
* use
* @return true for success
*/
virtual bool check() const = 0;
bool baseCheck() const;
/**
* Enable the stat for use
*/
virtual void enable();
/**
* Prepare the stat for dumping.
*/
virtual void prepare() = 0;
/**
* Reset the stat to the default state.
*/
virtual void reset() = 0;
/**
* @return true if this stat has a value and satisfies its
* requirement as a prereq
*/
virtual bool zero() const = 0;
/**
* Visitor entry for outputing statistics data
*/
virtual void visit(Output &visitor) = 0;
/**
* Checks if the first stat's name is alphabetically less than the second.
* This function breaks names up at periods and considers each subname
* separately.
* @param stat1 The first stat.
* @param stat2 The second stat.
* @return stat1's name is alphabetically before stat2's
*/
static bool less(Info *stat1, Info *stat2);
};
class ScalarInfo : public Info
{
public:
virtual Counter value() const = 0;
virtual Result result() const = 0;
virtual Result total() const = 0;
};
class VectorInfo : public Info
{
public:
/** Names and descriptions of subfields. */
std::vector<std::string> subnames;
std::vector<std::string> subdescs;
public:
void enable();
public:
virtual size_type size() const = 0;
virtual const VCounter &value() const = 0;
virtual const VResult &result() const = 0;
virtual Result total() const = 0;
};
enum DistType { Deviation, Dist, Hist };
struct DistData
{
DistType type;
Counter min;
Counter max;
Counter bucket_size;
Counter min_val;
Counter max_val;
Counter underflow;
Counter overflow;
VCounter cvec;
Counter sum;
Counter squares;
Counter logs;
Counter samples;
};
class DistInfo : public Info
{
public:
/** Local storage for the entry values, used for printing. */
DistData data;
};
class VectorDistInfo : public Info
{
public:
std::vector<DistData> data;
/** Names and descriptions of subfields. */
std::vector<std::string> subnames;
std::vector<std::string> subdescs;
void enable();
protected:
/** Local storage for the entry values, used for printing. */
mutable VResult rvec;
public:
virtual size_type size() const = 0;
};
class Vector2dInfo : public Info
{
public:
/** Names and descriptions of subfields. */
std::vector<std::string> subnames;
std::vector<std::string> subdescs;
std::vector<std::string> y_subnames;
size_type x;
size_type y;
/** Local storage for the entry values, used for printing. */
mutable VCounter cvec;
void enable();
};
class FormulaInfo : public VectorInfo
{
public:
virtual std::string str() const = 0;
};
/** Data structure of sparse histogram */
struct SparseHistData
{
MCounter cmap;
Counter samples;
};
class SparseHistInfo : public Info
{
public:
/** Local storage for the entry values, used for printing. */
SparseHistData data;
};
} // namespace Stats
#endif // __BASE_STATS_INFO_HH__