verilator/src/V3Stats.h
Wilson Snyder b5b1d94d4a Copyright date update
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2007-01-02 22:06:40 +00:00

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// $Id$ //-*- C++ -*-
//*************************************************************************
// DESCRIPTION: Verilator: Collect and print statistics
//
// Code available from: http://www.veripool.com/verilator
//
// AUTHORS: Wilson Snyder with Paul Wasson, Duane Gabli
//
//*************************************************************************
//
// Copyright 2005-2007 by Wilson Snyder. This program is free software; you can
// redistribute it and/or modify it under the terms of either the GNU
// General Public License or the Perl Artistic License.
//
// Verilator 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 for more details.
//
//*************************************************************************
#ifndef _V3STATS_H_
#define _V3STATS_H_ 1
#include "config_build.h"
#include "verilatedos.h"
#include "V3Error.h"
#include "V3Ast.h"
//============================================================================
class V3Double0 {
// Double counter, initializes to zero for easy use
double m_d; ///< Count of occurrences/ value
public:
// METHODS
V3Double0() : m_d(0) {};
~V3Double0() {}
// Implicit conversion operators:
inline V3Double0 (const vluint64_t v) : m_d(v) { };
inline operator const double () const { return m_d; };
// Explicit operators:
inline V3Double0& operator++() { ++m_d; return *this; }; // prefix
inline V3Double0 operator++(int) { V3Double0 old=*this; m_d++; return old; }; // postfix
inline V3Double0& operator= (const double v) { m_d = v; return *this; };
inline V3Double0& operator+=(const double v) { m_d += v; return *this; };
inline V3Double0& operator-=(const double v) { m_d -= v; return *this; };
};
//============================================================================
class V3Statistic {
// A statistical entry we want published into the database
string m_name; ///< Nameiption of this statistic
double m_count; ///< Count of occurrences/ value
string m_stage; ///< Runtime stage
bool m_sumit; ///< Do summation of similar stats
bool m_printit; ///< Print the results
public:
// METHODS
string stage() const { return m_stage; }
string name() const { return m_name; }
double count() const { return m_count; }
bool sumit() const { return m_sumit; }
bool printit() const { return m_printit; }
virtual void dump(ofstream& os) const;
void combineWith(V3Statistic* otherp) {
m_count += otherp->count();
otherp->m_printit = false;
}
// CONSTRUCTORS
V3Statistic(const string& stage, const string& name, double count, bool sumit=false)
: m_name(name), m_count(count), m_stage(stage), m_sumit(sumit)
, m_printit(true) {}
virtual ~V3Statistic() {}
};
//============================================================================
class V3Stats {
public:
static void addStat(const V3Statistic&);
static void addStat(const string& stage, const string& name, double count) {
addStat(V3Statistic(stage,name,count)); }
static void addStat(const string& name, double count) {
addStat(V3Statistic("*",name,count)); }
static void addStatSum(const string& name, double count) {
addStat(V3Statistic("*",name,count,true)); }
/// Called by the top level to collect statistics
static void statsStageAll(AstNetlist* nodep, const string& stage, bool fast=false);
static void statsFinalAll(AstNetlist* nodep);
/// Called by the top level to dump the statistics
static void statsReport();
};
#endif // Guard