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//===-- Statistics.h --------------------------------------------*- C++ -*-===//
//
// The KLEE Symbolic Virtual Machine
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef KLEE_STATISTICS_H
#define KLEE_STATISTICS_H
#include "Statistic.h"
#include <vector>
#include <string>
#include <string.h>
namespace klee {
class Statistic;
class StatisticRecord {
friend class StatisticManager;
private:
uint64_t *data;
public:
StatisticRecord();
StatisticRecord(const StatisticRecord &s);
~StatisticRecord() { delete[] data; }
void zero();
uint64_t getValue(const Statistic &s) const;
void incrementValue(const Statistic &s, uint64_t addend) const;
StatisticRecord &operator =(const StatisticRecord &s);
StatisticRecord &operator +=(const StatisticRecord &sr);
};
class StatisticManager {
private:
bool enabled;
std::vector<Statistic*> stats;
uint64_t *globalStats;
uint64_t *indexedStats;
StatisticRecord *contextStats;
unsigned index;
public:
StatisticManager();
~StatisticManager();
void useIndexedStats(unsigned totalIndices);
StatisticRecord *getContext();
void setContext(StatisticRecord *sr); /* null to reset */
void setIndex(unsigned i) { index = i; }
unsigned getIndex() { return index; }
unsigned getNumStatistics() { return stats.size(); }
Statistic &getStatistic(unsigned i) { return *stats[i]; }
void registerStatistic(Statistic &s);
void incrementStatistic(Statistic &s, uint64_t addend);
uint64_t getValue(const Statistic &s) const;
void incrementIndexedValue(const Statistic &s, unsigned index,
uint64_t addend) const;
uint64_t getIndexedValue(const Statistic &s, unsigned index) const;
void setIndexedValue(const Statistic &s, unsigned index, uint64_t value);
int getStatisticID(const std::string &name) const;
Statistic *getStatisticByName(const std::string &name) const;
};
extern StatisticManager *theStatisticManager;
inline void StatisticManager::incrementStatistic(Statistic &s,
uint64_t addend) {
if (enabled) {
globalStats[s.id] += addend;
if (indexedStats) {
indexedStats[index*stats.size() + s.id] += addend;
if (contextStats)
contextStats->data[s.id] += addend;
}
}
}
inline StatisticRecord *StatisticManager::getContext() {
return contextStats;
}
inline void StatisticManager::setContext(StatisticRecord *sr) {
contextStats = sr;
}
inline void StatisticRecord::zero() {
::memset(data, 0, sizeof(*data)*theStatisticManager->getNumStatistics());
}
inline StatisticRecord::StatisticRecord()
: data(new uint64_t[theStatisticManager->getNumStatistics()]) {
zero();
}
inline StatisticRecord::StatisticRecord(const StatisticRecord &s)
: data(new uint64_t[theStatisticManager->getNumStatistics()]) {
::memcpy(data, s.data,
sizeof(*data)*theStatisticManager->getNumStatistics());
}
inline StatisticRecord &StatisticRecord::operator=(const StatisticRecord &s) {
::memcpy(data, s.data,
sizeof(*data)*theStatisticManager->getNumStatistics());
return *this;
}
inline void StatisticRecord::incrementValue(const Statistic &s,
uint64_t addend) const {
data[s.id] += addend;
}
inline uint64_t StatisticRecord::getValue(const Statistic &s) const {
return data[s.id];
}
inline StatisticRecord &
StatisticRecord::operator +=(const StatisticRecord &sr) {
unsigned nStats = theStatisticManager->getNumStatistics();
for (unsigned i=0; i<nStats; i++)
data[i] += sr.data[i];
return *this;
}
inline uint64_t StatisticManager::getValue(const Statistic &s) const {
return globalStats[s.id];
}
inline void StatisticManager::incrementIndexedValue(const Statistic &s,
unsigned index,
uint64_t addend) const {
indexedStats[index*stats.size() + s.id] += addend;
}
inline uint64_t StatisticManager::getIndexedValue(const Statistic &s,
unsigned index) const {
return indexedStats[index*stats.size() + s.id];
}
inline void StatisticManager::setIndexedValue(const Statistic &s,
unsigned index,
uint64_t value) {
indexedStats[index*stats.size() + s.id] = value;
}
}
#endif /* KLEE_STATISTICS_H */
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