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/*++
Module Name:
Histogram.h
Abstract:
Header for cheezy histogram class
Authors:
Bill Bolosky, September, 2011
Environment:
User mode service.
This class is NOT thread safe. It's the caller's responsibility to ensure that
at most one thread uses an instance at any time.
Revision History:
--*/
#pragma once
class Histogram {
public:
Histogram(unsigned i_nBuckets, bool i_isExponential);
~Histogram();
unsigned getNBuckets() const {return nBuckets;}
bool getIsExponential() const {return isExponential;}
unsigned getBucketCount(unsigned whichBucket) const;
unsigned getBucketMax(unsigned whichBucket) const;
unsigned getBucketMin(unsigned whichBucket) const;
void print() const;
void addToCount(unsigned value, unsigned amountToAdd = 1);
private:
unsigned nBuckets;
bool isExponential;
struct Bucket {
unsigned maxValue;
unsigned count;
};
Bucket *buckets;
};
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