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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <cstdint>
#include <sys/types.h>
namespace vespalib {
struct CacheStats {
size_t hits;
size_t misses;
size_t elements;
size_t memory_used;
size_t invalidations;
CacheStats()
: hits(0),
misses(0),
elements(0),
memory_used(0),
invalidations(0)
{ }
CacheStats(size_t hits_, size_t misses_, size_t elements_, size_t memory_used_, size_t invalidations_)
: hits(hits_),
misses(misses_),
elements(elements_),
memory_used(memory_used_),
invalidations(invalidations_)
{ }
CacheStats &
operator+=(const CacheStats &rhs)
{
hits += rhs.hits;
misses += rhs.misses;
elements += rhs.elements;
memory_used += rhs.memory_used;
invalidations += rhs.invalidations;
return *this;
}
void add_extra_misses(size_t extra_misses) { misses += extra_misses; }
size_t lookups() const { return hits + misses; }
};
}
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