PFS_cacheline_atomic_uint64 Struct Reference

An atomic uint64 variable, guaranteed to be alone in a CPU cache line. More...

#include <pfs_global.h>

Public Member Functions
	PFS_cacheline_atomic_uint64 ()

Public Attributes
std::atomic< uint64 >	m_u64
char	m_full_cache_line [PFS_CACHE_LINE_SIZE - sizeof(std::atomic< uint64 >)]

Detailed Description

An atomic uint64 variable, guaranteed to be alone in a CPU cache line.

This is for performance, for variables accessed very frequently.

Constructor & Destructor Documentation

PFS_cacheline_atomic_uint64()

PFS_cacheline_atomic_uint64::PFS_cacheline_atomic_uint64 ( )

inline

Member Data Documentation

m_full_cache_line

char PFS_cacheline_atomic_uint64::m_full_cache_line[PFS_CACHE_LINE_SIZE - sizeof(std::atomic< uint64 >)]

m_u64

std::atomic<uint64> PFS_cacheline_atomic_uint64::m_u64

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The documentation for this struct was generated from the following file:

• storage/perfschema/pfs_global.h