Converts tsc ticks to nanoseconds since epoch. More...

#include <RdtscClock.h>

Classes
struct	BaseTimeTsc

class	RdtscTicks
	A static class that calculates the rdtsc ticks per second. More...

Public Member Functions
	RdtscClock (std::chrono::nanoseconds resync_interval)

uint64_t	time_since_epoch (uint64_t rdtsc_value) const noexcept

uint64_t	time_since_epoch_safe (uint64_t rdtsc_value) const noexcept

bool	resync (uint32_t lag) const noexcept

double	nanoseconds_per_tick () const noexcept

Static Protected Member Functions
static QUILL_NODISCARD uint64_t	_fast_average (uint64_t x, uint64_t y) noexcept

Protected Attributes
int64_t	_resync_interval_ticks {0}

int64_t	_resync_interval_original {0}
	stores the initial interval value as as if we fail to resync we increase the timer

double	_ns_per_tick {0}

std::atomic< uint32_t >	_version {0}

std::array< BaseTimeTsc, 2 >	_base {}

Static Protected Attributes
static constexpr uint32_t	resync_lag_cycles {50'000}

Detailed Description

Converts tsc ticks to nanoseconds since epoch.

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

Classes