fastmm::ClockReadings Struct Reference

Clock readings used by TscCalibrator. More...

#include <fastmm/core/time.hpp>

Public Attributes
std::uint64_t(*	tsc )() noexcept = nullptr
std::int64_t(*	realtime_ns )() noexcept = nullptr
std::int64_t(*	monotonic_raw_ns )() noexcept = nullptr
bool	check_invariant_tsc = true
	false for injected clocks
TscKind	assumed_kind = TscKind::Invariant
	injected clocks (check_invariant_tsc false)

Detailed Description

Clock readings used by TscCalibrator.

Plain function pointers so tests can inject a deterministic clock; system_clock_readings() reads rdtsc, CLOCK_REALTIME and CLOCK_MONOTONIC_RAW.

Member Data Documentation

tsc

std::uint64_t(* fastmm::ClockReadings::tsc) () noexcept = nullptr

noexcept

realtime_ns

std::int64_t(* fastmm::ClockReadings::realtime_ns) () noexcept = nullptr

noexcept

monotonic_raw_ns

std::int64_t(* fastmm::ClockReadings::monotonic_raw_ns) () noexcept = nullptr

noexcept

check_invariant_tsc

bool fastmm::ClockReadings::check_invariant_tsc = true

false for injected clocks

assumed_kind

TscKind fastmm::ClockReadings::assumed_kind = TscKind::Invariant

injected clocks (check_invariant_tsc false)