Crate latency 

low overhead timing infrastructure for perf measurement

provides rdtsc-based timing on x86_64 and histogram tracking

Re-exports

pub use histogram::Histogram;

pub use histogram::Percentiles;

pub use rdtsc::cycles_to_nanos;

pub use rdtsc::rdtsc;

pub use rdtsc::rdtsc_end;

pub use rdtsc::rdtsc_start;

pub use rdtsc::rdtscp;

pub use timer::ScopedTimer;

pub use timer::Timer;

pub use timer::TimerGuard;

Modules

histogram

high-performance histogram for latency tracking

rdtsc

rdtsc (read time-stamp counter) wrapper for x86_64

timer

timer utilities for measuring code execution time

Macros

time_block

macro for timing a block of code

time_if_enabled

macro for conditionally timing based on feature flag

Structs

LatencyStats

latency statistics

TimePoint

timing measurement point

Functions

cpu_frequency

gets the calibrated cpu frequency in cycles per second

cycles_multiplier

gets the precomputed Q32 cycles multiplier

init

initializes the timing subsystem

nanos_multiplier

gets the precomputed Q32 nanos multiplier