Struct CacheMetrics 

pub struct CacheMetrics { /* private fields */ }

Thread-safe cache performance metrics.

Implementations

impl CacheMetrics

pub fn new() -> Self

Create zeroed metrics.

pub fn record_hit(&self)

Record a cache hit.

pub fn record_miss(&self)

Record a cache miss.

pub fn record_eviction(&self)

Record an eviction.

pub fn set_size(&self, size: usize)

Set the current cache size.

pub fn hit_count(&self) -> u64

Get the hit count.

pub fn miss_count(&self) -> u64

Get the miss count.

pub fn eviction_count(&self) -> u64

Get the eviction count.

pub fn current_size(&self) -> usize

Get the current size.

pub fn hit_rate(&self) -> f64

Compute the hit rate as a fraction in [0.0, 1.0].

Returns 0.0 if no requests have been made.

pub fn snapshot(&self) -> CacheMetricsSnapshot

Take a serializable snapshot of current metrics.

Trait Implementations

impl Default for CacheMetrics

fn default() -> Self

Returns the “default value” for a type.