Struct GcStats 

pub struct GcStats {
    pub total_allocations: AtomicUsize,
    pub total_allocated_bytes: AtomicU64,
    pub minor_collections: AtomicUsize,
    pub major_collections: AtomicUsize,
    pub minor_collection_time: AtomicU64,
    pub major_collection_time: AtomicU64,
    pub minor_objects_collected: AtomicUsize,
    pub major_objects_collected: AtomicUsize,
    pub objects_promoted: AtomicUsize,
    pub peak_memory_usage: AtomicUsize,
    pub current_memory_usage: AtomicUsize,
    /* private fields */
}

Comprehensive GC statistics

Fields

total_allocations: AtomicUsize

Total number of allocations

total_allocated_bytes: AtomicU64

Total bytes allocated

minor_collections: AtomicUsize

Number of minor collections performed

major_collections: AtomicUsize

Number of major collections performed

minor_collection_time: AtomicU64

Total time spent in minor collections

major_collection_time: AtomicU64

Total time spent in major collections

minor_objects_collected: AtomicUsize

Objects collected in minor collections

major_objects_collected: AtomicUsize

Objects collected in major collections

objects_promoted: AtomicUsize

Objects promoted between generations

peak_memory_usage: AtomicUsize

Peak memory usage

current_memory_usage: AtomicUsize

Current memory usage

Implementations

impl GcStats

pub fn new() -> Self

pub fn record_allocation(&self, size: usize)

Record an allocation

pub fn record_minor_collection( &self, objects_collected: usize, duration: Duration, )

Record a minor collection

pub fn record_major_collection( &self, objects_collected: usize, duration: Duration, )

Record a major collection

pub fn record_promotion(&self, count: usize)

Record object promotion

pub fn record_deallocation(&self, size: usize)

Record memory deallocation

pub fn allocation_rate(&self) -> f64

Get current allocation rate (allocations per second)

pub fn average_minor_collection_time(&self) -> Duration

Get average minor collection time

pub fn average_major_collection_time(&self) -> Duration

Get average major collection time

pub fn gc_overhead_percentage(&self) -> f64

Get GC overhead as percentage of total runtime

pub fn memory_utilization(&self) -> f64

Get memory utilization percentage

pub fn collection_frequency(&self) -> (f64, f64)

Get collection frequency (collections per minute)

pub fn recent_collections(&self, limit: usize) -> Vec<CollectionEvent>

Get recent collection history

pub fn reset(&self)

Reset all statistics

pub fn summary_report(&self) -> String

Generate a summary report

Trait Implementations

impl Clone for GcStats

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for GcStats

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for GcStats

fn default() -> Self

Returns the “default value” for a type.