Struct Stats 

pub struct Stats {

    pub allocs: u64,
    pub frees: u64,
    pub generic: u64,
    pub pages_fresh: u64,
    pub segments: u64,
    pub huge_allocs: u64,
    pub extends: u64,
    pub large_allocs: u64,
    pub pages_retired: u64,
    pub segments_freed: u64,
    pub realloc_in_place: u64,
    pub realloc_moved: u64,
    pub delayed_frees: u64,
    pub reclaims: u64,
    pub guarded: u64,
    pub purges: u64,
}

Always-on counters (plan §7.5 instrument #2): the primary evidence for sub-1% bricks and the work-parity check for every A/B.

Fields

allocs: u64

Successful allocations.

frees: u64

Frees.

generic: u64

Entries into the generic (slow) path.

pages_fresh: u64

Pages freshly carved.

segments: u64

Normal segments reserved from the OS.

huge_allocs: u64

Huge (dedicated-segment) allocations.

extends: u64

Free-list extensions performed.

large_allocs: u64

Large (in-segment span) allocations.

pages_retired: u64

Pages retired (span returned to the segment).

segments_freed: u64

Empty segments returned to the OS.

realloc_in_place: u64

Reallocs resolved in place (no move).

realloc_moved: u64

Reallocs that moved the block.

delayed_frees: u64

Blocks processed off the delayed (cross-thread) list.

reclaims: u64

Abandoned segments adopted from dead threads.

guarded: u64

Guarded objects handed out (secure/guarded builds).

purges: u64

Page-sized ranges purged (decommitted/reset) back to the OS.

Implementations

impl Stats

pub const fn new() -> Stats

Const-init zero stats.

Trait Implementations

impl Clone for Stats

fn clone(&self) -> Stats

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Stats

impl Default for Stats

fn default() -> Stats

Returns the “default value” for a type.