Struct ProfStats 

pub struct ProfStats {
    pub enabled: bool,
    pub accum: bool,
    pub sample_rate: usize,
    pub live_samples: usize,
    pub live_bytes: usize,
    pub accum_samples: usize,
    pub accum_bytes: usize,
    pub unique_stacks: usize,
    pub arena_committed: usize,
    pub stack_table_overflows: usize,
    pub dropped_samples: usize,
    pub heap: HeapStats,
}

Snapshot of mi_prof_stats_get’s counters, translated from the raw sys struct into plain Rust types.

Fields

enabled: bool

accum: bool

sample_rate: usize

live_samples: usize

live_bytes: usize

accum_samples: usize

accum_bytes: usize

unique_stacks: usize

arena_committed: usize

stack_table_overflows: usize

dropped_samples: usize

Count of ALL dropped samples (record-alloc failure, stack-intern failure, including the stack-table cap); a superset of stack_table_overflows, so dropped_samples >= stack_table_overflows always.

heap: HeapStats

Allocator-level (“ground truth”) counters, read from the mimalloc v3 engine’s per-heap statistics at the time of the call. Every field above is sampled; these are exact, so comparing them against live_bytes measures the sampler’s error directly – which is what makes an assertion on a sampled profile meaningful in a test.

Trait Implementations

impl Clone for ProfStats

fn clone(&self) -> ProfStats

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ProfStats

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

Formats the value using the given formatter.

impl Default for ProfStats

fn default() -> ProfStats

Returns the “default value” for a type.