Struct NumaDistance 

pub struct NumaDistance { /* private fields */ }

Re-exports of topology types for use in KtstrTestEntry statics generated by the #[ktstr_test] macro. NxN inter-NUMA-node distance matrix.

Stored as a flat row-major array. ACPI SLIT requires diagonal = 10 and off-diagonal > 10. ktstr additionally enforces symmetry.

Construct via NumaDistance::new which validates all invariants at const-eval time.

Implementations

impl NumaDistance

pub const fn new(n: u32, entries: &'static [u8]) -> Self

Const constructor with full validation.

Panics

Panics if:

• n == 0
• entries.len() != n * n
• any diagonal entry is not 10
• any off-diagonal entry is not > 10
• the matrix is not symmetric

pub fn validate(&self) -> Result<(), String>

Non-panicking validation.

pub const fn dimension(&self) -> u32

Matrix dimension (number of NUMA nodes).

pub const fn distance(&self, i: u32, j: u32) -> u8

Distance from node i to node j.

pub const fn entries(&self) -> &[u8]

Raw row-major entries.

Trait Implementations

impl Clone for NumaDistance

fn clone(&self) -> NumaDistance

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NumaDistance

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

Formats the value using the given formatter.

impl Hash for NumaDistance

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for NumaDistance

fn eq(&self, other: &NumaDistance) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for NumaDistance

impl Eq for NumaDistance

impl StructuralPartialEq for NumaDistance