Struct Span 

pub struct Span {
    pub name: String,
    pub start: Instant,
    pub end: Option<Instant>,
    pub parent_id: Option<u64>,
    pub id: u64,
    pub tags: HashMap<String, String>,
    pub children: Vec<u64>,
}

Performance span for tracking operations

Fields

name: String

Span name

start: Instant

Start time

end: Option<Instant>

End time

parent_id: Option<u64>

Parent span ID

id: u64

Span ID

tags: HashMap<String, String>

Tags

children: Vec<u64>

Child spans

Implementations

impl Span

pub fn new(name: &str, id: u64) -> Self

Create a new span

pub fn finish(&mut self)

End the span

pub fn duration(&self) -> Duration

Get duration

pub fn tag(&mut self, key: &str, value: &str)

Add a tag

Trait Implementations

impl Clone for Span

fn clone(&self) -> Span

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Span

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

Formats the value using the given formatter.