Function elapsed_millis

components/scheduler/src/dispatch_metrics.rs:37–43

Fractional milliseconds since `since`; the early hops are normally sub-millisecond so whole-ms resolution would round them all to zero.

(since: DateTime<Utc>)

/// Fractional milliseconds since `since`; the early hops are normally
/// sub-millisecond so whole-ms resolution would round them all to zero.
pub(crate) fn elapsed_millis(since: DateTime<Utc>) -> f64 {
    let elapsed = Utc::now().signed_duration_since(since);
    elapsed
        .num_microseconds()
        .map(|us| us as f64 / 1000.0)
        .unwrap_or_else(|| elapsed.num_milliseconds() as f64)
}

pub(crate) fn event_source_label(source: EventSource) -> &'static str {
    match source {