Struct LatencyHistogram

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pub struct LatencyHistogram { /* private fields */ }

Expand description

Latency histogram for tracking query execution times

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impl LatencyHistogram

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pub fn new() -> Self

Create histogram with default buckets

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pub fn with_buckets(boundaries_us: &[u64]) -> Self

Create histogram with custom bucket boundaries

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pub fn record(&self, duration: Duration)

Record a duration

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pub fn record_us(&self, value_us: u64)

Record a value in microseconds

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pub fn count(&self) -> u64

Get total count

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pub fn mean(&self) -> Duration

Get mean latency

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pub fn percentile(&self, p: f64) -> Duration

Get percentile (0.0 - 1.0)

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pub fn p50(&self) -> Duration

Get P50 (median)

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pub fn p90(&self) -> Duration

Get P90

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pub fn p95(&self) -> Duration

Get P95

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pub fn p99(&self) -> Duration

Get P99

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pub fn snapshot(&self) -> HistogramSnapshot

Get snapshot of histogram

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pub fn reset(&self)

Reset histogram

Trait Implementations§

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impl Default for LatencyHistogram

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl UnwindSafe for LatencyHistogram

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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