Struct PerfMetrics

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pub struct PerfMetrics { /* private fields */ }

Expand description

性能加速指标聚合（v7.3.0）

使用无锁原子计数器采集 SIMD/零拷贝/预热/计划缓存四项加速能力的运行指标。

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impl PerfMetrics

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pub fn new() -> Self

创建新的指标实例

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pub fn record_simd_hit(&self)

记录 SIMD 命中

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pub fn record_simd_miss(&self)

记录 SIMD 未命中

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pub fn record_zero_copy_hit(&self)

记录零拷贝命中

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pub fn record_prewarm_success(&self)

记录预热成功

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pub fn record_plan_cache_eviction(&self)

记录计划缓存淘汰

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pub fn set_simd_latency_reduction_pct(&self, pct: f64)

设置 SIMD 延迟降低百分比

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pub fn set_zero_copy_rss_reduction_pct(&self, pct: f64)

设置零拷贝 RSS 降低百分比

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pub fn set_plan_cache_hit_rate(&self, rate: f64)

设置计划缓存命中率

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pub fn snapshot(&self) -> PerfMetricsSnapshot

采集指标快照

Trait Implementations§

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impl Debug for PerfMetrics

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

Formats the value using the given formatter. Read more

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impl Default for PerfMetrics

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fn default() -> PerfMetrics

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

Auto Trait Implementations§

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impl UnwindSafe for PerfMetrics

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

Immutably borrows from an owned value. Read more

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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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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