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VarianceAnalysis

cbtop::variance_analysis

Struct VarianceAnalysis 

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pub struct VarianceAnalysis {
    pub total_cv_percent: f64,
    pub frequency_contribution: f64,
    pub thermal_contribution: f64,
    pub cache_contribution: f64,
    pub residual_noise: f64,
    pub dominant_source: VarianceSource,
    pub recommendations: Vec<String>,
    pub budget_met: bool,
    pub sample_count: usize,
    pub warmup_effect: f64,
    pub trend_coefficient: f64,
}
Expand description

Variance analysis result

Fields§

§total_cv_percent: f64

Total coefficient of variation (%)

§frequency_contribution: f64

Estimated frequency scaling contribution (%)

§thermal_contribution: f64

Estimated thermal contribution (%)

§cache_contribution: f64

Estimated cache state contribution (%)

§residual_noise: f64

Residual unexplained noise (%)

§dominant_source: VarianceSource

Dominant source of variance

§recommendations: Vec<String>

Mitigation recommendations

§budget_met: bool

Whether variance budget is met (CV < 5%)

§sample_count: usize

Sample statistics

§warmup_effect: f64

Warmup effect ratio (cold/warm performance)

§trend_coefficient: f64

Trend coefficient (positive = increasing latency)

Implementations§

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impl VarianceAnalysis

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pub fn analyze(input: &VarianceInput) -> Option<Self>

Analyze variance sources from input data

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pub fn summary(&self) -> String

Get summary string

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pub fn has_dominant_source(&self) -> bool

Check if any single source dominates (>50% of variance)

Trait Implementations§

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impl Clone for VarianceAnalysis

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fn clone(&self) -> VarianceAnalysis

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for VarianceAnalysis

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

Formats the value using the given formatter. Read more

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