Struct PhaseMetrics 

pub struct PhaseMetrics {
    pub sample_count: usize,
    pub avg_imbalance: Option<f64>,
    pub max_imbalance: Option<f64>,
    pub avg_dsq_depth: Option<f64>,
    pub avg_nr_running: Option<f64>,
    pub max_dsq_depth: u32,
    pub stall_count: usize,
    pub fallback_rate: Option<f64>,
    pub keep_last_rate: Option<f64>,
    pub iteration_rate: Option<f64>,
}

Metrics aggregated from monitor samples within a phase.

Fields

sample_count: usize

avg_imbalance: Option<f64>

Mean CPU-imbalance ratio over the phase’s valid samples. None when the phase had no valid samples (monitor-only Timeline::build) or its source bucket carried no avg_imbalance_ratio metric (snapshot from_phase_buckets) — distinct from a real Some(0.0) (perfectly balanced). The change detector compares it only when both sides are Some, so an absent phase never reads as a false zero-imbalance.

max_imbalance: Option<f64>

Peak CPU-imbalance ratio over the phase’s valid samples. None on the same no-data conditions as Self::avg_imbalance.

avg_dsq_depth: Option<f64>

Mean local-DSQ depth over the phase’s valid samples. None on the same no-data conditions as Self::avg_imbalance.

avg_nr_running: Option<f64>

Mean runqueue occupancy (full-class rq.nr_running) over the phase’s valid samples — per-sample mean of the per-CPU nr_running, averaged over samples (the avg_dsq_depth shape). None on the same no-data conditions as Self::avg_imbalance. The run-level value stays MonitorSummary::avg_nr_running (folded by fold_run_level_ext); this per-phase field feeds rendering + boundary change-detection only and is kept out of the run-level ext re-pool (see populate_run_ext_metrics_from_phases).

max_dsq_depth: u32

stall_count: usize

fallback_rate: Option<f64>

select_cpu_fallback events per second. None when event counters unavailable.

keep_last_rate: Option<f64>

dispatch_keep_last events per second. None when event counters unavailable.

iteration_rate: Option<f64>

Worker iterations per second during this phase. Computed from cumulative iteration counts in consecutive stimulus events.

Trait Implementations

impl Clone for PhaseMetrics

fn clone(&self) -> PhaseMetrics

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PhaseMetrics

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

Formats the value using the given formatter.

impl Default for PhaseMetrics

fn default() -> PhaseMetrics

Returns the “default value” for a type.