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DeltaSnapshot

cbtop::incremental_snapshot

Struct DeltaSnapshot 

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pub struct DeltaSnapshot {
    pub index: usize,
    pub base_index: usize,
    pub timestamp_ns: u64,
    pub workload_fingerprint: String,
    pub deltas: HashMap<String, DeltaMetric>,
    pub new_metrics: HashMap<String, MetricData>,
    pub removed_metrics: Vec<String>,
    pub checksum: u32,
}
Expand description

Delta-encoded snapshot

Fields§

§index: usize

Snapshot index

§base_index: usize

Base snapshot index

§timestamp_ns: u64

Timestamp

§workload_fingerprint: String

Workload fingerprint

§deltas: HashMap<String, DeltaMetric>

Delta metrics

§new_metrics: HashMap<String, MetricData>

New metrics (not in base)

§removed_metrics: Vec<String>

Removed metric names

§checksum: u32

Checksum

Implementations§

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impl DeltaSnapshot

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pub fn from_diff(base: &ProfileSnapshot, current: &ProfileSnapshot) -> Self

Create from two snapshots

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pub fn size_bytes(&self) -> usize

Get compressed size

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pub fn apply_to(&self, base: &ProfileSnapshot) -> ProfileSnapshot

Apply delta to base snapshot

Trait Implementations§

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impl Clone for DeltaSnapshot

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fn clone(&self) -> DeltaSnapshot

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 DeltaSnapshot

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

Formats the value using the given formatter. Read more

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