storage

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v1.4.0 Latest Latest
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Published: Feb 6, 2024 License: AGPL-3.0 Imports: 5 Imported by: 0

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type MetricsExporter

type MetricsExporter interface {
	// Evaluate evaluates metrics export rules against the input key and creates
	// prometheus counters for new time series, if required. Returned observer can
	// be used to evaluate and observe particular samples.
	//
	// If there are no matching rules, the function returns false.
	Evaluate(*PutInput) (SampleObserver, bool)
}

MetricsExporter exports values of particular stack traces sample from profiling data as a Prometheus metrics.

type PutInput

type PutInput struct {
	StartTime       time.Time
	EndTime         time.Time
	Key             *segment.Key
	Val             *tree.Tree
	SpyName         string
	SampleRate      uint32
	Units           metadata.Units
	AggregationType metadata.AggregationType
}

type Putter

type Putter interface {
	Put(context.Context, *PutInput) error
}

type SampleObserver

type SampleObserver interface {
	// Observe adds v to the matched counters if k satisfies node selector.
	// k is a sample stack trace where frames are delimited by semicolon.
	// v is the sample value.
	Observe(k []byte, v int)
}

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