perf

package
v1.194.0 Latest Latest
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 Go to latest Published: Oct 8, 2025 License: Apache-2.0 Imports: 5 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	DefaultMatrixCapacity = 64
)

Variables

This section is empty.

Functions

func EnableTracking 

func EnableTracking(enabled bool)

EnableTracking enables performance tracking globally. HDR histogram for P95 latency is automatically enabled when tracking is enabled.

func Track 

func Track(atmosConfig *schema.AtmosConfiguration, name string) func()

Track returns a func you should defer to record duration for a Go function. Performance tracking is enabled via the `--heatmap` flag. Use `--heatmap` flag to display the collected metrics. Note: `atmosConfig` parameter is reserved for future use.

Types

type Metric 

type Metric struct {
	Name  string
	Count int64
	Total time.Duration
	Max   time.Duration
	Hist  *hdrhistogram.Histogram // optional (nil if disabled)
}

type Row 

type Row struct {
	Name  string
	Count int64
	Total time.Duration
	Avg   time.Duration
	Max   time.Duration
	P95   time.Duration // 0 if HDR disabled
}

type Snapshot 

type Snapshot struct {
	Rows       []Row
	Elapsed    time.Duration
	TotalFuncs int
	TotalCalls int64
}

func SnapshotTop 

func SnapshotTop(by string, topN int) Snapshot

func SnapshotTopFiltered 

func SnapshotTopFiltered(by string, topN int) Snapshot

SnapshotTopFiltered returns the top N functions sorted by the given field, filtering out functions with zero total time.

Source Files

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