metrics

var (
	// StepDurationSummary report the step execution duration summary.
	StepDurationSummary = prometheus.NewSummaryVec(prometheus.SummaryOpts{
		Name:        "step_duration_ms",
		Help:        "step latency distributions.",
		Objectives:  map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.99: 0.001},
		ConstLabels: prometheus.Labels{},
	}, []string{"application", "workflow_revision", "step_name", "step_type"})
)