49 lines
1.0 KiB
Go
49 lines
1.0 KiB
Go
package internal
|
|
|
|
import "time"
|
|
|
|
// ApdexZone is a transaction classification.
|
|
type ApdexZone int
|
|
|
|
// https://en.wikipedia.org/wiki/Apdex
|
|
const (
|
|
ApdexNone ApdexZone = iota
|
|
ApdexSatisfying
|
|
ApdexTolerating
|
|
ApdexFailing
|
|
)
|
|
|
|
// ApdexFailingThreshold calculates the threshold at which the transaction is
|
|
// considered a failure.
|
|
func ApdexFailingThreshold(threshold time.Duration) time.Duration {
|
|
return 4 * threshold
|
|
}
|
|
|
|
// CalculateApdexZone calculates the apdex based on the transaction duration and
|
|
// threshold.
|
|
//
|
|
// Note that this does not take into account whether or not the transaction
|
|
// had an error. That is expected to be done by the caller.
|
|
func CalculateApdexZone(threshold, duration time.Duration) ApdexZone {
|
|
if duration <= threshold {
|
|
return ApdexSatisfying
|
|
}
|
|
if duration <= ApdexFailingThreshold(threshold) {
|
|
return ApdexTolerating
|
|
}
|
|
return ApdexFailing
|
|
}
|
|
|
|
func (zone ApdexZone) label() string {
|
|
switch zone {
|
|
case ApdexSatisfying:
|
|
return "S"
|
|
case ApdexTolerating:
|
|
return "T"
|
|
case ApdexFailing:
|
|
return "F"
|
|
default:
|
|
return ""
|
|
}
|
|
}
|