71 lines
2.5 KiB
Go
71 lines
2.5 KiB
Go
|
package metrics
|
||
|
|
|
||
|
|
import (
|
||
|
|
"log"
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Output each metric in the given registry periodically using the given
|
||
|
|
// logger.
|
||
|
|
func Log(r Registry, d time.Duration, l *log.Logger) {
|
||
|
|
for _ = range time.Tick(d) {
|
||
|
|
r.Each(func(name string, i interface{}) {
|
||
|
|
switch metric := i.(type) {
|
||
|
|
case Counter:
|
||
|
|
l.Printf("counter %s\n", name)
|
||
|
|
l.Printf(" count: %9d\n", metric.Count())
|
||
|
|
case Gauge:
|
||
|
|
l.Printf("gauge %s\n", name)
|
||
|
|
l.Printf(" value: %9d\n", metric.Value())
|
||
|
|
case GaugeFloat64:
|
||
|
|
l.Printf("gauge %s\n", name)
|
||
|
|
l.Printf(" value: %f\n", metric.Value())
|
||
|
|
case Healthcheck:
|
||
|
|
metric.Check()
|
||
|
|
l.Printf("healthcheck %s\n", name)
|
||
|
|
l.Printf(" error: %v\n", metric.Error())
|
||
|
|
case Histogram:
|
||
|
|
h := metric.Snapshot()
|
||
|
|
ps := h.Percentiles([]float64{0.5, 0.75, 0.95, 0.99, 0.999})
|
||
|
|
l.Printf("histogram %s\n", name)
|
||
|
|
l.Printf(" count: %9d\n", h.Count())
|
||
|
|
l.Printf(" min: %9d\n", h.Min())
|
||
|
|
l.Printf(" max: %9d\n", h.Max())
|
||
|
|
l.Printf(" mean: %12.2f\n", h.Mean())
|
||
|
|
l.Printf(" stddev: %12.2f\n", h.StdDev())
|
||
|
|
l.Printf(" median: %12.2f\n", ps[0])
|
||
|
|
l.Printf(" 75%%: %12.2f\n", ps[1])
|
||
|
|
l.Printf(" 95%%: %12.2f\n", ps[2])
|
||
|
|
l.Printf(" 99%%: %12.2f\n", ps[3])
|
||
|
|
l.Printf(" 99.9%%: %12.2f\n", ps[4])
|
||
|
|
case Meter:
|
||
|
|
m := metric.Snapshot()
|
||
|
|
l.Printf("meter %s\n", name)
|
||
|
|
l.Printf(" count: %9d\n", m.Count())
|
||
|
|
l.Printf(" 1-min rate: %12.2f\n", m.Rate1())
|
||
|
|
l.Printf(" 5-min rate: %12.2f\n", m.Rate5())
|
||
|
|
l.Printf(" 15-min rate: %12.2f\n", m.Rate15())
|
||
|
|
l.Printf(" mean rate: %12.2f\n", m.RateMean())
|
||
|
|
case Timer:
|
||
|
|
t := metric.Snapshot()
|
||
|
|
ps := t.Percentiles([]float64{0.5, 0.75, 0.95, 0.99, 0.999})
|
||
|
|
l.Printf("timer %s\n", name)
|
||
|
|
l.Printf(" count: %9d\n", t.Count())
|
||
|
|
l.Printf(" min: %9d\n", t.Min())
|
||
|
|
l.Printf(" max: %9d\n", t.Max())
|
||
|
|
l.Printf(" mean: %12.2f\n", t.Mean())
|
||
|
|
l.Printf(" stddev: %12.2f\n", t.StdDev())
|
||
|
|
l.Printf(" median: %12.2f\n", ps[0])
|
||
|
|
l.Printf(" 75%%: %12.2f\n", ps[1])
|
||
|
|
l.Printf(" 95%%: %12.2f\n", ps[2])
|
||
|
|
l.Printf(" 99%%: %12.2f\n", ps[3])
|
||
|
|
l.Printf(" 99.9%%: %12.2f\n", ps[4])
|
||
|
|
l.Printf(" 1-min rate: %12.2f\n", t.Rate1())
|
||
|
|
l.Printf(" 5-min rate: %12.2f\n", t.Rate5())
|
||
|
|
l.Printf(" 15-min rate: %12.2f\n", t.Rate15())
|
||
|
|
l.Printf(" mean rate: %12.2f\n", t.RateMean())
|
||
|
|
}
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|