42 lines
902 B
Go
42 lines
902 B
Go
package metrics_test
|
|
|
|
import (
|
|
"fmt"
|
|
"go.unistack.org/metrics"
|
|
)
|
|
|
|
func ExampleFloatCounter() {
|
|
// Define a float64 counter in global scope.
|
|
var fc = metrics.NewFloatCounter(`float_metric_total{label1="value1", label2="value2"}`)
|
|
|
|
// Add to the counter when needed.
|
|
for i := 0; i < 10; i++ {
|
|
fc.Add(1.01)
|
|
}
|
|
n := fc.Get()
|
|
fmt.Println(n)
|
|
|
|
// Output:
|
|
// 10.1
|
|
}
|
|
|
|
func ExampleFloatCounter_vec() {
|
|
for i := 0; i < 3; i++ {
|
|
// Dynamically construct metric name and pass it to GetOrCreateFloatCounter.
|
|
name := fmt.Sprintf(`float_metric_total{label1=%q, label2="%d"}`, "value1", i)
|
|
metrics.GetOrCreateFloatCounter(name).Add(float64(i) + 1.01)
|
|
}
|
|
|
|
// Read counter values.
|
|
for i := 0; i < 3; i++ {
|
|
name := fmt.Sprintf(`float_metric_total{label1=%q, label2="%d"}`, "value1", i)
|
|
n := metrics.GetOrCreateFloatCounter(name).Get()
|
|
fmt.Println(n)
|
|
}
|
|
|
|
// Output:
|
|
// 1.01
|
|
// 2.01
|
|
// 3.01
|
|
}
|