b4dcd1a391
Makes the float-gauges lock-free name old time/op new time/op delta CounterFloat64Parallel-8 1.45µs ±10% 0.85µs ± 6% -41.65% (p=0.008 n=5+5) --------- Co-authored-by: Exca-DK <dev@DESKTOP-RI45P4J.localdomain> Co-authored-by: Martin Holst Swende <martin@swende.se>
81 lines
1.6 KiB
Go
81 lines
1.6 KiB
Go
package metrics
|
|
|
|
import (
|
|
"sync"
|
|
"testing"
|
|
)
|
|
|
|
func BenchmarkGaugeFloat64(b *testing.B) {
|
|
g := NewGaugeFloat64()
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
g.Update(float64(i))
|
|
}
|
|
}
|
|
|
|
func BenchmarkGaugeFloat64Parallel(b *testing.B) {
|
|
c := NewGaugeFloat64()
|
|
var wg sync.WaitGroup
|
|
for i := 0; i < 10; i++ {
|
|
wg.Add(1)
|
|
go func() {
|
|
for i := 0; i < b.N; i++ {
|
|
c.Update(float64(i))
|
|
}
|
|
wg.Done()
|
|
}()
|
|
}
|
|
wg.Wait()
|
|
if have, want := c.Value(), float64(b.N-1); have != want {
|
|
b.Fatalf("have %f want %f", have, want)
|
|
}
|
|
}
|
|
|
|
func TestGaugeFloat64(t *testing.T) {
|
|
g := NewGaugeFloat64()
|
|
g.Update(47.0)
|
|
if v := g.Value(); 47.0 != v {
|
|
t.Errorf("g.Value(): 47.0 != %v\n", v)
|
|
}
|
|
}
|
|
|
|
func TestGaugeFloat64Snapshot(t *testing.T) {
|
|
g := NewGaugeFloat64()
|
|
g.Update(47.0)
|
|
snapshot := g.Snapshot()
|
|
g.Update(float64(0))
|
|
if v := snapshot.Value(); 47.0 != v {
|
|
t.Errorf("g.Value(): 47.0 != %v\n", v)
|
|
}
|
|
}
|
|
|
|
func TestGetOrRegisterGaugeFloat64(t *testing.T) {
|
|
r := NewRegistry()
|
|
NewRegisteredGaugeFloat64("foo", r).Update(47.0)
|
|
t.Logf("registry: %v", r)
|
|
if g := GetOrRegisterGaugeFloat64("foo", r); 47.0 != g.Value() {
|
|
t.Fatal(g)
|
|
}
|
|
}
|
|
|
|
func TestFunctionalGaugeFloat64(t *testing.T) {
|
|
var counter float64
|
|
fg := NewFunctionalGaugeFloat64(func() float64 {
|
|
counter++
|
|
return counter
|
|
})
|
|
fg.Value()
|
|
fg.Value()
|
|
if counter != 2 {
|
|
t.Error("counter != 2")
|
|
}
|
|
}
|
|
|
|
func TestGetOrRegisterFunctionalGaugeFloat64(t *testing.T) {
|
|
r := NewRegistry()
|
|
NewRegisteredFunctionalGaugeFloat64("foo", r, func() float64 { return 47 })
|
|
if g := GetOrRegisterGaugeFloat64("foo", r); g.Value() != 47 {
|
|
t.Fatal(g)
|
|
}
|
|
}
|