go-pulse/metrics/counter_float_64_test.go
Exca-DK b4dcd1a391
metrics: make gauge_float64 and counter_float64 lock free (#27025)
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>
2023-04-04 09:53:44 -04:00

100 lines
2.0 KiB
Go

package metrics
import (
"sync"
"testing"
)
func BenchmarkCounterFloat64(b *testing.B) {
c := NewCounterFloat64()
b.ResetTimer()
for i := 0; i < b.N; i++ {
c.Inc(1.0)
}
}
func BenchmarkCounterFloat64Parallel(b *testing.B) {
c := NewCounterFloat64()
b.ResetTimer()
var wg sync.WaitGroup
for i := 0; i < 10; i++ {
wg.Add(1)
go func() {
for i := 0; i < b.N; i++ {
c.Inc(1.0)
}
wg.Done()
}()
}
wg.Wait()
if have, want := c.Count(), 10.0*float64(b.N); have != want {
b.Fatalf("have %f want %f", have, want)
}
}
func TestCounterFloat64Clear(t *testing.T) {
c := NewCounterFloat64()
c.Inc(1.0)
c.Clear()
if count := c.Count(); count != 0 {
t.Errorf("c.Count(): 0 != %v\n", count)
}
}
func TestCounterFloat64Dec1(t *testing.T) {
c := NewCounterFloat64()
c.Dec(1.0)
if count := c.Count(); count != -1.0 {
t.Errorf("c.Count(): -1.0 != %v\n", count)
}
}
func TestCounterFloat64Dec2(t *testing.T) {
c := NewCounterFloat64()
c.Dec(2.0)
if count := c.Count(); count != -2.0 {
t.Errorf("c.Count(): -2.0 != %v\n", count)
}
}
func TestCounterFloat64Inc1(t *testing.T) {
c := NewCounterFloat64()
c.Inc(1.0)
if count := c.Count(); count != 1.0 {
t.Errorf("c.Count(): 1.0 != %v\n", count)
}
}
func TestCounterFloat64Inc2(t *testing.T) {
c := NewCounterFloat64()
c.Inc(2.0)
if count := c.Count(); count != 2.0 {
t.Errorf("c.Count(): 2.0 != %v\n", count)
}
}
func TestCounterFloat64Snapshot(t *testing.T) {
c := NewCounterFloat64()
c.Inc(1.0)
snapshot := c.Snapshot()
c.Inc(1.0)
if count := snapshot.Count(); count != 1.0 {
t.Errorf("c.Count(): 1.0 != %v\n", count)
}
}
func TestCounterFloat64Zero(t *testing.T) {
c := NewCounterFloat64()
if count := c.Count(); count != 0 {
t.Errorf("c.Count(): 0 != %v\n", count)
}
}
func TestGetOrRegisterCounterFloat64(t *testing.T) {
r := NewRegistry()
NewRegisteredCounterFloat64("foo", r).Inc(47.0)
if c := GetOrRegisterCounterFloat64("foo", r); c.Count() != 47.0 {
t.Fatal(c)
}
}