mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-25 13:07:17 +00:00
f6ba57ebc1
* metrics: zero temp variable in updateMeter Previously the temp variable was not updated properly after summing it to count. This meant we had astronomically high metrics, now we zero out the temp whenever we sum it onto the snapshot count * metrics: move temp variable to be aligned, unit tests Moves the temp variable in MeterSnapshot to be 64-bit aligned because of the atomic bug. Adds a unit test, that catches the previous bug.
92 lines
1.8 KiB
Go
92 lines
1.8 KiB
Go
package metrics
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import (
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"testing"
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"time"
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)
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func BenchmarkMeter(b *testing.B) {
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m := NewMeter()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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m.Mark(1)
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}
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}
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func TestGetOrRegisterMeter(t *testing.T) {
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r := NewRegistry()
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NewRegisteredMeter("foo", r).Mark(47)
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if m := GetOrRegisterMeter("foo", r); m.Count() != 47 {
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t.Fatal(m.Count())
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}
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}
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func TestMeterDecay(t *testing.T) {
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ma := meterArbiter{
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ticker: time.NewTicker(time.Millisecond),
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meters: make(map[*StandardMeter]struct{}),
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}
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defer ma.ticker.Stop()
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m := newStandardMeter()
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ma.meters[m] = struct{}{}
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m.Mark(1)
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ma.tickMeters()
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rateMean := m.RateMean()
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time.Sleep(100 * time.Millisecond)
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ma.tickMeters()
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if m.RateMean() >= rateMean {
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t.Error("m.RateMean() didn't decrease")
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}
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}
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func TestMeterNonzero(t *testing.T) {
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m := NewMeter()
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m.Mark(3)
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if count := m.Count(); count != 3 {
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t.Errorf("m.Count(): 3 != %v\n", count)
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}
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}
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func TestMeterStop(t *testing.T) {
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l := len(arbiter.meters)
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m := NewMeter()
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if l+1 != len(arbiter.meters) {
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t.Errorf("arbiter.meters: %d != %d\n", l+1, len(arbiter.meters))
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}
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m.Stop()
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if l != len(arbiter.meters) {
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t.Errorf("arbiter.meters: %d != %d\n", l, len(arbiter.meters))
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}
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}
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func TestMeterSnapshot(t *testing.T) {
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m := NewMeter()
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m.Mark(1)
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if snapshot := m.Snapshot(); m.RateMean() != snapshot.RateMean() {
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t.Fatal(snapshot)
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}
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}
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func TestMeterZero(t *testing.T) {
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m := NewMeter()
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if count := m.Count(); count != 0 {
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t.Errorf("m.Count(): 0 != %v\n", count)
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}
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}
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func TestMeterRepeat(t *testing.T) {
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m := NewMeter()
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for i := 0; i < 101; i++ {
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m.Mark(int64(i))
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}
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if count := m.Count(); count != 5050 {
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t.Errorf("m.Count(): 5050 != %v\n", count)
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}
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for i := 0; i < 101; i++ {
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m.Mark(int64(i))
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}
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if count := m.Count(); count != 10100 {
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t.Errorf("m.Count(): 10100 != %v\n", count)
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}
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}
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