mirror of https://github.com/prometheus/prometheus
59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
// Copyright 2016 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package local
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import (
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"sync"
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"testing"
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"github.com/prometheus/common/model"
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)
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func BenchmarkFingerprintLockerParallel(b *testing.B) {
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numGoroutines := 10
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numFingerprints := 10
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numLockOps := b.N
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locker := newFingerprintLocker(100)
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wg := sync.WaitGroup{}
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b.ResetTimer()
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for i := 0; i < numGoroutines; i++ {
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wg.Add(1)
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go func(i int) {
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for j := 0; j < numLockOps; j++ {
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fp1 := model.Fingerprint(j % numFingerprints)
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fp2 := model.Fingerprint(j%numFingerprints + numFingerprints)
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locker.Lock(fp1)
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locker.Lock(fp2)
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locker.Unlock(fp2)
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locker.Unlock(fp1)
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}
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wg.Done()
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}(i)
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}
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wg.Wait()
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}
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func BenchmarkFingerprintLockerSerial(b *testing.B) {
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numFingerprints := 10
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locker := newFingerprintLocker(100)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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fp := model.Fingerprint(i % numFingerprints)
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locker.Lock(fp)
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locker.Unlock(fp)
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}
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}
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