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58 lines
1.4 KiB
58 lines
1.4 KiB
// 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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