You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
32 lines
1013 B
32 lines
1013 B
8 months ago
|
// Copyright (c) 2019 The Jaeger Authors.
|
||
|
|
// Copyright (c) 2017 Uber Technologies, Inc.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package delay
|
||
|
|
|
||
|
|
import (
|
||
|
|
"math"
|
||
|
|
"math/rand"
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Sleep generates a normally distributed random delay with given mean and stdDev
|
||
|
|
// and blocks for that duration.
|
||
|
|
func Sleep(mean time.Duration, stdDev time.Duration) {
|
||
|
|
fMean := float64(mean)
|
||
|
|
fStdDev := float64(stdDev)
|
||
|
|
delay := time.Duration(math.Max(1, rand.NormFloat64()*fStdDev+fMean))
|
||
|
|
time.Sleep(delay)
|
||
|
|
}
|