1 // Copyright The OpenTelemetry Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package internal // import "go.opentelemetry.io/otel/sdk/internal" 16 17 import "time" 18 19 // MonotonicEndTime returns the end time at present 20 // but offset from start, monotonically. 21 // 22 // The monotonic clock is used in subtractions hence 23 // the duration since start added back to start gives 24 // end as a monotonic time. 25 // See https://golang.org/pkg/time/#hdr-Monotonic_Clocks 26 func MonotonicEndTime(start time.Time) time.Time { 27 return start.Add(time.Since(start)) 28 } 29