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ryan
33 lines
1.0 KiB
Go
33 lines
1.0 KiB
Go
/*
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Copyright 2025 linux.do
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Modified by Arctel.net, 2026
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package otel_trace
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import (
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sdktrace "go.opentelemetry.io/otel/sdk/trace"
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)
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// ParentBasedErrorAwareSampler 创建父级感知的概率采样器
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// - 如果父 Span 已采样，则子 Span 也采样
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// - 如果父 Span 未采样，则子 Span 也不采样
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// - 如果是根 Span，按 samplingRate 概率采样
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func ParentBasedErrorAwareSampler(samplingRate float64) sdktrace.Sampler {
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return sdktrace.ParentBased(
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sdktrace.TraceIDRatioBased(samplingRate),
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)
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}
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