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ryan
20 lines
549 B
Go
20 lines
549 B
Go
// Copyright 2025 linux.do
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// Copyright 2026 Arctel.net
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// SPDX-License-Identifier: Apache-2.0
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package 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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// ParentBasedRatioSampler 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 ParentBasedRatioSampler(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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