91 lines
4 KiB
Go
91 lines
4 KiB
Go
// Copyright (c) 2016 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package jaeger
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import (
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"github.com/uber/jaeger-lib/metrics"
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)
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// Metrics is a container of all stats emitted by Jaeger tracer.
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type Metrics struct {
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// Number of traces started by this tracer as sampled
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TracesStartedSampled metrics.Counter `metric:"traces" tags:"state=started,sampled=y"`
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// Number of traces started by this tracer as not sampled
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TracesStartedNotSampled metrics.Counter `metric:"traces" tags:"state=started,sampled=n"`
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// Number of externally started sampled traces this tracer joined
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TracesJoinedSampled metrics.Counter `metric:"traces" tags:"state=joined,sampled=y"`
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// Number of externally started not-sampled traces this tracer joined
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TracesJoinedNotSampled metrics.Counter `metric:"traces" tags:"state=joined,sampled=n"`
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// Number of sampled spans started by this tracer
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SpansStarted metrics.Counter `metric:"spans" tags:"group=lifecycle,state=started"`
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// Number of sampled spans finished by this tracer
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SpansFinished metrics.Counter `metric:"spans" tags:"group=lifecycle,state=finished"`
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// Number of sampled spans started by this tracer
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SpansSampled metrics.Counter `metric:"spans" tags:"group=sampling,sampled=y"`
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// Number of not-sampled spans started by this tracer
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SpansNotSampled metrics.Counter `metric:"spans" tags:"group=sampling,sampled=n"`
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// Number of errors decoding tracing context
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DecodingErrors metrics.Counter `metric:"decoding-errors"`
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// Number of spans successfully reported
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ReporterSuccess metrics.Counter `metric:"reporter-spans" tags:"state=success"`
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// Number of spans in failed attempts to report
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ReporterFailure metrics.Counter `metric:"reporter-spans" tags:"state=failure"`
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// Number of spans dropped due to internal queue overflow
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ReporterDropped metrics.Counter `metric:"reporter-spans" tags:"state=dropped"`
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// Current number of spans in the reporter queue
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ReporterQueueLength metrics.Gauge `metric:"reporter-queue"`
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// Number of times the Sampler succeeded to retrieve sampling strategy
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SamplerRetrieved metrics.Counter `metric:"sampler" tags:"state=retrieved"`
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// Number of times the Sampler succeeded to retrieve and update sampling strategy
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SamplerUpdated metrics.Counter `metric:"sampler" tags:"state=updated"`
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// Number of times the Sampler failed to update sampling strategy
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SamplerUpdateFailure metrics.Counter `metric:"sampler" tags:"state=failure,phase=updating"`
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// Number of times the Sampler failed to retrieve sampling strategy
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SamplerQueryFailure metrics.Counter `metric:"sampler" tags:"state=failure,phase=query"`
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}
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// NewMetrics creates a new Metrics struct and initializes it.
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func NewMetrics(factory metrics.Factory, globalTags map[string]string) *Metrics {
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m := &Metrics{}
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metrics.Init(m, factory.Namespace("jaeger", nil), globalTags)
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return m
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}
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// NewNullMetrics creates a new Metrics struct that won't report any metrics.
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func NewNullMetrics() *Metrics {
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return NewMetrics(metrics.NullFactory, nil)
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}
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