101 lines
4.2 KiB
Go
101 lines
4.2 KiB
Go
// Copyright (c) 2017 Uber Technologies, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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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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// Number of times baggage was successfully written or updated on spans.
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BaggageUpdateSuccess metrics.Counter `metric:"baggage-update" tags:"result=ok"`
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// Number of times baggage failed to write or update on spans.
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BaggageUpdateFailure metrics.Counter `metric:"baggage-update" tags:"result=err"`
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// Number of times baggage was truncated as per baggage restrictions.
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BaggageTruncate metrics.Counter `metric:"baggage-truncate"`
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// Number of times baggage restrictions were successfully updated.
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BaggageRestrictionsUpdateSuccess metrics.Counter `metric:"baggage-restrictions-update" tags:"result=ok"`
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// Number of times baggage restrictions failed to update.
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BaggageRestrictionsUpdateFailure metrics.Counter `metric:"baggage-restrictions-update" tags:"result=err"`
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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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