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54 lines
1.3 KiB
54 lines
1.3 KiB
// Copyright (c) 2019 The Jaeger Authors.
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// 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 route
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import (
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"context"
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"expvar"
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"time"
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"github.com/jaegertracing/jaeger/examples/hotrod/pkg/tracing"
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)
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var (
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routeCalcByCustomer = expvar.NewMap("route.calc.by.customer.sec")
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routeCalcBySession = expvar.NewMap("route.calc.by.session.sec")
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)
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var stats = []struct {
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expvar *expvar.Map
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baggageKey string
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}{
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{
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expvar: routeCalcByCustomer,
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baggageKey: "customer",
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},
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{
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expvar: routeCalcBySession,
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baggageKey: "session",
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},
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}
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func updateCalcStats(ctx context.Context, delay time.Duration) {
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delaySec := float64(delay/time.Millisecond) / 1000.0
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for _, s := range stats {
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key := tracing.BaggageItem(ctx, s.baggageKey)
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if key != "" {
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s.expvar.AddFloat(key, delaySec)
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}
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}
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}
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