prometheus/rules/telemetry.go
Stuart Nelson b75adfebad add evalDuration histogram and ruleCount counter for rules
Change-Id: I3508fe72526348d96b8158828388c3ac8d7c3fa9
2013-12-11 15:42:53 -05:00

49 lines
1.9 KiB
Go

// Copyright 2013 Prometheus Team
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package rules
import (
"time"
"github.com/prometheus/client_golang/prometheus"
)
const (
intervalLabel = "interval"
ruleTypeLabel = "rule_type"
alertingRuleType = "alerting"
recordingRuleType = "recording"
)
var (
evalDuration = prometheus.NewDefaultHistogram()
evalCount = prometheus.NewCounter()
iterationDuration = prometheus.NewHistogram(&prometheus.HistogramSpecification{
Starts: prometheus.LogarithmicSizedBucketsFor(0, 10000),
BucketBuilder: prometheus.AccumulatingBucketBuilder(prometheus.EvictAndReplaceWith(10, prometheus.AverageReducer), 100),
ReportablePercentiles: []float64{0.01, 0.05, 0.5, 0.90, 0.99}})
)
func recordOutcome(ruleType string, duration time.Duration) {
millisecondDuration := float64(duration / time.Millisecond)
evalCount.Increment(map[string]string{ruleTypeLabel: ruleType})
evalDuration.Add(map[string]string{ruleTypeLabel: ruleType}, millisecondDuration)
}
func init() {
prometheus.Register("prometheus_evaluator_duration_ms", "The duration for each evaluation pool to execute.", prometheus.NilLabels, iterationDuration)
prometheus.Register("prometheus_rule_evaluation_duration_ms", "The duration for a rule to execute.", prometheus.NilLabels, evalDuration)
prometheus.Register("prometheus_rule_evaluation_count", "The number of rules evaluated.", prometheus.NilLabels, evalCount)
}