Exemple #1
0
func ExampleSummary() {
	temps := prometheus.NewSummary(prometheus.SummaryOpts{
		Name: "pond_temperature_celsius",
		Help: "The temperature of the frog pond.", // Sorry, we can't measure how badly it smells.
	})

	// Simulate some observations.
	for i := 0; i < 1000; i++ {
		temps.Observe(30 + math.Floor(120*math.Sin(float64(i)*0.1))/10)
	}

	// Just for demonstration, let's check the state of the summary by
	// (ab)using its Write method (which is usually only used by Prometheus
	// internally).
	metric := &dto.Metric{}
	temps.Write(metric)
	fmt.Println(proto.MarshalTextString(metric))

	// Output:
	// summary: <
	//   sample_count: 1000
	//   sample_sum: 29969.50000000001
	//   quantile: <
	//     quantile: 0.5
	//     value: 31.1
	//   >
	//   quantile: <
	//     quantile: 0.9
	//     value: 41.3
	//   >
	//   quantile: <
	//     quantile: 0.99
	//     value: 41.9
	//   >
	// >
}
Exemple #2
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// 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 snap

import "github.com/coreos/etcd/Godeps/_workspace/src/github.com/prometheus/client_golang/prometheus"

var (
	// TODO: save_fsync latency?
	// TODO: save_encoding latency?
	saveDurations = prometheus.NewSummary(prometheus.SummaryOpts{
		Namespace: "etcd",
		Subsystem: "snapshot",
		Name:      "save_total_durations_microseconds",
		Help:      "The total latency distributions of save called by snapshot.",
	})
)

func init() {
	prometheus.MustRegister(saveDurations)
}
Exemple #3
0
// limitations under the License.

package etcdserver

import (
	"time"

	"github.com/coreos/etcd/Godeps/_workspace/src/github.com/prometheus/client_golang/prometheus"
	"github.com/coreos/etcd/pkg/runtime"
)

var (
	// TODO: with label in v3?
	proposeDurations = prometheus.NewSummary(prometheus.SummaryOpts{
		Namespace: "etcd",
		Subsystem: "server",
		Name:      "proposal_durations_milliseconds",
		Help:      "The latency distributions of committing proposal.",
	})
	proposePending = prometheus.NewGauge(prometheus.GaugeOpts{
		Namespace: "etcd",
		Subsystem: "server",
		Name:      "pending_proposal_total",
		Help:      "The total number of pending proposals.",
	})
	// This is number of proposal failed in client's view.
	// The proposal might be later got committed in raft.
	proposeFailed = prometheus.NewCounter(prometheus.CounterOpts{
		Namespace: "etcd",
		Subsystem: "server",
		Name:      "proposal_failed_total",
		Help:      "The total number of failed proposals.",
Exemple #4
0
//     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 wal

import "github.com/coreos/etcd/Godeps/_workspace/src/github.com/prometheus/client_golang/prometheus"

var (
	syncDurations = prometheus.NewSummary(prometheus.SummaryOpts{
		Namespace: "etcd",
		Subsystem: "wal",
		Name:      "fsync_durations_microseconds",
		Help:      "The latency distributions of fsync called by wal.",
	})
	lastIndexSaved = prometheus.NewGauge(prometheus.GaugeOpts{
		Namespace: "etcd",
		Subsystem: "wal",
		Name:      "last_index_saved",
		Help:      "The index of the last entry saved by wal.",
	})
)

func init() {
	prometheus.MustRegister(syncDurations)
	prometheus.MustRegister(lastIndexSaved)
}