1// Copyright 2019 Istio Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package monitoring_test
16
17import "istio.io/pkg/monitoring"
18
19var (
20	pushLatency = monitoring.NewGauge(
21		"push_latency_seconds",
22		"Duration, measured in seconds, of the last push",
23		monitoring.WithUnit(monitoring.Seconds),
24	)
25)
26
27func init() {
28	monitoring.MustRegister(pushLatency)
29}
30
31func ExampleNewGauge() {
32	// only the last recorded value (99.2) will be exported for this gauge
33	pushLatency.Record(77.3)
34	pushLatency.Record(22.8)
35	pushLatency.Record(99.2)
36}
37