1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package runtime_test
import (
"context"
"log"
"time"
"go.opentelemetry.io/contrib/instrumentation/runtime"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/sdk/metric"
)
func Example() {
// This reader is used as a stand-in for a reader that will actually export
// data. See https://pkg.go.dev/go.opentelemetry.io/otel/exporters for
// exporters that can be used as or with readers.
reader := metric.NewManualReader(
// Add the runtime producer to get histograms from the Go runtime.
metric.WithProducer(runtime.NewProducer()),
)
provider := metric.NewMeterProvider(metric.WithReader(reader))
defer func() {
err := provider.Shutdown(context.Background())
if err != nil {
log.Fatal(err)
}
}()
otel.SetMeterProvider(provider)
// Start go runtime metric collection.
err := runtime.Start(runtime.WithMinimumReadMemStatsInterval(time.Second))
if err != nil {
log.Fatal(err)
}
}
|
