/
goroutine.go
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/
goroutine.go
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//
// Copyright (C) 2019-2020 Vdaas.org Vald team ( kpango, rinx, kmrmt )
//
// 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
//
// https://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 goroutine provides functions for goroutine runtime stats
package goroutine
import (
"context"
"runtime"
"github.com/vdaas/vald/internal/observability/metrics"
)
type goroutines struct {
count metrics.Int64Measure
}
func New() metrics.Metric {
return &goroutines{
count: *metrics.Int64(metrics.ValdOrg+"/runtime/goroutine_count", "number of goroutines", metrics.UnitDimensionless),
}
}
func (g *goroutines) Measurement(ctx context.Context) ([]metrics.Measurement, error) {
return []metrics.Measurement{
g.count.M(int64(runtime.NumGoroutine())),
}, nil
}
func (g *goroutines) MeasurementWithTags(ctx context.Context) ([]metrics.MeasurementWithTags, error) {
return []metrics.MeasurementWithTags{}, nil
}
func (g *goroutines) View() []*metrics.View {
return []*metrics.View{
&metrics.View{
Name: "goroutine_count",
Description: "number of goroutines",
Measure: &g.count,
Aggregation: metrics.LastValue(),
},
}
}