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hugetlb.go
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hugetlb.go
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// +build linux
/*
Copyright The containerd Authors.
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 v1
import (
v1 "github.com/containerd/containerd/metrics/types/v1"
metrics "github.com/docker/go-metrics"
"github.com/prometheus/client_golang/prometheus"
)
var hugetlbMetrics = []*metric{
{
name: "hugetlb_usage",
help: "The hugetlb usage",
unit: metrics.Bytes,
vt: prometheus.GaugeValue,
labels: []string{"page"},
getValues: func(stats *v1.Metrics) []value {
if stats.Hugetlb == nil {
return nil
}
var out []value
for _, v := range stats.Hugetlb {
out = append(out, value{
v: float64(v.Usage),
l: []string{v.Pagesize},
})
}
return out
},
},
{
name: "hugetlb_failcnt",
help: "The hugetlb failcnt",
unit: metrics.Total,
vt: prometheus.GaugeValue,
labels: []string{"page"},
getValues: func(stats *v1.Metrics) []value {
if stats.Hugetlb == nil {
return nil
}
var out []value
for _, v := range stats.Hugetlb {
out = append(out, value{
v: float64(v.Failcnt),
l: []string{v.Pagesize},
})
}
return out
},
},
{
name: "hugetlb_max",
help: "The hugetlb maximum usage",
unit: metrics.Bytes,
vt: prometheus.GaugeValue,
labels: []string{"page"},
getValues: func(stats *v1.Metrics) []value {
if stats.Hugetlb == nil {
return nil
}
var out []value
for _, v := range stats.Hugetlb {
out = append(out, value{
v: float64(v.Max),
l: []string{v.Pagesize},
})
}
return out
},
},
}