github.com/containerd/Containerd@v1.4.13/metrics/cgroups/v1/hugetlb.go (about)

     1  // +build linux
     2  
     3  /*
     4     Copyright The containerd Authors.
     5  
     6     Licensed under the Apache License, Version 2.0 (the "License");
     7     you may not use this file except in compliance with the License.
     8     You may obtain a copy of the License at
     9  
    10         http://www.apache.org/licenses/LICENSE-2.0
    11  
    12     Unless required by applicable law or agreed to in writing, software
    13     distributed under the License is distributed on an "AS IS" BASIS,
    14     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15     See the License for the specific language governing permissions and
    16     limitations under the License.
    17  */
    18  
    19  package v1
    20  
    21  import (
    22  	v1 "github.com/containerd/containerd/metrics/types/v1"
    23  	metrics "github.com/docker/go-metrics"
    24  	"github.com/prometheus/client_golang/prometheus"
    25  )
    26  
    27  var hugetlbMetrics = []*metric{
    28  	{
    29  		name:   "hugetlb_usage",
    30  		help:   "The hugetlb usage",
    31  		unit:   metrics.Bytes,
    32  		vt:     prometheus.GaugeValue,
    33  		labels: []string{"page"},
    34  		getValues: func(stats *v1.Metrics) []value {
    35  			if stats.Hugetlb == nil {
    36  				return nil
    37  			}
    38  			var out []value
    39  			for _, v := range stats.Hugetlb {
    40  				out = append(out, value{
    41  					v: float64(v.Usage),
    42  					l: []string{v.Pagesize},
    43  				})
    44  			}
    45  			return out
    46  		},
    47  	},
    48  	{
    49  		name:   "hugetlb_failcnt",
    50  		help:   "The hugetlb failcnt",
    51  		unit:   metrics.Total,
    52  		vt:     prometheus.GaugeValue,
    53  		labels: []string{"page"},
    54  		getValues: func(stats *v1.Metrics) []value {
    55  			if stats.Hugetlb == nil {
    56  				return nil
    57  			}
    58  			var out []value
    59  			for _, v := range stats.Hugetlb {
    60  				out = append(out, value{
    61  					v: float64(v.Failcnt),
    62  					l: []string{v.Pagesize},
    63  				})
    64  			}
    65  			return out
    66  		},
    67  	},
    68  	{
    69  		name:   "hugetlb_max",
    70  		help:   "The hugetlb maximum usage",
    71  		unit:   metrics.Bytes,
    72  		vt:     prometheus.GaugeValue,
    73  		labels: []string{"page"},
    74  		getValues: func(stats *v1.Metrics) []value {
    75  			if stats.Hugetlb == nil {
    76  				return nil
    77  			}
    78  			var out []value
    79  			for _, v := range stats.Hugetlb {
    80  				out = append(out, value{
    81  					v: float64(v.Max),
    82  					l: []string{v.Pagesize},
    83  				})
    84  			}
    85  			return out
    86  		},
    87  	},
    88  }