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gotosocial/vendor/github.com/containerd/cgroups/v2/cpu.go

84 lines
1.7 KiB
Go

/*
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 v2
import (
"math"
"strconv"
"strings"
)
type CPUMax string
func NewCPUMax(quota *int64, period *uint64) CPUMax {
max := "max"
if quota != nil {
max = strconv.FormatInt(*quota, 10)
}
return CPUMax(strings.Join([]string{max, strconv.FormatUint(*period, 10)}, " "))
}
type CPU struct {
Weight *uint64
Max CPUMax
Cpus string
Mems string
}
func (c CPUMax) extractQuotaAndPeriod() (int64, uint64) {
var (
quota int64
period uint64
)
values := strings.Split(string(c), " ")
if values[0] == "max" {
quota = math.MaxInt64
} else {
quota, _ = strconv.ParseInt(values[0], 10, 64)
}
period, _ = strconv.ParseUint(values[1], 10, 64)
return quota, period
}
func (r *CPU) Values() (o []Value) {
if r.Weight != nil {
o = append(o, Value{
filename: "cpu.weight",
value: *r.Weight,
})
}
if r.Max != "" {
o = append(o, Value{
filename: "cpu.max",
value: r.Max,
})
}
if r.Cpus != "" {
o = append(o, Value{
filename: "cpuset.cpus",
value: r.Cpus,
})
}
if r.Mems != "" {
o = append(o, Value{
filename: "cpuset.mems",
value: r.Mems,
})
}
return o
}