diff options
Diffstat (limited to 'vendor/github.com/containerd/cgroups/cpu.go')
-rw-r--r-- | vendor/github.com/containerd/cgroups/cpu.go | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/vendor/github.com/containerd/cgroups/cpu.go b/vendor/github.com/containerd/cgroups/cpu.go deleted file mode 100644 index 431cd3e51..000000000 --- a/vendor/github.com/containerd/cgroups/cpu.go +++ /dev/null @@ -1,129 +0,0 @@ -/* - 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 cgroups - -import ( - "bufio" - "fmt" - "io/ioutil" - "os" - "path/filepath" - "strconv" - - specs "github.com/opencontainers/runtime-spec/specs-go" -) - -func NewCpu(root string) *cpuController { - return &cpuController{ - root: filepath.Join(root, string(Cpu)), - } -} - -type cpuController struct { - root string -} - -func (c *cpuController) Name() Name { - return Cpu -} - -func (c *cpuController) Path(path string) string { - return filepath.Join(c.root, path) -} - -func (c *cpuController) Create(path string, resources *specs.LinuxResources) error { - if err := os.MkdirAll(c.Path(path), defaultDirPerm); err != nil { - return err - } - if cpu := resources.CPU; cpu != nil { - for _, t := range []struct { - name string - ivalue *int64 - uvalue *uint64 - }{ - { - name: "rt_period_us", - uvalue: cpu.RealtimePeriod, - }, - { - name: "rt_runtime_us", - ivalue: cpu.RealtimeRuntime, - }, - { - name: "shares", - uvalue: cpu.Shares, - }, - { - name: "cfs_period_us", - uvalue: cpu.Period, - }, - { - name: "cfs_quota_us", - ivalue: cpu.Quota, - }, - } { - var value []byte - if t.uvalue != nil { - value = []byte(strconv.FormatUint(*t.uvalue, 10)) - } else if t.ivalue != nil { - value = []byte(strconv.FormatInt(*t.ivalue, 10)) - } - if value != nil { - if err := ioutil.WriteFile( - filepath.Join(c.Path(path), fmt.Sprintf("cpu.%s", t.name)), - value, - defaultFilePerm, - ); err != nil { - return err - } - } - } - } - return nil -} - -func (c *cpuController) Update(path string, resources *specs.LinuxResources) error { - return c.Create(path, resources) -} - -func (c *cpuController) Stat(path string, stats *Metrics) error { - f, err := os.Open(filepath.Join(c.Path(path), "cpu.stat")) - if err != nil { - return err - } - defer f.Close() - // get or create the cpu field because cpuacct can also set values on this struct - sc := bufio.NewScanner(f) - for sc.Scan() { - if err := sc.Err(); err != nil { - return err - } - key, v, err := parseKV(sc.Text()) - if err != nil { - return err - } - switch key { - case "nr_periods": - stats.CPU.Throttling.Periods = v - case "nr_throttled": - stats.CPU.Throttling.ThrottledPeriods = v - case "throttled_time": - stats.CPU.Throttling.ThrottledTime = v - } - } - return nil -} |