diff options
Diffstat (limited to 'vendor/github.com/containerd/cgroups/hugetlb.go')
-rw-r--r-- | vendor/github.com/containerd/cgroups/hugetlb.go | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/vendor/github.com/containerd/cgroups/hugetlb.go b/vendor/github.com/containerd/cgroups/hugetlb.go deleted file mode 100644 index 3718706d7..000000000 --- a/vendor/github.com/containerd/cgroups/hugetlb.go +++ /dev/null @@ -1,109 +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 ( - "io/ioutil" - "os" - "path/filepath" - "strconv" - "strings" - - specs "github.com/opencontainers/runtime-spec/specs-go" -) - -func NewHugetlb(root string) (*hugetlbController, error) { - sizes, err := hugePageSizes() - if err != nil { - return nil, err - } - - return &hugetlbController{ - root: filepath.Join(root, string(Hugetlb)), - sizes: sizes, - }, nil -} - -type hugetlbController struct { - root string - sizes []string -} - -func (h *hugetlbController) Name() Name { - return Hugetlb -} - -func (h *hugetlbController) Path(path string) string { - return filepath.Join(h.root, path) -} - -func (h *hugetlbController) Create(path string, resources *specs.LinuxResources) error { - if err := os.MkdirAll(h.Path(path), defaultDirPerm); err != nil { - return err - } - for _, limit := range resources.HugepageLimits { - if err := ioutil.WriteFile( - filepath.Join(h.Path(path), strings.Join([]string{"hugetlb", limit.Pagesize, "limit_in_bytes"}, ".")), - []byte(strconv.FormatUint(limit.Limit, 10)), - defaultFilePerm, - ); err != nil { - return err - } - } - return nil -} - -func (h *hugetlbController) Stat(path string, stats *Metrics) error { - for _, size := range h.sizes { - s, err := h.readSizeStat(path, size) - if err != nil { - return err - } - stats.Hugetlb = append(stats.Hugetlb, s) - } - return nil -} - -func (h *hugetlbController) readSizeStat(path, size string) (*HugetlbStat, error) { - s := HugetlbStat{ - Pagesize: size, - } - for _, t := range []struct { - name string - value *uint64 - }{ - { - name: "usage_in_bytes", - value: &s.Usage, - }, - { - name: "max_usage_in_bytes", - value: &s.Max, - }, - { - name: "failcnt", - value: &s.Failcnt, - }, - } { - v, err := readUint(filepath.Join(h.Path(path), strings.Join([]string{"hugetlb", size, t.name}, "."))) - if err != nil { - return nil, err - } - *t.value = v - } - return &s, nil -} |