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Merge pull request #2297 from giuseppe/cgroups-use-newstats 

libcontainer: use cgroups.NewStats
This commit is contained in:
Michael Crosby 2020-04-07 10:13:12 -04:00 committed by GitHub
parent d5e91b1c22 8b7ac5f4a5
commit a4bbc39d93
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 10 deletions
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22
libcontainer/cgroups/fs2/fs2.go
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@ -93,47 +93,49 @@ func (m *manager) GetAllPids() ([]int, error) {
func (m *manager) GetStats() (*cgroups.Stats, error) {
var (
st cgroups.Stats
errs []error
)
st := cgroups.NewStats()
// pids (since kernel 4.5)
if _, ok := m.controllers["pids"]; ok {
if err := statPids(m.dirPath, &st); err != nil {
if err := statPids(m.dirPath, st); err != nil {
errs = append(errs, err)
}
} else {
if err := statPidsWithoutController(m.dirPath, &st); err != nil {
if err := statPidsWithoutController(m.dirPath, st); err != nil {
errs = append(errs, err)
}
}
// memory (since kenrel 4.5)
// memory (since kernel 4.5)
if _, ok := m.controllers["memory"]; ok {
if err := statMemory(m.dirPath, &st); err != nil {
if err := statMemory(m.dirPath, st); err != nil {
errs = append(errs, err)
}
}
// io (since kernel 4.5)
if _, ok := m.controllers["io"]; ok {
if err := statIo(m.dirPath, &st); err != nil {
if err := statIo(m.dirPath, st); err != nil {
errs = append(errs, err)
}
}
// cpu (since kernel 4.15)
if _, ok := m.controllers["cpu"]; ok {
if err := statCpu(m.dirPath, &st); err != nil {
if err := statCpu(m.dirPath, st); err != nil {
errs = append(errs, err)
}
}
// hugetlb (since kernel 5.6)
if _, ok := m.controllers["hugetlb"]; ok {
if err := statHugeTlb(m.dirPath, &st); err != nil {
if err := statHugeTlb(m.dirPath, st); err != nil {
errs = append(errs, err)
}
}
if len(errs) > 0 && !m.rootless {
return &st, errors.Errorf("error while statting cgroup v2: %+v", errs)
return st, errors.Errorf("error while statting cgroup v2: %+v", errs)
}
return &st, nil
return st, nil
}
func (m *manager) Freeze(state configs.FreezerState) error {