kubernetes/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/hugetlb.go
Kir Kolyshkin eb5df869ba vendor: bump runc to 1.0.1
The commands used were (roughly):

	hack/pin-dependency.sh github.com/opencontainers/runc v1.0.1
	hack/lint-dependencies.sh
	# Follow its recommendations.
	hack/pin-dependency.sh github.com/cilium/ebpf v0.6.2
	hack/pin-dependency.sh github.com/opencontainers/selinux v1.8.2
	hack/pin-dependency.sh github.com/sirupsen/logrus v1.8.1
	# Recheck.
	hack/lint-dependencies.sh
	GO111MODULE=on go mod edit -dropreplace github.com/willf/bitset
	hack/update-vendor.sh
	# Recheck.
	hack/lint-dependencies.sh
	hack/update-internal-modules.sh
	# Recheck.
	hack/lint-dependencies.sh

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
2021-07-16 12:36:26 -07:00

66 lines
1.6 KiB
Go

// +build linux
package fs
import (
"fmt"
"strconv"
"github.com/opencontainers/runc/libcontainer/cgroups"
"github.com/opencontainers/runc/libcontainer/cgroups/fscommon"
"github.com/opencontainers/runc/libcontainer/configs"
)
type HugetlbGroup struct{}
func (s *HugetlbGroup) Name() string {
return "hugetlb"
}
func (s *HugetlbGroup) Apply(path string, d *cgroupData) error {
return join(path, d.pid)
}
func (s *HugetlbGroup) Set(path string, r *configs.Resources) error {
for _, hugetlb := range r.HugetlbLimit {
if err := cgroups.WriteFile(path, "hugetlb."+hugetlb.Pagesize+".limit_in_bytes", strconv.FormatUint(hugetlb.Limit, 10)); err != nil {
return err
}
}
return nil
}
func (s *HugetlbGroup) GetStats(path string, stats *cgroups.Stats) error {
hugetlbStats := cgroups.HugetlbStats{}
if !cgroups.PathExists(path) {
return nil
}
for _, pageSize := range HugePageSizes {
usage := "hugetlb." + pageSize + ".usage_in_bytes"
value, err := fscommon.GetCgroupParamUint(path, usage)
if err != nil {
return fmt.Errorf("failed to parse %s - %v", usage, err)
}
hugetlbStats.Usage = value
maxUsage := "hugetlb." + pageSize + ".max_usage_in_bytes"
value, err = fscommon.GetCgroupParamUint(path, maxUsage)
if err != nil {
return fmt.Errorf("failed to parse %s - %v", maxUsage, err)
}
hugetlbStats.MaxUsage = value
failcnt := "hugetlb." + pageSize + ".failcnt"
value, err = fscommon.GetCgroupParamUint(path, failcnt)
if err != nil {
return fmt.Errorf("failed to parse %s - %v", failcnt, err)
}
hugetlbStats.Failcnt = value
stats.HugetlbStats[pageSize] = hugetlbStats
}
return nil
}