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Diffstat (limited to 'kube2msb/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/hugetlb.go')
-rw-r--r--kube2msb/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/hugetlb.go71
1 files changed, 71 insertions, 0 deletions
diff --git a/kube2msb/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/hugetlb.go b/kube2msb/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/hugetlb.go
new file mode 100644
index 0000000..2f97277
--- /dev/null
+++ b/kube2msb/src/kube2msb/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs/hugetlb.go
@@ -0,0 +1,71 @@
+// +build linux
+
+package fs
+
+import (
+ "fmt"
+ "strconv"
+ "strings"
+
+ "github.com/opencontainers/runc/libcontainer/cgroups"
+ "github.com/opencontainers/runc/libcontainer/configs"
+)
+
+type HugetlbGroup struct {
+}
+
+func (s *HugetlbGroup) Name() string {
+ return "hugetlb"
+}
+
+func (s *HugetlbGroup) Apply(d *cgroupData) error {
+ _, err := d.join("hugetlb")
+ if err != nil && !cgroups.IsNotFound(err) {
+ return err
+ }
+ return nil
+}
+
+func (s *HugetlbGroup) Set(path string, cgroup *configs.Cgroup) error {
+ for _, hugetlb := range cgroup.Resources.HugetlbLimit {
+ if err := writeFile(path, strings.Join([]string{"hugetlb", hugetlb.Pagesize, "limit_in_bytes"}, "."), strconv.FormatUint(hugetlb.Limit, 10)); err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
+
+func (s *HugetlbGroup) Remove(d *cgroupData) error {
+ return removePath(d.path("hugetlb"))
+}
+
+func (s *HugetlbGroup) GetStats(path string, stats *cgroups.Stats) error {
+ hugetlbStats := cgroups.HugetlbStats{}
+ for _, pageSize := range HugePageSizes {
+ usage := strings.Join([]string{"hugetlb", pageSize, "usage_in_bytes"}, ".")
+ value, err := getCgroupParamUint(path, usage)
+ if err != nil {
+ return fmt.Errorf("failed to parse %s - %v", usage, err)
+ }
+ hugetlbStats.Usage = value
+
+ maxUsage := strings.Join([]string{"hugetlb", pageSize, "max_usage_in_bytes"}, ".")
+ value, err = getCgroupParamUint(path, maxUsage)
+ if err != nil {
+ return fmt.Errorf("failed to parse %s - %v", maxUsage, err)
+ }
+ hugetlbStats.MaxUsage = value
+
+ failcnt := strings.Join([]string{"hugetlb", pageSize, "failcnt"}, ".")
+ value, err = 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
+}