diff options
Diffstat (limited to 'vendor/github.com/opencontainers/runc/libcontainer/cgroups/utils.go')
| -rw-r--r-- | vendor/github.com/opencontainers/runc/libcontainer/cgroups/utils.go | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/vendor/github.com/opencontainers/runc/libcontainer/cgroups/utils.go b/vendor/github.com/opencontainers/runc/libcontainer/cgroups/utils.go index 840817e39..35ce2c1c2 100644 --- a/vendor/github.com/opencontainers/runc/libcontainer/cgroups/utils.go +++ b/vendor/github.com/opencontainers/runc/libcontainer/cgroups/utils.go @@ -16,7 +16,7 @@ import ( "time" "github.com/opencontainers/runc/libcontainer/cgroups/fscommon" - "github.com/opencontainers/runc/libcontainer/system" + "github.com/opencontainers/runc/libcontainer/userns" "github.com/sirupsen/logrus" "golang.org/x/sys/unix" ) @@ -37,7 +37,7 @@ func IsCgroup2UnifiedMode() bool { var st unix.Statfs_t err := unix.Statfs(unifiedMountpoint, &st) if err != nil { - if os.IsNotExist(err) && system.RunningInUserNS() { + if os.IsNotExist(err) && userns.RunningInUserNS() { // ignore the "not found" error if running in userns logrus.WithError(err).Debugf("%s missing, assuming cgroup v1", unifiedMountpoint) isUnified = false @@ -402,17 +402,6 @@ func WriteCgroupProc(dir string, pid int) error { // Since the OCI spec is designed for cgroup v1, in some cases // there is need to convert from the cgroup v1 configuration to cgroup v2 -// the formula for BlkIOWeight is y = (1 + (x - 10) * 9999 / 990) -// convert linearly from [10-1000] to [1-10000] -func ConvertBlkIOToCgroupV2Value(blkIoWeight uint16) uint64 { - if blkIoWeight == 0 { - return 0 - } - return uint64(1 + (uint64(blkIoWeight)-10)*9999/990) -} - -// Since the OCI spec is designed for cgroup v1, in some cases -// there is need to convert from the cgroup v1 configuration to cgroup v2 // the formula for cpuShares is y = (1 + ((x - 2) * 9999) / 262142) // convert from [2-262144] to [1-10000] // 262144 comes from Linux kernel definition "#define MAX_SHARES (1UL << 18)" @@ -450,3 +439,14 @@ func ConvertMemorySwapToCgroupV2Value(memorySwap, memory int64) (int64, error) { return memorySwap - memory, nil } + +// Since the OCI spec is designed for cgroup v1, in some cases +// there is need to convert from the cgroup v1 configuration to cgroup v2 +// the formula for BlkIOWeight to IOWeight is y = (1 + (x - 10) * 9999 / 990) +// convert linearly from [10-1000] to [1-10000] +func ConvertBlkIOToIOWeightValue(blkIoWeight uint16) uint64 { + if blkIoWeight == 0 { + return 0 + } + return uint64(1 + (uint64(blkIoWeight)-10)*9999/990) +} |