)

func TestFSGroupMount(t *testing.T) {
	tmpDir, plug := getPlugin(t)
	defer os.RemoveAll(tmpDir)
	info, err := os.Stat(tmpDir)
	if err != nil {
		t.Errorf("Error getting stats for %s (%v)", tmpDir, err)
	}
	s := info.Sys().(*syscall.Stat_t)
	if s == nil {
		t.Fatalf("Error getting stats for %s (%v)", tmpDir, err)
	}
	fsGroup1 := int64(s.Gid)
	fsGroup2 := fsGroup1 + 1

limitations under the License.
*/

package stats

import (
	"context"
	"fmt"

	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/types"
	internalapi "k8s.io/cri-api/pkg/apis"
	statsapi "k8s.io/kubelet/pkg/apis/stats/v1alpha1"
	"k8s.io/kubernetes/pkg/kubelet/cadvisor"
	kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
	"k8s.io/kubernetes/pkg/kubelet/server/stats"

)

func loadProcStatMetrics(ctx context.Context, stat procfs.ProcStat, m MetricValues) {
	if stat.CPUTime() > 0 {
		m.Set(processCPUTotalSeconds, float64(stat.CPUTime()))
	}

	if stat.ResidentMemory() > 0 {
		m.Set(processResidentMemoryBytes, float64(stat.ResidentMemory()))
	}

	if stat.VirtualMemory() > 0 {
		m.Set(processVirtualMemoryBytes, float64(stat.VirtualMemory()))
	}

	startTime, err := stat.StartTime()

// HostStatsProvider defines an interface for providing host stats associated with pod.
type HostStatsProvider interface {
	// getPodLogStats gets stats associated with pod log usage
	getPodLogStats(podNamespace, podName string, podUID types.UID, rootFsInfo *cadvisorapiv2.FsInfo) (*statsapi.FsStats, error)
	// getPodContainerLogStats gets stats associated with container log usage

	f.nchunk = 0
	f.nalloc = uint32(_FixAllocChunk / size * size) // Round _FixAllocChunk down to an exact multiple of size to eliminate tail waste
	f.inuse = 0
	f.stat = stat
	f.zero = true
}

func (f *fixalloc) alloc() unsafe.Pointer {
	if f.size == 0 {
		print("runtime: use of FixAlloc_Alloc before FixAlloc_Init\n")
		throw("runtime: internal error")
	}

	if f.list != nil {
		v := unsafe.Pointer(f.list)
		f.list = f.list.next

	statsapi "k8s.io/kubelet/pkg/apis/stats/v1alpha1"
	evictionapi "k8s.io/kubernetes/pkg/kubelet/eviction/api"
)

// fsStatsType defines the types of filesystem stats to collect.
type fsStatsType string

const (
	// fsStatsLocalVolumeSource identifies stats for pod local volume sources.
	fsStatsLocalVolumeSource fsStatsType = "localVolumeSource"
	// fsStatsLogs identifies stats for pod logs.
	fsStatsLogs fsStatsType = "logs"

	defer list.statLock.Unlock()

	stats, ok := list.targetStats[id]
	if !ok {
		// should not happen
		return
	}

	stats.currentSendCalls--
	list.targetStats[id] = stats
	return
}

func (list *TargetList) incFailedEvents(id TargetID) {
	list.statLock.Lock()
	defer list.statLock.Unlock()

	stats, ok := list.targetStats[id]
	if !ok {
		stats = targetStat{}
	}

}

void TF_FileStat(const char* filename, TF_FileStatistics* stats,
                 TF_Status* status) {
  ::tensorflow::FileStatistics cc_stats;
  TF_SetStatus(status, TF_OK, "");
  ::tensorflow::Status s =
      ::tensorflow::Env::Default()->Stat(filename, &cc_stats);
  ::tensorflow::Set_TF_Status_from_Status(status, s);
  if (s.ok()) {
    stats->length = cc_stats.length;
    stats->mtime_nsec = cc_stats.mtime_nsec;

	Used       uint64
	Files      uint64
	Ffree      uint64
	FSType     string
	Major      uint32
	Minor      uint32
	Name       string
	Rotational *bool
	NRRequests uint64
}

// IOStats contains stats of a single drive
type IOStats struct {
	ReadIOs        uint64
	ReadMerges     uint64
	ReadSectors    uint64
	ReadTicks      uint64
	WriteIOs       uint64
	WriteMerges    uint64
	WriteSectors   uint64

//
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa364937(v=vs.85).aspx
func GetInfo(path string, _ bool) (info Info, err error) {
	// Stat to know if the path exists.
	if _, err = os.Stat(path); err != nil {
		return Info{}, err
	}

	lpFreeBytesAvailable := int64(0)
	lpTotalNumberOfBytes := int64(0)
	lpTotalNumberOfFreeBytes := int64(0)

	// Extract values safely