bump containerd/cgroups c4b9ac5c7601384c965b9646fc515884e091ebb9

full diff:  github.com/containerd/cgroups https://github.com/containerd/cgroups/compare/4994991857f9b0ae8dc439551e8bebdbb4bf66c1...c4b9ac5c7601384c965b9646fc515884e091ebb9

changes included:

  - containerd/cgroups#81 Add network stats
    - addresses containerd/cgroups#80 Add network metrics
  - containerd/cgroups#85 Fix cgroup hugetlb size prefix for kB
    - addresses kubernetes/kubernetes#77169 Permission denied on hugetlb due to wrong filename
    - relates to opencontainers/runc#2065 Fix cgroup hugetlb size prefix for kB
  - containerd/cgroups#88 cgroups: fix MoveTo function fail problem
  - containerd/cgroups#92 fixed an issue with invalid soft memory limits
  - containerd/cgroups#93 avoid adding io_serviced and io_service_bytes duplicately
    - fixes containerd/containerd#3412 collected metric container_blkio_io_serviced_recursive_total: was collected before with the same name and label values

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor.conf

@@ -120,7 +120,7 @@ google.golang.org/genproto                          694d95ba50e67b2e363f3483057d
 github.com/containerd/containerd                    36cf5b690dcc00ff0f34ff7799209050c3d0c59a # v1.3.0
 github.com/containerd/fifo                          a9fb20d87448d386e6d50b1f2e1fa70dcf0de43c
 github.com/containerd/continuity                    aaeac12a7ffcd198ae25440a9dff125c2e2703a7
-github.com/containerd/cgroups                       4994991857f9b0ae8dc439551e8bebdbb4bf66c1
+github.com/containerd/cgroups                       c4b9ac5c7601384c965b9646fc515884e091ebb9
 github.com/containerd/console                       0650fd9eeb50bab4fc99dceb9f2e14cf58f36e7f
 github.com/containerd/go-runc                       e029b79d8cda8374981c64eba71f28ec38e5526f
 github.com/containerd/typeurl                       2a93cfde8c20b23de8eb84a5adbc234ddf7a9e8d

vendor/github.com/containerd/cgroups/blkio.go

@@ -86,6 +86,7 @@ func (b *blkioController) Stat(path string, stats *Metrics) error {
 	}
 	// Try to read CFQ stats available on all CFQ enabled kernels first
 	if _, err := os.Lstat(filepath.Join(b.Path(path), fmt.Sprintf("blkio.io_serviced_recursive"))); err == nil {
+		settings = []blkioStatSettings{}
 		settings = append(settings,
 			blkioStatSettings{
 				name:  "sectors_recursive",

vendor/github.com/containerd/cgroups/cgroup.go

@@ -497,6 +497,9 @@ func (c *cgroup) MoveTo(destination Cgroup) error {
 		}
 		for _, p := range processes {
 			if err := destination.Add(p); err != nil {
+				if strings.Contains(err.Error(), "no such process") {
+					continue
+				}
 				return err
 			}
 		}

vendor/github.com/containerd/cgroups/memory.go

@@ -281,6 +281,10 @@ func getMemorySettings(resources *specs.LinuxResources) []memorySettings {
 			name:  "limit_in_bytes",
 			value: mem.Limit,
 		},
+		{
+			name: "soft_limit_in_bytes",
+			value: mem.Reservation,
+		},
 		{
 			name:  "memsw.limit_in_bytes",
 			value: mem.Swap,

vendor/github.com/containerd/cgroups/metrics.pb.go

@@ -1,6 +1,5 @@
-// Code generated by protoc-gen-gogo.
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
 // source: github.com/containerd/cgroups/metrics.proto
-// DO NOT EDIT!
 
 /*
 	Package cgroups is a generated protocol buffer package.
@@ -21,6 +20,7 @@
 		BlkIOEntry
 		RdmaStat
 		RdmaEntry
+		NetworkStat
 */
 package cgroups
 
@@ -52,6 +52,7 @@ type Metrics struct {
 	Memory  *MemoryStat    `protobuf:"bytes,4,opt,name=memory" json:"memory,omitempty"`
 	Blkio   *BlkIOStat     `protobuf:"bytes,5,opt,name=blkio" json:"blkio,omitempty"`
 	Rdma    *RdmaStat      `protobuf:"bytes,6,opt,name=rdma" json:"rdma,omitempty"`
+	Network []*NetworkStat `protobuf:"bytes,7,rep,name=network" json:"network,omitempty"`
 }
 
 func (m *Metrics) Reset()                    { *m = Metrics{} }
@@ -209,6 +210,22 @@ func (m *RdmaEntry) Reset()                    { *m = RdmaEntry{} }
 func (*RdmaEntry) ProtoMessage()               {}
 func (*RdmaEntry) Descriptor() ([]byte, []int) { return fileDescriptorMetrics, []int{11} }
 
+type NetworkStat struct {
+	Name      string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	RxBytes   uint64 `protobuf:"varint,2,opt,name=rx_bytes,json=rxBytes,proto3" json:"rx_bytes,omitempty"`
+	RxPackets uint64 `protobuf:"varint,3,opt,name=rx_packets,json=rxPackets,proto3" json:"rx_packets,omitempty"`
+	RxErrors  uint64 `protobuf:"varint,4,opt,name=rx_errors,json=rxErrors,proto3" json:"rx_errors,omitempty"`
+	RxDropped uint64 `protobuf:"varint,5,opt,name=rx_dropped,json=rxDropped,proto3" json:"rx_dropped,omitempty"`
+	TxBytes   uint64 `protobuf:"varint,6,opt,name=tx_bytes,json=txBytes,proto3" json:"tx_bytes,omitempty"`
+	TxPackets uint64 `protobuf:"varint,7,opt,name=tx_packets,json=txPackets,proto3" json:"tx_packets,omitempty"`
+	TxErrors  uint64 `protobuf:"varint,8,opt,name=tx_errors,json=txErrors,proto3" json:"tx_errors,omitempty"`
+	TxDropped uint64 `protobuf:"varint,9,opt,name=tx_dropped,json=txDropped,proto3" json:"tx_dropped,omitempty"`
+}
+
+func (m *NetworkStat) Reset()                    { *m = NetworkStat{} }
+func (*NetworkStat) ProtoMessage()               {}
+func (*NetworkStat) Descriptor() ([]byte, []int) { return fileDescriptorMetrics, []int{12} }
+
 func init() {
 	proto.RegisterType((*Metrics)(nil), "io.containerd.cgroups.v1.Metrics")
 	proto.RegisterType((*HugetlbStat)(nil), "io.containerd.cgroups.v1.HugetlbStat")
@@ -222,6 +239,7 @@ func init() {
 	proto.RegisterType((*BlkIOEntry)(nil), "io.containerd.cgroups.v1.BlkIOEntry")
 	proto.RegisterType((*RdmaStat)(nil), "io.containerd.cgroups.v1.RdmaStat")
 	proto.RegisterType((*RdmaEntry)(nil), "io.containerd.cgroups.v1.RdmaEntry")
+	proto.RegisterType((*NetworkStat)(nil), "io.containerd.cgroups.v1.NetworkStat")
 }
 func (m *Metrics) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
@@ -300,6 +318,18 @@ func (m *Metrics) MarshalTo(dAtA []byte) (int, error) {
 		}
 		i += n5
 	}
+	if len(m.Network) > 0 {
+		for _, msg := range m.Network {
+			dAtA[i] = 0x3a
+			i++
+			i = encodeVarintMetrics(dAtA, i, uint64(msg.Size()))
+			n, err := msg.MarshalTo(dAtA[i:])
+			if err != nil {
+				return 0, err
+			}
+			i += n
+		}
+	}
 	return i, nil
 }
 
@@ -389,21 +419,21 @@ func (m *CPUStat) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintMetrics(dAtA, i, uint64(m.Usage.Size()))
-		n5, err := m.Usage.MarshalTo(dAtA[i:])
+		n6, err := m.Usage.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n5
+		i += n6
 	}
 	if m.Throttling != nil {
 		dAtA[i] = 0x12
 		i++
 		i = encodeVarintMetrics(dAtA, i, uint64(m.Throttling.Size()))
-		n6, err := m.Throttling.MarshalTo(dAtA[i:])
+		n7, err := m.Throttling.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n6
+		i += n7
 	}
 	return i, nil
 }
@@ -439,21 +469,21 @@ func (m *CPUUsage) MarshalTo(dAtA []byte) (int, error) {
 		i = encodeVarintMetrics(dAtA, i, uint64(m.User))
 	}
 	if len(m.PerCPU) > 0 {
-		dAtA8 := make([]byte, len(m.PerCPU)*10)
-		var j7 int
+		dAtA9 := make([]byte, len(m.PerCPU)*10)
+		var j8 int
 		for _, num := range m.PerCPU {
 			for num >= 1<<7 {
-				dAtA8[j7] = uint8(uint64(num)&0x7f | 0x80)
+				dAtA9[j8] = uint8(uint64(num)&0x7f | 0x80)
 				num >>= 7
-				j7++
+				j8++
 			}
-			dAtA8[j7] = uint8(num)
-			j7++
+			dAtA9[j8] = uint8(num)
+			j8++
 		}
 		dAtA[i] = 0x22
 		i++
-		i = encodeVarintMetrics(dAtA, i, uint64(j7))
-		i += copy(dAtA[i:], dAtA8[:j7])
+		i = encodeVarintMetrics(dAtA, i, uint64(j8))
+		i += copy(dAtA[i:], dAtA9[:j8])
 	}
 	return i, nil
 }
@@ -706,11 +736,11 @@ func (m *MemoryStat) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x2
 		i++
 		i = encodeVarintMetrics(dAtA, i, uint64(m.Usage.Size()))
-		n9, err := m.Usage.MarshalTo(dAtA[i:])
+		n10, err := m.Usage.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n9
+		i += n10
 	}
 	if m.Swap != nil {
 		dAtA[i] = 0x92
@@ -718,11 +748,11 @@ func (m *MemoryStat) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x2
 		i++
 		i = encodeVarintMetrics(dAtA, i, uint64(m.Swap.Size()))
-		n10, err := m.Swap.MarshalTo(dAtA[i:])
+		n11, err := m.Swap.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n10
+		i += n11
 	}
 	if m.Kernel != nil {
 		dAtA[i] = 0x9a
@@ -730,11 +760,11 @@ func (m *MemoryStat) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x2
 		i++
 		i = encodeVarintMetrics(dAtA, i, uint64(m.Kernel.Size()))
-		n11, err := m.Kernel.MarshalTo(dAtA[i:])
+		n12, err := m.Kernel.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n11
+		i += n12
 	}
 	if m.KernelTCP != nil {
 		dAtA[i] = 0xa2
@@ -742,11 +772,11 @@ func (m *MemoryStat) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x2
 		i++
 		i = encodeVarintMetrics(dAtA, i, uint64(m.KernelTCP.Size()))
-		n12, err := m.KernelTCP.MarshalTo(dAtA[i:])
+		n13, err := m.KernelTCP.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n12
+		i += n13
 	}
 	return i, nil
 }
@@ -766,7 +796,6 @@ func (m *MemoryEntry) MarshalTo(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
-
 	if m.Limit != 0 {
 		dAtA[i] = 0x8
 		i++
@@ -1025,24 +1054,70 @@ func (m *RdmaEntry) MarshalTo(dAtA []byte) (int, error) {
 	return i, nil
 }
 
-func encodeFixed64Metrics(dAtA []byte, offset int, v uint64) int {
-	dAtA[offset] = uint8(v)
-	dAtA[offset+1] = uint8(v >> 8)
-	dAtA[offset+2] = uint8(v >> 16)
-	dAtA[offset+3] = uint8(v >> 24)
-	dAtA[offset+4] = uint8(v >> 32)
-	dAtA[offset+5] = uint8(v >> 40)
-	dAtA[offset+6] = uint8(v >> 48)
-	dAtA[offset+7] = uint8(v >> 56)
-	return offset + 8
+func (m *NetworkStat) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
 }
-func encodeFixed32Metrics(dAtA []byte, offset int, v uint32) int {
-	dAtA[offset] = uint8(v)
-	dAtA[offset+1] = uint8(v >> 8)
-	dAtA[offset+2] = uint8(v >> 16)
-	dAtA[offset+3] = uint8(v >> 24)
-	return offset + 4
+
+func (m *NetworkStat) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	if m.RxBytes != 0 {
+		dAtA[i] = 0x10
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.RxBytes))
+	}
+	if m.RxPackets != 0 {
+		dAtA[i] = 0x18
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.RxPackets))
+	}
+	if m.RxErrors != 0 {
+		dAtA[i] = 0x20
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.RxErrors))
+	}
+	if m.RxDropped != 0 {
+		dAtA[i] = 0x28
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.RxDropped))
+	}
+	if m.TxBytes != 0 {
+		dAtA[i] = 0x30
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.TxBytes))
+	}
+	if m.TxPackets != 0 {
+		dAtA[i] = 0x38
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.TxPackets))
+	}
+	if m.TxErrors != 0 {
+		dAtA[i] = 0x40
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.TxErrors))
+	}
+	if m.TxDropped != 0 {
+		dAtA[i] = 0x48
+		i++
+		i = encodeVarintMetrics(dAtA, i, uint64(m.TxDropped))
+	}
+	return i, nil
 }
+
 func encodeVarintMetrics(dAtA []byte, offset int, v uint64) int {
 	for v >= 1<<7 {
 		dAtA[offset] = uint8(v&0x7f | 0x80)
@@ -1081,6 +1156,12 @@ func (m *Metrics) Size() (n int) {
 		l = m.Rdma.Size()
 		n += 1 + l + sovMetrics(uint64(l))
 	}
+	if len(m.Network) > 0 {
+		for _, e := range m.Network {
+			l = e.Size()
+			n += 1 + l + sovMetrics(uint64(l))
+		}
+	}
 	return n
 }
 
@@ -1413,6 +1494,40 @@ func (m *RdmaEntry) Size() (n int) {
 	return n
 }
 
+func (m *NetworkStat) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovMetrics(uint64(l))
+	}
+	if m.RxBytes != 0 {
+		n += 1 + sovMetrics(uint64(m.RxBytes))
+	}
+	if m.RxPackets != 0 {
+		n += 1 + sovMetrics(uint64(m.RxPackets))
+	}
+	if m.RxErrors != 0 {
+		n += 1 + sovMetrics(uint64(m.RxErrors))
+	}
+	if m.RxDropped != 0 {
+		n += 1 + sovMetrics(uint64(m.RxDropped))
+	}
+	if m.TxBytes != 0 {
+		n += 1 + sovMetrics(uint64(m.TxBytes))
+	}
+	if m.TxPackets != 0 {
+		n += 1 + sovMetrics(uint64(m.TxPackets))
+	}
+	if m.TxErrors != 0 {
+		n += 1 + sovMetrics(uint64(m.TxErrors))
+	}
+	if m.TxDropped != 0 {
+		n += 1 + sovMetrics(uint64(m.TxDropped))
+	}
+	return n
+}
+
 func sovMetrics(x uint64) (n int) {
 	for {
 		n++
@@ -1437,6 +1552,7 @@ func (this *Metrics) String() string {
 		`Memory:` + strings.Replace(fmt.Sprintf("%v", this.Memory), "MemoryStat", "MemoryStat", 1) + `,`,
 		`Blkio:` + strings.Replace(fmt.Sprintf("%v", this.Blkio), "BlkIOStat", "BlkIOStat", 1) + `,`,
 		`Rdma:` + strings.Replace(fmt.Sprintf("%v", this.Rdma), "RdmaStat", "RdmaStat", 1) + `,`,
+		`Network:` + strings.Replace(fmt.Sprintf("%v", this.Network), "NetworkStat", "NetworkStat", 1) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -1613,6 +1729,24 @@ func (this *RdmaEntry) String() string {
 	}, "")
 	return s
 }
+func (this *NetworkStat) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&NetworkStat{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`RxBytes:` + fmt.Sprintf("%v", this.RxBytes) + `,`,
+		`RxPackets:` + fmt.Sprintf("%v", this.RxPackets) + `,`,
+		`RxErrors:` + fmt.Sprintf("%v", this.RxErrors) + `,`,
+		`RxDropped:` + fmt.Sprintf("%v", this.RxDropped) + `,`,
+		`TxBytes:` + fmt.Sprintf("%v", this.TxBytes) + `,`,
+		`TxPackets:` + fmt.Sprintf("%v", this.TxPackets) + `,`,
+		`TxErrors:` + fmt.Sprintf("%v", this.TxErrors) + `,`,
+		`TxDropped:` + fmt.Sprintf("%v", this.TxDropped) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func valueToStringMetrics(v interface{}) string {
 	rv := reflect.ValueOf(v)
 	if rv.IsNil() {
@@ -1624,7 +1758,6 @@ func valueToStringMetrics(v interface{}) string {
 func (m *Metrics) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
-
 	for iNdEx < l {
 		preIndex := iNdEx
 		var wire uint64
@@ -1847,6 +1980,37 @@ func (m *Metrics) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Network", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Network = append(m.Network, &NetworkStat{})
+			if err := m.Network[len(m.Network)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipMetrics(dAtA[iNdEx:])
@@ -4092,7 +4256,237 @@ func (m *RdmaEntry) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *NetworkStat) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowMetrics
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: NetworkStat: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: NetworkStat: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RxBytes", wireType)
+			}
+			m.RxBytes = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.RxBytes |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RxPackets", wireType)
+			}
+			m.RxPackets = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.RxPackets |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RxErrors", wireType)
+			}
+			m.RxErrors = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.RxErrors |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 5:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RxDropped", wireType)
+			}
+			m.RxDropped = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.RxDropped |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 6:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field TxBytes", wireType)
+			}
+			m.TxBytes = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.TxBytes |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 7:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field TxPackets", wireType)
+			}
+			m.TxPackets = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.TxPackets |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 8:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field TxErrors", wireType)
+			}
+			m.TxErrors = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.TxErrors |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 9:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field TxDropped", wireType)
+			}
+			m.TxDropped = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowMetrics
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.TxDropped |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipMetrics(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthMetrics
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
 
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipMetrics(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0
@@ -4201,88 +4595,102 @@ var (
 func init() { proto.RegisterFile("github.com/containerd/cgroups/metrics.proto", fileDescriptorMetrics) }
 
 var fileDescriptorMetrics = []byte{
-	// 1325 bytes of a gzipped FileDescriptorProto
+	// 1549 bytes of a gzipped FileDescriptorProto
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+	0x57, 0x1e, 0x6b, 0x1d, 0xa0, 0x59, 0x1d, 0x9d, 0xd7, 0xca, 0x4e, 0xbb, 0x2d, 0x6d, 0xe7, 0x94,
+	0x79, 0x14, 0xc9, 0x07, 0x54, 0x83, 0xea, 0x00, 0x87, 0x21, 0xe9, 0xba, 0x6f, 0x68, 0x5f, 0x3b,
+	0xa7, 0xe4, 0x80, 0x9e, 0x7a, 0x46, 0xfb, 0xaa, 0xd2, 0x5d, 0xca, 0xc5, 0x99, 0x3a, 0x5c, 0x25,
+	0x47, 0x0f, 0xd0, 0x2d, 0xb0, 0x4e, 0x39, 0x15, 0xa4, 0x83, 0xbd, 0x63, 0x75, 0x78, 0x4a, 0x4e,
+	0x3e, 0x81, 0x6c, 0xa8, 0x84, 0xbe, 0x1b, 0xfa, 0x2e, 0x0d, 0xec, 0xb2, 0x7e, 0x13, 0xa1, 0xdf,
+	0xf2, 0x5f, 0x04, 0x68, 0x15, 0x2c, 0xbd, 0xc2, 0x62, 0x61, 0x57, 0x92, 0x32, 0xfa, 0x2d, 0xff,
+	0x65, 0x2c, 0xd0, 0x8a, 0x62, 0xbd, 0xc1, 0x71, 0x5f, 0xd8, 0x56, 0xba, 0xf4, 0x4c, 0x0e, 0xd1,
+	0x3a, 0xcc, 0x86, 0xbe, 0x3b, 0xc0, 0x47, 0xc9, 0x32, 0xe8, 0x34, 0x43, 0x7f, 0x1f, 0x1f, 0x69,
+	0xc4, 0x06, 0xcc, 0xd1, 0x00, 0x7b, 0x82, 0x9e, 0x10, 0x17, 0x07, 0x2c, 0xb0, 0xab, 0x0a, 0x32,
+	0x9b, 0x4e, 0x3e, 0x0e, 0x58, 0x20, 0x37, 0x6b, 0x42, 0x66, 0xb5, 0x8a, 0x01, 0x30, 0x55, 0x54,
+	0x3d, 0xe6, 0xc6, 0x55, 0x54, 0x45, 0x72, 0x15, 0x05, 0x99, 0x37, 0x55, 0x14, 0x60, 0x1d, 0xaa,
+	0x71, 0x40, 0x4e, 0xa8, 0x27, 0x70, 0xa7, 0x4f, 0xec, 0xab, 0x0a, 0x60, 0x4e, 0xa1, 0x07, 0xb0,
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+	0x28, 0xfc, 0x0d, 0x13, 0xa0, 0x9d, 0xf0, 0x8d, 0x5c, 0x46, 0xf7, 0x60, 0x6c, 0xc9, 0x8d, 0x4e,
+	0x71, 0x98, 0x30, 0x17, 0x15, 0xf3, 0xba, 0xb9, 0xdc, 0x3e, 0xc5, 0xa1, 0xe6, 0xd5, 0xa0, 0xaa,
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+	0xb3, 0x29, 0x5e, 0x19, 0x6d, 0x36, 0xe5, 0x28, 0xb7, 0xfd, 0x17, 0x16, 0x35, 0xcf, 0xf4, 0xdc,
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+	0x89, 0xf2, 0xe0, 0xbf, 0x41, 0x73, 0xdc, 0xdc, 0x89, 0x37, 0x14, 0x48, 0xe7, 0xf6, 0x3a, 0xb3,
+	0xe3, 0x46, 0x9a, 0x6d, 0x66, 0x4a, 0x5b, 0xbf, 0x12, 0x35, 0xdb, 0xd2, 0xce, 0xdc, 0x4a, 0xd5,
+	0x72, 0x7f, 0xae, 0xe8, 0x97, 0x9f, 0xa1, 0xa4, 0x49, 0x37, 0x0d, 0x2d, 0xed, 0xc5, 0xd5, 0x31,
+	0x94, 0x76, 0xe3, 0x0e, 0xa0, 0x0c, 0x95, 0xbb, 0xf6, 0xa6, 0xb1, 0xd1, 0x56, 0x6e, 0xdd, 0x06,
+	0x2c, 0x69, 0xf0, 0xb8, 0x81, 0x6f, 0x29, 0xb4, 0xae, 0xd7, 0x0b, 0xd3, 0xc5, 0x59, 0x11, 0x4d,
+	0xf4, 0x6d, 0x43, 0xfb, 0x71, 0x8e, 0xfd, 0x58, 0x5b, 0x95, 0x7c, 0xed, 0x13, 0xda, 0xaa, 0xe8,
+	0x1f, 0x6a, 0x2b, 0x74, 0xed, 0x23, 0x6d, 0x85, 0xdd, 0x49, 0xb1, 0xa6, 0xd9, 0xd7, 0x93, 0xcf,
+	0x9e, 0x5c, 0x38, 0x34, 0x1c, 0xff, 0x65, 0x7a, 0x75, 0xdc, 0x51, 0xdf, 0xfe, 0xad, 0xcb, 0x2e,
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+	0x5e, 0x68, 0x6f, 0x4e, 0x20, 0xd1, 0x9c, 0x1b, 0x9d, 0xd7, 0xac, 0xaf, 0x15, 0xf9, 0x60, 0xaf,
+	0xe5, 0x58, 0x5a, 0xe7, 0xc0, 0x0b, 0xeb, 0x04, 0xaa, 0x06, 0x30, 0xbf, 0x77, 0x0b, 0xc6, 0xbd,
+	0x9b, 0x77, 0x04, 0x53, 0x9f, 0xe8, 0x08, 0x8a, 0x9f, 0xec, 0x08, 0x4a, 0x63, 0x1d, 0x41, 0xfd,
+	0xf7, 0x69, 0xb0, 0xb2, 0x86, 0x07, 0x61, 0x58, 0xa5, 0xcc, 0x8d, 0x08, 0x3f, 0xa1, 0x1e, 0x71,
+	0x3b, 0x67, 0x82, 0x44, 0x2e, 0x27, 0x5e, 0xcc, 0x23, 0x7a, 0x42, 0x92, 0x66, 0x71, 0xf3, 0x92,
+	0xce, 0x49, 0xd7, 0xe6, 0x06, 0x65, 0x6d, 0x2d, 0xd3, 0x94, 0x2a, 0x4e, 0x2a, 0x82, 0xbe, 0x83,
+	0xeb, 0x79, 0x88, 0xae, 0xa1, 0x3e, 0x35, 0x81, 0xfa, 0x52, 0xa6, 0xde, 0xcd, 0x95, 0x0f, 0x60,
+	0x89, 0x32, 0xf7, 0x6d, 0x4c, 0xe2, 0x31, 0xdd, 0xe2, 0x04, 0xba, 0x8b, 0x94, 0xbd, 0x52, 0xfc,
+	0x5c, 0xd5, 0x85, 0x15, 0xa3, 0x24, 0xf2, 0x2e, 0x36, 0xb4, 0x4b, 0x13, 0x68, 0x2f, 0x67, 0x39,
+	0xcb, 0xbb, 0x3b, 0x0f, 0xf0, 0x3d, 0x2c, 0x53, 0xe6, 0x9e, 0x62, 0x2a, 0x3e, 0x54, 0x9f, 0x9e,
+	0xac, 0x22, 0xaf, 0x31, 0x15, 0xe3, 0xd2, 0xba, 0x22, 0x03, 0xc2, 0xfd, 0xb1, 0x8a, 0xcc, 0x4c,
+	0x56, 0x91, 0x7d, 0xc5, 0xcf, 0x55, 0x5b, 0xb0, 0x48, 0xd9, 0x87, 0xb9, 0x96, 0x27, 0xd0, 0xbc,
+	0x4a, 0xd9, 0x78, 0x9e, 0xaf, 0x60, 0x31, 0x22, 0x9e, 0x60, 0xdc, 0x74, 0x5b, 0x65, 0x02, 0xc5,
+	0x85, 0x84, 0x9e, 0x49, 0xd6, 0x4f, 0x00, 0xf2, 0x75, 0x34, 0x0f, 0x53, 0x2c, 0x54, 0x47, 0xc7,
+	0x72, 0xa6, 0x58, 0x28, 0x7b, 0xc0, 0xae, 0xfc, 0xec, 0xe8, 0x83, 0x63, 0x39, 0xc9, 0x48, 0x9e,
+	0xa7, 0x01, 0x3e, 0x62, 0x69, 0x13, 0xa8, 0x07, 0x6a, 0x96, 0x06, 0x8c, 0x27, 0x67, 0x47, 0x0f,
+	0xe4, 0xec, 0x09, 0xee, 0xc7, 0x24, 0xed, 0x79, 0xd4, 0xa0, 0xfe, 0x53, 0x01, 0x2a, 0xe9, 0x6f,
+	0x00, 0x7a, 0x64, 0xb6, 0xd1, 0xc5, 0xcf, 0xff, 0x75, 0x48, 0x92, 0xde, 0x4c, 0xd6, 0x6b, 0xdf,
+	0xcf, 0x7b, 0xed, 0x7f, 0x4c, 0x4e, 0x1a, 0x72, 0x02, 0x56, 0x36, 0x67, 0xec, 0xb6, 0x30, 0xb6,
+	0xdb, 0x1a, 0x54, 0x7b, 0x1e, 0x76, 0x7b, 0x38, 0xe8, 0xf6, 0x89, 0xee, 0x10, 0xe7, 0x1c, 0xe8,
+	0x79, 0xf8, 0xb9, 0x9e, 0x49, 0x01, 0xac, 0x73, 0x44, 0x3c, 0x11, 0xa9, 0xa2, 0x68, 0xc0, 0x4b,
+	0x3d, 0x53, 0xff, 0x65, 0x0a, 0xaa, 0xc6, 0x9f, 0x8b, 0xec, 0xa1, 0x03, 0x3c, 0x48, 0xe3, 0xa8,
+	0x67, 0xd9, 0xb1, 0xf1, 0xa1, 0xfe, 0x96, 0x24, 0x9f, 0xa9, 0x32, 0x1f, 0xaa, 0x8f, 0x02, 0xba,
+	0x0d, 0xc0, 0x87, 0x6e, 0x88, 0xbd, 0x63, 0x92, 0xc8, 0x97, 0x1c, 0x8b, 0x0f, 0x5b, 0x7a, 0x02,
+	0xdd, 0x04, 0x8b, 0x0f, 0x5d, 0xc2, 0x39, 0xe3, 0x51, 0x52, 0xfb, 0x0a, 0x1f, 0x3e, 0x55, 0xe3,
+	0x84, 0xdb, 0xe5, 0x4c, 0xf6, 0x02, 0xc9, 0x3b, 0xb0, 0xf8, 0xf0, 0x89, 0x9e, 0x90, 0x51, 0x45,
+	0x1a, 0x55, 0xb7, 0x9e, 0x65, 0x91, 0x47, 0x15, 0x79, 0x54, 0xdd, 0x7a, 0x5a, 0xc2, 0x8c, 0x2a,
+	0xb2, 0xa8, 0xba, 0xfb, 0xac, 0x08, 0x23, 0xaa, 0xc8, 0xa3, 0x5a, 0x29, 0x37, 0x89, 0xda, 0xb4,
+	0xdf, 0xbd, 0x5f, 0xbb, 0xf2, 0xc7, 0xfb, 0xb5, 0x2b, 0x3f, 0x8e, 0xd6, 0x0a, 0xef, 0x46, 0x6b,
+	0x85, 0xdf, 0x46, 0x6b, 0x85, 0xbf, 0x46, 0x6b, 0x85, 0xce, 0x8c, 0xfa, 0x0d, 0xff, 0xff, 0xdf,
+	0x01, 0x00, 0x00, 0xff, 0xff, 0x19, 0x9d, 0xe2, 0xd3, 0xe5, 0x0f, 0x00, 0x00,
 }

vendor/github.com/containerd/cgroups/metrics.proto

@@ -11,6 +11,7 @@ message Metrics {
 	MemoryStat memory = 4;
 	BlkIOStat blkio = 5;
 	RdmaStat rdma = 6;
+	repeated NetworkStat network = 7;
 }
 
 message HugetlbStat {
@@ -121,3 +122,15 @@ message RdmaEntry {
 	uint32 hca_handles = 2;
 	uint32 hca_objects = 3;
 }
+
+message NetworkStat {
+	string name = 1;
+	uint64 rx_bytes = 2;
+	uint64 rx_packets = 3;
+	uint64 rx_errors  = 4;
+	uint64 rx_dropped = 5;
+	uint64 tx_bytes = 6;
+	uint64 tx_packets = 7;
+	uint64 tx_errors = 8;
+	uint64 tx_dropped = 9;
+}

vendor/github.com/containerd/cgroups/utils.go

@@ -168,7 +168,7 @@ func readTasksPids(path string, subsystem Name) ([]Task, error) {
 func hugePageSizes() ([]string, error) {
 	var (
 		pageSizes []string
-		sizeList  = []string{"B", "kB", "MB", "GB", "TB", "PB"}
+		sizeList  = []string{"B", "KB", "MB", "GB", "TB", "PB"}
 	)
 	files, err := ioutil.ReadDir("/sys/kernel/mm/hugepages")
 	if err != nil {