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metrics.go
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metrics.go
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// Copyright (c) 2018 HyperHQ Inc.
//
// SPDX-License-Identifier: Apache-2.0
//
package containerdshim
import (
"context"
cgroupsv1 "github.com/containerd/cgroups/stats/v1"
cgroupsv2 "github.com/containerd/cgroups/v2/stats"
"github.com/containerd/containerd/protobuf"
resCtrl "github.com/kata-containers/kata-containers/src/runtime/pkg/resourcecontrol"
vc "github.com/kata-containers/kata-containers/src/runtime/virtcontainers"
anypb "google.golang.org/protobuf/types/known/anypb"
)
func marshalMetrics(ctx context.Context, s *service, containerID string) (*anypb.Any, error) {
stats, err := s.sandbox.StatsContainer(ctx, containerID)
if err != nil {
return nil, err
}
isCgroupV1, err := resCtrl.IsCgroupV1()
if err != nil {
return nil, err
}
var metrics interface{}
if isCgroupV1 {
metrics = statsToMetricsV1(&stats)
} else {
metrics = statsToMetricsV2(&stats)
}
data, err := protobuf.MarshalAnyToProto(metrics)
if err != nil {
return nil, err
}
return data, nil
}
func statsToMetricsV1(stats *vc.ContainerStats) *cgroupsv1.Metrics {
metrics := &cgroupsv1.Metrics{}
if stats.CgroupStats != nil {
metrics = &cgroupsv1.Metrics{
Hugetlb: setHugetlbStatsV1(stats.CgroupStats.HugetlbStats),
Pids: setPidsStatsV1(stats.CgroupStats.PidsStats),
CPU: setCPUStatsV1(stats.CgroupStats.CPUStats),
Memory: setMemoryStatsV1(stats.CgroupStats.MemoryStats),
Blkio: setBlkioStatsV1(stats.CgroupStats.BlkioStats),
}
}
metrics.Network = setNetworkStats(stats.NetworkStats)
return metrics
}
func statsToMetricsV2(stats *vc.ContainerStats) *cgroupsv2.Metrics {
metrics := &cgroupsv2.Metrics{}
if stats.CgroupStats != nil {
metrics = &cgroupsv2.Metrics{
Hugetlb: setHugetlbStatsV2(stats.CgroupStats.HugetlbStats),
Pids: setPidsStatsV2(stats.CgroupStats.PidsStats),
CPU: setCPUStatsV2(stats.CgroupStats.CPUStats),
Memory: setMemoryStatsV2(stats.CgroupStats.MemoryStats),
Io: setBlkioStatsV2(stats.CgroupStats.BlkioStats),
}
}
return metrics
}
func setHugetlbStatsV1(vcHugetlb map[string]vc.HugetlbStats) []*cgroupsv1.HugetlbStat {
var hugetlbStats []*cgroupsv1.HugetlbStat
for k, v := range vcHugetlb {
hugetlbStats = append(
hugetlbStats,
&cgroupsv1.HugetlbStat{
Usage: v.Usage,
Max: v.MaxUsage,
Failcnt: v.Failcnt,
Pagesize: k,
})
}
return hugetlbStats
}
func setHugetlbStatsV2(vcHugetlb map[string]vc.HugetlbStats) []*cgroupsv2.HugeTlbStat {
var hugetlbStats []*cgroupsv2.HugeTlbStat
for k, v := range vcHugetlb {
hugetlbStats = append(
hugetlbStats,
&cgroupsv2.HugeTlbStat{
Current: v.Usage,
Max: v.MaxUsage,
Pagesize: k,
})
}
return hugetlbStats
}
func setPidsStatsV1(vcPids vc.PidsStats) *cgroupsv1.PidsStat {
pidsStats := &cgroupsv1.PidsStat{
Current: vcPids.Current,
Limit: vcPids.Limit,
}
return pidsStats
}
func setPidsStatsV2(vcPids vc.PidsStats) *cgroupsv2.PidsStat {
pidsStats := &cgroupsv2.PidsStat{
Current: vcPids.Current,
Limit: vcPids.Limit,
}
return pidsStats
}
func setCPUStatsV1(vcCPU vc.CPUStats) *cgroupsv1.CPUStat {
var perCPU []uint64
perCPU = append(perCPU, vcCPU.CPUUsage.PercpuUsage...)
cpuStats := &cgroupsv1.CPUStat{
Usage: &cgroupsv1.CPUUsage{
Total: vcCPU.CPUUsage.TotalUsage,
Kernel: vcCPU.CPUUsage.UsageInKernelmode,
User: vcCPU.CPUUsage.UsageInUsermode,
PerCPU: perCPU,
},
Throttling: &cgroupsv1.Throttle{
Periods: vcCPU.ThrottlingData.Periods,
ThrottledPeriods: vcCPU.ThrottlingData.ThrottledPeriods,
ThrottledTime: vcCPU.ThrottlingData.ThrottledTime,
},
}
return cpuStats
}
func setCPUStatsV2(vcCPU vc.CPUStats) *cgroupsv2.CPUStat {
cpuStats := &cgroupsv2.CPUStat{
UsageUsec: vcCPU.CPUUsage.TotalUsage / 1000,
UserUsec: vcCPU.CPUUsage.UsageInKernelmode / 1000,
SystemUsec: vcCPU.CPUUsage.UsageInUsermode / 1000,
NrPeriods: vcCPU.ThrottlingData.Periods,
NrThrottled: vcCPU.ThrottlingData.ThrottledPeriods,
ThrottledUsec: vcCPU.ThrottlingData.ThrottledTime / 1000,
}
return cpuStats
}
func setMemoryStatsV1(vcMemory vc.MemoryStats) *cgroupsv1.MemoryStat {
memoryStats := &cgroupsv1.MemoryStat{
Usage: &cgroupsv1.MemoryEntry{
Limit: vcMemory.Usage.Limit,
Usage: vcMemory.Usage.Usage,
Max: vcMemory.Usage.MaxUsage,
Failcnt: vcMemory.Usage.Failcnt,
},
Swap: &cgroupsv1.MemoryEntry{
Limit: vcMemory.SwapUsage.Limit,
Usage: vcMemory.SwapUsage.Usage,
Max: vcMemory.SwapUsage.MaxUsage,
Failcnt: vcMemory.SwapUsage.Failcnt,
},
Kernel: &cgroupsv1.MemoryEntry{
Limit: vcMemory.KernelUsage.Limit,
Usage: vcMemory.KernelUsage.Usage,
Max: vcMemory.KernelUsage.MaxUsage,
Failcnt: vcMemory.KernelUsage.Failcnt,
},
KernelTCP: &cgroupsv1.MemoryEntry{
Limit: vcMemory.KernelTCPUsage.Limit,
Usage: vcMemory.KernelTCPUsage.Usage,
Max: vcMemory.KernelTCPUsage.MaxUsage,
Failcnt: vcMemory.KernelTCPUsage.Failcnt,
},
}
if vcMemory.UseHierarchy {
memoryStats.Cache = vcMemory.Stats["total_cache"]
memoryStats.RSS = vcMemory.Stats["total_rss"]
memoryStats.MappedFile = vcMemory.Stats["total_mapped_file"]
} else {
memoryStats.Cache = vcMemory.Stats["cache"]
memoryStats.RSS = vcMemory.Stats["rss"]
memoryStats.MappedFile = vcMemory.Stats["mapped_file"]
}
if v, ok := vcMemory.Stats["pgfault"]; ok {
memoryStats.PgFault = v
}
if v, ok := vcMemory.Stats["pgmajfault"]; ok {
memoryStats.PgMajFault = v
}
if v, ok := vcMemory.Stats["total_inactive_file"]; ok {
memoryStats.TotalInactiveFile = v
}
return memoryStats
}
func setMemoryStatsV2(vcMemory vc.MemoryStats) *cgroupsv2.MemoryStat {
memoryStats := &cgroupsv2.MemoryStat{
Usage: vcMemory.Usage.Usage,
UsageLimit: vcMemory.Usage.Limit,
SwapUsage: vcMemory.SwapUsage.Usage,
SwapLimit: vcMemory.SwapUsage.Limit,
}
return memoryStats
}
func setBlkioStatsV1(vcBlkio vc.BlkioStats) *cgroupsv1.BlkIOStat {
blkioStats := &cgroupsv1.BlkIOStat{
IoServiceBytesRecursive: copyBlkioV1(vcBlkio.IoServiceBytesRecursive),
IoServicedRecursive: copyBlkioV1(vcBlkio.IoServicedRecursive),
IoQueuedRecursive: copyBlkioV1(vcBlkio.IoQueuedRecursive),
SectorsRecursive: copyBlkioV1(vcBlkio.SectorsRecursive),
IoServiceTimeRecursive: copyBlkioV1(vcBlkio.IoServiceTimeRecursive),
IoWaitTimeRecursive: copyBlkioV1(vcBlkio.IoWaitTimeRecursive),
IoMergedRecursive: copyBlkioV1(vcBlkio.IoMergedRecursive),
IoTimeRecursive: copyBlkioV1(vcBlkio.IoTimeRecursive),
}
return blkioStats
}
func setBlkioStatsV2(vcBlkio vc.BlkioStats) *cgroupsv2.IOStat {
ioStats := &cgroupsv2.IOStat{
Usage: copyBlkioV2(vcBlkio.IoServiceBytesRecursive),
}
return ioStats
}
func copyBlkioV1(s []vc.BlkioStatEntry) []*cgroupsv1.BlkIOEntry {
ret := make([]*cgroupsv1.BlkIOEntry, len(s))
for i, v := range s {
ret[i] = &cgroupsv1.BlkIOEntry{
Op: v.Op,
Major: v.Major,
Minor: v.Minor,
Value: v.Value,
}
}
return ret
}
func copyBlkioV2(s []vc.BlkioStatEntry) []*cgroupsv2.IOEntry {
var ret []*cgroupsv2.IOEntry
item := cgroupsv2.IOEntry{}
for _, v := range s {
switch v.Op {
case "read":
item.Rbytes = v.Value
case "write":
item.Wbytes = v.Value
case "rios":
item.Rios = v.Value
case "wios":
item.Wios = v.Value
}
item.Major = v.Major
item.Minor = v.Minor
}
ret = append(ret, &item)
return ret
}
func setNetworkStats(vcNetwork []*vc.NetworkStats) []*cgroupsv1.NetworkStat {
networkStats := make([]*cgroupsv1.NetworkStat, len(vcNetwork))
for i, v := range vcNetwork {
networkStats[i] = &cgroupsv1.NetworkStat{
Name: v.Name,
RxBytes: v.RxBytes,
RxPackets: v.RxPackets,
RxErrors: v.RxErrors,
RxDropped: v.RxDropped,
TxBytes: v.TxBytes,
TxPackets: v.TxPackets,
TxErrors: v.TxErrors,
TxDropped: v.TxDropped,
}
}
return networkStats
}