vendor: update google/cadvisor and opencontainers/runc

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano
2020-06-24 10:56:34 +02:00
parent 78d295d168
commit a6a3bf2eb4
632 changed files with 36493 additions and 89280 deletions

View File

@@ -3,13 +3,18 @@ load("@io_bazel_rules_go//go:def.bzl", "go_library")
go_library(
name = "go_default_library",
srcs = [
"cmt.go",
"intelrdt.go",
"mbm.go",
"monitoring.go",
"stats.go",
],
importmap = "k8s.io/kubernetes/vendor/github.com/opencontainers/runc/libcontainer/intelrdt",
importpath = "github.com/opencontainers/runc/libcontainer/intelrdt",
visibility = ["//visibility:public"],
deps = select({
deps = [
"//vendor/github.com/sirupsen/logrus:go_default_library",
] + select({
"@io_bazel_rules_go//go/platform:android": [
"//vendor/github.com/opencontainers/runc/libcontainer/configs:go_default_library",
],

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@@ -0,0 +1,22 @@
package intelrdt
var (
cmtEnabled bool
)
// Check if Intel RDT/CMT is enabled.
func IsCMTEnabled() bool {
return cmtEnabled
}
func getCMTNumaNodeStats(numaPath string) (*CMTNumaNodeStats, error) {
stats := &CMTNumaNodeStats{}
llcOccupancy, err := getIntelRdtParamUint(numaPath, "llc_occupancy")
if err != nil {
return nil, err
}
stats.LLCOccupancy = llcOccupancy
return stats, nil
}

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@@ -55,6 +55,10 @@ import (
* | | |-- cbm_mask
* | | |-- min_cbm_bits
* | | |-- num_closids
* | |-- L3_MON
* | | |-- max_threshold_occupancy
* | | |-- mon_features
* | | |-- num_rmids
* | |-- MB
* | |-- bandwidth_gran
* | |-- delay_linear
@@ -191,8 +195,7 @@ type intelRdtData struct {
// Check if Intel RDT sub-features are enabled in init()
func init() {
// 1. Check if hardware and kernel support Intel RDT sub-features
// "cat_l3" flag for CAT and "mba" flag for MBA
isCatFlagSet, isMbaFlagSet, err := parseCpuInfoFile("/proc/cpuinfo")
flagsSet, err := parseCpuInfoFile("/proc/cpuinfo")
if err != nil {
return
}
@@ -207,7 +210,7 @@ func init() {
// "resource control" filesystem. Intel RDT sub-features can be
// selectively disabled or enabled by kernel command line
// (e.g., rdt=!l3cat,mba) in 4.14 and newer kernel
if isCatFlagSet {
if flagsSet.CAT {
if _, err := os.Stat(filepath.Join(intelRdtRoot, "info", "L3")); err == nil {
isCatEnabled = true
}
@@ -217,11 +220,23 @@ func init() {
// MBA should be enabled because MBA Software Controller
// depends on MBA
isMbaEnabled = true
} else if isMbaFlagSet {
} else if flagsSet.MBA {
if _, err := os.Stat(filepath.Join(intelRdtRoot, "info", "MB")); err == nil {
isMbaEnabled = true
}
}
if flagsSet.MBMTotal || flagsSet.MBMLocal {
if _, err := os.Stat(filepath.Join(intelRdtRoot, "info", "L3_MON")); err == nil {
mbmEnabled = true
cmtEnabled = true
}
enabledMonFeatures, err = getMonFeatures(intelRdtRoot)
if err != nil {
return
}
}
}
// Return the mount point path of Intel RDT "resource control" filesysem
@@ -298,40 +313,52 @@ func isIntelRdtMounted() bool {
return true
}
func parseCpuInfoFile(path string) (bool, bool, error) {
isCatFlagSet := false
isMbaFlagSet := false
type cpuInfoFlags struct {
CAT bool // Cache Allocation Technology
MBA bool // Memory Bandwidth Allocation
// Memory Bandwidth Monitoring related.
MBMTotal bool
MBMLocal bool
}
func parseCpuInfoFile(path string) (cpuInfoFlags, error) {
infoFlags := cpuInfoFlags{}
f, err := os.Open(path)
if err != nil {
return false, false, err
return infoFlags, err
}
defer f.Close()
s := bufio.NewScanner(f)
for s.Scan() {
if err := s.Err(); err != nil {
return false, false, err
}
line := s.Text()
// Search "cat_l3" and "mba" flags in first "flags" line
if strings.Contains(line, "flags") {
if strings.HasPrefix(line, "flags") {
flags := strings.Split(line, " ")
// "cat_l3" flag for CAT and "mba" flag for MBA
for _, flag := range flags {
switch flag {
case "cat_l3":
isCatFlagSet = true
infoFlags.CAT = true
case "mba":
isMbaFlagSet = true
infoFlags.MBA = true
case "cqm_mbm_total":
infoFlags.MBMTotal = true
case "cqm_mbm_local":
infoFlags.MBMLocal = true
}
}
return isCatFlagSet, isMbaFlagSet, nil
return infoFlags, nil
}
}
return isCatFlagSet, isMbaFlagSet, nil
if err := s.Err(); err != nil {
return infoFlags, err
}
return infoFlags, nil
}
func parseUint(s string, base, bitSize int) (uint64, error) {
@@ -586,7 +613,8 @@ func (m *IntelRdtManager) GetStats() (*Stats, error) {
schemaRootStrings := strings.Split(tmpRootStrings, "\n")
// The L3 cache and memory bandwidth schemata in 'container_id' group
tmpStrings, err := getIntelRdtParamString(m.GetPath(), "schemata")
containerPath := m.GetPath()
tmpStrings, err := getIntelRdtParamString(containerPath, "schemata")
if err != nil {
return nil, err
}
@@ -638,6 +666,11 @@ func (m *IntelRdtManager) GetStats() (*Stats, error) {
}
}
err = getMonitoringStats(containerPath, stats)
if err != nil {
return nil, err
}
return stats, nil
}
@@ -758,7 +791,7 @@ type LastCmdError struct {
}
func (e *LastCmdError) Error() string {
return fmt.Sprintf(e.Err.Error() + ", last_cmd_status: " + e.LastCmdStatus)
return e.Err.Error() + ", last_cmd_status: " + e.LastCmdStatus
}
func NewLastCmdError(err error) error {

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@@ -0,0 +1,34 @@
// +build linux
package intelrdt
var (
// The flag to indicate if Intel RDT/MBM is enabled
mbmEnabled bool
)
// Check if Intel RDT/MBM is enabled.
func IsMBMEnabled() bool {
return mbmEnabled
}
func getMBMNumaNodeStats(numaPath string) (*MBMNumaNodeStats, error) {
stats := &MBMNumaNodeStats{}
if enabledMonFeatures.mbmTotalBytes {
mbmTotalBytes, err := getIntelRdtParamUint(numaPath, "mbm_total_bytes")
if err != nil {
return nil, err
}
stats.MBMTotalBytes = mbmTotalBytes
}
if enabledMonFeatures.mbmLocalBytes {
mbmLocalBytes, err := getIntelRdtParamUint(numaPath, "mbm_local_bytes")
if err != nil {
return nil, err
}
stats.MBMLocalBytes = mbmLocalBytes
}
return stats, nil
}

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@@ -0,0 +1,85 @@
package intelrdt
import (
"bufio"
"github.com/sirupsen/logrus"
"io"
"io/ioutil"
"os"
"path/filepath"
)
var (
enabledMonFeatures monFeatures
)
type monFeatures struct {
mbmTotalBytes bool
mbmLocalBytes bool
llcOccupancy bool
}
func getMonFeatures(intelRdtRoot string) (monFeatures, error) {
file, err := os.Open(filepath.Join(intelRdtRoot, "info", "L3_MON", "mon_features"))
defer file.Close()
if err != nil {
return monFeatures{}, err
}
return parseMonFeatures(file)
}
func parseMonFeatures(reader io.Reader) (monFeatures, error) {
scanner := bufio.NewScanner(reader)
monFeatures := monFeatures{}
for scanner.Scan() {
switch feature := scanner.Text(); feature {
case "mbm_total_bytes":
monFeatures.mbmTotalBytes = true
case "mbm_local_bytes":
monFeatures.mbmLocalBytes = true
case "llc_occupancy":
monFeatures.llcOccupancy = true
default:
logrus.Warnf("Unsupported Intel RDT monitoring feature: %s", feature)
}
}
return monFeatures, scanner.Err()
}
func getMonitoringStats(containerPath string, stats *Stats) error {
numaFiles, err := ioutil.ReadDir(filepath.Join(containerPath, "mon_data"))
if err != nil {
return err
}
var mbmStats []MBMNumaNodeStats
var cmtStats []CMTNumaNodeStats
for _, file := range numaFiles {
if file.IsDir() {
numaPath := filepath.Join(containerPath, "mon_data", file.Name())
if IsMBMEnabled() {
numaMBMStats, err := getMBMNumaNodeStats(numaPath)
if err != nil {
return err
}
mbmStats = append(mbmStats, *numaMBMStats)
}
if IsCMTEnabled() {
numaCMTStats, err := getCMTNumaNodeStats(numaPath)
if err != nil {
return err
}
cmtStats = append(cmtStats, *numaCMTStats)
}
}
}
stats.MBMStats = &mbmStats
stats.CMTStats = &cmtStats
return err
}

View File

@@ -15,6 +15,19 @@ type MemBwInfo struct {
NumClosids uint64 `json:"num_closids,omitempty"`
}
type MBMNumaNodeStats struct {
// The 'mbm_total_bytes' in 'container_id' group.
MBMTotalBytes uint64 `json:"mbm_total_bytes,omitempty"`
// The 'mbm_local_bytes' in 'container_id' group.
MBMLocalBytes uint64 `json:"mbm_local_bytes,omitempty"`
}
type CMTNumaNodeStats struct {
// The 'llc_occupancy' in 'container_id' group.
LLCOccupancy uint64 `json:"llc_occupancy,omitempty"`
}
type Stats struct {
// The read-only L3 cache information
L3CacheInfo *L3CacheInfo `json:"l3_cache_info,omitempty"`
@@ -33,6 +46,12 @@ type Stats struct {
// The memory bandwidth schema in 'container_id' group
MemBwSchema string `json:"mem_bw_schema,omitempty"`
// The memory bandwidth monitoring statistics from NUMA nodes in 'container_id' group
MBMStats *[]MBMNumaNodeStats `json:"mbm_stats,omitempty"`
// The cache monitoring technology statistics from NUMA nodes in 'container_id' group
CMTStats *[]CMTNumaNodeStats `json:"cmt_stats,omitempty"`
}
func NewStats() *Stats {