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docker/patch/0125-docker-add-hugetlb-limit-option-to-docker.patch
overweight 6138d366d1 Package init
2019-09-30 10:37:25 -04:00

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From 74bad908a52fd2713c72c9f42f2b053369ec53d2 Mon Sep 17 00:00:00 2001
From: zhaolongquan1 <zhaolongquan1@huawei.com>
Date: Wed, 12 Jun 2019 12:37:08 -0400
Subject: [PATCH] docker: add hugetlb limit option to docker
reason:add hugetlb limit option to docker
Change-Id: I418c65fd050d3740da6997589df45b08355fed80
Signed-off-by: zhaolongquan1 <zhaolongquan1@huawei.com>
---
components/cli/cli/command/container/opts.go | 5 +
components/cli/cli/command/system/info.go | 1 +
components/cli/contrib/completion/bash/docker | 1 +
components/cli/opts/hugetlb.go | 109 +++++++++++++
.../docker/api/types/container/host_config.go | 8 +
.../github.com/docker/docker/api/types/types.go | 1 +
.../engine/api/types/container/host_config.go | 8 +
components/engine/api/types/types.go | 1 +
components/engine/daemon/daemon_unix.go | 66 ++++++++
components/engine/daemon/info.go | 1 +
components/engine/daemon/oci_linux.go | 2 +
components/engine/pkg/sysinfo/sysinfo.go | 6 +
components/engine/pkg/sysinfo/sysinfo_linux.go | 30 ++++
components/engine/pkg/sysinfo/utils_linux.go | 169 +++++++++++++++++++++
14 files changed, 408 insertions(+)
create mode 100644 components/cli/opts/hugetlb.go
create mode 100644 components/engine/pkg/sysinfo/utils_linux.go
diff --git a/components/cli/cli/command/container/opts.go b/components/cli/cli/command/container/opts.go
index 00da8fc..d729a3c 100644
--- a/components/cli/cli/command/container/opts.go
+++ b/components/cli/cli/command/container/opts.go
@@ -66,6 +66,7 @@ type containerOptions struct {
storageOpt opts.ListOpts
labelsFile opts.ListOpts
loggingOpts opts.ListOpts
+ hugetlb opts.HugetlbOpt
privileged bool
pidMode string
utsMode string
@@ -166,6 +167,7 @@ func addFlags(flags *pflag.FlagSet) *containerOptions {
ulimits: opts.NewUlimitOpt(nil),
volumes: opts.NewListOpts(nil),
volumesFrom: opts.NewListOpts(nil),
+ hugetlb: opts.NewHugetlbOpt(opts.ValidateHugetlb),
}
// General purpose flags
@@ -295,6 +297,8 @@ func addFlags(flags *pflag.FlagSet) *containerOptions {
flags.BoolVar(&copts.init, "init", false, "Run an init inside the container that forwards signals and reaps processes")
flags.SetAnnotation("init", "version", []string{"1.25"})
+
+ flags.Var(&copts.hugetlb, "hugetlb-limit", "Huge page limit (format: [size:]<limit>, e.g. --hugetlb-limit 2MB:32MB)")
return copts
}
@@ -538,6 +542,7 @@ func parse(flags *pflag.FlagSet, copts *containerOptions) (*containerConfig, err
resources := container.Resources{
CgroupParent: copts.cgroupParent,
+ Hugetlbs: copts.hugetlb.GetAll(),
Memory: copts.memory.Value(),
MemoryReservation: copts.memoryReservation.Value(),
MemorySwap: copts.memorySwap.Value(),
diff --git a/components/cli/cli/command/system/info.go b/components/cli/cli/command/system/info.go
index 17ccc14..7399d10 100644
--- a/components/cli/cli/command/system/info.go
+++ b/components/cli/cli/command/system/info.go
@@ -74,6 +74,7 @@ func prettyPrintInfo(dockerCli command.Cli, info types.Info) error {
}
fprintlnNonEmpty(dockerCli.Out(), "Logging Driver:", info.LoggingDriver)
fprintlnNonEmpty(dockerCli.Out(), "Cgroup Driver:", info.CgroupDriver)
+ fprintlnNonEmpty(dockerCli.Out(), "Hugetlb Pagesize:", info.HugetlbPageSize)
fmt.Fprintln(dockerCli.Out(), "Plugins:")
fmt.Fprintln(dockerCli.Out(), " Volume:", strings.Join(info.Plugins.Volume, " "))
diff --git a/components/cli/contrib/completion/bash/docker b/components/cli/contrib/completion/bash/docker
index 64f7fe0..330804d 100644
--- a/components/cli/contrib/completion/bash/docker
+++ b/components/cli/contrib/completion/bash/docker
@@ -1792,6 +1792,7 @@ _docker_container_run_and_create() {
--files-limit
--group-add
--hook-spec
+ --hugetlb-limit
--health-cmd
--health-interval
--health-retries
diff --git a/components/cli/opts/hugetlb.go b/components/cli/opts/hugetlb.go
new file mode 100644
index 0000000..48cfeff
--- /dev/null
+++ b/components/cli/opts/hugetlb.go
@@ -0,0 +1,109 @@
+package opts
+
+import (
+ "fmt"
+ "strings"
+
+ "github.com/docker/docker/api/types/container"
+ "github.com/docker/go-units"
+)
+
+// ValidatorHugetlbType defines a validator function that returns a validated struct and/or an error.
+type ValidatorHugetlbType func(val string) (container.Hugetlb, error)
+
+// ValidateHugetlb validates that the specified string has a valid hugetlb format.
+func ValidateHugetlb(htlb string) (container.Hugetlb, error) {
+ var size, limit string
+ var hugetlb container.Hugetlb
+
+ ss := strings.Split(htlb, ":")
+ if len(ss) == 1 {
+ size = ""
+ limit = ss[0]
+ } else if len(ss) == 2 {
+ if ss[0] == "" {
+ size = ""
+ } else {
+ size = formatHugepageSize(ss[0])
+ }
+ limit = ss[1]
+ } else {
+ return hugetlb, fmt.Errorf("Invalid arguments for hugetlb-limit, too many colons")
+ }
+
+ ilimit, err := units.RAMInBytes(limit)
+ if err != nil {
+ return hugetlb, fmt.Errorf("Invalid hugetlb limit:%s", limit)
+ }
+ ulimit := uint64(ilimit)
+ hugetlb = container.Hugetlb{
+ PageSize: size,
+ Limit: ulimit,
+ }
+ return hugetlb, nil
+}
+
+// HugetlbOpt defines a map of Hugetlbs
+type HugetlbOpt struct {
+ values []container.Hugetlb
+ validator ValidatorHugetlbType
+}
+
+// NewHugetlbOpt creates a new HugetlbOpt
+func NewHugetlbOpt(validator ValidatorHugetlbType) HugetlbOpt {
+ values := []container.Hugetlb{}
+ return HugetlbOpt{
+ values: values,
+ validator: validator,
+ }
+}
+
+// Set validates a Hugetlb and sets its name as a key in HugetlbOpt
+func (opt *HugetlbOpt) Set(val string) error {
+ var value container.Hugetlb
+ if opt.validator != nil {
+ v, err := opt.validator(val)
+ if err != nil {
+ return err
+ }
+ value = v
+ }
+ (opt.values) = append((opt.values), value)
+ return nil
+}
+
+// String returns HugetlbOpt values as a string.
+func (opt *HugetlbOpt) String() string {
+ var out []string
+ for _, v := range opt.values {
+ out = append(out, fmt.Sprintf("%v", v))
+ }
+
+ return fmt.Sprintf("%v", out)
+}
+
+// GetList returns a slice of pointers to Hugetlbs.
+func (opt *HugetlbOpt) GetAll() []container.Hugetlb {
+ var hugetlbs []container.Hugetlb
+ for _, v := range opt.values {
+ hugetlbs = append(hugetlbs, v)
+ }
+
+ return hugetlbs
+}
+
+// Type returns the option type
+func (opt *HugetlbOpt) Type() string {
+ return "hugetlb"
+}
+
+func formatHugepageSize(s string) string {
+ // make sure size get all 'b/k/m/g' replaced with "B/K/M/G"
+ s = strings.ToUpper(s)
+ // make sure size hase suffix "B"
+ if !strings.HasSuffix(s, "B") {
+ s = s + "B"
+ }
+
+ return s
+}
diff --git a/components/cli/vendor/github.com/docker/docker/api/types/container/host_config.go b/components/cli/vendor/github.com/docker/docker/api/types/container/host_config.go
index 701cae5..6989b2b 100644
--- a/components/cli/vendor/github.com/docker/docker/api/types/container/host_config.go
+++ b/components/cli/vendor/github.com/docker/docker/api/types/container/host_config.go
@@ -342,6 +342,14 @@ type Resources struct {
CPUPercent int64 `json:"CpuPercent"` // CPU percent
IOMaximumIOps uint64 // Maximum IOps for the container system drive
IOMaximumBandwidth uint64 // Maximum IO in bytes per second for the container system drive
+
+ // Hugetlb setting
+ Hugetlbs []Hugetlb
+}
+
+type Hugetlb struct {
+ PageSize string
+ Limit uint64
}
// UpdateConfig holds the mutable attributes of a Container.
diff --git a/components/cli/vendor/github.com/docker/docker/api/types/types.go b/components/cli/vendor/github.com/docker/docker/api/types/types.go
index 56f556c..cfcfd4a 100644
--- a/components/cli/vendor/github.com/docker/docker/api/types/types.go
+++ b/components/cli/vendor/github.com/docker/docker/api/types/types.go
@@ -173,6 +173,7 @@ type Info struct {
SystemTime string
LoggingDriver string
CgroupDriver string
+ HugetlbPageSize string
NEventsListener int
KernelVersion string
OperatingSystem string
diff --git a/components/engine/api/types/container/host_config.go b/components/engine/api/types/container/host_config.go
index 701cae5..6989b2b 100644
--- a/components/engine/api/types/container/host_config.go
+++ b/components/engine/api/types/container/host_config.go
@@ -342,6 +342,14 @@ type Resources struct {
CPUPercent int64 `json:"CpuPercent"` // CPU percent
IOMaximumIOps uint64 // Maximum IOps for the container system drive
IOMaximumBandwidth uint64 // Maximum IO in bytes per second for the container system drive
+
+ // Hugetlb setting
+ Hugetlbs []Hugetlb
+}
+
+type Hugetlb struct {
+ PageSize string
+ Limit uint64
}
// UpdateConfig holds the mutable attributes of a Container.
diff --git a/components/engine/api/types/types.go b/components/engine/api/types/types.go
index 78e97da..55955f2 100644
--- a/components/engine/api/types/types.go
+++ b/components/engine/api/types/types.go
@@ -174,6 +174,7 @@ type Info struct {
SystemTime string
LoggingDriver string
CgroupDriver string
+ HugetlbPageSize string
NEventsListener int
KernelVersion string
OperatingSystem string
diff --git a/components/engine/daemon/daemon_unix.go b/components/engine/daemon/daemon_unix.go
index 9abc9a3..5a59b32 100644
--- a/components/engine/daemon/daemon_unix.go
+++ b/components/engine/daemon/daemon_unix.go
@@ -187,6 +187,21 @@ func getBlkioWeightDevices(config containertypes.Resources) ([]specs.LinuxWeight
return blkioWeightDevices, nil
}
+func getHugetlbResources(config containertypes.Resources) []specs.LinuxHugepageLimit {
+ var hpLimits []specs.LinuxHugepageLimit
+
+ for _, hpl := range config.Hugetlbs {
+ size := hpl.PageSize
+ limit := uint64(hpl.Limit)
+ hpLimits = append(hpLimits, specs.LinuxHugepageLimit{
+ Pagesize: size,
+ Limit: limit,
+ })
+ }
+
+ return hpLimits
+}
+
func (daemon *Daemon) parseSecurityOpt(container *container.Container, hostConfig *containertypes.HostConfig) error {
container.NoNewPrivileges = daemon.configStore.NoNewPrivileges
return parseSecurityOpt(container, hostConfig)
@@ -553,9 +568,51 @@ func (daemon *Daemon) verifyContainerResources(hostConfig *containertypes.HostCo
resources.BlkioDeviceWriteIOps = []*pblkiodev.ThrottleDevice{}
}
+ // hugetlb size checks
+ if len(resources.Hugetlbs) > 0 && !sysInfo.HugetlbLimit {
+ warnings = append(warnings, "Your kernel does not support hugetlb limit.")
+ logrus.Warnf("Your kernel does not support hugetlb limit. --hugetlb-limit discarded.")
+ resources.Hugetlbs = []containertypes.Hugetlb{}
+ }
+ newHugetlbs, warning, err := validateHugetlbs(resources.Hugetlbs)
+ warnings = append(warnings, warning...)
+ if err != nil {
+ return warnings, err
+ }
+ resources.Hugetlbs = newHugetlbs
+
return warnings, nil
}
+func validateHugetlbs(hgtlbs []containertypes.Hugetlb) ([]containertypes.Hugetlb, []string, error) {
+ warnings := []string{}
+ htbMap := make(map[string]uint64)
+
+ for _, hpl := range hgtlbs {
+ size, warning, err := sysinfo.ValidateHugetlb(hpl.PageSize, hpl.Limit)
+ warnings = append(warnings, warning...)
+ if err != nil {
+ return nil, warnings, err
+ }
+
+ if l, ok := htbMap[size]; ok {
+ warnings = append(warnings, fmt.Sprintf("hugetlb-limit setting of %s is repeated, former setting %d will be replaced with %d", size, l, hpl.Limit))
+ }
+ htbMap[size] = hpl.Limit
+ }
+
+ newHgtlbs := []containertypes.Hugetlb{}
+ for k, v := range htbMap {
+ hugetlb := containertypes.Hugetlb{
+ PageSize: k,
+ Limit: v,
+ }
+ newHgtlbs = append(newHgtlbs, hugetlb)
+ }
+
+ return newHgtlbs, warnings, nil
+}
+
func (daemon *Daemon) getCgroupDriver() string {
cgroupDriver := cgroupFsDriver
@@ -565,6 +622,15 @@ func (daemon *Daemon) getCgroupDriver() string {
return cgroupDriver
}
+func (daemon *Daemon) getHugetlbPageSize() string {
+ size, err := sysinfo.GetHugepageSize()
+ if err != nil {
+ logrus.Errorf("Failed to get default hugetlb pagesize: %v", err)
+ return ""
+ }
+ return size
+}
+
// getCD gets the raw value of the native.cgroupdriver option, if set.
func getCD(config *config.Config) string {
for _, option := range config.ExecOptions {
diff --git a/components/engine/daemon/info.go b/components/engine/daemon/info.go
index 4acad11..2ecff72 100644
--- a/components/engine/daemon/info.go
+++ b/components/engine/daemon/info.go
@@ -47,6 +47,7 @@ func (daemon *Daemon) SystemInfo() (*types.Info, error) {
SystemTime: time.Now().Format(time.RFC3339Nano),
LoggingDriver: daemon.defaultLogConfig.Type,
CgroupDriver: daemon.getCgroupDriver(),
+ HugetlbPageSize: daemon.getHugetlbPageSize(),
NEventsListener: daemon.EventsService.SubscribersCount(),
KernelVersion: kernelVersion(),
OperatingSystem: operatingSystem(),
diff --git a/components/engine/daemon/oci_linux.go b/components/engine/daemon/oci_linux.go
index f5270bd..6d3bc16 100644
--- a/components/engine/daemon/oci_linux.go
+++ b/components/engine/daemon/oci_linux.go
@@ -49,6 +49,7 @@ func setResources(s *specs.Spec, r containertypes.Resources) error {
return err
}
+ hpRes := getHugetlbResources(r)
memoryRes := getMemoryResources(r)
cpuRes, err := getCPUResources(r)
if err != nil {
@@ -73,6 +74,7 @@ func setResources(s *specs.Spec, r containertypes.Resources) error {
Files: &specs.Files{
Limit: &r.FilesLimit,
},
+ HugepageLimits: hpRes,
}
if s.Linux.Resources != nil && len(s.Linux.Resources.Devices) > 0 {
diff --git a/components/engine/pkg/sysinfo/sysinfo.go b/components/engine/pkg/sysinfo/sysinfo.go
index 7ea1be5..139ad61 100644
--- a/components/engine/pkg/sysinfo/sysinfo.go
+++ b/components/engine/pkg/sysinfo/sysinfo.go
@@ -17,6 +17,7 @@ type SysInfo struct {
Seccomp bool
cgroupMemInfo
+ cgroupHugetlbInfo
cgroupCPUInfo
cgroupBlkioInfo
cgroupCpusetInfo
@@ -56,6 +57,11 @@ type cgroupMemInfo struct {
KernelMemory bool
}
+type cgroupHugetlbInfo struct {
+ // Whether hugetlb limit is supported or not
+ HugetlbLimit bool
+}
+
type cgroupCPUInfo struct {
// Whether CPU shares is supported or not
CPUShares bool
diff --git a/components/engine/pkg/sysinfo/sysinfo_linux.go b/components/engine/pkg/sysinfo/sysinfo_linux.go
index c0bf280..b4473ee 100644
--- a/components/engine/pkg/sysinfo/sysinfo_linux.go
+++ b/components/engine/pkg/sysinfo/sysinfo_linux.go
@@ -36,6 +36,7 @@ func New(quiet bool) *SysInfo {
logrus.Warnf("Failed to parse cgroup information: %v", err)
} else {
sysInfo.cgroupMemInfo = checkCgroupMem(cgMounts, quiet)
+ sysInfo.cgroupHugetlbInfo = checkCgroupHugetlb(cgMounts, quiet)
sysInfo.cgroupCPUInfo = checkCgroupCPU(cgMounts, quiet)
sysInfo.cgroupBlkioInfo = checkCgroupBlkioInfo(cgMounts, quiet)
sysInfo.cgroupCpusetInfo = checkCgroupCpusetInfo(cgMounts, quiet)
@@ -66,6 +67,35 @@ func New(quiet bool) *SysInfo {
return sysInfo
}
+// checkCgroupHugetlb reads the hugetlb information from the hugetlb cgroup mount point.
+func checkCgroupHugetlb(cgMounts map[string]string, quiet bool) cgroupHugetlbInfo {
+ var (
+ dSize string
+ err error
+ c cgroupHugetlbInfo
+ )
+ mountPoint, ok := cgMounts["hugetlb"]
+ if !ok {
+ if !quiet {
+ logrus.Warnf("Your kernel does not support cgroup hugetlb limit")
+ }
+ return c
+ }
+ dSize, err = GetDefaultHugepageSize()
+ if err != nil {
+ logrus.Warnf("Your kernel does not support cgroup hugetlb limit")
+ return c
+ }
+
+ hugetlbLimit := cgroupEnabled(mountPoint, fmt.Sprintf("hugetlb.%s.limit_in_bytes", dSize))
+ if !quiet && !hugetlbLimit {
+ logrus.Warn("Your kernel does not support hugetlb limit.")
+ }
+
+ c.HugetlbLimit = hugetlbLimit
+ return c
+}
+
// checkCgroupMem reads the memory information from the memory cgroup mount point.
func checkCgroupMem(cgMounts map[string]string, quiet bool) cgroupMemInfo {
mountPoint, ok := cgMounts["memory"]
diff --git a/components/engine/pkg/sysinfo/utils_linux.go b/components/engine/pkg/sysinfo/utils_linux.go
new file mode 100644
index 0000000..905d0b7
--- /dev/null
+++ b/components/engine/pkg/sysinfo/utils_linux.go
@@ -0,0 +1,169 @@
+// +build linux
+
+package sysinfo
+
+import (
+ "bufio"
+ "fmt"
+ "os"
+ "strings"
+
+ "github.com/docker/go-units"
+ "github.com/opencontainers/runc/libcontainer/cgroups"
+)
+
+// GetHugepageSize returns system supported hugepage sizes
+func GetHugepageSize() (string, error) {
+ hps, err := getHugepageSizes()
+ if err != nil {
+ return "", err
+ }
+
+ dhp, err := GetDefaultHugepageSize()
+ if err != nil {
+ return "", err
+ }
+
+ hpsString := strings.Join(hps, ", ")
+ if len(hps) > 1 {
+ hpsString += fmt.Sprintf(" (default is %s)", dhp)
+ }
+ return hpsString, nil
+}
+
+// ValidateHugetlb check whether hugetlb pagesize and limit legal
+func ValidateHugetlb(pageSize string, limit uint64) (string, []string, error) {
+ var err error
+ warnings := []string{}
+ if pageSize != "" {
+ sizeInt, _ := units.RAMInBytes(pageSize)
+ pageSize = humanSize(sizeInt)
+ if err := isHugepageSizeValid(pageSize); err != nil {
+ return "", warnings, err
+ }
+ } else {
+ pageSize, err = GetDefaultHugepageSize()
+ if err != nil {
+ return "", warnings, fmt.Errorf("Failed to get system hugepage size")
+ }
+ }
+
+ warn, err := isHugeLimitValid(pageSize, limit)
+ warnings = append(warnings, warn...)
+ if err != nil {
+ return "", warnings, err
+ }
+
+ return pageSize, warnings, nil
+}
+
+// isHugeLimitValid check whether input hugetlb limit legal
+// it will check whether the limit size is times of size
+func isHugeLimitValid(size string, limit uint64) ([]string, error) {
+ warnings := []string{}
+ sizeInt, err := units.RAMInBytes(size)
+ if err != nil || sizeInt < 0 {
+ return warnings, fmt.Errorf("Invalid hugepage size:%s -- %s", size, err)
+ }
+ sizeUint := uint64(sizeInt)
+
+ if limit%sizeUint != 0 {
+ warnings = append(warnings, "HugeTlb limit should be times of hugepage size. "+
+ "cgroup will down round to the nearest multiple")
+ }
+
+ return warnings, nil
+}
+
+// isHugepageSizeValid check whether input size legal
+// it will compare size with all system supported hugepage size
+func isHugepageSizeValid(size string) error {
+ hps, err := getHugepageSizes()
+ if err != nil {
+ return err
+ }
+
+ for _, hp := range hps {
+ if size == hp {
+ return nil
+ }
+ }
+ return fmt.Errorf("Invalid hugepage size:%s, shoud be one of %v", size, hps)
+}
+
+func humanSize(i int64) string {
+ // hugetlb may not surpass GB
+ uf := []string{"B", "KB", "MB", "GB"}
+ ui := 0
+ for {
+ if i < 1024 || ui >= 3 {
+ break
+ }
+ i = int64(i / 1024)
+ ui = ui + 1
+ }
+
+ return fmt.Sprintf("%d%s", i, uf[ui])
+}
+
+func getHugepageSizes() ([]string, error) {
+ var hps []string
+
+ hgtlbMp, err := cgroups.FindCgroupMountpoint("hugetlb")
+ if err != nil {
+ return nil, fmt.Errorf("Hugetlb cgroup not supported")
+ }
+
+ f, err := os.Open(hgtlbMp)
+ if err != nil {
+ return nil, fmt.Errorf("Failed to open hugetlb cgroup directory")
+ }
+ defer f.Close()
+ // -1 here means to read all the fileInfo from the directory, could be any negative number
+ fi, err := f.Readdir(-1)
+ if err != nil {
+ return nil, fmt.Errorf("Failed to read hugetlb cgroup directory")
+ }
+
+ for _, finfo := range fi {
+ if strings.Contains(finfo.Name(), "limit_in_bytes") {
+ sres := strings.SplitN(finfo.Name(), ".", 3)
+ if len(sres) != 3 {
+ continue
+ }
+ hps = append(hps, sres[1])
+ }
+ }
+
+ if len(hps) == 0 {
+ return nil, fmt.Errorf("Hugetlb pagesize not found in cgroup")
+ }
+
+ return hps, nil
+}
+
+// GetDefaultHugepageSize returns system default hugepage size
+func GetDefaultHugepageSize() (string, error) {
+ f, err := os.Open("/proc/meminfo")
+ if err != nil {
+ return "", fmt.Errorf("Failed to get hugepage size, cannot open /proc/meminfo")
+ }
+ defer f.Close()
+
+ s := bufio.NewScanner(f)
+ for s.Scan() {
+ if strings.Contains(s.Text(), "Hugepagesize") {
+ sres := strings.SplitN(s.Text(), ":", 2)
+ if len(sres) != 2 {
+ return "", fmt.Errorf("Failed to get hugepage size, weird /proc/meminfo format")
+ }
+
+ // return strings.TrimSpace(sres[1]), nil
+ size := strings.Replace(sres[1], " ", "", -1)
+ // transform 2048k to 2M
+ sizeInt, _ := units.RAMInBytes(size)
+ return humanSize(sizeInt), nil
+ }
+ }
+ return "", fmt.Errorf("Failed to get hugepage size")
+}
--
1.8.3.1
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