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Process-to-container mapping support for CRIO and Docker runtime #3

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Process-to-container mapping support for CRIO and Docker runtime #3

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10 changes: 10 additions & 0 deletions pkg/gpumgr/process.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import (
"github.com/shirou/gopsutil/v3/process"
log "github.com/sirupsen/logrus"
"path/filepath"
"regexp"
)

type GpuProcess struct {
Expand All @@ -17,6 +18,8 @@ type GpuProcess struct {
ContainerId string
}

var scopeContainerCgroupRe = regexp.MustCompile(`[^-]+-(.+)\.scope`)

func (p *GpuProcess) SetProcessCmdline() {
if pr, err := process.NewProcess(int32(p.Pid)); err == nil {
var e error
Expand Down Expand Up @@ -66,6 +69,13 @@ func (p *GpuProcess) SetProcessContainerId() {
for _, c := range g.Controllers {
if c == "memory" {
p.ContainerId = filepath.Base(g.Path)
// Docker-based runtime container cgroup name is "docker-<ContainerId>.scope"
// CRIO runtime container cgroup name is "crio-<ContainerId>.scope"
// Containerd runtime container cgroup name is just "<ContainerId>"
scopeContainerMatch := scopeContainerCgroupRe.FindStringSubmatch(p.ContainerId)
for _, scopeContainerId := range scopeContainerMatch {
p.ContainerId = scopeContainerId
}
goto ExitContainerIdSet
}
}
Expand Down