cgs.go

package main

import (
	"log"
	"os"
	"path"
	"strconv"

	"github.com/davecgh/go-spew/spew"
	"github.com/elastic/gosigar"
	"github.com/elastic/gosigar/cgroup"
)

func main() {
	pids, err := os.Readlink(path.Join(gosigar.Procd, "self"))
	if err != nil {
		panic(err)
	}
	pid, err := strconv.Atoi(pids)
	if err != nil {
		panic(err)
	}

	cgroups, err := cgroup.NewReader("", true)
	if err != nil {
		if err == cgroup.ErrCgroupsMissing {
			log.Fatalf("cgroup data collection disabled: %v", err)
		} else {
			log.Fatalf("cgroup data collection disabled: %v", err)
		}
		return
	}

	selfStats, err := cgroups.GetStatsForProcess(pid)
	if err != nil {
		log.Fatalf("error getting group status: %v", err)
		return
	}
	spew.Dump(selfStats)
	log.Println(pid)
}