{"id":41446062,"url":"https://github.com/realjf/cgroup","last_synced_at":"2026-01-23T15:05:20.277Z","repository":{"id":64301954,"uuid":"572776070","full_name":"realjf/cgroup","owner":"realjf","description":"a go library to control 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returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["cgroup","cgroup2","cgroups-v2","go","go-cgroup"],"created_at":"2026-01-23T15:05:19.517Z","updated_at":"2026-01-23T15:05:20.272Z","avatar_url":"https://github.com/realjf.png","language":"Go","funding_links":[],"categories":[],"sub_categories":[],"readme":"# cgroup\na go library to control cgroup\n\n\n### Usage\n\n**`import`**\n```sh\ngo get github.com/realjf/cgroup\n```\n\n**`cgroup v1 example`**\n```go\nimport (\n \"fmt\"\n \"os\"\n \"sync\"\n\n \"github.com/realjf/utils\"\n \"github.com/sirupsen/logrus\"\n\n \"github.com/realjf/cgroup\"\n)\n\ntype Limiter struct {\n cg cgroup.ICgroup\n wg sync.WaitGroup\n}\n\nfunc main() {\n limiter := \u0026Limiter{\n  wg: sync.WaitGroup{},\n }\n\n var err error\n\n limiter.cg, err = cgroup.NewCgroup(cgroup.V1, cgroup.WithName(\"test\"))\n if err != nil {\n  logrus.Println(err.Error())\n  return\n }\n defer func() {\n  err = limiter.cg.Close()\n  if err != nil {\n   logrus.Println(err.Error())\n   return\n  }\n }()\n // limit\n limiter.cg.SetOptions(cgroup.WithCPULimit(80))                      // cpu usage limit 80%\n limiter.cg.SetOptions(cgroup.WithMemoryLimit(20 * cgroup.Megabyte)) // memory limit 8MB\n limiter.cg.SetOptions(cgroup.WithDisableOOMKiller())                // disable oom killer\n\n err = limiter.cg.Create()\n if err != nil {\n  logrus.Println(err.Error())\n  return\n }\n // limit by pid\n pid := os.Getpid()\n logrus.Printf(\"limit pid: %d\\n\", pid)\n err = limiter.cg.LimitPid(pid)\n if err != nil {\n  logrus.Println(err.Error())\n  return\n }\n wpids, err := limiter.cg.GetLimitPids()\n if err != nil {\n  logrus.Println(err.Error())\n  return\n }\n logrus.Printf(\"limit pid now: %v\\n\", wpids)\n limiter.wg.Add(1)\n go limiter.command()\n\n limiter.wg.Wait()\n\n logrus.Println(\"done\")\n}\n\nfunc (l *Limiter) command() {\n defer func() {\n  l.wg.Done()\n }()\n cmd := utils.NewCmd().SetDebug(true)\n defer cmd.Close()\n\n var err error\n err = cmd.SetUsername(os.Getenv(\"SUDO_USER\"))\n if err != nil {\n  fmt.Println(err.Error())\n  return\n }\n cmd.SetNoSetGroups(true)\n\n args := []string{\"--cpu\", \"1\", \"--vm\", \"1\", \"--vm-bytes\", \"20M\", \"--timeout\", \"10s\", \"--vm-keep\"}\n _, err = cmd.Command(\"stress\", args...)\n if err != nil {\n  fmt.Println(err.Error())\n  return\n }\n\n out, err := cmd.Run()\n if err != nil {\n  fmt.Println(err.Error())\n  return\n }\n fmt.Printf(\"%s\\n\", out)\n}\n\n\n\n```\n\n**`cgroup v2 example`**\n\n```go\nimport (\n \"fmt\"\n \"os\"\n \"sync\"\n\n \"github.com/realjf/utils\"\n \"github.com/sirupsen/logrus\"\n\n \"github.com/realjf/cgroup\"\n)\n\ntype Limiter struct {\n cg cgroup.ICgroup\n wg sync.WaitGroup\n}\n\nfunc main() {\n limiter := \u0026Limiter{\n  wg: sync.WaitGroup{},\n }\n\n var err error\n\n limiter.cg, err = cgroup.NewCgroup(cgroup.V2, cgroup.WithSlice(\"/\"), cgroup.WithGroup(\"mycgroup.slice\"))\n if err != nil {\n  logrus.Println(err.Error())\n  return\n }\n defer func() {\n  err = limiter.cg.Close()\n  if err != nil {\n   logrus.Println(err.Error())\n   return\n  }\n }()\n // limit\n limiter.cg.SetOptions(cgroup.WithCPULimit(80))                      // cpu usage limit 80%\n limiter.cg.SetOptions(cgroup.WithMemoryLimit(20 * cgroup.Megabyte)) // memory limit 8MB\n limiter.cg.SetOptions(cgroup.WithDisableOOMKiller())                // disable oom killer\n\n err = limiter.cg.Create()\n if err != nil {\n  logrus.Println(err.Error())\n  return\n }\n // limit by pid\n pid := os.Getpid()\n logrus.Printf(\"limit pid: %d\\n\", pid)\n err = limiter.cg.LimitPid(pid)\n if err != nil {\n  logrus.Println(err.Error())\n  return\n }\n wpids, err := limiter.cg.GetLimitPids()\n if err != nil {\n  logrus.Println(err.Error())\n  return\n }\n logrus.Printf(\"limit pid now: %v\\n\", wpids)\n limiter.wg.Add(1)\n go limiter.command()\n\n limiter.wg.Wait()\n\n logrus.Println(\"done\")\n}\n\nfunc (l *Limiter) command() {\n defer func() {\n  l.wg.Done()\n }()\n cmd := utils.NewCmd().SetDebug(true)\n defer cmd.Close()\n\n var err error\n err = cmd.SetUsername(os.Getenv(\"SUDO_USER\"))\n if err != nil {\n  fmt.Println(err.Error())\n  return\n }\n cmd.SetNoSetGroups(true)\n\n args := []string{\"--cpu\", \"1\", \"--vm\", \"1\", \"--vm-bytes\", \"20M\", \"--timeout\", \"10s\", \"--vm-keep\"}\n _, err = cmd.Command(\"stress\", args...)\n if err != nil {\n  fmt.Println(err.Error())\n  return\n }\n\n out, err := cmd.Run()\n if err != nil {\n  fmt.Println(err.Error())\n  return\n }\n fmt.Printf(\"%s\\n\", out)\n}\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Frealjf%2Fcgroup","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Frealjf%2Fcgroup","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Frealjf%2Fcgroup/lists"}