{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "sandbox": "sock",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "pip_mirror": "",
        "import_cache_tree": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250
        }
      },
      "seconds": 2.1859309673309326,
      "total_seconds": 2.320614814758301,
      "stats": {
        "pings_per_sec": 457.4752794198055
      },
      "ol-stats": {
        "fresh-cgroup.cnt": 17,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:46:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:46:22 remove worker.pid",
        "2020/05/10 21:46:22 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "sandbox": "sock",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "pip_mirror": "",
        "import_cache_tree": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "features": {
          "import_cache": false,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250
        }
      },
      "seconds": 10.441200494766235,
      "total_seconds": 10.67934274673462,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 262,
        "Create()/acquire-cgroup.cnt": 10,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 10,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fresh-proc.cnt": 10,
        "Create()/fresh-proc.ms-avg": 261,
        "Create()/make-root-fs.cnt": 10,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 10,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 10,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 10,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 2597,
        "Pause().cnt": 4,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 160,
        "fresh-cgroup.cnt": 27,
        "fresh-cgroup.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 41,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 1298,
        "web-request.cnt": 4,
        "web-request.ms-avg": 2597
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:46:32 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:32 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:32 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:32 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:32 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:32 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:32 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:46:32 remove worker.pid",
        "2020/05/10 21:46:32 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/root/open-lambda/test-registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 8.68852972984314,
      "total_seconds": 8.925400972366333,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 11,
        "Create().ms-avg": 145,
        "Create()/acquire-cgroup.cnt": 11,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 11,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 4,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 7,
        "Create()/fresh-proc.ms-avg": 140,
        "Create()/make-root-fs.cnt": 11,
        "Create()/make-root-fs.ms-avg": 53,
        "Destroy().cnt": 11,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 11,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 11,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 11,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 2164,
        "Pause().cnt": 8,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 44,
        "Unpause().cnt": 3,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 4,
        "childExit().ms-avg": 0,
        "fork().cnt": 4,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 4,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 28,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 4,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 1,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 1282,
        "web-request.cnt": 4,
        "web-request.ms-avg": 2164
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:46:41 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:41 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:41 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:41 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:41 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:41 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:46:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:46:41 remove worker.pid",
        "2020/05/10 21:46:41 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "sandbox": "docker",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "pip_mirror": "",
        "import_cache_tree": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "features": {
          "import_cache": false,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250
        }
      },
      "seconds": 23.09698724746704,
      "total_seconds": 24.118200063705444,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 967,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 329,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 5763,
        "Pause().cnt": 4,
        "Pause().ms-avg": 31,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 1,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 2,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 2867,
        "web-request.cnt": 4,
        "web-request.ms-avg": 5763
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:47:05 Kill function: install",
        "2020/05/10 21:47:05 Destroy() [SB 6]",
        "2020/05/10 21:47:05 Kill function: install2",
        "2020/05/10 21:47:05 Destroy() [SB 7]",
        "2020/05/10 21:47:05 Kill function: install3",
        "2020/05/10 21:47:05 Destroy() [SB 9]",
        "2020/05/10 21:47:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:47:05 remove worker.pid",
        "2020/05/10 21:47:05 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/root/open-lambda/test-registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 0.17869091033935547,
      "total_seconds": 0.41253089904785156,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 76,
        "Create()/acquire-cgroup.cnt": 2,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 2,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 1,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 135,
        "Create()/make-root-fs.cnt": 2,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 2,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 2,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 2,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 2,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1,
        "LambdaFunc.Invoke.ms-avg": 174,
        "Pause().cnt": 2,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 13,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 2,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 5,
        "web-request.cnt": 1,
        "web-request.ms-avg": 175
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:47:06 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:47:06 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:47:06 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:47:06 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:47:06 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:47:06 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:47:06 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:47:06 remove worker.pid",
        "2020/05/10 21:47:06 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/root/open-lambda/test-registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 0.8402462005615234,
      "total_seconds": 1.0697646141052246,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 76,
        "Create()/acquire-cgroup.cnt": 2,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 2,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 1,
        "Create()/fork-proc.ms-avg": 8,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 135,
        "Create()/make-root-fs.cnt": 2,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 2,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 2,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 2,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 2,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1,
        "LambdaFunc.Invoke.ms-avg": 836,
        "Pause().cnt": 2,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 676,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 8,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 3,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 3,
        "web-request.cnt": 1,
        "web-request.ms-avg": 836
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:47:07 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:47:07 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:47:07 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:47:07 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:47:07 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:47:07 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:47:07 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:47:07 remove worker.pid",
        "2020/05/10 21:47:07 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/root/open-lambda/test-registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 53.95254921913147,
      "total_seconds": 54.23012328147888,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 12,
        "Channel().ms-avg": 0,
        "Create().cnt": 13,
        "Create().ms-avg": 155,
        "Create()/acquire-cgroup.cnt": 13,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 13,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 5,
        "Create()/fork-proc.ms-avg": 5,
        "Create()/fresh-proc.cnt": 8,
        "Create()/fresh-proc.ms-avg": 245,
        "Create()/make-root-fs.cnt": 13,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 13,
        "Destroy().ms-avg": 4,
        "Destroy()/detach-root.cnt": 13,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 13,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 13,
        "Destroy()/remove-root.ms-avg": 1,
        "LambdaFunc.Invoke.cnt": 5,
        "LambdaFunc.Invoke.ms-avg": 10786,
        "Pause().cnt": 10,
        "Pause().ms-avg": 5,
        "ServeHTTP.cnt": 5,
        "ServeHTTP.ms-avg": 434,
        "Unpause().cnt": 4,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 5,
        "childExit().ms-avg": 0,
        "fork().cnt": 5,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 5,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 30,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 5,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 5,
        "pull-lambda.ms-avg": 7,
        "pull-package.cnt": 7,
        "pull-package.ms-avg": 7344,
        "web-request.cnt": 5,
        "web-request.ms-avg": 10786
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:48:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:48:01 remove worker.pid",
        "2020/05/10 21:48:01 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "fork": false,
        "seconds": 5,
        "procs": 1
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/root/open-lambda/test-dir/registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 5.137540578842163,
      "total_seconds": 5.260655403137207,
      "stats": {
        "sandboxes_per_sec": 6.4
      },
      "ol-stats": {
        "Create().cnt": 32,
        "Create().ms-avg": 141,
        "Create()/acquire-cgroup.cnt": 32,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 32,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fresh-proc.cnt": 32,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 32,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 64,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 32,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 32,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 32,
        "Destroy()/remove-root.ms-avg": 0,
        "fresh-cgroup.cnt": 49,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:48:06 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:06 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:06 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:06 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:06 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:06 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:06 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:48:06 remove worker.pid",
        "2020/05/10 21:48:06 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "fork": true,
        "seconds": 10,
        "procs": 1
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/root/open-lambda/test-dir/registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 10.166854619979858,
      "total_seconds": 10.401534795761108,
      "stats": {
        "sandboxes_per_sec": 46.0
      },
      "ol-stats": {
        "Create().cnt": 461,
        "Create().ms-avg": 10,
        "Create()/acquire-cgroup.cnt": 461,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 461,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 460,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 135,
        "Create()/make-root-fs.cnt": 461,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 921,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 461,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 461,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 461,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 460,
        "childExit().ms-avg": 0,
        "fork().cnt": 460,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 460,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 478,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 460,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:48:17 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:17 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:17 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:17 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:17 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:17 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:17 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:48:17 remove worker.pid",
        "2020/05/10 21:48:17 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "fork": true,
        "seconds": 10,
        "procs": 15
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/root/open-lambda/test-dir/registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 10.338862180709839,
      "total_seconds": 10.574065923690796,
      "stats": {
        "sandboxes_per_sec": 45.1
      },
      "ol-stats": {
        "Create().cnt": 452,
        "Create().ms-avg": 93,
        "Create()/acquire-cgroup.cnt": 452,
        "Create()/acquire-cgroup.ms-avg": 1,
        "Create()/acquire-mem.cnt": 452,
        "Create()/acquire-mem.ms-avg": 18,
        "Create()/fork-proc.cnt": 451,
        "Create()/fork-proc.ms-avg": 69,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 133,
        "Create()/make-root-fs.cnt": 452,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 903,
        "Destroy().ms-avg": 56,
        "Destroy()/detach-root.cnt": 452,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 452,
        "Destroy()/kill-procs.ms-avg": 17,
        "Destroy()/remove-root.cnt": 452,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 451,
        "childExit().ms-avg": 66,
        "fork().cnt": 451,
        "fork().ms-avg": 69,
        "forkRequest.cnt": 451,
        "forkRequest.ms-avg": 10,
        "fresh-cgroup.cnt": 469,
        "fresh-cgroup.ms-avg": 4,
        "move-to-cg-after-fork.cnt": 451,
        "move-to-cg-after-fork.ms-avg": 3
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:48:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:48:27 remove worker.pid",
        "2020/05/10 21:48:27 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "fork": true,
        "seconds": 10,
        "procs": 1
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/root/open-lambda/test-dir/registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 10.780585050582886,
      "total_seconds": 11.126593112945557,
      "stats": {
        "sandboxes_per_sec": 45.6
      },
      "ol-stats": {
        "Create().cnt": 489,
        "Create().ms-avg": 6,
        "Create()/acquire-cgroup.cnt": 489,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 489,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 488,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 138,
        "Create()/make-root-fs.cnt": 489,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 945,
        "Destroy().ms-avg": 0,
        "Destroy()/detach-root.cnt": 489,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 489,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 489,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 488,
        "childExit().ms-avg": 0,
        "fork().cnt": 488,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 488,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 506,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 488,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:48:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:48:38 remove worker.pid",
        "2020/05/10 21:48:38 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "fork": true,
        "seconds": 10,
        "procs": 15
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/root/open-lambda/test-dir/registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 11.046197414398193,
      "total_seconds": 11.493507146835327,
      "stats": {
        "sandboxes_per_sec": 42.7
      },
      "ol-stats": {
        "Create().cnt": 460,
        "Create().ms-avg": 122,
        "Create()/acquire-cgroup.cnt": 460,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 460,
        "Create()/acquire-mem.ms-avg": 71,
        "Create()/fork-proc.cnt": 459,
        "Create()/fork-proc.ms-avg": 48,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 135,
        "Create()/make-root-fs.cnt": 460,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 887,
        "Destroy().ms-avg": 46,
        "Destroy()/detach-root.cnt": 460,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 460,
        "Destroy()/kill-procs.ms-avg": 10,
        "Destroy()/remove-root.cnt": 460,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 459,
        "childExit().ms-avg": 52,
        "fork().cnt": 459,
        "fork().ms-avg": 48,
        "forkRequest.cnt": 459,
        "forkRequest.ms-avg": 10,
        "fresh-cgroup.cnt": 477,
        "fresh-cgroup.ms-avg": 3,
        "move-to-cg-after-fork.cnt": 459,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:48:50 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:50 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:50 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:50 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:50 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:50 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:50 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:48:50 remove worker.pid",
        "2020/05/10 21:48:50 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "sandbox": "sock",
        "registry_cache_ms": 3000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "registry": "/tmp/tmpvzzhpt87",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "pip_mirror": "",
        "import_cache_tree": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250
        }
      },
      "seconds": 6.031407833099365,
      "total_seconds": 6.275105237960815,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 43,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 141,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 2,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1694,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 1697,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 1694,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 1693,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 21,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 3,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 1,
        "web-request.cnt": 1694,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:48:56 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:56 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:56 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:56 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:56 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:56 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:48:56 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:48:56 remove worker.pid",
        "2020/05/10 21:48:56 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "seconds": 15,
        "procs": 1
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/root/open-lambda/test-registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 15.042162656784058,
      "total_seconds": 15.272533893585205,
      "stats": {
        "reqs_per_sec": 285.6
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 43,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4284,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4287,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4284,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4283,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 21,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 3,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 1,
        "web-request.cnt": 4284,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:49:12 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:12 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:12 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:12 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:12 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:12 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:12 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:49:12 remove worker.pid",
        "2020/05/10 21:49:12 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "seconds": 15,
        "procs": 2
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/root/open-lambda/test-registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 15.045748949050903,
      "total_seconds": 15.277504682540894,
      "stats": {
        "reqs_per_sec": 288.06666666666666
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 43,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4321,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 3989,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4321,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 3985,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 21,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 3,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 1,
        "web-request.cnt": 4321,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:49:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:49:27 remove worker.pid",
        "2020/05/10 21:49:27 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "seconds": 15,
        "procs": 8
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/root/open-lambda/test-registry",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 15.067125797271729,
      "total_seconds": 15.297736883163452,
      "stats": {
        "reqs_per_sec": 264.46666666666664
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 43,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 133,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 3967,
        "LambdaFunc.Invoke.ms-avg": 2,
        "Pause().cnt": 2955,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 3967,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 2951,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 21,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 3,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 3,
        "web-request.cnt": 3967,
        "web-request.ms-avg": 3
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:49:42 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:42 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:42 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:42 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:42 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:42 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:42 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:49:42 remove worker.pid",
        "2020/05/10 21:49:42 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "lambda_count": 100,
        "alloc_mb": 1
      },
      "pass": true,
      "conf": {
        "sandbox": "sock",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "registry": "/tmp/tmp1jn4r1db",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "pip_mirror": "",
        "import_cache_tree": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": true
        },
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250
        }
      },
      "seconds": 2.8561580181121826,
      "total_seconds": 3.312696695327759,
      "stats": {
        "reqs_per_sec": 35.01337198493816
      },
      "ol-stats": {
        "Channel().cnt": 100,
        "Channel().ms-avg": 0,
        "Create().cnt": 101,
        "Create().ms-avg": 7,
        "Create()/acquire-cgroup.cnt": 101,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 101,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 100,
        "Create()/fork-proc.ms-avg": 5,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 101,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 158,
        "Destroy().ms-avg": 4,
        "Destroy()/detach-root.cnt": 101,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 101,
        "Destroy()/kill-procs.ms-avg": 3,
        "Destroy()/remove-root.cnt": 101,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 100,
        "LambdaFunc.Invoke.ms-avg": 24,
        "Pause().cnt": 200,
        "Pause().ms-avg": 9,
        "ServeHTTP.cnt": 100,
        "ServeHTTP.ms-avg": 6,
        "Unpause().cnt": 99,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 100,
        "childExit().ms-avg": 3,
        "evict.cnt": 57,
        "evict.ms-avg": 10,
        "fork().cnt": 100,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 100,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 65,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 100,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 100,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 100,
        "web-request.ms-avg": 25
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:49:45 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:45 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:45 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:45 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:45 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:45 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:49:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:49:45 remove worker.pid",
        "2020/05/10 21:49:45 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "lambda_count": 1000,
        "alloc_mb": 10
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "docker_runtime": "",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "registry": "/tmp/tmpwgqp9be1",
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": true
        },
        "pip_mirror": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "limits": {
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "procs": 10
        }
      },
      "seconds": 43.64704895019531,
      "total_seconds": 44.63195443153381,
      "stats": {
        "reqs_per_sec": 22.911070162104338
      },
      "ol-stats": {
        "Channel().cnt": 1000,
        "Channel().ms-avg": 0,
        "Create().cnt": 1001,
        "Create().ms-avg": 7,
        "Create()/acquire-cgroup.cnt": 1001,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 1001,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 1000,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 1001,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 1982,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 1001,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 1001,
        "Destroy()/kill-procs.ms-avg": 7,
        "Destroy()/remove-root.cnt": 1001,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1000,
        "LambdaFunc.Invoke.ms-avg": 39,
        "Pause().cnt": 2000,
        "Pause().ms-avg": 9,
        "ServeHTTP.cnt": 1000,
        "ServeHTTP.ms-avg": 19,
        "Unpause().cnt": 999,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 1000,
        "childExit().ms-avg": 3,
        "evict.cnt": 981,
        "evict.ms-avg": 11,
        "fork().cnt": 1000,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 1000,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 41,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1000,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1000,
        "pull-lambda.ms-avg": 3,
        "web-request.cnt": 1000,
        "web-request.ms-avg": 39
      },
      "errors": [],
      "worker_tail": [
        "2020/05/10 21:50:30 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:50:30 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:50:30 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:50:30 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:50:30 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:50:30 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/10 21:50:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/10 21:50:30 remove worker.pid",
        "2020/05/10 21:50:30 exiting",
        ""
      ]
    }
  ],
  "passed": 18,
  "failed": 0,
  "seconds": 348.22594451904297
}