{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 1.5547139644622803,
      "total_seconds": 1.8058116436004639,
      "stats": {
        "pings_per_sec": 643.210852514651
      },
      "ol-stats": {
        "fresh-cgroup.cnt": 17,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:40:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:40:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:40:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:40:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:40:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:40:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:40:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:40:54 remove worker.pid",
        "2022/01/13 21:40:54 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": false,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 7.414990186691284,
      "total_seconds": 7.671604633331299,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 189,
        "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": 179,
        "Create()/make-root-fs.cnt": 10,
        "Create()/make-root-fs.ms-avg": 9,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 11,
        "Destroy()/detach-root.cnt": 10,
        "Destroy()/detach-root.ms-avg": 6,
        "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": 1848,
        "Pause().cnt": 4,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 47,
        "fresh-cgroup.cnt": 27,
        "fresh-cgroup.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 3,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 1057,
        "web-request.cnt": 4,
        "web-request.ms-avg": 1848
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:41:02 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:02 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:02 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:02 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:02 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:02 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:02 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:41:02 remove worker.pid",
        "2022/01/13 21:41:02 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 6.613532781600952,
      "total_seconds": 6.876049280166626,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 11,
        "Create().ms-avg": 113,
        "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": 10,
        "Create()/fresh-proc.cnt": 7,
        "Create()/fresh-proc.ms-avg": 157,
        "Create()/make-root-fs.cnt": 11,
        "Create()/make-root-fs.ms-avg": 8,
        "Destroy().cnt": 11,
        "Destroy().ms-avg": 11,
        "Destroy()/detach-root.cnt": 11,
        "Destroy()/detach-root.ms-avg": 5,
        "Destroy()/kill-procs.cnt": 11,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 11,
        "Destroy()/remove-root.ms-avg": 1,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 1645,
        "Pause().cnt": 8,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 53,
        "Unpause().cnt": 3,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 4,
        "childExit().ms-avg": 0,
        "fork().cnt": 4,
        "fork().ms-avg": 10,
        "forkRequest.cnt": 4,
        "forkRequest.ms-avg": 9,
        "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": 1014,
        "web-request.cnt": 4,
        "web-request.ms-avg": 1645
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:41:09 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:09 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:09 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:09 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:09 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:09 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:09 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:41:09 remove worker.pid",
        "2022/01/13 21:41:09 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "docker",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": false,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 12.454225301742554,
      "total_seconds": 13.286266088485718,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 620,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 162,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 3102,
        "Pause().cnt": 4,
        "Pause().ms-avg": 35,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 1,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 2,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 1596,
        "web-request.cnt": 4,
        "web-request.ms-avg": 3102
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:41:22 Kill function: echo",
        "2022/01/13 21:41:22 Destroy() [SB 0]",
        "2022/01/13 21:41:22 Kill function: install",
        "2022/01/13 21:41:22 Destroy() [SB 6]",
        "2022/01/13 21:41:22 Kill function: install2",
        "2022/01/13 21:41:22 Destroy() [SB 7]",
        "2022/01/13 21:41:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:41:22 remove worker.pid",
        "2022/01/13 21:41:22 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 0.22296452522277832,
      "total_seconds": 0.46472811698913574,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 95,
        "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": 154,
        "Create()/make-root-fs.cnt": 2,
        "Create()/make-root-fs.ms-avg": 13,
        "Destroy().cnt": 2,
        "Destroy().ms-avg": 7,
        "Destroy()/detach-root.cnt": 2,
        "Destroy()/detach-root.ms-avg": 5,
        "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": 219,
        "Pause().cnt": 2,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 22,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 8,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 8,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 3,
        "web-request.cnt": 1,
        "web-request.ms-avg": 220
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:41:23 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:23 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:23 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:23 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:23 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:23 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:41:23 remove worker.pid",
        "2022/01/13 21:41:23 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 0.9632294178009033,
      "total_seconds": 1.217393398284912,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 91,
        "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": 5,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 151,
        "Create()/make-root-fs.cnt": 2,
        "Create()/make-root-fs.ms-avg": 13,
        "Destroy().cnt": 2,
        "Destroy().ms-avg": 7,
        "Destroy()/detach-root.cnt": 2,
        "Destroy()/detach-root.ms-avg": 6,
        "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": 960,
        "Pause().cnt": 2,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 766,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 5,
        "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": 0,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1,
        "web-request.ms-avg": 960
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:41:24 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:24 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:24 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:24 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:24 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:24 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:24 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:41:24 remove worker.pid",
        "2022/01/13 21:41:24 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 26.347761869430542,
      "total_seconds": 26.58743381500244,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 13,
        "Channel().ms-avg": 0,
        "Create().cnt": 14,
        "Create().ms-avg": 137,
        "Create()/acquire-cgroup.cnt": 14,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 14,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 5,
        "Create()/fork-proc.ms-avg": 9,
        "Create()/fresh-proc.cnt": 9,
        "Create()/fresh-proc.ms-avg": 155,
        "Create()/make-root-fs.cnt": 14,
        "Create()/make-root-fs.ms-avg": 32,
        "Destroy().cnt": 14,
        "Destroy().ms-avg": 9,
        "Destroy()/detach-root.cnt": 14,
        "Destroy()/detach-root.ms-avg": 4,
        "Destroy()/kill-procs.cnt": 14,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 14,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 5,
        "LambdaFunc.Invoke.ms-avg": 5266,
        "Pause().cnt": 10,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 5,
        "ServeHTTP.ms-avg": 213,
        "Unpause().cnt": 4,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 5,
        "childExit().ms-avg": 0,
        "fork().cnt": 5,
        "fork().ms-avg": 9,
        "forkRequest.cnt": 5,
        "forkRequest.ms-avg": 8,
        "fresh-cgroup.cnt": 31,
        "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": 2,
        "pull-package.cnt": 8,
        "pull-package.ms-avg": 3098,
        "web-request.cnt": 5,
        "web-request.ms-avg": 5266
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:41:50 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:50 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:50 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:50 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:50 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:50 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:50 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:41:50 remove worker.pid",
        "2022/01/13 21:41:50 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 1,
        "seconds": 5,
        "fork": false
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 5.062684774398804,
      "total_seconds": 5.293194770812988,
      "stats": {
        "sandboxes_per_sec": 5.6
      },
      "ol-stats": {
        "Create().cnt": 28,
        "Create().ms-avg": 162,
        "Create()/acquire-cgroup.cnt": 28,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 28,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fresh-proc.cnt": 28,
        "Create()/fresh-proc.ms-avg": 155,
        "Create()/make-root-fs.cnt": 28,
        "Create()/make-root-fs.ms-avg": 6,
        "Destroy().cnt": 56,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 28,
        "Destroy()/detach-root.ms-avg": 7,
        "Destroy()/kill-procs.cnt": 28,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 28,
        "Destroy()/remove-root.ms-avg": 0,
        "fresh-cgroup.cnt": 45,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:41:56 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:56 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:56 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:56 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:56 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:56 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:41:56 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:41:56 remove worker.pid",
        "2022/01/13 21:41:56 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 1,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 10.17839527130127,
      "total_seconds": 10.417122840881348,
      "stats": {
        "sandboxes_per_sec": 27.8
      },
      "ol-stats": {
        "Create().cnt": 279,
        "Create().ms-avg": 16,
        "Create()/acquire-cgroup.cnt": 279,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 279,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 278,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 142,
        "Create()/make-root-fs.cnt": 279,
        "Create()/make-root-fs.ms-avg": 7,
        "Destroy().cnt": 557,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 279,
        "Destroy()/detach-root.ms-avg": 3,
        "Destroy()/kill-procs.cnt": 279,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 279,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 278,
        "childExit().ms-avg": 0,
        "fork().cnt": 278,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 278,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 296,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 278,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:42:06 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:06 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:06 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:06 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:06 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:06 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:06 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:42:06 remove worker.pid",
        "2022/01/13 21:42:06 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 15,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 10.439668893814087,
      "total_seconds": 10.68164348602295,
      "stats": {
        "sandboxes_per_sec": 33.3
      },
      "ol-stats": {
        "Create().cnt": 334,
        "Create().ms-avg": 116,
        "Create()/acquire-cgroup.cnt": 334,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 334,
        "Create()/acquire-mem.ms-avg": 16,
        "Create()/fork-proc.cnt": 333,
        "Create()/fork-proc.ms-avg": 94,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 143,
        "Create()/make-root-fs.cnt": 334,
        "Create()/make-root-fs.ms-avg": 2,
        "Destroy().cnt": 667,
        "Destroy().ms-avg": 76,
        "Destroy()/detach-root.cnt": 334,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 334,
        "Destroy()/kill-procs.ms-avg": 12,
        "Destroy()/remove-root.cnt": 334,
        "Destroy()/remove-root.ms-avg": 1,
        "childExit().cnt": 333,
        "childExit().ms-avg": 92,
        "fork().cnt": 333,
        "fork().ms-avg": 94,
        "forkRequest.cnt": 333,
        "forkRequest.ms-avg": 11,
        "fresh-cgroup.cnt": 351,
        "fresh-cgroup.ms-avg": 4,
        "move-to-cg-after-fork.cnt": 333,
        "move-to-cg-after-fork.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:42:17 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:17 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:17 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:17 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:17 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:17 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:17 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:42:17 remove worker.pid",
        "2022/01/13 21:42:17 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "procs": 1,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 11.090685844421387,
      "total_seconds": 11.45009708404541,
      "stats": {
        "sandboxes_per_sec": 34.5
      },
      "ol-stats": {
        "Create().cnt": 378,
        "Create().ms-avg": 9,
        "Create()/acquire-cgroup.cnt": 378,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 378,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 377,
        "Create()/fork-proc.ms-avg": 8,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 154,
        "Create()/make-root-fs.cnt": 378,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 723,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 378,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 378,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 378,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 1,
        "childExit().cnt": 377,
        "childExit().ms-avg": 0,
        "fork().cnt": 377,
        "fork().ms-avg": 8,
        "forkRequest.cnt": 377,
        "forkRequest.ms-avg": 7,
        "fresh-cgroup.cnt": 395,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 377,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:42:28 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:28 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:28 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:28 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:28 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:28 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:28 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:42:28 remove worker.pid",
        "2022/01/13 21:42:28 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "procs": 15,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 11.431640148162842,
      "total_seconds": 11.820204257965088,
      "stats": {
        "sandboxes_per_sec": 30.9
      },
      "ol-stats": {
        "Create().cnt": 342,
        "Create().ms-avg": 214,
        "Create()/acquire-cgroup.cnt": 342,
        "Create()/acquire-cgroup.ms-avg": 1,
        "Create()/acquire-mem.cnt": 342,
        "Create()/acquire-mem.ms-avg": 122,
        "Create()/fork-proc.cnt": 341,
        "Create()/fork-proc.ms-avg": 84,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 274,
        "Create()/make-root-fs.cnt": 342,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 651,
        "Destroy().ms-avg": 76,
        "Destroy()/detach-root.cnt": 342,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 342,
        "Destroy()/kill-procs.ms-avg": 18,
        "Destroy()/remove-root.cnt": 342,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 1,
        "childExit().cnt": 341,
        "childExit().ms-avg": 91,
        "fork().cnt": 341,
        "fork().ms-avg": 84,
        "forkRequest.cnt": 341,
        "forkRequest.ms-avg": 13,
        "fresh-cgroup.cnt": 359,
        "fresh-cgroup.ms-avg": 3,
        "move-to-cg-after-fork.cnt": 341,
        "move-to-cg-after-fork.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:42:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:42:40 remove worker.pid",
        "2022/01/13 21:42:40 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/tmp/tmpkdqkob91",
        "registry_cache_ms": 3000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 6.052061557769775,
      "total_seconds": 6.412535905838013,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 90,
        "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": 11,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 281,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 10,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 7,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 2,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 4,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1864,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 1867,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 1864,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 1863,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 11,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 8,
        "fresh-cgroup.cnt": 21,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 3,
        "move-to-cg-after-fork.ms-avg": 1,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 1,
        "web-request.cnt": 1864,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:42:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:42:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:42:47 remove worker.pid",
        "2022/01/13 21:42:47 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 1,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 15.004804849624634,
      "total_seconds": 15.25065279006958,
      "stats": {
        "reqs_per_sec": 335.2
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 60,
        "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": 11,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 150,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 13,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 6,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 2,
        "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": 5028,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 5031,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 5028,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 5027,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 11,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 11,
        "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": 5028,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:43:02 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:02 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:02 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:02 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:02 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:02 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:02 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:43:02 remove worker.pid",
        "2022/01/13 21:43:02 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 2,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 15.010131597518921,
      "total_seconds": 15.255996942520142,
      "stats": {
        "reqs_per_sec": 339.8
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 58,
        "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": 11,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 148,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 11,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 9,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 3,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 3,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 5097,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4620,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 5097,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4616,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 1,
        "fork().cnt": 3,
        "fork().ms-avg": 11,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 10,
        "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": 2,
        "web-request.cnt": 5097,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:43:17 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:17 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:17 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:17 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:17 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:17 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:17 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:43:17 remove worker.pid",
        "2022/01/13 21:43:17 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 8,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 15.026498317718506,
      "total_seconds": 15.272474527359009,
      "stats": {
        "reqs_per_sec": 336.93333333333334
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 55,
        "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": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 147,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 12,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 15,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 6,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 4,
        "LambdaFunc.Invoke.cnt": 5054,
        "LambdaFunc.Invoke.ms-avg": 4,
        "Pause().cnt": 1947,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 5054,
        "ServeHTTP.ms-avg": 1,
        "Unpause().cnt": 1943,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 3,
        "fork().cnt": 3,
        "fork().ms-avg": 6,
        "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": 6,
        "web-request.cnt": 5054,
        "web-request.ms-avg": 4
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:43:32 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:32 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:32 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:32 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:32 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:32 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:32 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:43:32 remove worker.pid",
        "2022/01/13 21:43:32 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "lambda_count": 100,
        "alloc_mb": 1
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/tmp/tmpoqe12pwe",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": true,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 4.148399829864502,
      "total_seconds": 4.6177520751953125,
      "stats": {
        "reqs_per_sec": 24.105804974378664
      },
      "ol-stats": {
        "Channel().cnt": 100,
        "Channel().ms-avg": 0,
        "Create().cnt": 101,
        "Create().ms-avg": 9,
        "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": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 147,
        "Create()/make-root-fs.cnt": 101,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 159,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 101,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 101,
        "Destroy()/kill-procs.ms-avg": 7,
        "Destroy()/remove-root.cnt": 101,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 100,
        "LambdaFunc.Invoke.ms-avg": 35,
        "Pause().cnt": 200,
        "Pause().ms-avg": 6,
        "ServeHTTP.cnt": 100,
        "ServeHTTP.ms-avg": 8,
        "Unpause().cnt": 99,
        "Unpause().ms-avg": 1,
        "childExit().cnt": 100,
        "childExit().ms-avg": 0,
        "evict.cnt": 58,
        "evict.ms-avg": 12,
        "fork().cnt": 100,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 100,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 62,
        "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": 6,
        "web-request.cnt": 100,
        "web-request.ms-avg": 35
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:43:37 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:37 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:37 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:37 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:37 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:37 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:43:37 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:43:37 remove worker.pid",
        "2022/01/13 21:43:37 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "lambda_count": 1000,
        "alloc_mb": 10
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/tmp/tmprapsqug0",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": true,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 65.15554714202881,
      "total_seconds": 66.13249278068542,
      "stats": {
        "reqs_per_sec": 15.347892382685037
      },
      "ol-stats": {
        "Channel().cnt": 1000,
        "Channel().ms-avg": 0,
        "Create().cnt": 1001,
        "Create().ms-avg": 8,
        "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": 285,
        "Create()/make-root-fs.cnt": 1001,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 1983,
        "Destroy().ms-avg": 9,
        "Destroy()/detach-root.cnt": 1001,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 1001,
        "Destroy()/kill-procs.ms-avg": 16,
        "Destroy()/remove-root.cnt": 1001,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1000,
        "LambdaFunc.Invoke.ms-avg": 59,
        "Pause().cnt": 2000,
        "Pause().ms-avg": 8,
        "ServeHTTP.cnt": 1000,
        "ServeHTTP.ms-avg": 28,
        "Unpause().cnt": 999,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 1000,
        "childExit().ms-avg": 1,
        "evict.cnt": 982,
        "evict.ms-avg": 19,
        "fork().cnt": 1000,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 1000,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 38,
        "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": 8,
        "web-request.cnt": 1000,
        "web-request.ms-avg": 59
      },
      "errors": [],
      "worker_tail": [
        "2022/01/13 21:44:43 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:44:43 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:44:43 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:44:43 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:44:43 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:44:43 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/01/13 21:44:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/01/13 21:44:43 remove worker.pid",
        "2022/01/13 21:44:43 exiting",
        ""
      ]
    }
  ],
  "passed": 18,
  "failed": 0,
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