{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "sandbox": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "import_cache_tree": "",
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        }
      },
      "seconds": 2.6314408779144287,
      "total_seconds": 2.8347294330596924,
      "stats": {
        "pings_per_sec": 380.0229338181038
      },
      "ol-stats": {
        "fresh-cgroup.cnt": 17,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:50:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:50:21 remove worker.pid",
        "2021/03/25 21:50:21 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "sandbox": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "features": {
          "import_cache": false,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        },
        "import_cache_tree": ""
      },
      "seconds": 18.82013773918152,
      "total_seconds": 19.059388875961304,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 468,
        "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": 465,
        "Create()/make-root-fs.cnt": 10,
        "Create()/make-root-fs.ms-avg": 2,
        "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": 4664,
        "Pause().cnt": 4,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 209,
        "fresh-cgroup.cnt": 27,
        "fresh-cgroup.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 13,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 2316,
        "web-request.cnt": 4,
        "web-request.ms-avg": 4664
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:50:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:50:40 remove worker.pid",
        "2021/03/25 21:50:40 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        }
      },
      "seconds": 12.703322410583496,
      "total_seconds": 12.943562746047974,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 11,
        "Create().ms-avg": 91,
        "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": 6,
        "Create()/fresh-proc.cnt": 7,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 11,
        "Create()/make-root-fs.ms-avg": 1,
        "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": 3167,
        "Pause().cnt": 8,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 43,
        "Unpause().cnt": 3,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 4,
        "childExit().ms-avg": 0,
        "fork().cnt": 4,
        "fork().ms-avg": 6,
        "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": 2048,
        "web-request.cnt": 4,
        "web-request.ms-avg": 3168
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:50:53 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:53 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:53 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:53 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:53 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:53 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:50:53 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:50:53 remove worker.pid",
        "2021/03/25 21:50:53 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "sandbox": "docker",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "features": {
          "import_cache": false,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "import_cache_tree": "",
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        }
      },
      "seconds": 27.03701162338257,
      "total_seconds": 28.664851427078247,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 1530,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 426,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 6748,
        "Pause().cnt": 4,
        "Pause().ms-avg": 181,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 1,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 1,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 2497,
        "web-request.cnt": 4,
        "web-request.ms-avg": 6748
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:51:21 Kill function: echo",
        "2021/03/25 21:51:21 Destroy() [SB 0]",
        "2021/03/25 21:51:21 Kill function: install",
        "2021/03/25 21:51:21 Destroy() [SB 6]",
        "2021/03/25 21:51:21 Kill function: install2",
        "2021/03/25 21:51:21 Destroy() [SB 7]",
        "2021/03/25 21:51:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:51:22 remove worker.pid",
        "2021/03/25 21:51:22 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        }
      },
      "seconds": 0.17546343803405762,
      "total_seconds": 0.40736913681030273,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 75,
        "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": 134,
        "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": 171,
        "Pause().cnt": 2,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 12,
        "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": 3,
        "web-request.cnt": 1,
        "web-request.ms-avg": 171
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:51:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:51:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:51:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:51:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:51:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:51:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:51:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:51:22 remove worker.pid",
        "2021/03/25 21:51:22 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        }
      },
      "seconds": 0.8624048233032227,
      "total_seconds": 1.0947179794311523,
      "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": 136,
        "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": 858,
        "Pause().cnt": 2,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 697,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 1,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1,
        "web-request.ms-avg": 858
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:51:23 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:51:23 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:51:23 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:51:23 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:51:23 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:51:23 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:51:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:51:23 remove worker.pid",
        "2021/03/25 21:51:23 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        },
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "import_cache_tree": ""
      },
      "seconds": 91.76026773452759,
      "total_seconds": 92.12454128265381,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 13,
        "Channel().ms-avg": 0,
        "Create().cnt": 14,
        "Create().ms-avg": 106,
        "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": 6,
        "Create()/fresh-proc.cnt": 9,
        "Create()/fresh-proc.ms-avg": 147,
        "Create()/make-root-fs.cnt": 14,
        "Create()/make-root-fs.ms-avg": 8,
        "Destroy().cnt": 14,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 14,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 14,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 14,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 5,
        "LambdaFunc.Invoke.ms-avg": 18348,
        "Pause().cnt": 10,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 5,
        "ServeHTTP.ms-avg": 730,
        "Unpause().cnt": 4,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 5,
        "childExit().ms-avg": 0,
        "fork().cnt": 5,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 5,
        "forkRequest.ms-avg": 6,
        "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": 5,
        "pull-package.cnt": 8,
        "pull-package.ms-avg": 10980,
        "web-request.cnt": 5,
        "web-request.ms-avg": 18348
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:52:55 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:52:55 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:52:55 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:52:55 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:52:55 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:52:55 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:52:55 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:52:55 remove worker.pid",
        "2021/03/25 21:52:55 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "fork": false,
        "baseline": 0,
        "procs": 1,
        "seconds": 5
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-dir/registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        },
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "import_cache_tree": ""
      },
      "seconds": 5.093137979507446,
      "total_seconds": 5.316833019256592,
      "stats": {
        "sandboxes_per_sec": 6.2
      },
      "ol-stats": {
        "Create().cnt": 31,
        "Create().ms-avg": 144,
        "Create()/acquire-cgroup.cnt": 31,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 31,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fresh-proc.cnt": 31,
        "Create()/fresh-proc.ms-avg": 139,
        "Create()/make-root-fs.cnt": 31,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 62,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 31,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 31,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 31,
        "Destroy()/remove-root.ms-avg": 0,
        "fresh-cgroup.cnt": 48,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:53:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:53:01 remove worker.pid",
        "2021/03/25 21:53:01 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "fork": true,
        "baseline": 0,
        "procs": 1,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-dir/registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        },
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "import_cache_tree": ""
      },
      "seconds": 10.170432329177856,
      "total_seconds": 10.396260499954224,
      "stats": {
        "sandboxes_per_sec": 44.3
      },
      "ol-stats": {
        "Create().cnt": 444,
        "Create().ms-avg": 10,
        "Create()/acquire-cgroup.cnt": 444,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 444,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 443,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 134,
        "Create()/make-root-fs.cnt": 444,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 887,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 444,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 444,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 444,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 443,
        "childExit().ms-avg": 0,
        "fork().cnt": 443,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 443,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 461,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 443,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:53:11 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:11 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:11 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:11 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:11 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:11 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:11 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:53:11 remove worker.pid",
        "2021/03/25 21:53:11 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "fork": true,
        "baseline": 0,
        "procs": 15,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-dir/registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        },
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "import_cache_tree": ""
      },
      "seconds": 10.40361738204956,
      "total_seconds": 10.638143062591553,
      "stats": {
        "sandboxes_per_sec": 47.5
      },
      "ol-stats": {
        "Create().cnt": 476,
        "Create().ms-avg": 55,
        "Create()/acquire-cgroup.cnt": 476,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 476,
        "Create()/acquire-mem.ms-avg": 18,
        "Create()/fork-proc.cnt": 475,
        "Create()/fork-proc.ms-avg": 35,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 134,
        "Create()/make-root-fs.cnt": 476,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 951,
        "Destroy().ms-avg": 48,
        "Destroy()/detach-root.cnt": 476,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 476,
        "Destroy()/kill-procs.ms-avg": 20,
        "Destroy()/remove-root.cnt": 476,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 475,
        "childExit().ms-avg": 33,
        "fork().cnt": 475,
        "fork().ms-avg": 35,
        "forkRequest.cnt": 475,
        "forkRequest.ms-avg": 7,
        "fresh-cgroup.cnt": 493,
        "fresh-cgroup.ms-avg": 1,
        "move-to-cg-after-fork.cnt": 475,
        "move-to-cg-after-fork.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:53:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:53:22 remove worker.pid",
        "2021/03/25 21:53:22 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "fork": true,
        "baseline": 32,
        "procs": 1,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-dir/registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        },
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "import_cache_tree": ""
      },
      "seconds": 10.805777311325073,
      "total_seconds": 11.562737941741943,
      "stats": {
        "sandboxes_per_sec": 42.6
      },
      "ol-stats": {
        "Create().cnt": 459,
        "Create().ms-avg": 7,
        "Create()/acquire-cgroup.cnt": 459,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 459,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 458,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 134,
        "Create()/make-root-fs.cnt": 459,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 885,
        "Destroy().ms-avg": 0,
        "Destroy()/detach-root.cnt": 459,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 459,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 459,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 458,
        "childExit().ms-avg": 0,
        "fork().cnt": 458,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 458,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 476,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 458,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:53:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:53:33 remove worker.pid",
        "2021/03/25 21:53:33 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "fork": true,
        "baseline": 32,
        "procs": 15,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-dir/registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        },
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "import_cache_tree": ""
      },
      "seconds": 11.135191917419434,
      "total_seconds": 12.779361724853516,
      "stats": {
        "sandboxes_per_sec": 36.6
      },
      "ol-stats": {
        "Create().cnt": 399,
        "Create().ms-avg": 143,
        "Create()/acquire-cgroup.cnt": 399,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 399,
        "Create()/acquire-mem.ms-avg": 75,
        "Create()/fork-proc.cnt": 398,
        "Create()/fork-proc.ms-avg": 60,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 273,
        "Create()/make-root-fs.cnt": 399,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 765,
        "Destroy().ms-avg": 53,
        "Destroy()/detach-root.cnt": 399,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 399,
        "Destroy()/kill-procs.ms-avg": 11,
        "Destroy()/remove-root.cnt": 399,
        "Destroy()/remove-root.ms-avg": 3,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 398,
        "childExit().ms-avg": 66,
        "fork().cnt": 398,
        "fork().ms-avg": 60,
        "forkRequest.cnt": 398,
        "forkRequest.ms-avg": 13,
        "fresh-cgroup.cnt": 416,
        "fresh-cgroup.ms-avg": 2,
        "move-to-cg-after-fork.cnt": 398,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:53:46 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:46 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:46 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:46 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:46 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:46 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:46 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:53:46 remove worker.pid",
        "2021/03/25 21:53:46 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 3000,
        "registry": "/tmp/tmp0_qvejs4",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "sandbox": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        },
        "import_cache_tree": ""
      },
      "seconds": 6.030307769775391,
      "total_seconds": 6.370209693908691,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 41,
        "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": 135,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 2,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 2,
        "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": 1719,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 1722,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 1719,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 1718,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "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": 2,
        "web-request.cnt": 1719,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:53:52 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:52 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:52 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:52 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:52 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:52 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:53:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:53:52 remove worker.pid",
        "2021/03/25 21:53:52 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 1,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        }
      },
      "seconds": 15.042614221572876,
      "total_seconds": 15.272310495376587,
      "stats": {
        "reqs_per_sec": 289.46666666666664
      },
      "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": 135,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 2,
        "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": 4342,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4345,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4342,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4341,
        "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": 4342,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:54:08 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:08 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:08 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:08 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:08 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:08 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:08 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:54:08 remove worker.pid",
        "2021/03/25 21:54:08 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 2,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        }
      },
      "seconds": 15.045351266860962,
      "total_seconds": 15.275153875350952,
      "stats": {
        "reqs_per_sec": 286.6666666666667
      },
      "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": 135,
        "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": 4300,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 3817,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4300,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 3813,
        "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": 1,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 4300,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:54:23 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:23 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:23 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:23 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:23 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:23 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:54:23 remove worker.pid",
        "2021/03/25 21:54:23 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 8,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/root/open-lambda/test-registry",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        }
      },
      "seconds": 15.062472105026245,
      "total_seconds": 15.293558359146118,
      "stats": {
        "reqs_per_sec": 265.4
      },
      "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": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 136,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 3981,
        "LambdaFunc.Invoke.ms-avg": 2,
        "Pause().cnt": 3098,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 3981,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 3094,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "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": 3,
        "web-request.cnt": 3981,
        "web-request.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:54:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:54:38 remove worker.pid",
        "2021/03/25 21:54:38 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "lambda_count": 100,
        "alloc_mb": 1
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/tmp/tmppjpdg7zm",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "sandbox": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": true
        },
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        },
        "import_cache_tree": ""
      },
      "seconds": 2.7657673358917236,
      "total_seconds": 3.232621669769287,
      "stats": {
        "reqs_per_sec": 36.15669593474405
      },
      "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": 136,
        "Create()/make-root-fs.cnt": 101,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 151,
        "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": 23,
        "Pause().cnt": 200,
        "Pause().ms-avg": 9,
        "ServeHTTP.cnt": 100,
        "ServeHTTP.ms-avg": 5,
        "Unpause().cnt": 99,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 100,
        "childExit().ms-avg": 3,
        "evict.cnt": 50,
        "evict.ms-avg": 10,
        "fork().cnt": 100,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 100,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 68,
        "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": 23
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:54:41 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:41 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:41 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:41 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:41 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:41 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:54:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:54:41 remove worker.pid",
        "2021/03/25 21:54:41 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "lambda_count": 1000,
        "alloc_mb": 10
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox_config": {},
        "registry_cache_ms": 5000,
        "registry": "/tmp/tmpp7_3c024",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "pip_mirror": "",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": true
        },
        "sandbox": "sock",
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "trace": {
          "package": false,
          "evictor": false,
          "memory": false,
          "cgroups": false
        },
        "limits": {
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "procs": 10
        }
      },
      "seconds": 44.01513385772705,
      "total_seconds": 44.8076868057251,
      "stats": {
        "reqs_per_sec": 22.719472861498275
      },
      "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": 208,
        "Create()/make-root-fs.cnt": 1001,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 1981,
        "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": 40,
        "Pause().cnt": 2000,
        "Pause().ms-avg": 8,
        "ServeHTTP.cnt": 1000,
        "ServeHTTP.ms-avg": 19,
        "Unpause().cnt": 999,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 1000,
        "childExit().ms-avg": 3,
        "evict.cnt": 980,
        "evict.ms-avg": 11,
        "fork().cnt": 1000,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 1000,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 40,
        "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": 4,
        "web-request.cnt": 1000,
        "web-request.ms-avg": 40
      },
      "errors": [],
      "worker_tail": [
        "2021/03/25 21:55:26 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:55:26 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:55:26 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:55:26 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:55:26 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:55:26 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/03/25 21:55:26 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/03/25 21:55:26 remove worker.pid",
        "2021/03/25 21:55:26 exiting",
        ""
      ]
    }
  ],
  "passed": 18,
  "failed": 0,
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