{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "sandbox_config": {},
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 2.3893661499023438,
      "total_seconds": 2.809663772583008,
      "stats": {
        "pings_per_sec": 418.52508838132235
      },
      "ol-stats": {
        "fresh-cgroup.cnt": 17,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:45:50 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:45:50 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:45:50 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:45:50 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:45:50 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:45:50 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:45:50 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:45:50 remove worker.pid",
        "2021/02/05 21:45:50 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": false
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "sandbox_config": {},
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 16.805071592330933,
      "total_seconds": 17.049806118011475,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 947,
        "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": 945,
        "Create()/make-root-fs.cnt": 10,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 10,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 10,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 10,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 4157,
        "Pause().cnt": 4,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 87,
        "fresh-cgroup.cnt": 27,
        "fresh-cgroup.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 5,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 1277,
        "web-request.cnt": 4,
        "web-request.ms-avg": 4157
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:46:07 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:07 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:07 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:07 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:07 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:07 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:07 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:46:07 remove worker.pid",
        "2021/02/05 21:46:07 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 6.978631973266602,
      "total_seconds": 7.221451044082642,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 11,
        "Create().ms-avg": 97,
        "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": 146,
        "Create()/make-root-fs.cnt": 11,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 11,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 11,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 11,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 11,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 1736,
        "Pause().cnt": 8,
        "Pause().ms-avg": 6,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 47,
        "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": 5,
        "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": 1088,
        "web-request.cnt": 4,
        "web-request.ms-avg": 1736
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:46:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:46:14 remove worker.pid",
        "2021/02/05 21:46:14 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": false
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "docker",
        "sandbox_config": {},
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 23.51778483390808,
      "total_seconds": 24.543596029281616,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 1345,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 418,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 5865,
        "Pause().cnt": 4,
        "Pause().ms-avg": 76,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 1,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 1,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 2455,
        "web-request.cnt": 4,
        "web-request.ms-avg": 5865
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:46:38 Kill function: install",
        "2021/02/05 21:46:38 Destroy() [SB 6]",
        "2021/02/05 21:46:38 Kill function: install2",
        "2021/02/05 21:46:38 Destroy() [SB 7]",
        "2021/02/05 21:46:38 Kill function: install3",
        "2021/02/05 21:46:38 Destroy() [SB 9]",
        "2021/02/05 21:46:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:46:38 remove worker.pid",
        "2021/02/05 21:46:38 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 0.18923330307006836,
      "total_seconds": 0.42371582984924316,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 80,
        "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": 9,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 142,
        "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": 185,
        "Pause().cnt": 2,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 14,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 9,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 7,
        "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": 185
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:46:39 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:39 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:39 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:39 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:39 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:39 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:39 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:46:39 remove worker.pid",
        "2021/02/05 21:46:39 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 0.9302458763122559,
      "total_seconds": 1.1650516986846924,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 80,
        "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": 142,
        "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": 926,
        "Pause().cnt": 2,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 748,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 8,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 7,
        "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": 10,
        "web-request.cnt": 1,
        "web-request.ms-avg": 926
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:46:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:46:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:46:40 remove worker.pid",
        "2021/02/05 21:46:40 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 73.37673449516296,
      "total_seconds": 73.66323518753052,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 13,
        "Channel().ms-avg": 0,
        "Create().cnt": 14,
        "Create().ms-avg": 140,
        "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": 7,
        "Create()/fresh-proc.cnt": 9,
        "Create()/fresh-proc.ms-avg": 211,
        "Create()/make-root-fs.cnt": 14,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 14,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 14,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 14,
        "Destroy()/kill-procs.ms-avg": 3,
        "Destroy()/remove-root.cnt": 14,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 5,
        "LambdaFunc.Invoke.ms-avg": 14671,
        "Pause().cnt": 10,
        "Pause().ms-avg": 5,
        "ServeHTTP.cnt": 5,
        "ServeHTTP.ms-avg": 455,
        "Unpause().cnt": 4,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 5,
        "childExit().ms-avg": 0,
        "fork().cnt": 5,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 5,
        "forkRequest.ms-avg": 5,
        "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": 6,
        "pull-package.cnt": 8,
        "pull-package.ms-avg": 8850,
        "web-request.cnt": 5,
        "web-request.ms-avg": 14671
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:47:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:47:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:47:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:47:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:47:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:47:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:47:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:47:54 remove worker.pid",
        "2021/02/05 21:47:54 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 1,
        "seconds": 5,
        "fork": false
      },
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-dir/registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 5.063551425933838,
      "total_seconds": 5.288163661956787,
      "stats": {
        "sandboxes_per_sec": 5.0
      },
      "ol-stats": {
        "Create().cnt": 25,
        "Create().ms-avg": 153,
        "Create()/acquire-cgroup.cnt": 25,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 25,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fresh-proc.cnt": 25,
        "Create()/fresh-proc.ms-avg": 149,
        "Create()/make-root-fs.cnt": 25,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 50,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 25,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 25,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 25,
        "Destroy()/remove-root.ms-avg": 0,
        "fresh-cgroup.cnt": 42,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:47:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:47:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:47:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:47:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:47:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:47:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:47:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:47:59 remove worker.pid",
        "2021/02/05 21:47:59 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 1,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-dir/registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 10.202460527420044,
      "total_seconds": 10.433560609817505,
      "stats": {
        "sandboxes_per_sec": 38.5
      },
      "ol-stats": {
        "Create().cnt": 386,
        "Create().ms-avg": 11,
        "Create()/acquire-cgroup.cnt": 386,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 386,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 385,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 141,
        "Create()/make-root-fs.cnt": 386,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 771,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 386,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 386,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 386,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 385,
        "childExit().ms-avg": 0,
        "fork().cnt": 385,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 385,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 403,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 385,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:48:09 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:09 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:09 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:09 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:09 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:09 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:09 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:48:09 remove worker.pid",
        "2021/02/05 21:48:09 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 15,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-dir/registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 10.406068801879883,
      "total_seconds": 10.637514114379883,
      "stats": {
        "sandboxes_per_sec": 40.8
      },
      "ol-stats": {
        "Create().cnt": 409,
        "Create().ms-avg": 102,
        "Create()/acquire-cgroup.cnt": 409,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 409,
        "Create()/acquire-mem.ms-avg": 17,
        "Create()/fork-proc.cnt": 408,
        "Create()/fork-proc.ms-avg": 79,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 141,
        "Create()/make-root-fs.cnt": 409,
        "Create()/make-root-fs.ms-avg": 2,
        "Destroy().cnt": 817,
        "Destroy().ms-avg": 64,
        "Destroy()/detach-root.cnt": 409,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 409,
        "Destroy()/kill-procs.ms-avg": 15,
        "Destroy()/remove-root.cnt": 409,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 408,
        "childExit().ms-avg": 82,
        "fork().cnt": 408,
        "fork().ms-avg": 79,
        "forkRequest.cnt": 408,
        "forkRequest.ms-avg": 11,
        "fresh-cgroup.cnt": 426,
        "fresh-cgroup.ms-avg": 4,
        "move-to-cg-after-fork.cnt": 408,
        "move-to-cg-after-fork.ms-avg": 3
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:48:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:48:20 remove worker.pid",
        "2021/02/05 21:48:20 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "procs": 1,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-dir/registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 10.851629257202148,
      "total_seconds": 11.196969270706177,
      "stats": {
        "sandboxes_per_sec": 39.2
      },
      "ol-stats": {
        "Create().cnt": 425,
        "Create().ms-avg": 8,
        "Create()/acquire-cgroup.cnt": 425,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 425,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 424,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 139,
        "Create()/make-root-fs.cnt": 425,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 817,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 425,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 425,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 425,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 424,
        "childExit().ms-avg": 0,
        "fork().cnt": 424,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 424,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 442,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 424,
        "move-to-cg-after-fork.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:48:31 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:31 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:31 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:31 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:31 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:31 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:31 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:48:31 remove worker.pid",
        "2021/02/05 21:48:31 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "procs": 15,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-dir/registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "sock",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 11.809808731079102,
      "total_seconds": 12.356273889541626,
      "stats": {
        "sandboxes_per_sec": 35.6
      },
      "ol-stats": {
        "Create().cnt": 389,
        "Create().ms-avg": 147,
        "Create()/acquire-cgroup.cnt": 389,
        "Create()/acquire-cgroup.ms-avg": 1,
        "Create()/acquire-mem.cnt": 389,
        "Create()/acquire-mem.ms-avg": 81,
        "Create()/fork-proc.cnt": 388,
        "Create()/fork-proc.ms-avg": 59,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 788,
        "Create()/make-root-fs.cnt": 389,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 745,
        "Destroy().ms-avg": 54,
        "Destroy()/detach-root.cnt": 389,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 389,
        "Destroy()/kill-procs.ms-avg": 14,
        "Destroy()/remove-root.cnt": 389,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 388,
        "childExit().ms-avg": 62,
        "fork().cnt": 388,
        "fork().ms-avg": 59,
        "forkRequest.cnt": 388,
        "forkRequest.ms-avg": 12,
        "fresh-cgroup.cnt": 406,
        "fresh-cgroup.ms-avg": 6,
        "move-to-cg-after-fork.cnt": 388,
        "move-to-cg-after-fork.ms-avg": 3
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:48:44 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:44 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:44 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:44 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:44 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:44 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:48:44 remove worker.pid",
        "2021/02/05 21:48:44 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "sandbox_config": {},
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/tmp/tmp29jp7wuh",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 3000,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 6.036701202392578,
      "total_seconds": 6.378593444824219,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 46,
        "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": 8,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 141,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 4,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "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": 1590,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 1593,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 1590,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 1589,
        "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": 2,
        "web-request.cnt": 1590,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:48:50 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:50 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:50 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:50 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:50 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:50 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:48:50 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:48:50 remove worker.pid",
        "2021/02/05 21:48:50 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 1,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 15.048625946044922,
      "total_seconds": 15.284521341323853,
      "stats": {
        "reqs_per_sec": 268.8
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 46,
        "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": 143,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "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": 4032,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4035,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4032,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4031,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 5,
        "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": 4032,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:49:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:49:05 remove worker.pid",
        "2021/02/05 21:49:05 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 2,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 15.049789428710938,
      "total_seconds": 15.285765886306763,
      "stats": {
        "reqs_per_sec": 271.0
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 46,
        "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": 146,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "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": 4065,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 3747,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4065,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 3743,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 5,
        "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": 4065,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:49:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:49:20 remove worker.pid",
        "2021/02/05 21:49:20 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 8,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 15.076677083969116,
      "total_seconds": 15.430755853652954,
      "stats": {
        "reqs_per_sec": 240.13333333333333
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 45,
        "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": 143,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 4,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "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": 3602,
        "LambdaFunc.Invoke.ms-avg": 2,
        "Pause().cnt": 2659,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 3602,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 2655,
        "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": 2,
        "web-request.cnt": 3602,
        "web-request.ms-avg": 3
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:49:36 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:36 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:36 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:36 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:36 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:36 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:36 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:49:36 remove worker.pid",
        "2021/02/05 21:49:36 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 1,
        "lambda_count": 100
      },
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": true,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "sandbox_config": {},
        "server_mode": "lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/tmp/tmpj9plmetj",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 3.268766164779663,
      "total_seconds": 3.8372085094451904,
      "stats": {
        "reqs_per_sec": 30.594211927537092
      },
      "ol-stats": {
        "Channel().cnt": 100,
        "Channel().ms-avg": 0,
        "Create().cnt": 101,
        "Create().ms-avg": 8,
        "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": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 141,
        "Create()/make-root-fs.cnt": 101,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 151,
        "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": 4,
        "Destroy()/remove-root.cnt": 101,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 100,
        "LambdaFunc.Invoke.ms-avg": 28,
        "Pause().cnt": 200,
        "Pause().ms-avg": 8,
        "ServeHTTP.cnt": 100,
        "ServeHTTP.ms-avg": 7,
        "Unpause().cnt": 99,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 100,
        "childExit().ms-avg": 3,
        "evict.cnt": 50,
        "evict.ms-avg": 13,
        "fork().cnt": 100,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 100,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 70,
        "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": 3,
        "web-request.cnt": 100,
        "web-request.ms-avg": 28
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:49:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:49:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:49:40 remove worker.pid",
        "2021/02/05 21:49:40 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 10,
        "lambda_count": 1000
      },
      "pass": true,
      "conf": {
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": true,
          "import_cache": true
        },
        "worker_port": "5000",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "sandbox": "sock",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "docker_runtime": "",
        "registry": "/tmp/tmpyjlvzsv7",
        "mem_pool_mb": 500,
        "trace": {
          "evictor": false,
          "cgroups": false,
          "package": false,
          "memory": false
        },
        "registry_cache_ms": 5000,
        "server_mode": "lambda",
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        }
      },
      "seconds": 51.566168785095215,
      "total_seconds": 52.11140489578247,
      "stats": {
        "reqs_per_sec": 19.392570957875623
      },
      "ol-stats": {
        "Channel().cnt": 1000,
        "Channel().ms-avg": 0,
        "Create().cnt": 1001,
        "Create().ms-avg": 10,
        "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": 755,
        "Create()/make-root-fs.cnt": 1001,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 1981,
        "Destroy().ms-avg": 7,
        "Destroy()/detach-root.cnt": 1001,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 1001,
        "Destroy()/kill-procs.ms-avg": 8,
        "Destroy()/remove-root.cnt": 1001,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1000,
        "LambdaFunc.Invoke.ms-avg": 46,
        "Pause().cnt": 2000,
        "Pause().ms-avg": 10,
        "ServeHTTP.cnt": 1000,
        "ServeHTTP.ms-avg": 21,
        "Unpause().cnt": 999,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 1000,
        "childExit().ms-avg": 5,
        "evict.cnt": 980,
        "evict.ms-avg": 15,
        "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": 3,
        "web-request.cnt": 1000,
        "web-request.ms-avg": 47
      },
      "errors": [],
      "worker_tail": [
        "2021/02/05 21:50:32 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:50:32 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:50:32 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:50:32 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:50:32 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:50:32 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2021/02/05 21:50:32 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2021/02/05 21:50:32 remove worker.pid",
        "2021/02/05 21:50:32 exiting",
        ""
      ]
    }
  ],
  "passed": 18,
  "failed": 0,
  "seconds": 384.7061719894409
}