{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 2.245044231414795,
      "total_seconds": 2.8621842861175537,
      "stats": {
        "pings_per_sec": 445.4298272135775
      },
      "ol-stats": {
        "fresh-cgroup.cnt": 17,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:43:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:43:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:43:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:43:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:43:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:43:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:43:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:43:40 remove worker.pid",
        "2020/06/20 21:43:40 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": false
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 11.05834674835205,
      "total_seconds": 11.579687118530273,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 291,
        "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": 289,
        "Create()/make-root-fs.cnt": 10,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 10,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 10,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 10,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 2578,
        "Pause().cnt": 4,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 99,
        "fresh-cgroup.cnt": 27,
        "fresh-cgroup.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 4,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 1310,
        "web-request.cnt": 4,
        "web-request.ms-avg": 2578
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:43:52 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:43:52 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:43:52 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:43:52 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:43:52 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:43:52 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:43:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:43:52 remove worker.pid",
        "2020/06/20 21:43:52 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 8.386106491088867,
      "total_seconds": 8.62708854675293,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 11,
        "Create().ms-avg": 104,
        "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": 139,
        "Create()/make-root-fs.cnt": 11,
        "Create()/make-root-fs.ms-avg": 13,
        "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": 2088,
        "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": 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": 1328,
        "web-request.cnt": 4,
        "web-request.ms-avg": 2088
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:44:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:44:01 remove worker.pid",
        "2020/06/20 21:44:01 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "docker",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": false
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 19.23092269897461,
      "total_seconds": 20.25828719139099,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 834,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 239,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 4796,
        "Pause().cnt": 4,
        "Pause().ms-avg": 29,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 1,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 1,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 2318,
        "web-request.cnt": 4,
        "web-request.ms-avg": 4796
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:44:21 Kill function: install",
        "2020/06/20 21:44:21 Destroy() [SB 6]",
        "2020/06/20 21:44:21 Kill function: install2",
        "2020/06/20 21:44:21 Destroy() [SB 7]",
        "2020/06/20 21:44:21 Kill function: install3",
        "2020/06/20 21:44:21 Destroy() [SB 9]",
        "2020/06/20 21:44:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:44:21 remove worker.pid",
        "2020/06/20 21:44:21 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 0.17618894577026367,
      "total_seconds": 0.4082612991333008,
      "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": 5,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 137,
        "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": 172,
        "Pause().cnt": 2,
        "Pause().ms-avg": 5,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 11,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1,
        "web-request.ms-avg": 172
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:44:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:44:22 remove worker.pid",
        "2020/06/20 21:44:22 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 0.8474164009094238,
      "total_seconds": 1.0802645683288574,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 74,
        "Create()/acquire-cgroup.cnt": 2,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 2,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 1,
        "Create()/fork-proc.ms-avg": 5,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 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": 843,
        "Pause().cnt": 2,
        "Pause().ms-avg": 5,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 665,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 21,
        "web-request.cnt": 1,
        "web-request.ms-avg": 843
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:44:23 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:23 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:23 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:23 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:23 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:23 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:44:23 remove worker.pid",
        "2020/06/20 21:44:23 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 32.31318163871765,
      "total_seconds": 32.5670862197876,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 12,
        "Channel().ms-avg": 0,
        "Create().cnt": 13,
        "Create().ms-avg": 112,
        "Create()/acquire-cgroup.cnt": 13,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 13,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 5,
        "Create()/fork-proc.ms-avg": 5,
        "Create()/fresh-proc.cnt": 8,
        "Create()/fresh-proc.ms-avg": 155,
        "Create()/make-root-fs.cnt": 13,
        "Create()/make-root-fs.ms-avg": 13,
        "Destroy().cnt": 13,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 13,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 13,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 13,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 5,
        "LambdaFunc.Invoke.ms-avg": 6458,
        "Pause().cnt": 10,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 5,
        "ServeHTTP.ms-avg": 270,
        "Unpause().cnt": 4,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 5,
        "childExit().ms-avg": 0,
        "fork().cnt": 5,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 5,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 30,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 5,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 5,
        "pull-lambda.ms-avg": 11,
        "pull-package.cnt": 7,
        "pull-package.ms-avg": 4344,
        "web-request.cnt": 5,
        "web-request.ms-avg": 6458
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:44:55 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:55 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:55 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:55 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:55 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:55 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:44:55 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:44:55 remove worker.pid",
        "2020/06/20 21:44:55 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "seconds": 5,
        "fork": false,
        "baseline": 0
      },
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-dir/registry",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 5.090360164642334,
      "total_seconds": 5.311324834823608,
      "stats": {
        "sandboxes_per_sec": 6.2
      },
      "ol-stats": {
        "Create().cnt": 31,
        "Create().ms-avg": 142,
        "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": 137,
        "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": [
        "2020/06/20 21:45:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:45:01 remove worker.pid",
        "2020/06/20 21:45:01 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "seconds": 10,
        "fork": true,
        "baseline": 0
      },
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-dir/registry",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 10.259192943572998,
      "total_seconds": 10.493767976760864,
      "stats": {
        "sandboxes_per_sec": 43.7
      },
      "ol-stats": {
        "Create().cnt": 438,
        "Create().ms-avg": 10,
        "Create()/acquire-cgroup.cnt": 438,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 438,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 437,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 135,
        "Create()/make-root-fs.cnt": 438,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 875,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 438,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 438,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 438,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 437,
        "childExit().ms-avg": 0,
        "fork().cnt": 437,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 437,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 455,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 437,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:45:11 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:11 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:11 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:11 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:11 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:11 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:11 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:45:11 remove worker.pid",
        "2020/06/20 21:45:11 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 15,
        "seconds": 10,
        "fork": true,
        "baseline": 0
      },
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-dir/registry",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 10.44443130493164,
      "total_seconds": 10.67179536819458,
      "stats": {
        "sandboxes_per_sec": 46.2
      },
      "ol-stats": {
        "Create().cnt": 463,
        "Create().ms-avg": 79,
        "Create()/acquire-cgroup.cnt": 463,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 463,
        "Create()/acquire-mem.ms-avg": 16,
        "Create()/fork-proc.cnt": 462,
        "Create()/fork-proc.ms-avg": 58,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 463,
        "Create()/make-root-fs.ms-avg": 2,
        "Destroy().cnt": 925,
        "Destroy().ms-avg": 47,
        "Destroy()/detach-root.cnt": 463,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 463,
        "Destroy()/kill-procs.ms-avg": 12,
        "Destroy()/remove-root.cnt": 463,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 462,
        "childExit().ms-avg": 58,
        "fork().cnt": 462,
        "fork().ms-avg": 58,
        "forkRequest.cnt": 462,
        "forkRequest.ms-avg": 11,
        "fresh-cgroup.cnt": 480,
        "fresh-cgroup.ms-avg": 3,
        "move-to-cg-after-fork.cnt": 462,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:45:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:45:22 remove worker.pid",
        "2020/06/20 21:45:22 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "seconds": 10,
        "fork": true,
        "baseline": 32
      },
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-dir/registry",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 10.787565469741821,
      "total_seconds": 11.12457013130188,
      "stats": {
        "sandboxes_per_sec": 44.0
      },
      "ol-stats": {
        "Create().cnt": 473,
        "Create().ms-avg": 7,
        "Create()/acquire-cgroup.cnt": 473,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 473,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 472,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 133,
        "Create()/make-root-fs.cnt": 473,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 913,
        "Destroy().ms-avg": 0,
        "Destroy()/detach-root.cnt": 473,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 473,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 473,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 472,
        "childExit().ms-avg": 0,
        "fork().cnt": 472,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 472,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 490,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 472,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:45:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:45:33 remove worker.pid",
        "2020/06/20 21:45:33 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 15,
        "seconds": 10,
        "fork": true,
        "baseline": 32
      },
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-dir/registry",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 10.993024110794067,
      "total_seconds": 11.34380555152893,
      "stats": {
        "sandboxes_per_sec": 42.7
      },
      "ol-stats": {
        "Create().cnt": 460,
        "Create().ms-avg": 121,
        "Create()/acquire-cgroup.cnt": 460,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 460,
        "Create()/acquire-mem.ms-avg": 69,
        "Create()/fork-proc.cnt": 459,
        "Create()/fork-proc.ms-avg": 48,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 152,
        "Create()/make-root-fs.cnt": 460,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 887,
        "Destroy().ms-avg": 45,
        "Destroy()/detach-root.cnt": 460,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 460,
        "Destroy()/kill-procs.ms-avg": 10,
        "Destroy()/remove-root.cnt": 460,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 459,
        "childExit().ms-avg": 53,
        "fork().cnt": 459,
        "fork().ms-avg": 48,
        "forkRequest.cnt": 459,
        "forkRequest.ms-avg": 9,
        "fresh-cgroup.cnt": 477,
        "fresh-cgroup.ms-avg": 3,
        "move-to-cg-after-fork.cnt": 459,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:45:44 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:44 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:44 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:44 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:44 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:44 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:45:44 remove worker.pid",
        "2020/06/20 21:45:44 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "registry": "/tmp/tmptia0a0tw",
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 3000
      },
      "seconds": 6.029386758804321,
      "total_seconds": 6.272777557373047,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 50,
        "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": 169,
        "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": 1668,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 1671,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 1668,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 1667,
        "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": 1,
        "web-request.cnt": 1668,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:45:50 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:50 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:50 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:50 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:50 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:50 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:45:50 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:45:50 remove worker.pid",
        "2020/06/20 21:45:50 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 1,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 15.040549755096436,
      "total_seconds": 15.27475118637085,
      "stats": {
        "reqs_per_sec": 284.06666666666666
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 44,
        "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": 138,
        "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": 4261,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4264,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4261,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4260,
        "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": 4261,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:46:06 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:06 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:06 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:06 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:06 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:06 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:06 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:46:06 remove worker.pid",
        "2020/06/20 21:46:06 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 2,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 15.044233560562134,
      "total_seconds": 15.274298906326294,
      "stats": {
        "reqs_per_sec": 286.06666666666666
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 43,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 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": 4291,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4007,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4291,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4003,
        "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": 4291,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:46:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:46:21 remove worker.pid",
        "2020/06/20 21:46:21 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 8,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": false,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 15.062586069107056,
      "total_seconds": 15.293917417526245,
      "stats": {
        "reqs_per_sec": 259.8666666666667
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 44,
        "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": 139,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 3898,
        "LambdaFunc.Invoke.ms-avg": 2,
        "Pause().cnt": 2912,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 3898,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 2908,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 1,
        "fork().cnt": 3,
        "fork().ms-avg": 6,
        "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": 6,
        "web-request.cnt": 3898,
        "web-request.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:46:36 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:36 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:36 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:36 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:36 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:36 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:36 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:46:36 remove worker.pid",
        "2020/06/20 21:46:36 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 1,
        "lambda_count": 100
      },
      "pass": true,
      "conf": {
        "registry": "/tmp/tmp7pzonvkv",
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250,
          "swappiness": 0
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": true,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 3.0410215854644775,
      "total_seconds": 3.3807008266448975,
      "stats": {
        "reqs_per_sec": 32.88397252246948
      },
      "ol-stats": {
        "Channel().cnt": 100,
        "Channel().ms-avg": 0,
        "Create().cnt": 101,
        "Create().ms-avg": 6,
        "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": 138,
        "Create()/make-root-fs.cnt": 101,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 154,
        "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": 2,
        "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": 53,
        "evict.ms-avg": 10,
        "fork().cnt": 100,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 100,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 67,
        "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": 26
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:46:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:46:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:46:40 remove worker.pid",
        "2020/06/20 21:46:40 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 10,
        "lambda_count": 1000
      },
      "pass": true,
      "conf": {
        "registry": "/tmp/tmpfc65qs1a",
        "docker_runtime": "",
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox": "sock",
        "features": {
          "downsize_paused_mem": true,
          "reuse_cgroups": true,
          "import_cache": true
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "sandbox_config": {},
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "registry_cache_ms": 5000
      },
      "seconds": 42.135098457336426,
      "total_seconds": 43.28724694252014,
      "stats": {
        "reqs_per_sec": 23.733196103461403
      },
      "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": 136,
        "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": 6,
        "Destroy()/remove-root.cnt": 1001,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1000,
        "LambdaFunc.Invoke.ms-avg": 38,
        "Pause().cnt": 2000,
        "Pause().ms-avg": 9,
        "ServeHTTP.cnt": 1000,
        "ServeHTTP.ms-avg": 19,
        "Unpause().cnt": 999,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 1000,
        "childExit().ms-avg": 3,
        "evict.cnt": 980,
        "evict.ms-avg": 11,
        "fork().cnt": 1000,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 1000,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 41,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1000,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1000,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1000,
        "web-request.ms-avg": 38
      },
      "errors": [],
      "worker_tail": [
        "2020/06/20 21:47:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:47:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:47:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:47:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:47:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:47:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/20 21:47:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/20 21:47:22 remove worker.pid",
        "2020/06/20 21:47:22 exiting",
        ""
      ]
    }
  ],
  "passed": 18,
  "failed": 0,
  "seconds": 295.5063281059265
}