{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "worker_port": "5000",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-registry",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        }
      },
      "seconds": 2.315098524093628,
      "total_seconds": 2.443190097808838,
      "stats": {
        "pings_per_sec": 431.9511965540331
      },
      "ol-stats": {
        "fresh-cgroup.cnt": 17,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:43:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:43:16 remove worker.pid",
        "2019/11/26 21:43:16 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "worker_port": "5000",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": false,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-registry",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        }
      },
      "seconds": 9.910042524337769,
      "total_seconds": 10.150550842285156,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 264,
        "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": 262,
        "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": 2469,
        "Pause().cnt": 4,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 49,
        "fresh-cgroup.cnt": 27,
        "fresh-cgroup.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 9,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 1308,
        "web-request.cnt": 4,
        "web-request.ms-avg": 2469
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:43:26 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:26 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:26 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:26 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:26 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:26 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:26 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:43:26 remove worker.pid",
        "2019/11/26 21:43:26 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000"
      },
      "seconds": 5.9962522983551025,
      "total_seconds": 6.238168716430664,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 11,
        "Create().ms-avg": 93,
        "Create()/acquire-cgroup.cnt": 11,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 11,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 4,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 7,
        "Create()/fresh-proc.ms-avg": 139,
        "Create()/make-root-fs.cnt": 11,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 11,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 11,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 11,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 11,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 1491,
        "Pause().cnt": 8,
        "Pause().ms-avg": 3,
        "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": 7,
        "forkRequest.cnt": 4,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 28,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 4,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 1,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 929,
        "web-request.cnt": 4,
        "web-request.ms-avg": 1491
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:43:32 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:32 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:32 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:32 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:32 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:32 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:32 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:43:32 remove worker.pid",
        "2019/11/26 21:43:32 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "worker_port": "5000",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": false,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "docker",
        "registry": "/root/open-lambda/test-registry",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        }
      },
      "seconds": 19.01271939277649,
      "total_seconds": 20.039254665374756,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 846,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 270,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 4742,
        "Pause().cnt": 4,
        "Pause().ms-avg": 27,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 1,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 1,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 2261,
        "web-request.cnt": 4,
        "web-request.ms-avg": 4742
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:43:51 Kill function: echo",
        "2019/11/26 21:43:51 Destroy() [SB 0]",
        "2019/11/26 21:43:52 Kill function: install",
        "2019/11/26 21:43:52 Destroy() [SB 6]",
        "2019/11/26 21:43:52 Kill function: install2",
        "2019/11/26 21:43:52 Destroy() [SB 7]",
        "2019/11/26 21:43:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:43:52 remove worker.pid",
        "2019/11/26 21:43:52 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000"
      },
      "seconds": 0.32358264923095703,
      "total_seconds": 0.5562546253204346,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 150,
        "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": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 284,
        "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": 319,
        "Pause().cnt": 2,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 11,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1,
        "web-request.ms-avg": 319
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:43:53 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:53 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:53 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:53 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:53 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:53 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:53 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:43:53 remove worker.pid",
        "2019/11/26 21:43:53 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000"
      },
      "seconds": 0.8282527923583984,
      "total_seconds": 1.060117483139038,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 77,
        "Create()/acquire-cgroup.cnt": 2,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 2,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 1,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 138,
        "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": 824,
        "Pause().cnt": 2,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 662,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 1,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1,
        "web-request.ms-avg": 824
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:43:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:43:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:43:54 remove worker.pid",
        "2019/11/26 21:43:54 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000"
      },
      "seconds": 30.927671432495117,
      "total_seconds": 31.191532611846924,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 12,
        "Channel().ms-avg": 0,
        "Create().cnt": 13,
        "Create().ms-avg": 101,
        "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": 157,
        "Create()/make-root-fs.cnt": 13,
        "Create()/make-root-fs.ms-avg": 1,
        "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": 1,
        "Destroy()/remove-root.cnt": 13,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 5,
        "LambdaFunc.Invoke.ms-avg": 6179,
        "Pause().cnt": 10,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 5,
        "ServeHTTP.ms-avg": 244,
        "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": 3,
        "pull-package.cnt": 7,
        "pull-package.ms-avg": 4206,
        "web-request.cnt": 5,
        "web-request.ms-avg": 6181
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:44:25 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:25 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:25 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:25 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:25 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:25 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:25 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:44:25 remove worker.pid",
        "2019/11/26 21:44:25 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 1,
        "fork": false,
        "seconds": 5
      },
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "sock",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/root/open-lambda/test-dir/registry",
        "worker_port": "5000"
      },
      "seconds": 5.219446420669556,
      "total_seconds": 5.441243648529053,
      "stats": {
        "sandboxes_per_sec": 6.4
      },
      "ol-stats": {
        "Create().cnt": 32,
        "Create().ms-avg": 144,
        "Create()/acquire-cgroup.cnt": 32,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 32,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fresh-proc.cnt": 32,
        "Create()/fresh-proc.ms-avg": 139,
        "Create()/make-root-fs.cnt": 32,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 64,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 32,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 32,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 32,
        "Destroy()/remove-root.ms-avg": 0,
        "fresh-cgroup.cnt": 49,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:44:30 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:30 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:30 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:30 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:30 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:30 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:44:30 remove worker.pid",
        "2019/11/26 21:44:30 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 1,
        "fork": true,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "sock",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/root/open-lambda/test-dir/registry",
        "worker_port": "5000"
      },
      "seconds": 10.247017860412598,
      "total_seconds": 10.481690406799316,
      "stats": {
        "sandboxes_per_sec": 44.8
      },
      "ol-stats": {
        "Create().cnt": 449,
        "Create().ms-avg": 10,
        "Create()/acquire-cgroup.cnt": 449,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 449,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 448,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 135,
        "Create()/make-root-fs.cnt": 449,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 897,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 449,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 449,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 449,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 448,
        "childExit().ms-avg": 0,
        "fork().cnt": 448,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 448,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 466,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 448,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:44:41 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:41 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:41 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:41 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:41 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:41 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:44:41 remove worker.pid",
        "2019/11/26 21:44:41 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 15,
        "fork": true,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "sock",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/root/open-lambda/test-dir/registry",
        "worker_port": "5000"
      },
      "seconds": 10.395610332489014,
      "total_seconds": 10.642824649810791,
      "stats": {
        "sandboxes_per_sec": 46.5
      },
      "ol-stats": {
        "Create().cnt": 466,
        "Create().ms-avg": 66,
        "Create()/acquire-cgroup.cnt": 466,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 466,
        "Create()/acquire-mem.ms-avg": 20,
        "Create()/fork-proc.cnt": 465,
        "Create()/fork-proc.ms-avg": 44,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 134,
        "Create()/make-root-fs.cnt": 466,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 931,
        "Destroy().ms-avg": 55,
        "Destroy()/detach-root.cnt": 466,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 466,
        "Destroy()/kill-procs.ms-avg": 19,
        "Destroy()/remove-root.cnt": 466,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 465,
        "childExit().ms-avg": 43,
        "fork().cnt": 465,
        "fork().ms-avg": 44,
        "forkRequest.cnt": 465,
        "forkRequest.ms-avg": 8,
        "fresh-cgroup.cnt": 483,
        "fresh-cgroup.ms-avg": 3,
        "move-to-cg-after-fork.cnt": 465,
        "move-to-cg-after-fork.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:44:51 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:51 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:51 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:51 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:51 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:51 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:44:51 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:44:51 remove worker.pid",
        "2019/11/26 21:44:51 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "procs": 1,
        "fork": true,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "sock",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/root/open-lambda/test-dir/registry",
        "worker_port": "5000"
      },
      "seconds": 10.766024351119995,
      "total_seconds": 11.121422052383423,
      "stats": {
        "sandboxes_per_sec": 44.6
      },
      "ol-stats": {
        "Create().cnt": 479,
        "Create().ms-avg": 6,
        "Create()/acquire-cgroup.cnt": 479,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 479,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 478,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 479,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 925,
        "Destroy().ms-avg": 0,
        "Destroy()/detach-root.cnt": 479,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 479,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 479,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 478,
        "childExit().ms-avg": 0,
        "fork().cnt": 478,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 478,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 496,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 478,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:45:02 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:02 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:02 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:02 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:02 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:02 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:02 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:45:02 remove worker.pid",
        "2019/11/26 21:45:02 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "procs": 15,
        "fork": true,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "sock",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/root/open-lambda/test-dir/registry",
        "worker_port": "5000"
      },
      "seconds": 10.979038715362549,
      "total_seconds": 11.335241556167603,
      "stats": {
        "sandboxes_per_sec": 41.1
      },
      "ol-stats": {
        "Create().cnt": 444,
        "Create().ms-avg": 135,
        "Create()/acquire-cgroup.cnt": 444,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 444,
        "Create()/acquire-mem.ms-avg": 77,
        "Create()/fork-proc.cnt": 443,
        "Create()/fork-proc.ms-avg": 54,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 183,
        "Create()/make-root-fs.cnt": 444,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 855,
        "Destroy().ms-avg": 49,
        "Destroy()/detach-root.cnt": 444,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 444,
        "Destroy()/kill-procs.ms-avg": 12,
        "Destroy()/remove-root.cnt": 444,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 443,
        "childExit().ms-avg": 56,
        "fork().cnt": 443,
        "fork().ms-avg": 54,
        "forkRequest.cnt": 443,
        "forkRequest.ms-avg": 9,
        "fresh-cgroup.cnt": 461,
        "fresh-cgroup.ms-avg": 4,
        "move-to-cg-after-fork.cnt": 443,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:45:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:45:14 remove worker.pid",
        "2019/11/26 21:45:14 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "worker_port": "5000",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 3000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "registry": "/tmp/tmpip91ebck",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        }
      },
      "seconds": 6.03310751914978,
      "total_seconds": 6.2739105224609375,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 54,
        "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": 186,
        "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": 1678,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 1681,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 1678,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 1677,
        "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": 6,
        "web-request.cnt": 1678,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:45:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:45:20 remove worker.pid",
        "2019/11/26 21:45:20 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 1,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000"
      },
      "seconds": 15.044490098953247,
      "total_seconds": 15.27425479888916,
      "stats": {
        "reqs_per_sec": 287.93333333333334
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 43,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 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": 4319,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4322,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4319,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4318,
        "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": 4319,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:45:35 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:35 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:35 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:35 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:35 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:35 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:35 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:45:35 remove worker.pid",
        "2019/11/26 21:45:35 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 2,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000"
      },
      "seconds": 15.051491260528564,
      "total_seconds": 15.28331470489502,
      "stats": {
        "reqs_per_sec": 286.3333333333333
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 43,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 136,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 1,
        "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": 4295,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 3830,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4295,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 3826,
        "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": 4295,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:45:51 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:51 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:51 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:51 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:51 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:51 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:45:51 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:45:51 remove worker.pid",
        "2019/11/26 21:45:51 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 8,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000"
      },
      "seconds": 15.069045305252075,
      "total_seconds": 15.299729585647583,
      "stats": {
        "reqs_per_sec": 260.4
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 42,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 133,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 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": 3906,
        "LambdaFunc.Invoke.ms-avg": 2,
        "Pause().cnt": 2856,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 3906,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 2852,
        "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": 7,
        "web-request.cnt": 3906,
        "web-request.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:46:06 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:06 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:06 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:06 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:06 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:06 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:06 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:46:06 remove worker.pid",
        "2019/11/26 21:46:06 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "lambda_count": 100,
        "alloc_mb": 1
      },
      "pass": true,
      "conf": {
        "worker_port": "5000",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": true,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "registry": "/tmp/tmpp7uj1qcl",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        }
      },
      "seconds": 2.773920774459839,
      "total_seconds": 3.2016522884368896,
      "stats": {
        "reqs_per_sec": 36.05043428857768
      },
      "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": 136,
        "Create()/make-root-fs.cnt": 101,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 156,
        "Destroy().ms-avg": 4,
        "Destroy()/detach-root.cnt": 101,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 101,
        "Destroy()/kill-procs.ms-avg": 3,
        "Destroy()/remove-root.cnt": 101,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 100,
        "LambdaFunc.Invoke.ms-avg": 24,
        "Pause().cnt": 200,
        "Pause().ms-avg": 9,
        "ServeHTTP.cnt": 100,
        "ServeHTTP.ms-avg": 5,
        "Unpause().cnt": 99,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 100,
        "childExit().ms-avg": 3,
        "evict.cnt": 55,
        "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": 24
      },
      "errors": [],
      "worker_tail": [
        "2019/11/26 21:46:09 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:09 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:09 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:09 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:09 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:09 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:09 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:46:09 remove worker.pid",
        "2019/11/26 21:46:09 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "lambda_count": 1000,
        "alloc_mb": 10
      },
      "pass": true,
      "conf": {
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "reuse_cgroups": true,
          "downsize_paused_mem": true
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "import_cache_tree": "",
        "server_mode": "lambda",
        "trace": {
          "package": false,
          "memory": false,
          "cgroups": false,
          "evictor": false
        },
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "pip_mirror": "",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "registry": "/tmp/tmpw563a4dy",
        "worker_port": "5000"
      },
      "seconds": 42.45162606239319,
      "total_seconds": 43.13620376586914,
      "stats": {
        "reqs_per_sec": 23.556237724609
      },
      "ol-stats": {
        "Channel().cnt": 1000,
        "Channel().ms-avg": 0,
        "Create().cnt": 1001,
        "Create().ms-avg": 7,
        "Create()/acquire-cgroup.cnt": 1001,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 1001,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 1000,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 1001,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 1980,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 1001,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 1001,
        "Destroy()/kill-procs.ms-avg": 7,
        "Destroy()/remove-root.cnt": 1001,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1000,
        "LambdaFunc.Invoke.ms-avg": 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": 979,
        "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": [
        "2019/11/26 21:46:52 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:52 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:52 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:52 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:52 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:52 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2019/11/26 21:46:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/11/26 21:46:52 remove worker.pid",
        "2019/11/26 21:46:52 exiting",
        ""
      ]
    }
  ],
  "passed": 18,
  "failed": 0,
  "seconds": 283.76749753952026
}