{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "mem_pool_mb": 500,
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 2.2185018062591553,
      "total_seconds": 2.430161952972412,
      "stats": {
        "pings_per_sec": 450.7589105751187
      },
      "ol-stats": {
        "fresh-cgroup.cnt": 17,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:44:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:44:01 remove worker.pid",
        "2020/06/29 21:44:01 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": false,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "mem_pool_mb": 500,
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 12.53690218925476,
      "total_seconds": 12.77924633026123,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 276,
        "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": 274,
        "Create()/make-root-fs.cnt": 10,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 10,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 10,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 10,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 3124,
        "Pause().cnt": 4,
        "Pause().ms-avg": 5,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 79,
        "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": 1733,
        "web-request.cnt": 4,
        "web-request.ms-avg": 3124
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:44:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:44:14 remove worker.pid",
        "2020/06/29 21:44:14 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 6.979334354400635,
      "total_seconds": 7.218576669692993,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 11,
        "Create().ms-avg": 94,
        "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": 141,
        "Create()/make-root-fs.cnt": 11,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 11,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 11,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 11,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 11,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 1737,
        "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": 1092,
        "web-request.cnt": 4,
        "web-request.ms-avg": 1737
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:44:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:44:21 remove worker.pid",
        "2020/06/29 21:44:21 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": false,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "docker",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "mem_pool_mb": 500,
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 21.971561670303345,
      "total_seconds": 23.799901485443115,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 954,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 351,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 5481,
        "Pause().cnt": 4,
        "Pause().ms-avg": 28,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 1,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 1,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 2708,
        "web-request.cnt": 4,
        "web-request.ms-avg": 5481
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:44:44 Kill function: echo",
        "2020/06/29 21:44:44 Destroy() [SB 0]",
        "2020/06/29 21:44:44 Kill function: install",
        "2020/06/29 21:44:44 Destroy() [SB 6]",
        "2020/06/29 21:44:45 Kill function: install2",
        "2020/06/29 21:44:45 Destroy() [SB 7]",
        "2020/06/29 21:44:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:44:45 remove worker.pid",
        "2020/06/29 21:44:45 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 0.17895030975341797,
      "total_seconds": 0.41330957412719727,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 76,
        "Create()/acquire-cgroup.cnt": 2,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 2,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 1,
        "Create()/fork-proc.ms-avg": 9,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 135,
        "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": 175,
        "Pause().cnt": 2,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 13,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 9,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 8,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 3,
        "web-request.cnt": 1,
        "web-request.ms-avg": 175
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:44:46 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:46 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:46 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:46 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:46 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:46 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:46 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:44:46 remove worker.pid",
        "2020/06/29 21:44:46 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 0.8447113037109375,
      "total_seconds": 1.0754389762878418,
      "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": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 135,
        "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": 841,
        "Pause().cnt": 2,
        "Pause().ms-avg": 5,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 677,
        "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": 5,
        "web-request.cnt": 1,
        "web-request.ms-avg": 841
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:44:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:44:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:44:47 remove worker.pid",
        "2020/06/29 21:44:47 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 43.70105028152466,
      "total_seconds": 43.95511054992676,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 12,
        "Channel().ms-avg": 0,
        "Create().cnt": 13,
        "Create().ms-avg": 122,
        "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": 6,
        "Create()/fresh-proc.cnt": 8,
        "Create()/fresh-proc.ms-avg": 185,
        "Create()/make-root-fs.cnt": 13,
        "Create()/make-root-fs.ms-avg": 5,
        "Destroy().cnt": 13,
        "Destroy().ms-avg": 4,
        "Destroy()/detach-root.cnt": 13,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 13,
        "Destroy()/kill-procs.ms-avg": 3,
        "Destroy()/remove-root.cnt": 13,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 5,
        "LambdaFunc.Invoke.ms-avg": 8736,
        "Pause().cnt": 10,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 5,
        "ServeHTTP.ms-avg": 250,
        "Unpause().cnt": 4,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 5,
        "childExit().ms-avg": 0,
        "fork().cnt": 5,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 5,
        "forkRequest.ms-avg": 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": 4,
        "pull-package.cnt": 7,
        "pull-package.ms-avg": 5989,
        "web-request.cnt": 5,
        "web-request.ms-avg": 8736
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:45:31 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:31 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:31 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:31 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:31 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:31 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:31 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:45:31 remove worker.pid",
        "2020/06/29 21:45:31 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 1,
        "seconds": 5,
        "fork": false
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-dir/registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 5.117325067520142,
      "total_seconds": 5.242444276809692,
      "stats": {
        "sandboxes_per_sec": 6.4
      },
      "ol-stats": {
        "Create().cnt": 32,
        "Create().ms-avg": 142,
        "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": 137,
        "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": 1,
        "Destroy()/remove-root.cnt": 32,
        "Destroy()/remove-root.ms-avg": 0,
        "fresh-cgroup.cnt": 49,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:45:36 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:36 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:36 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:36 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:36 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:36 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:36 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:45:36 remove worker.pid",
        "2020/06/29 21:45:36 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 1,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-dir/registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 10.167134284973145,
      "total_seconds": 10.395523071289062,
      "stats": {
        "sandboxes_per_sec": 43.7
      },
      "ol-stats": {
        "Create().cnt": 438,
        "Create().ms-avg": 11,
        "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": 6,
        "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": [
        "2020/06/29 21:45:46 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:46 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:46 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:46 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:46 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:46 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:46 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:45:46 remove worker.pid",
        "2020/06/29 21:45:46 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 15,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-dir/registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 10.343027591705322,
      "total_seconds": 10.58053731918335,
      "stats": {
        "sandboxes_per_sec": 44.7
      },
      "ol-stats": {
        "Create().cnt": 448,
        "Create().ms-avg": 91,
        "Create()/acquire-cgroup.cnt": 448,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 448,
        "Create()/acquire-mem.ms-avg": 20,
        "Create()/fork-proc.cnt": 447,
        "Create()/fork-proc.ms-avg": 67,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 132,
        "Create()/make-root-fs.cnt": 448,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 895,
        "Destroy().ms-avg": 54,
        "Destroy()/detach-root.cnt": 448,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 448,
        "Destroy()/kill-procs.ms-avg": 13,
        "Destroy()/remove-root.cnt": 448,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 447,
        "childExit().ms-avg": 67,
        "fork().cnt": 447,
        "fork().ms-avg": 67,
        "forkRequest.cnt": 447,
        "forkRequest.ms-avg": 11,
        "fresh-cgroup.cnt": 465,
        "fresh-cgroup.ms-avg": 3,
        "move-to-cg-after-fork.cnt": 447,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:45:57 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:57 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:57 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:57 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:57 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:57 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:45:57 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:45:57 remove worker.pid",
        "2020/06/29 21:45:57 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "procs": 1,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-dir/registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 10.851322174072266,
      "total_seconds": 11.207288265228271,
      "stats": {
        "sandboxes_per_sec": 43.2
      },
      "ol-stats": {
        "Create().cnt": 465,
        "Create().ms-avg": 7,
        "Create()/acquire-cgroup.cnt": 465,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 465,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 464,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 136,
        "Create()/make-root-fs.cnt": 465,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 897,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 465,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 465,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 465,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 464,
        "childExit().ms-avg": 0,
        "fork().cnt": 464,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 464,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 482,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 464,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:46:08 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:08 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:08 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:08 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:08 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:08 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:08 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:46:08 remove worker.pid",
        "2020/06/29 21:46:08 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "procs": 15,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-dir/registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 11.021962642669678,
      "total_seconds": 11.976468324661255,
      "stats": {
        "sandboxes_per_sec": 40.6
      },
      "ol-stats": {
        "Create().cnt": 439,
        "Create().ms-avg": 133,
        "Create()/acquire-cgroup.cnt": 439,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 439,
        "Create()/acquire-mem.ms-avg": 78,
        "Create()/fork-proc.cnt": 438,
        "Create()/fork-proc.ms-avg": 51,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 138,
        "Create()/make-root-fs.cnt": 439,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 845,
        "Destroy().ms-avg": 50,
        "Destroy()/detach-root.cnt": 439,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 439,
        "Destroy()/kill-procs.ms-avg": 13,
        "Destroy()/remove-root.cnt": 439,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 1,
        "childExit().cnt": 438,
        "childExit().ms-avg": 57,
        "fork().cnt": 438,
        "fork().ms-avg": 51,
        "forkRequest.cnt": 438,
        "forkRequest.ms-avg": 10,
        "fresh-cgroup.cnt": 456,
        "fresh-cgroup.ms-avg": 5,
        "move-to-cg-after-fork.cnt": 438,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:46:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:46:20 remove worker.pid",
        "2020/06/29 21:46:20 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "registry_cache_ms": 3000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "registry": "/tmp/tmpalc9ulck",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "mem_pool_mb": 500,
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 6.034390687942505,
      "total_seconds": 6.2728025913238525,
      "stats": null,
      "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": 142,
        "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": 1661,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 1664,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 1661,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 1660,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "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": 1,
        "web-request.cnt": 1661,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:46:26 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:26 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:26 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:26 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:26 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:26 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:26 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:46:26 remove worker.pid",
        "2020/06/29 21:46:26 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 1,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 15.04504680633545,
      "total_seconds": 15.278280258178711,
      "stats": {
        "reqs_per_sec": 278.93333333333334
      },
      "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": 139,
        "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": 4184,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4187,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4184,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4183,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 21,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 3,
        "move-to-cg-after-fork.ms-avg": 1,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 1,
        "web-request.cnt": 4184,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:46:42 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:42 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:42 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:42 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:42 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:42 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:42 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:46:42 remove worker.pid",
        "2020/06/29 21:46:42 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 2,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 15.050895929336548,
      "total_seconds": 15.361301898956299,
      "stats": {
        "reqs_per_sec": 288.3333333333333
      },
      "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": 4,
        "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": 4325,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4038,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4325,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4034,
        "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": 4325,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:46:57 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:57 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:57 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:57 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:57 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:57 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:46:57 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:46:57 remove worker.pid",
        "2020/06/29 21:46:57 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 8,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 15.069136142730713,
      "total_seconds": 15.303646802902222,
      "stats": {
        "reqs_per_sec": 263.1333333333333
      },
      "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": 8,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 135,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 4,
        "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": 3947,
        "LambdaFunc.Invoke.ms-avg": 2,
        "Pause().cnt": 2859,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 3947,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 2855,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 8,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 21,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 3,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 3,
        "web-request.cnt": 3947,
        "web-request.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:47:12 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:47:12 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:47:12 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:47:12 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:47:12 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:47:12 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:47:12 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:47:12 remove worker.pid",
        "2020/06/29 21:47:12 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 1,
        "lambda_count": 100
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "registry": "/tmp/tmp1vq0u41r",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": true,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "mem_pool_mb": 500,
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 3.050642490386963,
      "total_seconds": 3.486323595046997,
      "stats": {
        "reqs_per_sec": 32.780238809474255
      },
      "ol-stats": {
        "Channel().cnt": 100,
        "Channel().ms-avg": 0,
        "Create().cnt": 101,
        "Create().ms-avg": 7,
        "Create()/acquire-cgroup.cnt": 101,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 101,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 100,
        "Create()/fork-proc.ms-avg": 5,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 140,
        "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": 4,
        "Destroy()/remove-root.cnt": 101,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 100,
        "LambdaFunc.Invoke.ms-avg": 26,
        "Pause().cnt": 200,
        "Pause().ms-avg": 10,
        "ServeHTTP.cnt": 100,
        "ServeHTTP.ms-avg": 7,
        "Unpause().cnt": 99,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 100,
        "childExit().ms-avg": 2,
        "evict.cnt": 53,
        "evict.ms-avg": 11,
        "fork().cnt": 100,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 100,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 69,
        "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": [
        "2020/06/29 21:47:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:47:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:47:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:47:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:47:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:47:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:47:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:47:16 remove worker.pid",
        "2020/06/29 21:47:16 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 10,
        "lambda_count": 1000
      },
      "pass": true,
      "conf": {
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "mem_pool_mb": 500,
        "registry": "/tmp/tmp_2755499",
        "docker_runtime": "",
        "worker_port": "5000",
        "features": {
          "import_cache": true,
          "reuse_cgroups": true,
          "downsize_paused_mem": true
        },
        "sandbox_config": {},
        "sandbox": "sock",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "trace": {
          "cgroups": false,
          "evictor": false,
          "memory": false,
          "package": false
        },
        "pip_mirror": "",
        "limits": {
          "installer_mem_mb": 250,
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50
        },
        "storage": {
          "scratch": "",
          "code": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 45.020750761032104,
      "total_seconds": 45.59363389015198,
      "stats": {
        "reqs_per_sec": 22.211992242274622
      },
      "ol-stats": {
        "Channel().cnt": 1000,
        "Channel().ms-avg": 0,
        "Create().cnt": 1001,
        "Create().ms-avg": 8,
        "Create()/acquire-cgroup.cnt": 1001,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 1001,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 1000,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 287,
        "Create()/make-root-fs.cnt": 1001,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 1981,
        "Destroy().ms-avg": 6,
        "Destroy()/detach-root.cnt": 1001,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 1001,
        "Destroy()/kill-procs.ms-avg": 8,
        "Destroy()/remove-root.cnt": 1001,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1000,
        "LambdaFunc.Invoke.ms-avg": 40,
        "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": 4,
        "evict.cnt": 980,
        "evict.ms-avg": 13,
        "fork().cnt": 1000,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 1000,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 40,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1000,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1000,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1000,
        "web-request.ms-avg": 40
      },
      "errors": [],
      "worker_tail": [
        "2020/06/29 21:48:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:48:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:48:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:48:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:48:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:48:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/29 21:48:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/29 21:48:01 remove worker.pid",
        "2020/06/29 21:48:01 exiting",
        ""
      ]
    }
  ],
  "passed": 18,
  "failed": 0,
  "seconds": 325.7036461830139
}