{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-registry",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "worker_port": "5000",
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "registry_cache_ms": 5000,
        "mem_pool_mb": 500,
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "server_mode": "lambda",
        "docker_runtime": "",
        "sandbox": "sock",
        "pip_mirror": "",
        "sandbox_config": {},
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 2.1968812942504883,
      "total_seconds": 2.4349265098571777,
      "stats": {
        "pings_per_sec": 455.1949784150769
      },
      "ol-stats": {
        "fresh-cgroup.cnt": 17,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:43:04 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:04 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:04 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:04 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:04 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:04 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:04 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:43:04 remove worker.pid",
        "2020/06/23 21:43:04 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "features": {
          "import_cache": false,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "limits": {
          "swappiness": 0,
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "registry_cache_ms": 5000,
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "pip_mirror": "",
        "server_mode": "lambda",
        "sandbox_config": {},
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock"
      },
      "seconds": 10.832209348678589,
      "total_seconds": 11.073980331420898,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 301,
        "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": 299,
        "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": 2698,
        "Pause().cnt": 4,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 98,
        "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": 1370,
        "web-request.cnt": 4,
        "web-request.ms-avg": 2698
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:43:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:43:16 remove worker.pid",
        "2020/06/23 21:43:16 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "sandbox_config": {},
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "registry_cache_ms": 5000,
        "mem_pool_mb": 500,
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "pip_mirror": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock"
      },
      "seconds": 7.316291093826294,
      "total_seconds": 7.555878639221191,
      "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": 5,
        "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": 1,
        "Destroy()/remove-root.cnt": 11,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 1821,
        "Pause().cnt": 8,
        "Pause().ms-avg": 5,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 44,
        "Unpause().cnt": 3,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 4,
        "childExit().ms-avg": 0,
        "fork().cnt": 4,
        "fork().ms-avg": 5,
        "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": 1148,
        "web-request.cnt": 4,
        "web-request.ms-avg": 1821
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:43:23 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:23 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:23 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:23 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:23 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:23 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:43:23 remove worker.pid",
        "2020/06/23 21:43:23 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "import_cache": false,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "limits": {
          "mem_mb": 50,
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "registry_cache_ms": 5000,
        "sandbox": "docker",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "pip_mirror": "",
        "server_mode": "lambda",
        "sandbox_config": {},
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 19.484001636505127,
      "total_seconds": 20.515032291412354,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 805,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 301,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 4859,
        "Pause().cnt": 4,
        "Pause().ms-avg": 30,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 1,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 1,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 2411,
        "web-request.cnt": 4,
        "web-request.ms-avg": 4860
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:43:43 Kill function: echo",
        "2020/06/23 21:43:43 Destroy() [SB 0]",
        "2020/06/23 21:43:43 Kill function: install",
        "2020/06/23 21:43:43 Destroy() [SB 6]",
        "2020/06/23 21:43:43 Kill function: install2",
        "2020/06/23 21:43:43 Destroy() [SB 7]",
        "2020/06/23 21:43:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:43:44 remove worker.pid",
        "2020/06/23 21:43:44 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "sandbox_config": {},
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "registry_cache_ms": 5000,
        "mem_pool_mb": 500,
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "pip_mirror": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock"
      },
      "seconds": 0.18248367309570312,
      "total_seconds": 0.41457271575927734,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 78,
        "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": 139,
        "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": 178,
        "Pause().cnt": 2,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 13,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 7,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1,
        "web-request.ms-avg": 178
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:43:44 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:44 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:44 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:44 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:44 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:44 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:43:44 remove worker.pid",
        "2020/06/23 21:43:44 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "sandbox_config": {},
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "registry_cache_ms": 5000,
        "mem_pool_mb": 500,
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "pip_mirror": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock"
      },
      "seconds": 0.900843620300293,
      "total_seconds": 1.1353168487548828,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 78,
        "Create()/acquire-cgroup.cnt": 2,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 2,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 1,
        "Create()/fork-proc.ms-avg": 5,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 142,
        "Create()/make-root-fs.cnt": 2,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 2,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 2,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 2,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 2,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1,
        "LambdaFunc.Invoke.ms-avg": 896,
        "Pause().cnt": 2,
        "Pause().ms-avg": 6,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 728,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1,
        "web-request.ms-avg": 896
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:43:45 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:45 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:45 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:45 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:45 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:45 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:43:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:43:45 remove worker.pid",
        "2020/06/23 21:43:45 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "registry": "/root/open-lambda/test-registry",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "mem_mb": 50,
          "swappiness": 0
        },
        "registry_cache_ms": 5000,
        "docker_runtime": "",
        "sandbox": "sock",
        "pip_mirror": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 29.124844312667847,
      "total_seconds": 29.36166214942932,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 12,
        "Channel().ms-avg": 0,
        "Create().cnt": 13,
        "Create().ms-avg": 145,
        "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": 7,
        "Create()/fresh-proc.cnt": 8,
        "Create()/fresh-proc.ms-avg": 159,
        "Create()/make-root-fs.cnt": 13,
        "Create()/make-root-fs.ms-avg": 44,
        "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": 5820,
        "Pause().cnt": 10,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 5,
        "ServeHTTP.ms-avg": 272,
        "Unpause().cnt": 4,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 5,
        "childExit().ms-avg": 0,
        "fork().cnt": 5,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 5,
        "forkRequest.ms-avg": 6,
        "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": 8,
        "pull-package.cnt": 7,
        "pull-package.ms-avg": 3828,
        "web-request.cnt": 5,
        "web-request.ms-avg": 5820
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:44:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:44:15 remove worker.pid",
        "2020/06/23 21:44:15 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 1,
        "seconds": 5,
        "fork": false
      },
      "pass": true,
      "conf": {
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "sandbox_config": {},
        "registry": "/root/open-lambda/test-dir/registry",
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "mem_mb": 50,
          "swappiness": 0
        },
        "registry_cache_ms": 5000,
        "docker_runtime": "",
        "mem_pool_mb": 500,
        "sandbox": "sock",
        "server_mode": "sock",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 5.112496614456177,
      "total_seconds": 5.335769176483154,
      "stats": {
        "sandboxes_per_sec": 6.2
      },
      "ol-stats": {
        "Create().cnt": 31,
        "Create().ms-avg": 145,
        "Create()/acquire-cgroup.cnt": 31,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 31,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fresh-proc.cnt": 31,
        "Create()/fresh-proc.ms-avg": 140,
        "Create()/make-root-fs.cnt": 31,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 62,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 31,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 31,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 31,
        "Destroy()/remove-root.ms-avg": 0,
        "fresh-cgroup.cnt": 48,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:44:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:44:20 remove worker.pid",
        "2020/06/23 21:44:20 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 1,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "sandbox_config": {},
        "registry": "/root/open-lambda/test-dir/registry",
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "mem_mb": 50,
          "swappiness": 0
        },
        "registry_cache_ms": 5000,
        "docker_runtime": "",
        "mem_pool_mb": 500,
        "sandbox": "sock",
        "server_mode": "sock",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 10.178542613983154,
      "total_seconds": 10.415001630783081,
      "stats": {
        "sandboxes_per_sec": 41.5
      },
      "ol-stats": {
        "Create().cnt": 416,
        "Create().ms-avg": 11,
        "Create()/acquire-cgroup.cnt": 416,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 416,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 415,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 416,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 831,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 416,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 416,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 416,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 415,
        "childExit().ms-avg": 0,
        "fork().cnt": 415,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 415,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 433,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 415,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:44:30 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:30 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:30 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:30 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:30 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:30 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:44:30 remove worker.pid",
        "2020/06/23 21:44:30 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 15,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "sandbox_config": {},
        "registry": "/root/open-lambda/test-dir/registry",
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "mem_mb": 50,
          "swappiness": 0
        },
        "registry_cache_ms": 5000,
        "docker_runtime": "",
        "mem_pool_mb": 500,
        "sandbox": "sock",
        "server_mode": "sock",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 10.321654081344604,
      "total_seconds": 10.551687955856323,
      "stats": {
        "sandboxes_per_sec": 43.2
      },
      "ol-stats": {
        "Create().cnt": 433,
        "Create().ms-avg": 97,
        "Create()/acquire-cgroup.cnt": 433,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 433,
        "Create()/acquire-mem.ms-avg": 17,
        "Create()/fork-proc.cnt": 432,
        "Create()/fork-proc.ms-avg": 76,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 140,
        "Create()/make-root-fs.cnt": 433,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 865,
        "Destroy().ms-avg": 62,
        "Destroy()/detach-root.cnt": 433,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 433,
        "Destroy()/kill-procs.ms-avg": 16,
        "Destroy()/remove-root.cnt": 433,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 432,
        "childExit().ms-avg": 82,
        "fork().cnt": 432,
        "fork().ms-avg": 76,
        "forkRequest.cnt": 432,
        "forkRequest.ms-avg": 11,
        "fresh-cgroup.cnt": 450,
        "fresh-cgroup.ms-avg": 3,
        "move-to-cg-after-fork.cnt": 432,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:44:41 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:41 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:41 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:41 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:41 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:41 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:44:41 remove worker.pid",
        "2020/06/23 21:44:41 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "procs": 1,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "sandbox_config": {},
        "registry": "/root/open-lambda/test-dir/registry",
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "mem_mb": 50,
          "swappiness": 0
        },
        "registry_cache_ms": 5000,
        "docker_runtime": "",
        "mem_pool_mb": 500,
        "sandbox": "sock",
        "server_mode": "sock",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 10.877526044845581,
      "total_seconds": 11.22928786277771,
      "stats": {
        "sandboxes_per_sec": 41.5
      },
      "ol-stats": {
        "Create().cnt": 448,
        "Create().ms-avg": 7,
        "Create()/acquire-cgroup.cnt": 448,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 448,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 447,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 140,
        "Create()/make-root-fs.cnt": 448,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 863,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 448,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 448,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 448,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 447,
        "childExit().ms-avg": 0,
        "fork().cnt": 447,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 447,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 465,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 447,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:44:52 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:52 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:52 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:52 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:52 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:52 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:44:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:44:52 remove worker.pid",
        "2020/06/23 21:44:52 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "procs": 15,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "pip_mirror": "",
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "sandbox_config": {},
        "registry": "/root/open-lambda/test-dir/registry",
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "mem_mb": 50,
          "swappiness": 0
        },
        "registry_cache_ms": 5000,
        "docker_runtime": "",
        "mem_pool_mb": 500,
        "sandbox": "sock",
        "server_mode": "sock",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 11.04495096206665,
      "total_seconds": 11.405413150787354,
      "stats": {
        "sandboxes_per_sec": 40.0
      },
      "ol-stats": {
        "Create().cnt": 433,
        "Create().ms-avg": 139,
        "Create()/acquire-cgroup.cnt": 433,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 433,
        "Create()/acquire-mem.ms-avg": 79,
        "Create()/fork-proc.cnt": 432,
        "Create()/fork-proc.ms-avg": 55,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 177,
        "Create()/make-root-fs.cnt": 433,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 833,
        "Destroy().ms-avg": 53,
        "Destroy()/detach-root.cnt": 433,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 433,
        "Destroy()/kill-procs.ms-avg": 14,
        "Destroy()/remove-root.cnt": 433,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 432,
        "childExit().ms-avg": 61,
        "fork().cnt": 432,
        "fork().ms-avg": 55,
        "forkRequest.cnt": 432,
        "forkRequest.ms-avg": 10,
        "fresh-cgroup.cnt": 450,
        "fresh-cgroup.ms-avg": 4,
        "move-to-cg-after-fork.cnt": 432,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:45:04 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:04 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:04 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:04 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:04 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:04 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:04 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:45:04 remove worker.pid",
        "2020/06/23 21:45:04 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "worker_port": "5000",
        "mem_pool_mb": 500,
        "limits": {
          "swappiness": 0,
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "registry_cache_ms": 3000,
        "docker_runtime": "",
        "registry": "/tmp/tmpb3olt4xd",
        "pip_mirror": "",
        "server_mode": "lambda",
        "sandbox_config": {},
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock"
      },
      "seconds": 6.032823801040649,
      "total_seconds": 6.277655601501465,
      "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": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 183,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 2,
        "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": 1666,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 1669,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 1666,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 1665,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 21,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 3,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 1,
        "web-request.cnt": 1666,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:45:10 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:10 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:10 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:10 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:10 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:10 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:10 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:45:10 remove worker.pid",
        "2020/06/23 21:45:10 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 1,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "sandbox_config": {},
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "registry_cache_ms": 5000,
        "mem_pool_mb": 500,
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "pip_mirror": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock"
      },
      "seconds": 15.045000314712524,
      "total_seconds": 15.281481504440308,
      "stats": {
        "reqs_per_sec": 280.8666666666667
      },
      "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": 140,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 3,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4213,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4216,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4213,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4212,
        "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": 0,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 1,
        "web-request.cnt": 4213,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:45:25 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:25 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:25 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:25 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:25 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:25 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:25 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:45:25 remove worker.pid",
        "2020/06/23 21:45:25 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 2,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "sandbox_config": {},
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "registry_cache_ms": 5000,
        "mem_pool_mb": 500,
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "pip_mirror": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock"
      },
      "seconds": 15.045732021331787,
      "total_seconds": 15.28108286857605,
      "stats": {
        "reqs_per_sec": 276.8
      },
      "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": 141,
        "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": 4152,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 3775,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4152,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 3771,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 21,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 3,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 1,
        "web-request.cnt": 4152,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:45:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:45:40 remove worker.pid",
        "2020/06/23 21:45:40 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 8,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "sandbox_config": {},
        "features": {
          "import_cache": true,
          "reuse_cgroups": false,
          "downsize_paused_mem": true
        },
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "registry_cache_ms": 5000,
        "mem_pool_mb": 500,
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "docker_runtime": "",
        "registry": "/root/open-lambda/test-registry",
        "pip_mirror": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock"
      },
      "seconds": 15.070976257324219,
      "total_seconds": 15.305871486663818,
      "stats": {
        "reqs_per_sec": 251.4
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 46,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 9,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 140,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 3771,
        "LambdaFunc.Invoke.ms-avg": 2,
        "Pause().cnt": 2773,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 3771,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 2769,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 9,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 9,
        "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": 4,
        "web-request.cnt": 3771,
        "web-request.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:45:56 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:56 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:56 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:56 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:56 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:56 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:56 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:45:56 remove worker.pid",
        "2020/06/23 21:45:56 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 1,
        "lambda_count": 100
      },
      "pass": true,
      "conf": {
        "features": {
          "import_cache": true,
          "reuse_cgroups": true,
          "downsize_paused_mem": true
        },
        "import_cache_tree": "",
        "mem_pool_mb": 500,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "worker_port": "5000",
        "registry": "/tmp/tmp7ls_1o3z",
        "limits": {
          "swappiness": 0,
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "registry_cache_ms": 5000,
        "docker_runtime": "",
        "sandbox": "sock",
        "pip_mirror": "",
        "server_mode": "lambda",
        "sandbox_config": {},
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 3.0835025310516357,
      "total_seconds": 3.512427568435669,
      "stats": {
        "reqs_per_sec": 32.43096123536151
      },
      "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": 143,
        "Create()/make-root-fs.cnt": 101,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 158,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 101,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 101,
        "Destroy()/kill-procs.ms-avg": 4,
        "Destroy()/remove-root.cnt": 101,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 100,
        "LambdaFunc.Invoke.ms-avg": 27,
        "Pause().cnt": 200,
        "Pause().ms-avg": 9,
        "ServeHTTP.cnt": 100,
        "ServeHTTP.ms-avg": 6,
        "Unpause().cnt": 99,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 100,
        "childExit().ms-avg": 3,
        "evict.cnt": 57,
        "evict.ms-avg": 12,
        "fork().cnt": 100,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 100,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 70,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 100,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 100,
        "pull-lambda.ms-avg": 3,
        "web-request.cnt": 100,
        "web-request.ms-avg": 27
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:45:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:45:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:45:59 remove worker.pid",
        "2020/06/23 21:45:59 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 10,
        "lambda_count": 1000
      },
      "pass": true,
      "conf": {
        "registry": "/tmp/tmpwt8r8bsa",
        "features": {
          "import_cache": true,
          "reuse_cgroups": true,
          "downsize_paused_mem": true
        },
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "trace": {
          "evictor": false,
          "memory": false,
          "cgroups": false,
          "package": false
        },
        "sandbox_config": {},
        "mem_pool_mb": 500,
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "registry_cache_ms": 5000,
        "docker_runtime": "",
        "sandbox": "sock",
        "pip_mirror": "",
        "server_mode": "lambda",
        "worker_port": "5000",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 45.16190505027771,
      "total_seconds": 45.72392296791077,
      "stats": {
        "reqs_per_sec": 22.14256836686337
      },
      "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": 154,
        "Create()/make-root-fs.cnt": 1001,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 1982,
        "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": 41,
        "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": 981,
        "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": 41
      },
      "errors": [],
      "worker_tail": [
        "2020/06/23 21:46:45 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:46:45 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:46:45 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:46:45 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:46:45 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:46:45 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/23 21:46:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/23 21:46:45 remove worker.pid",
        "2020/06/23 21:46:45 exiting",
        ""
      ]
    }
  ],
  "passed": 18,
  "failed": 0,
  "seconds": 293.51150941848755
}