{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_port": "5000",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 2.085707426071167,
      "total_seconds": 2.2679755687713623,
      "stats": {
        "pings_per_sec": 479.45763257460146
      },
      "ol-stats": {
        "fresh-cgroup.cnt": 17,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:46:19 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:19 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:19 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:19 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:19 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:19 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:19 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:46:19 remove worker.pid",
        "2020/03/31 21:46:19 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_port": "5000",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "features": {
          "import_cache": false,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 11.495847702026367,
      "total_seconds": 11.732699155807495,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 320,
        "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": 318,
        "Create()/make-root-fs.cnt": 10,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 10,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 10,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 10,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 2864,
        "Pause().cnt": 4,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 76,
        "fresh-cgroup.cnt": 27,
        "fresh-cgroup.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 7,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 1453,
        "web-request.cnt": 4,
        "web-request.ms-avg": 2864
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:46:31 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:31 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:31 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:31 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:31 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:31 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:31 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:46:31 remove worker.pid",
        "2020/03/31 21:46:31 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 6.160959482192993,
      "total_seconds": 6.397006034851074,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 11,
        "Create().ms-avg": 92,
        "Create()/acquire-cgroup.cnt": 11,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 11,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 4,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 7,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 11,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 11,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 11,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 11,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 11,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 1497,
        "Pause().cnt": 8,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 42,
        "Unpause().cnt": 3,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 4,
        "childExit().ms-avg": 0,
        "fork().cnt": 4,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 4,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 28,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 4,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 1,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 935,
        "web-request.cnt": 4,
        "web-request.ms-avg": 1497
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:46:37 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:37 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:37 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:37 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:37 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:37 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:46:37 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:46:37 remove worker.pid",
        "2020/03/31 21:46:37 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_port": "5000",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "docker",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "features": {
          "import_cache": false,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 21.256547451019287,
      "total_seconds": 22.48322319984436,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 858,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 316,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 5303,
        "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": 2715,
        "web-request.cnt": 4,
        "web-request.ms-avg": 5303
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:46:59 Kill function: install",
        "2020/03/31 21:46:59 Destroy() [SB 6]",
        "2020/03/31 21:46:59 Kill function: install2",
        "2020/03/31 21:46:59 Destroy() [SB 7]",
        "2020/03/31 21:47:00 Kill function: install3",
        "2020/03/31 21:47:00 Destroy() [SB 9]",
        "2020/03/31 21:47:00 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:47:00 remove worker.pid",
        "2020/03/31 21:47:00 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 0.16747188568115234,
      "total_seconds": 0.3959078788757324,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 73,
        "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": 130,
        "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": 163,
        "Pause().cnt": 2,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 11,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 2,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1,
        "web-request.ms-avg": 163
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:47:00 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:47:00 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:47:00 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:47:00 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:47:00 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:47:00 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:47:00 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:47:00 remove worker.pid",
        "2020/03/31 21:47:00 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 0.7966647148132324,
      "total_seconds": 1.0288991928100586,
      "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": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 133,
        "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": 793,
        "Pause().cnt": 2,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 625,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 1,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 14,
        "web-request.cnt": 1,
        "web-request.ms-avg": 793
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:47:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:47:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:47:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:47:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:47:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:47:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:47:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:47:01 remove worker.pid",
        "2020/03/31 21:47:01 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 85.87251019477844,
      "total_seconds": 86.20470523834229,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 12,
        "Channel().ms-avg": 0,
        "Create().cnt": 13,
        "Create().ms-avg": 149,
        "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": 202,
        "Create()/make-root-fs.cnt": 13,
        "Create()/make-root-fs.ms-avg": 21,
        "Destroy().cnt": 13,
        "Destroy().ms-avg": 11,
        "Destroy()/detach-root.cnt": 13,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 13,
        "Destroy()/kill-procs.ms-avg": 9,
        "Destroy()/remove-root.cnt": 13,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 5,
        "LambdaFunc.Invoke.ms-avg": 17171,
        "Pause().cnt": 10,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 5,
        "ServeHTTP.ms-avg": 399,
        "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": 2,
        "pull-package.cnt": 7,
        "pull-package.ms-avg": 11925,
        "web-request.cnt": 5,
        "web-request.ms-avg": 17171
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:48:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:48:27 remove worker.pid",
        "2020/03/31 21:48:27 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "fork": false,
        "baseline": 0,
        "seconds": 5
      },
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "sock",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 5.08160924911499,
      "total_seconds": 5.205805540084839,
      "stats": {
        "sandboxes_per_sec": 6.8
      },
      "ol-stats": {
        "Create().cnt": 34,
        "Create().ms-avg": 134,
        "Create()/acquire-cgroup.cnt": 34,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 34,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fresh-proc.cnt": 34,
        "Create()/fresh-proc.ms-avg": 129,
        "Create()/make-root-fs.cnt": 34,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 68,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 34,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 34,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 34,
        "Destroy()/remove-root.ms-avg": 0,
        "fresh-cgroup.cnt": 51,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:48:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:48:33 remove worker.pid",
        "2020/03/31 21:48:33 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "fork": true,
        "baseline": 0,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "sock",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 10.252053022384644,
      "total_seconds": 10.48586916923523,
      "stats": {
        "sandboxes_per_sec": 48.4
      },
      "ol-stats": {
        "Create().cnt": 485,
        "Create().ms-avg": 9,
        "Create()/acquire-cgroup.cnt": 485,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 485,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 484,
        "Create()/fork-proc.ms-avg": 5,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 132,
        "Create()/make-root-fs.cnt": 485,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 969,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 485,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 485,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 485,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 484,
        "childExit().ms-avg": 0,
        "fork().cnt": 484,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 484,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 502,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 484,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:48:43 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:43 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:43 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:43 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:43 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:43 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:48:43 remove worker.pid",
        "2020/03/31 21:48:43 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 15,
        "fork": true,
        "baseline": 0,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "sock",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 10.35549020767212,
      "total_seconds": 10.575902700424194,
      "stats": {
        "sandboxes_per_sec": 48.5
      },
      "ol-stats": {
        "Create().cnt": 486,
        "Create().ms-avg": 66,
        "Create()/acquire-cgroup.cnt": 486,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 486,
        "Create()/acquire-mem.ms-avg": 19,
        "Create()/fork-proc.cnt": 485,
        "Create()/fork-proc.ms-avg": 44,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 135,
        "Create()/make-root-fs.cnt": 486,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 971,
        "Destroy().ms-avg": 42,
        "Destroy()/detach-root.cnt": 486,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 486,
        "Destroy()/kill-procs.ms-avg": 12,
        "Destroy()/remove-root.cnt": 486,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 485,
        "childExit().ms-avg": 40,
        "fork().cnt": 485,
        "fork().ms-avg": 44,
        "forkRequest.cnt": 485,
        "forkRequest.ms-avg": 9,
        "fresh-cgroup.cnt": 503,
        "fresh-cgroup.ms-avg": 3,
        "move-to-cg-after-fork.cnt": 485,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:48:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:48:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:48:54 remove worker.pid",
        "2020/03/31 21:48:54 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "fork": true,
        "baseline": 32,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "sock",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 10.716303586959839,
      "total_seconds": 11.051815748214722,
      "stats": {
        "sandboxes_per_sec": 48.9
      },
      "ol-stats": {
        "Create().cnt": 522,
        "Create().ms-avg": 6,
        "Create()/acquire-cgroup.cnt": 522,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 522,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 521,
        "Create()/fork-proc.ms-avg": 5,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 125,
        "Create()/make-root-fs.cnt": 522,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 1011,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 522,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 522,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 522,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 521,
        "childExit().ms-avg": 0,
        "fork().cnt": 521,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 521,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 539,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 521,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:49:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:49:05 remove worker.pid",
        "2020/03/31 21:49:05 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 15,
        "fork": true,
        "baseline": 32,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "sock",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 10.957733154296875,
      "total_seconds": 11.307478904724121,
      "stats": {
        "sandboxes_per_sec": 46.7
      },
      "ol-stats": {
        "Create().cnt": 500,
        "Create().ms-avg": 104,
        "Create()/acquire-cgroup.cnt": 500,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 500,
        "Create()/acquire-mem.ms-avg": 62,
        "Create()/fork-proc.cnt": 499,
        "Create()/fork-proc.ms-avg": 39,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 143,
        "Create()/make-root-fs.cnt": 500,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 967,
        "Destroy().ms-avg": 37,
        "Destroy()/detach-root.cnt": 500,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 500,
        "Destroy()/kill-procs.ms-avg": 8,
        "Destroy()/remove-root.cnt": 500,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 499,
        "childExit().ms-avg": 42,
        "fork().cnt": 499,
        "fork().ms-avg": 39,
        "forkRequest.cnt": 499,
        "forkRequest.ms-avg": 9,
        "fresh-cgroup.cnt": 517,
        "fresh-cgroup.ms-avg": 2,
        "move-to-cg-after-fork.cnt": 499,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:49:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:49:16 remove worker.pid",
        "2020/03/31 21:49:16 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_port": "5000",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "sock",
        "registry": "/tmp/tmp6g014zjb",
        "registry_cache_ms": 3000,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 6.030332565307617,
      "total_seconds": 6.172008514404297,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 41,
        "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": 135,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 2,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1791,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 1794,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 1791,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 1790,
        "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": 1791,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:49:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:49:22 remove worker.pid",
        "2020/03/31 21:49:22 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 1,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 15.240761518478394,
      "total_seconds": 15.47141432762146,
      "stats": {
        "reqs_per_sec": 292.8
      },
      "ol-stats": {
        "Channel().cnt": 4,
        "Channel().ms-avg": 0,
        "Create().cnt": 5,
        "Create().ms-avg": 34,
        "Create()/acquire-cgroup.cnt": 5,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 5,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 4,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 127,
        "Create()/make-root-fs.cnt": 5,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 5,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 5,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 5,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 5,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4392,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4396,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4392,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4391,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 4,
        "childExit().ms-avg": 1,
        "fork().cnt": 4,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 4,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 22,
        "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,
        "web-request.cnt": 4392,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:49:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:49:38 remove worker.pid",
        "2020/03/31 21:49:38 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 2,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 15.042598724365234,
      "total_seconds": 15.271507501602173,
      "stats": {
        "reqs_per_sec": 293.26666666666665
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 42,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 130,
        "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": 4399,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 3992,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4399,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 3988,
        "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": 4399,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:49:53 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:53 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:53 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:53 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:53 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:53 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:49:53 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:49:53 remove worker.pid",
        "2020/03/31 21:49:53 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 8,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "sock",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 15.06076693534851,
      "total_seconds": 15.291289567947388,
      "stats": {
        "reqs_per_sec": 289.73333333333335
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 42,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 130,
        "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": 0,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4346,
        "LambdaFunc.Invoke.ms-avg": 2,
        "Pause().cnt": 3055,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4346,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 3051,
        "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": 2,
        "web-request.cnt": 4346,
        "web-request.ms-avg": 3
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:50:08 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:08 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:08 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:08 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:08 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:08 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:08 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:50:08 remove worker.pid",
        "2020/03/31 21:50:08 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 1,
        "lambda_count": 100
      },
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_port": "5000",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "pip_mirror": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "sock",
        "registry": "/tmp/tmpqqxce3m6",
        "registry_cache_ms": 5000,
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": true
        },
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 2.478375196456909,
      "total_seconds": 2.9020538330078125,
      "stats": {
        "reqs_per_sec": 40.3493690408667
      },
      "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": 131,
        "Create()/make-root-fs.cnt": 101,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 158,
        "Destroy().ms-avg": 4,
        "Destroy()/detach-root.cnt": 101,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 101,
        "Destroy()/kill-procs.ms-avg": 3,
        "Destroy()/remove-root.cnt": 101,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 100,
        "LambdaFunc.Invoke.ms-avg": 21,
        "Pause().cnt": 200,
        "Pause().ms-avg": 9,
        "ServeHTTP.cnt": 100,
        "ServeHTTP.ms-avg": 5,
        "Unpause().cnt": 99,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 100,
        "childExit().ms-avg": 2,
        "evict.cnt": 57,
        "evict.ms-avg": 8,
        "fork().cnt": 100,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 100,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 63,
        "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": 1,
        "web-request.cnt": 100,
        "web-request.ms-avg": 21
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:50:11 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:11 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:11 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:11 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:11 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:11 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:11 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:50:11 remove worker.pid",
        "2020/03/31 21:50:11 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 10,
        "lambda_count": 1000
      },
      "pass": true,
      "conf": {
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": true
        },
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "installer_mem_mb": 250,
          "mem_mb": 50
        },
        "pip_mirror": "",
        "storage": {
          "root": "private",
          "code": "",
          "scratch": ""
        },
        "mem_pool_mb": 500,
        "server_mode": "lambda",
        "sandbox": "sock",
        "registry": "/tmp/tmpr08rleri",
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "trace": {
          "memory": false,
          "evictor": false,
          "package": false,
          "cgroups": false
        },
        "sandbox_config": {},
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
      },
      "seconds": 40.617833614349365,
      "total_seconds": 41.310054779052734,
      "stats": {
        "reqs_per_sec": 24.619741924328213
      },
      "ol-stats": {
        "Channel().cnt": 1000,
        "Channel().ms-avg": 0,
        "Create().cnt": 1001,
        "Create().ms-avg": 7,
        "Create()/acquire-cgroup.cnt": 1001,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 1001,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 1000,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 131,
        "Create()/make-root-fs.cnt": 1001,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 1982,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 1001,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 1001,
        "Destroy()/kill-procs.ms-avg": 6,
        "Destroy()/remove-root.cnt": 1001,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1000,
        "LambdaFunc.Invoke.ms-avg": 36,
        "Pause().cnt": 2000,
        "Pause().ms-avg": 9,
        "ServeHTTP.cnt": 1000,
        "ServeHTTP.ms-avg": 18,
        "Unpause().cnt": 999,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 1000,
        "childExit().ms-avg": 2,
        "evict.cnt": 981,
        "evict.ms-avg": 10,
        "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": 36
      },
      "errors": [],
      "worker_tail": [
        "2020/03/31 21:50:52 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:52 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:52 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:52 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:52 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:52 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/03/31 21:50:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/03/31 21:50:52 remove worker.pid",
        "2020/03/31 21:50:52 exiting",
        ""
      ]
    }
  ],
  "passed": 18,
  "failed": 0,
  "seconds": 372.85481357574463
}