{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "server_mode": "lambda"
      },
      "seconds": 2.136240005493164,
      "total_seconds": 2.3582537174224854,
      "stats": {
        "pings_per_sec": 468.11679348282223
      },
      "ol-stats": {
        "fresh-cgroup.cnt": 17,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:45:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:45:20 remove worker.pid",
        "2020/06/09 21:45:20 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": false,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "server_mode": "lambda"
      },
      "seconds": 10.4351167678833,
      "total_seconds": 10.675371170043945,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 254,
        "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": 252,
        "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": 2599,
        "Pause().cnt": 4,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 92,
        "fresh-cgroup.cnt": 27,
        "fresh-cgroup.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 13,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 1378,
        "web-request.cnt": 4,
        "web-request.ms-avg": 2599
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:45:31 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:31 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:31 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:31 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:31 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:31 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:31 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:45:31 remove worker.pid",
        "2020/06/09 21:45:31 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock"
      },
      "seconds": 6.104254484176636,
      "total_seconds": 6.349427938461304,
      "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": 6,
        "Create()/fresh-proc.cnt": 7,
        "Create()/fresh-proc.ms-avg": 139,
        "Create()/make-root-fs.cnt": 11,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 11,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 11,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 11,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 11,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 1518,
        "Pause().cnt": 8,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 43,
        "Unpause().cnt": 3,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 4,
        "childExit().ms-avg": 0,
        "fork().cnt": 4,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 4,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 28,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 4,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 1,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 947,
        "web-request.cnt": 4,
        "web-request.ms-avg": 1518
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:45:37 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:37 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:37 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:37 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:37 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:37 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:45:37 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:45:37 remove worker.pid",
        "2020/06/09 21:45:37 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "docker",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": false,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "server_mode": "lambda"
      },
      "seconds": 23.28736972808838,
      "total_seconds": 24.310659408569336,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 1018,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 253,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 5809,
        "Pause().cnt": 4,
        "Pause().ms-avg": 29,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 1,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 2,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 2767,
        "web-request.cnt": 4,
        "web-request.ms-avg": 5809
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:46:01 Kill function: echo",
        "2020/06/09 21:46:01 Destroy() [SB 0]",
        "2020/06/09 21:46:01 Kill function: install",
        "2020/06/09 21:46:01 Destroy() [SB 6]",
        "2020/06/09 21:46:01 Kill function: install2",
        "2020/06/09 21:46:01 Destroy() [SB 7]",
        "2020/06/09 21:46:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:46:01 remove worker.pid",
        "2020/06/09 21:46:01 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock"
      },
      "seconds": 0.35634660720825195,
      "total_seconds": 0.5902526378631592,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 163,
        "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": 316,
        "Create()/make-root-fs.cnt": 2,
        "Create()/make-root-fs.ms-avg": 2,
        "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": 352,
        "Pause().cnt": 2,
        "Pause().ms-avg": 5,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 13,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 3,
        "web-request.cnt": 1,
        "web-request.ms-avg": 352
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:46:02 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:02 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:02 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:02 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:02 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:02 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:02 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:46:02 remove worker.pid",
        "2020/06/09 21:46:02 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock"
      },
      "seconds": 0.8802769184112549,
      "total_seconds": 1.1118054389953613,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 77,
        "Create()/acquire-cgroup.cnt": 2,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 2,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 1,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 138,
        "Create()/make-root-fs.cnt": 2,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 2,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 2,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 2,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 2,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1,
        "LambdaFunc.Invoke.ms-avg": 876,
        "Pause().cnt": 2,
        "Pause().ms-avg": 5,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 712,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 1,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1,
        "web-request.ms-avg": 876
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:46:03 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:03 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:03 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:03 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:03 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:03 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:46:03 remove worker.pid",
        "2020/06/09 21:46:03 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock"
      },
      "seconds": 51.32274913787842,
      "total_seconds": 51.575555086135864,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 12,
        "Channel().ms-avg": 0,
        "Create().cnt": 13,
        "Create().ms-avg": 98,
        "Create()/acquire-cgroup.cnt": 13,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 13,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 5,
        "Create()/fork-proc.ms-avg": 5,
        "Create()/fresh-proc.cnt": 8,
        "Create()/fresh-proc.ms-avg": 149,
        "Create()/make-root-fs.cnt": 13,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 13,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 13,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 13,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 13,
        "Destroy()/remove-root.ms-avg": 1,
        "LambdaFunc.Invoke.cnt": 5,
        "LambdaFunc.Invoke.ms-avg": 10260,
        "Pause().cnt": 10,
        "Pause().ms-avg": 6,
        "ServeHTTP.cnt": 5,
        "ServeHTTP.ms-avg": 241,
        "Unpause().cnt": 4,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 5,
        "childExit().ms-avg": 0,
        "fork().cnt": 5,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 5,
        "forkRequest.ms-avg": 4,
        "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": 36,
        "pull-package.cnt": 7,
        "pull-package.ms-avg": 7083,
        "web-request.cnt": 5,
        "web-request.ms-avg": 10261
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:46:55 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:55 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:55 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:55 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:55 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:55 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:46:55 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:46:55 remove worker.pid",
        "2020/06/09 21:46:55 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "baseline": 0,
        "fork": false,
        "seconds": 5
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-dir/registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock"
      },
      "seconds": 5.044145345687866,
      "total_seconds": 5.2668046951293945,
      "stats": {
        "sandboxes_per_sec": 6.2
      },
      "ol-stats": {
        "Create().cnt": 31,
        "Create().ms-avg": 143,
        "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": 139,
        "Create()/make-root-fs.cnt": 31,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 62,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 31,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 31,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 31,
        "Destroy()/remove-root.ms-avg": 0,
        "fresh-cgroup.cnt": 48,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:47:00 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:00 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:00 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:00 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:00 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:00 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:00 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:47:00 remove worker.pid",
        "2020/06/09 21:47:00 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "baseline": 0,
        "fork": true,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-dir/registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock"
      },
      "seconds": 10.173329591751099,
      "total_seconds": 10.409243106842041,
      "stats": {
        "sandboxes_per_sec": 40.6
      },
      "ol-stats": {
        "Create().cnt": 407,
        "Create().ms-avg": 11,
        "Create()/acquire-cgroup.cnt": 407,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 407,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 406,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 136,
        "Create()/make-root-fs.cnt": 407,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 813,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 407,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 407,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 407,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 406,
        "childExit().ms-avg": 0,
        "fork().cnt": 406,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 406,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 424,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 406,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:47:10 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:10 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:10 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:10 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:10 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:10 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:10 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:47:10 remove worker.pid",
        "2020/06/09 21:47:10 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 15,
        "baseline": 0,
        "fork": true,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-dir/registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock"
      },
      "seconds": 10.302739143371582,
      "total_seconds": 10.543004512786865,
      "stats": {
        "sandboxes_per_sec": 44.5
      },
      "ol-stats": {
        "Create().cnt": 446,
        "Create().ms-avg": 89,
        "Create()/acquire-cgroup.cnt": 446,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 446,
        "Create()/acquire-mem.ms-avg": 17,
        "Create()/fork-proc.cnt": 445,
        "Create()/fork-proc.ms-avg": 67,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 134,
        "Create()/make-root-fs.cnt": 446,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 891,
        "Destroy().ms-avg": 56,
        "Destroy()/detach-root.cnt": 446,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 446,
        "Destroy()/kill-procs.ms-avg": 15,
        "Destroy()/remove-root.cnt": 446,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 445,
        "childExit().ms-avg": 68,
        "fork().cnt": 445,
        "fork().ms-avg": 67,
        "forkRequest.cnt": 445,
        "forkRequest.ms-avg": 11,
        "fresh-cgroup.cnt": 463,
        "fresh-cgroup.ms-avg": 4,
        "move-to-cg-after-fork.cnt": 445,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:47:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:47:21 remove worker.pid",
        "2020/06/09 21:47:21 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "baseline": 32,
        "fork": true,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-dir/registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock"
      },
      "seconds": 10.821261405944824,
      "total_seconds": 11.161571025848389,
      "stats": {
        "sandboxes_per_sec": 43.3
      },
      "ol-stats": {
        "Create().cnt": 466,
        "Create().ms-avg": 7,
        "Create()/acquire-cgroup.cnt": 466,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 466,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 465,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 136,
        "Create()/make-root-fs.cnt": 466,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 899,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 466,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 466,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 466,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 1,
        "childExit().cnt": 465,
        "childExit().ms-avg": 0,
        "fork().cnt": 465,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 465,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 483,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 465,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:47:32 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:32 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:32 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:32 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:32 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:32 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:32 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:47:32 remove worker.pid",
        "2020/06/09 21:47:32 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 15,
        "baseline": 32,
        "fork": true,
        "seconds": 10
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "sock",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-dir/registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock"
      },
      "seconds": 11.06361722946167,
      "total_seconds": 11.411346197128296,
      "stats": {
        "sandboxes_per_sec": 41.5
      },
      "ol-stats": {
        "Create().cnt": 448,
        "Create().ms-avg": 133,
        "Create()/acquire-cgroup.cnt": 448,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 448,
        "Create()/acquire-mem.ms-avg": 75,
        "Create()/fork-proc.cnt": 447,
        "Create()/fork-proc.ms-avg": 54,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 194,
        "Create()/make-root-fs.cnt": 448,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 863,
        "Destroy().ms-avg": 50,
        "Destroy()/detach-root.cnt": 448,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 448,
        "Destroy()/kill-procs.ms-avg": 11,
        "Destroy()/remove-root.cnt": 448,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 447,
        "childExit().ms-avg": 58,
        "fork().cnt": 447,
        "fork().ms-avg": 54,
        "forkRequest.cnt": 447,
        "forkRequest.ms-avg": 10,
        "fresh-cgroup.cnt": 465,
        "fresh-cgroup.ms-avg": 4,
        "move-to-cg-after-fork.cnt": 447,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:47:43 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:43 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:43 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:43 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:43 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:43 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:47:43 remove worker.pid",
        "2020/06/09 21:47:43 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 3000,
        "worker_port": "5000",
        "registry": "/tmp/tmp7wcwhjfa",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "server_mode": "lambda"
      },
      "seconds": 6.037272691726685,
      "total_seconds": 6.282144784927368,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 53,
        "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": 180,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 2,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 4,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 3,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1692,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 1695,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 1692,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 1691,
        "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": 1692,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:47:50 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:50 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:50 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:50 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:50 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:50 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:47:50 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:47:50 remove worker.pid",
        "2020/06/09 21:47:50 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 1,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock"
      },
      "seconds": 15.047886848449707,
      "total_seconds": 15.279878616333008,
      "stats": {
        "reqs_per_sec": 284.26666666666665
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 44,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 141,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 4,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4264,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4267,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4264,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4263,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 21,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 3,
        "move-to-cg-after-fork.ms-avg": 1,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 1,
        "web-request.cnt": 4264,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:48:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:48:05 remove worker.pid",
        "2020/06/09 21:48:05 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 2,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock"
      },
      "seconds": 15.048263311386108,
      "total_seconds": 15.28145146369934,
      "stats": {
        "reqs_per_sec": 284.2
      },
      "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": 136,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 4,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4263,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 3844,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4263,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 3840,
        "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": 4263,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:48:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:48:20 remove worker.pid",
        "2020/06/09 21:48:20 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 8,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": false
        },
        "sandbox": "sock"
      },
      "seconds": 15.069279432296753,
      "total_seconds": 15.301298379898071,
      "stats": {
        "reqs_per_sec": 261.0
      },
      "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": 141,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 4,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 3915,
        "LambdaFunc.Invoke.ms-avg": 2,
        "Pause().cnt": 2940,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 3915,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 2936,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 1,
        "fork().cnt": 3,
        "fork().ms-avg": 9,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 7,
        "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": 3915,
        "web-request.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:48:36 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:36 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:36 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:36 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:36 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:36 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:36 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:48:36 remove worker.pid",
        "2020/06/09 21:48:36 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "lambda_count": 100,
        "alloc_mb": 1
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "swappiness": 0,
          "mem_mb": 50,
          "installer_mem_mb": 250
        },
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/tmp/tmpisz9olhu",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": true
        },
        "server_mode": "lambda"
      },
      "seconds": 3.0016720294952393,
      "total_seconds": 3.4344279766082764,
      "stats": {
        "reqs_per_sec": 33.31502490065987
      },
      "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": 136,
        "Create()/make-root-fs.cnt": 101,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 159,
        "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": 3,
        "Destroy()/remove-root.cnt": 101,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 100,
        "LambdaFunc.Invoke.ms-avg": 26,
        "Pause().cnt": 200,
        "Pause().ms-avg": 11,
        "ServeHTTP.cnt": 100,
        "ServeHTTP.ms-avg": 6,
        "Unpause().cnt": 99,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 100,
        "childExit().ms-avg": 4,
        "evict.cnt": 58,
        "evict.ms-avg": 12,
        "fork().cnt": 100,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 100,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 66,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 100,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 100,
        "pull-lambda.ms-avg": 3,
        "web-request.cnt": 100,
        "web-request.ms-avg": 26
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:48:39 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:39 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:39 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:39 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:39 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:39 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:48:39 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:48:39 remove worker.pid",
        "2020/06/09 21:48:39 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "lambda_count": 1000,
        "alloc_mb": 10
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "limits": {
          "procs": 10,
          "installer_mem_mb": 250,
          "swappiness": 0,
          "mem_mb": 50
        },
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "server_mode": "lambda",
        "pip_mirror": "",
        "trace": {
          "memory": false,
          "package": false,
          "evictor": false,
          "cgroups": false
        },
        "storage": {
          "scratch": "",
          "root": "private",
          "code": ""
        },
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "mem_pool_mb": 500,
        "registry_cache_ms": 5000,
        "worker_port": "5000",
        "registry": "/tmp/tmpjab0sklx",
        "import_cache_tree": "",
        "features": {
          "import_cache": true,
          "downsize_paused_mem": true,
          "reuse_cgroups": true
        },
        "sandbox": "sock"
      },
      "seconds": 45.09641098976135,
      "total_seconds": 45.66431999206543,
      "stats": {
        "reqs_per_sec": 22.174728179556684
      },
      "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": 136,
        "Create()/make-root-fs.cnt": 1001,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 1980,
        "Destroy().ms-avg": 6,
        "Destroy()/detach-root.cnt": 1001,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 1001,
        "Destroy()/kill-procs.ms-avg": 8,
        "Destroy()/remove-root.cnt": 1001,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1000,
        "LambdaFunc.Invoke.ms-avg": 40,
        "Pause().cnt": 2000,
        "Pause().ms-avg": 9,
        "ServeHTTP.cnt": 1000,
        "ServeHTTP.ms-avg": 19,
        "Unpause().cnt": 999,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 1000,
        "childExit().ms-avg": 4,
        "evict.cnt": 979,
        "evict.ms-avg": 13,
        "fork().cnt": 1000,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 1000,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 40,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1000,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1000,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1000,
        "web-request.ms-avg": 40
      },
      "errors": [],
      "worker_tail": [
        "2020/06/09 21:49:25 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:49:25 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:49:25 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:49:25 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:49:25 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:49:25 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/06/09 21:49:25 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/06/09 21:49:25 remove worker.pid",
        "2020/06/09 21:49:25 exiting",
        ""
      ]
    }
  ],
  "passed": 18,
  "failed": 0,
  "seconds": 340.42499470710754
}