{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 1.5955734252929688,
      "total_seconds": 1.8299806118011475,
      "stats": {
        "pings_per_sec": 626.742075477647
      },
      "ol-stats": {
        "fresh-cgroup.cnt": 17,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:40:48 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:40:48 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:40:48 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:40:48 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:40:48 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:40:48 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:40:48 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:40:48 remove worker.pid",
        "2022/02/18 21:40:48 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": false,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 6.339590072631836,
      "total_seconds": 6.5844566822052,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 159,
        "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": 147,
        "Create()/make-root-fs.cnt": 10,
        "Create()/make-root-fs.ms-avg": 11,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 10,
        "Destroy()/detach-root.cnt": 10,
        "Destroy()/detach-root.ms-avg": 6,
        "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": 1578,
        "Pause().cnt": 4,
        "Pause().ms-avg": 3,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 44,
        "fresh-cgroup.cnt": 27,
        "fresh-cgroup.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 3,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 900,
        "web-request.cnt": 4,
        "web-request.ms-avg": 1579
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:40:55 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:40:55 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:40:55 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:40:55 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:40:55 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:40:55 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:40:55 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:40:55 remove worker.pid",
        "2022/02/18 21:40:55 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 5.886671304702759,
      "total_seconds": 6.130687952041626,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 11,
        "Create().ms-avg": 99,
        "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": 11,
        "Create()/fresh-proc.cnt": 7,
        "Create()/fresh-proc.ms-avg": 134,
        "Create()/make-root-fs.cnt": 11,
        "Create()/make-root-fs.ms-avg": 8,
        "Destroy().cnt": 11,
        "Destroy().ms-avg": 11,
        "Destroy()/detach-root.cnt": 11,
        "Destroy()/detach-root.ms-avg": 5,
        "Destroy()/kill-procs.cnt": 11,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 11,
        "Destroy()/remove-root.ms-avg": 1,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 1463,
        "Pause().cnt": 8,
        "Pause().ms-avg": 6,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 52,
        "Unpause().cnt": 3,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 4,
        "childExit().ms-avg": 0,
        "fork().cnt": 4,
        "fork().ms-avg": 11,
        "forkRequest.cnt": 4,
        "forkRequest.ms-avg": 11,
        "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": 893,
        "web-request.cnt": 4,
        "web-request.ms-avg": 1463
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:41:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:41:01 remove worker.pid",
        "2022/02/18 21:41:01 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "docker",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": false,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 11.83463454246521,
      "total_seconds": 12.665120124816895,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 629,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 165,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 2947,
        "Pause().cnt": 4,
        "Pause().ms-avg": 39,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 1,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 4,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 1468,
        "web-request.cnt": 4,
        "web-request.ms-avg": 2947
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:41:13 Kill function: install",
        "2022/02/18 21:41:13 Destroy() [SB 6]",
        "2022/02/18 21:41:13 Kill function: install2",
        "2022/02/18 21:41:13 Destroy() [SB 7]",
        "2022/02/18 21:41:13 Kill function: install3",
        "2022/02/18 21:41:13 Destroy() [SB 9]",
        "2022/02/18 21:41:13 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:41:13 remove worker.pid",
        "2022/02/18 21:41:13 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 0.20790767669677734,
      "total_seconds": 0.45139646530151367,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 83,
        "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": 10,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 127,
        "Create()/make-root-fs.cnt": 2,
        "Create()/make-root-fs.ms-avg": 13,
        "Destroy().cnt": 2,
        "Destroy().ms-avg": 7,
        "Destroy()/detach-root.cnt": 2,
        "Destroy()/detach-root.ms-avg": 5,
        "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": 204,
        "Pause().cnt": 2,
        "Pause().ms-avg": 8,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 22,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 10,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 10,
        "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": 204
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:41:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:41:14 remove worker.pid",
        "2022/02/18 21:41:14 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 0.950361967086792,
      "total_seconds": 1.18922758102417,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 83,
        "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": 14,
        "Destroy().cnt": 2,
        "Destroy().ms-avg": 8,
        "Destroy()/detach-root.cnt": 2,
        "Destroy()/detach-root.ms-avg": 6,
        "Destroy()/kill-procs.cnt": 2,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 2,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1,
        "LambdaFunc.Invoke.ms-avg": 947,
        "Pause().cnt": 2,
        "Pause().ms-avg": 7,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 765,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1,
        "web-request.ms-avg": 947
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:41:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:41:15 remove worker.pid",
        "2022/02/18 21:41:15 exiting",
        ""
      ]
    },
    {
      "test": "version",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 0.1967473030090332,
      "total_seconds": 0.4346730709075928,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 85,
        "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": 13,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 127,
        "Create()/make-root-fs.cnt": 2,
        "Create()/make-root-fs.ms-avg": 15,
        "Destroy().cnt": 2,
        "Destroy().ms-avg": 7,
        "Destroy()/detach-root.cnt": 2,
        "Destroy()/detach-root.ms-avg": 5,
        "Destroy()/kill-procs.cnt": 2,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 2,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1,
        "LambdaFunc.Invoke.ms-avg": 193,
        "Pause().cnt": 2,
        "Pause().ms-avg": 5,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 9,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 13,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 13,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 2,
        "web-request.cnt": 1,
        "web-request.ms-avg": 193
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:41:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:41:15 remove worker.pid",
        "2022/02/18 21:41:15 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 1000,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 26.328587770462036,
      "total_seconds": 26.552812337875366,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 13,
        "Channel().ms-avg": 0,
        "Create().cnt": 14,
        "Create().ms-avg": 111,
        "Create()/acquire-cgroup.cnt": 14,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 14,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 5,
        "Create()/fork-proc.ms-avg": 8,
        "Create()/fresh-proc.cnt": 9,
        "Create()/fresh-proc.ms-avg": 136,
        "Create()/make-root-fs.cnt": 14,
        "Create()/make-root-fs.ms-avg": 19,
        "Destroy().cnt": 14,
        "Destroy().ms-avg": 12,
        "Destroy()/detach-root.cnt": 14,
        "Destroy()/detach-root.ms-avg": 6,
        "Destroy()/kill-procs.cnt": 14,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 14,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 5,
        "LambdaFunc.Invoke.ms-avg": 5262,
        "Pause().cnt": 10,
        "Pause().ms-avg": 7,
        "ServeHTTP.cnt": 5,
        "ServeHTTP.ms-avg": 243,
        "Unpause().cnt": 4,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 5,
        "childExit().ms-avg": 4,
        "fork().cnt": 5,
        "fork().ms-avg": 8,
        "forkRequest.cnt": 5,
        "forkRequest.ms-avg": 8,
        "fresh-cgroup.cnt": 31,
        "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": 8,
        "pull-package.ms-avg": 3090,
        "web-request.cnt": 5,
        "web-request.ms-avg": 5262
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:41:42 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:42 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:42 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:42 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:42 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:42 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:42 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:41:42 remove worker.pid",
        "2022/02/18 21:41:42 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 1,
        "seconds": 5,
        "fork": false
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 5.036226511001587,
      "total_seconds": 5.266157388687134,
      "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": 135,
        "Create()/make-root-fs.cnt": 31,
        "Create()/make-root-fs.ms-avg": 7,
        "Destroy().cnt": 62,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 31,
        "Destroy()/detach-root.ms-avg": 7,
        "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": [
        "2022/02/18 21:41:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:41:47 remove worker.pid",
        "2022/02/18 21:41:47 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 1,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 10.173072338104248,
      "total_seconds": 10.41750454902649,
      "stats": {
        "sandboxes_per_sec": 25.7
      },
      "ol-stats": {
        "Create().cnt": 258,
        "Create().ms-avg": 16,
        "Create()/acquire-cgroup.cnt": 258,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 258,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 257,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 120,
        "Create()/make-root-fs.cnt": 258,
        "Create()/make-root-fs.ms-avg": 7,
        "Destroy().cnt": 515,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 258,
        "Destroy()/detach-root.ms-avg": 4,
        "Destroy()/kill-procs.cnt": 258,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 258,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 257,
        "childExit().ms-avg": 0,
        "fork().cnt": 257,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 257,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 275,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 257,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:41:58 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:58 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:58 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:58 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:58 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:58 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:41:58 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:41:58 remove worker.pid",
        "2022/02/18 21:41:58 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 0,
        "procs": 15,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 10.459991455078125,
      "total_seconds": 10.700565099716187,
      "stats": {
        "sandboxes_per_sec": 26.5
      },
      "ol-stats": {
        "Create().cnt": 266,
        "Create().ms-avg": 260,
        "Create()/acquire-cgroup.cnt": 266,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 266,
        "Create()/acquire-mem.ms-avg": 7,
        "Create()/fork-proc.cnt": 265,
        "Create()/fork-proc.ms-avg": 246,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 117,
        "Create()/make-root-fs.cnt": 266,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 531,
        "Destroy().ms-avg": 130,
        "Destroy()/detach-root.cnt": 266,
        "Destroy()/detach-root.ms-avg": 2,
        "Destroy()/kill-procs.cnt": 266,
        "Destroy()/kill-procs.ms-avg": 6,
        "Destroy()/remove-root.cnt": 266,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 265,
        "childExit().ms-avg": 236,
        "fork().cnt": 265,
        "fork().ms-avg": 246,
        "forkRequest.cnt": 265,
        "forkRequest.ms-avg": 33,
        "fresh-cgroup.cnt": 283,
        "fresh-cgroup.ms-avg": 5,
        "move-to-cg-after-fork.cnt": 265,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:42:08 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:08 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:08 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:08 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:08 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:08 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:08 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:42:08 remove worker.pid",
        "2022/02/18 21:42:08 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "procs": 1,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 11.277979373931885,
      "total_seconds": 11.647817373275757,
      "stats": {
        "sandboxes_per_sec": 28.2
      },
      "ol-stats": {
        "Create().cnt": 315,
        "Create().ms-avg": 10,
        "Create()/acquire-cgroup.cnt": 315,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 315,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 314,
        "Create()/fork-proc.ms-avg": 9,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 153,
        "Create()/make-root-fs.cnt": 315,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 597,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 315,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 315,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 315,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 1,
        "childExit().cnt": 314,
        "childExit().ms-avg": 0,
        "fork().cnt": 314,
        "fork().ms-avg": 9,
        "forkRequest.cnt": 314,
        "forkRequest.ms-avg": 8,
        "fresh-cgroup.cnt": 332,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 314,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:42:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:42:20 remove worker.pid",
        "2022/02/18 21:42:20 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "baseline": 32,
        "procs": 15,
        "seconds": 10,
        "fork": true
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "sock",
        "registry": "/root/open-lambda/test-dir/registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 11.721155643463135,
      "total_seconds": 12.181429624557495,
      "stats": {
        "sandboxes_per_sec": 27.2
      },
      "ol-stats": {
        "Create().cnt": 305,
        "Create().ms-avg": 288,
        "Create()/acquire-cgroup.cnt": 305,
        "Create()/acquire-cgroup.ms-avg": 1,
        "Create()/acquire-mem.cnt": 305,
        "Create()/acquire-mem.ms-avg": 172,
        "Create()/fork-proc.cnt": 304,
        "Create()/fork-proc.ms-avg": 109,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 237,
        "Create()/make-root-fs.cnt": 305,
        "Create()/make-root-fs.ms-avg": 2,
        "Destroy().cnt": 577,
        "Destroy().ms-avg": 76,
        "Destroy()/detach-root.cnt": 305,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 305,
        "Destroy()/kill-procs.ms-avg": 7,
        "Destroy()/remove-root.cnt": 305,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 1,
        "childExit().cnt": 304,
        "childExit().ms-avg": 115,
        "fork().cnt": 304,
        "fork().ms-avg": 109,
        "forkRequest.cnt": 304,
        "forkRequest.ms-avg": 25,
        "fresh-cgroup.cnt": 322,
        "fresh-cgroup.ms-avg": 6,
        "move-to-cg-after-fork.cnt": 304,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:42:32 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:32 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:32 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:32 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:32 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:32 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:32 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:42:32 remove worker.pid",
        "2022/02/18 21:42:32 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "lambda_count": 100,
        "alloc_mb": 1
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/tmp/tmpp3aaggkp",
        "registry_cache_ms": 3000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 5.1085004806518555,
      "total_seconds": 5.574329614639282,
      "stats": {
        "reqs_per_sec": 19.575349318118747
      },
      "ol-stats": {
        "Channel().cnt": 100,
        "Channel().ms-avg": 0,
        "Create().cnt": 101,
        "Create().ms-avg": 10,
        "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": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 275,
        "Create()/make-root-fs.cnt": 101,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 158,
        "Destroy().ms-avg": 8,
        "Destroy()/detach-root.cnt": 101,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 101,
        "Destroy()/kill-procs.ms-avg": 10,
        "Destroy()/remove-root.cnt": 101,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 100,
        "LambdaFunc.Invoke.ms-avg": 46,
        "Pause().cnt": 200,
        "Pause().ms-avg": 10,
        "ServeHTTP.cnt": 100,
        "ServeHTTP.ms-avg": 8,
        "Unpause().cnt": 99,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 100,
        "childExit().ms-avg": 2,
        "evict.cnt": 57,
        "evict.ms-avg": 20,
        "fork().cnt": 100,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 100,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 118,
        "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": 8,
        "web-request.cnt": 100,
        "web-request.ms-avg": 46
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:42:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:42:38 remove worker.pid",
        "2022/02/18 21:42:38 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/tmp/tmpxsljx8tl",
        "registry_cache_ms": 3000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 6.053820610046387,
      "total_seconds": 6.310539245605469,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 79,
        "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": 237,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 12,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 17,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 7,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1605,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 1608,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 1605,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 1604,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 10,
        "fork().cnt": 3,
        "fork().ms-avg": 9,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 8,
        "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": 1605,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:42:44 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:44 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:44 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:44 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:44 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:44 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:42:44 remove worker.pid",
        "2022/02/18 21:42:44 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 1,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 15.003621816635132,
      "total_seconds": 15.241255521774292,
      "stats": {
        "reqs_per_sec": 322.0
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 56,
        "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": 10,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 126,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 15,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 11,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 3,
        "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": 4830,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4833,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4830,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4829,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 6,
        "fork().cnt": 3,
        "fork().ms-avg": 10,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 10,
        "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": 4830,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:42:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:42:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:42:59 remove worker.pid",
        "2022/02/18 21:42:59 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 2,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 15.009560346603394,
      "total_seconds": 15.239136219024658,
      "stats": {
        "reqs_per_sec": 323.46666666666664
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 55,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 8,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 130,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 16,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 19,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 2,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 4,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4852,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4563,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4852,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4559,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 14,
        "fork().cnt": 3,
        "fork().ms-avg": 8,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 8,
        "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": 4852,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:43:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:43:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:43:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:43:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:43:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:43:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:43:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:43:15 remove worker.pid",
        "2022/02/18 21:43:15 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 8,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/root/open-lambda/test-registry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": false,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 15.028300523757935,
      "total_seconds": 15.26903247833252,
      "stats": {
        "reqs_per_sec": 353.93333333333334
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 59,
        "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": 17,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 125,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 14,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 12,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 5,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 5309,
        "LambdaFunc.Invoke.ms-avg": 12,
        "Pause().cnt": 450,
        "Pause().ms-avg": 1,
        "ServeHTTP.cnt": 5309,
        "ServeHTTP.ms-avg": 1,
        "Unpause().cnt": 448,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 17,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 17,
        "fresh-cgroup.cnt": 21,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 3,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 3,
        "web-request.cnt": 5309,
        "web-request.ms-avg": 12
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:43:30 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:43:30 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:43:30 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:43:30 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:43:30 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:43:30 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:43:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:43:30 remove worker.pid",
        "2022/02/18 21:43:30 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "lambda_count": 1000,
        "alloc_mb": 10
      },
      "pass": true,
      "conf": {
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "worker_port": "5000",
        "sandbox": "sock",
        "server_mode": "lambda",
        "registry": "/tmp/tmpl6g2h4ry",
        "registry_cache_ms": 5000,
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "pip_mirror": "",
        "mem_pool_mb": 500,
        "import_cache_tree": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "sandbox_config": {},
        "docker_runtime": "",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "swappiness": 0,
          "installer_mem_mb": 250
        },
        "features": {
          "reuse_cgroups": true,
          "import_cache": true,
          "downsize_paused_mem": true
        },
        "trace": {
          "cgroups": false,
          "memory": false,
          "evictor": false,
          "package": false
        },
        "storage": {
          "root": "private",
          "scratch": "",
          "code": ""
        }
      },
      "seconds": 71.44282174110413,
      "total_seconds": 72.41239905357361,
      "stats": {
        "reqs_per_sec": 13.997211699887773
      },
      "ol-stats": {
        "Channel().cnt": 1000,
        "Channel().ms-avg": 0,
        "Create().cnt": 1001,
        "Create().ms-avg": 11,
        "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": 9,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 128,
        "Create()/make-root-fs.cnt": 1001,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 1982,
        "Destroy().ms-avg": 12,
        "Destroy()/detach-root.cnt": 1001,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 1001,
        "Destroy()/kill-procs.ms-avg": 18,
        "Destroy()/remove-root.cnt": 1001,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1000,
        "LambdaFunc.Invoke.ms-avg": 67,
        "Pause().cnt": 2000,
        "Pause().ms-avg": 10,
        "ServeHTTP.cnt": 1000,
        "ServeHTTP.ms-avg": 28,
        "Unpause().cnt": 999,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 1000,
        "childExit().ms-avg": 4,
        "evict.cnt": 981,
        "evict.ms-avg": 24,
        "fork().cnt": 1000,
        "fork().ms-avg": 9,
        "forkRequest.cnt": 1000,
        "forkRequest.ms-avg": 8,
        "fresh-cgroup.cnt": 38,
        "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": 8,
        "web-request.cnt": 1000,
        "web-request.ms-avg": 67
      },
      "errors": [],
      "worker_tail": [
        "2022/02/18 21:44:42 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:44:42 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:44:42 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:44:42 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:44:42 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:44:42 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2022/02/18 21:44:42 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2022/02/18 21:44:42 remove worker.pid",
        "2022/02/18 21:44:42 exiting",
        ""
      ]
    }
  ],
  "passed": 19,
  "failed": 0,
  "seconds": 246.59337377548218
}