{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 2.1580324172973633,
      "total_seconds": 2.37418270111084,
      "stats": {
        "pings_per_sec": 463.389778676158
      },
      "ol-stats": {
        "fresh-cgroup.cnt": 17,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:45:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:45:21 remove worker.pid",
        "2020/05/29 21:45:21 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": false
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 10.895248174667358,
      "total_seconds": 11.133828163146973,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 262,
        "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": 260,
        "Create()/make-root-fs.cnt": 10,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 10,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 10,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 10,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 2708,
        "Pause().cnt": 4,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 68,
        "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": 1453,
        "web-request.cnt": 4,
        "web-request.ms-avg": 2708
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:45:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:45:33 remove worker.pid",
        "2020/05/29 21:45:33 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 8.72057294845581,
      "total_seconds": 8.957935810089111,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 11,
        "Create().ms-avg": 224,
        "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": 138,
        "Create()/make-root-fs.cnt": 11,
        "Create()/make-root-fs.ms-avg": 133,
        "Destroy().cnt": 11,
        "Destroy().ms-avg": 2,
        "Destroy()/detach-root.cnt": 11,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 11,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 11,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 2172,
        "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": 6,
        "fresh-cgroup.cnt": 28,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 4,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 1,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 1142,
        "web-request.cnt": 4,
        "web-request.ms-avg": 2172
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:45:41 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:41 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:41 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:41 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:41 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:41 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:45:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:45:41 remove worker.pid",
        "2020/05/29 21:45:41 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": false
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "docker",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 22.88943839073181,
      "total_seconds": 23.918415546417236,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 10,
        "Channel().ms-avg": 0,
        "Create().cnt": 10,
        "Create().ms-avg": 1095,
        "Destroy().cnt": 10,
        "Destroy().ms-avg": 277,
        "LambdaFunc.Invoke.cnt": 4,
        "LambdaFunc.Invoke.ms-avg": 5711,
        "Pause().cnt": 4,
        "Pause().ms-avg": 78,
        "ServeHTTP.cnt": 4,
        "ServeHTTP.ms-avg": 1,
        "pull-lambda.cnt": 4,
        "pull-lambda.ms-avg": 1,
        "pull-package.cnt": 6,
        "pull-package.ms-avg": 2580,
        "web-request.cnt": 4,
        "web-request.ms-avg": 5711
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:46:05 Kill function: install",
        "2020/05/29 21:46:05 Destroy() [SB 6]",
        "2020/05/29 21:46:05 Kill function: install2",
        "2020/05/29 21:46:05 Destroy() [SB 7]",
        "2020/05/29 21:46:05 Kill function: install3",
        "2020/05/29 21:46:05 Destroy() [SB 9]",
        "2020/05/29 21:46:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:46:05 remove worker.pid",
        "2020/05/29 21:46:05 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 0.20771408081054688,
      "total_seconds": 0.4400804042816162,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 86,
        "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": 158,
        "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": 203,
        "Pause().cnt": 2,
        "Pause().ms-avg": 4,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 13,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 5,
        "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": 10,
        "web-request.cnt": 1,
        "web-request.ms-avg": 204
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:46:06 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:06 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:06 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:06 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:06 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:06 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:06 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:46:06 remove worker.pid",
        "2020/05/29 21:46:06 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 0.8932397365570068,
      "total_seconds": 1.1273314952850342,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 1,
        "Channel().ms-avg": 0,
        "Create().cnt": 2,
        "Create().ms-avg": 76,
        "Create()/acquire-cgroup.cnt": 2,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 2,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 1,
        "Create()/fork-proc.ms-avg": 6,
        "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": 889,
        "Pause().cnt": 2,
        "Pause().ms-avg": 5,
        "ServeHTTP.cnt": 1,
        "ServeHTTP.ms-avg": 724,
        "childExit().cnt": 1,
        "childExit().ms-avg": 0,
        "fork().cnt": 1,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 1,
        "forkRequest.ms-avg": 4,
        "fresh-cgroup.cnt": 19,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 1,
        "move-to-cg-after-fork.ms-avg": 1,
        "pull-lambda.cnt": 1,
        "pull-lambda.ms-avg": 3,
        "web-request.cnt": 1,
        "web-request.ms-avg": 889
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:46:07 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:07 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:07 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:07 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:07 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:07 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:07 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:46:07 remove worker.pid",
        "2020/05/29 21:46:07 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 50.305933237075806,
      "total_seconds": 50.71139740943909,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 12,
        "Channel().ms-avg": 0,
        "Create().cnt": 13,
        "Create().ms-avg": 103,
        "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": 151,
        "Create()/make-root-fs.cnt": 13,
        "Create()/make-root-fs.ms-avg": 8,
        "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": 10057,
        "Pause().cnt": 10,
        "Pause().ms-avg": 5,
        "ServeHTTP.cnt": 5,
        "ServeHTTP.ms-avg": 286,
        "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": 5,
        "fresh-cgroup.cnt": 30,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 5,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 5,
        "pull-lambda.ms-avg": 6,
        "pull-package.cnt": 7,
        "pull-package.ms-avg": 6920,
        "web-request.cnt": 5,
        "web-request.ms-avg": 10057
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:46:58 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:58 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:58 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:58 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:58 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:58 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:46:58 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:46:58 remove worker.pid",
        "2020/05/29 21:46:58 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "seconds": 5,
        "fork": false,
        "baseline": 0
      },
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "sock",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-dir/registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 5.129475355148315,
      "total_seconds": 5.254302501678467,
      "stats": {
        "sandboxes_per_sec": 6.4
      },
      "ol-stats": {
        "Create().cnt": 32,
        "Create().ms-avg": 142,
        "Create()/acquire-cgroup.cnt": 32,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 32,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fresh-proc.cnt": 32,
        "Create()/fresh-proc.ms-avg": 137,
        "Create()/make-root-fs.cnt": 32,
        "Create()/make-root-fs.ms-avg": 4,
        "Destroy().cnt": 64,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 32,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 32,
        "Destroy()/kill-procs.ms-avg": 1,
        "Destroy()/remove-root.cnt": 32,
        "Destroy()/remove-root.ms-avg": 0,
        "fresh-cgroup.cnt": 49,
        "fresh-cgroup.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:47:03 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:03 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:03 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:03 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:03 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:03 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:47:03 remove worker.pid",
        "2020/05/29 21:47:03 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "seconds": 10,
        "fork": true,
        "baseline": 0
      },
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "sock",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-dir/registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 10.195485591888428,
      "total_seconds": 10.433324337005615,
      "stats": {
        "sandboxes_per_sec": 42.6
      },
      "ol-stats": {
        "Create().cnt": 427,
        "Create().ms-avg": 11,
        "Create()/acquire-cgroup.cnt": 427,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 427,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 426,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 134,
        "Create()/make-root-fs.cnt": 427,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 853,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 427,
        "Destroy()/detach-root.ms-avg": 1,
        "Destroy()/kill-procs.cnt": 427,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 427,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 426,
        "childExit().ms-avg": 0,
        "fork().cnt": 426,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 426,
        "forkRequest.ms-avg": 6,
        "fresh-cgroup.cnt": 444,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 426,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:47:13 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:13 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:13 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:13 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:13 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:13 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:13 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:47:13 remove worker.pid",
        "2020/05/29 21:47:13 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 15,
        "seconds": 10,
        "fork": true,
        "baseline": 0
      },
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "sock",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-dir/registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 10.36935567855835,
      "total_seconds": 10.607001304626465,
      "stats": {
        "sandboxes_per_sec": 44.2
      },
      "ol-stats": {
        "Create().cnt": 443,
        "Create().ms-avg": 90,
        "Create()/acquire-cgroup.cnt": 443,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 443,
        "Create()/acquire-mem.ms-avg": 19,
        "Create()/fork-proc.cnt": 442,
        "Create()/fork-proc.ms-avg": 68,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 138,
        "Create()/make-root-fs.cnt": 443,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 885,
        "Destroy().ms-avg": 59,
        "Destroy()/detach-root.cnt": 443,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 443,
        "Destroy()/kill-procs.ms-avg": 18,
        "Destroy()/remove-root.cnt": 443,
        "Destroy()/remove-root.ms-avg": 0,
        "childExit().cnt": 442,
        "childExit().ms-avg": 67,
        "fork().cnt": 442,
        "fork().ms-avg": 68,
        "forkRequest.cnt": 442,
        "forkRequest.ms-avg": 11,
        "fresh-cgroup.cnt": 460,
        "fresh-cgroup.ms-avg": 3,
        "move-to-cg-after-fork.cnt": 442,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:47:24 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:24 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:24 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:24 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:24 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:24 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:24 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:47:24 remove worker.pid",
        "2020/05/29 21:47:24 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "seconds": 10,
        "fork": true,
        "baseline": 32
      },
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "sock",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-dir/registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 10.77893877029419,
      "total_seconds": 11.132779121398926,
      "stats": {
        "sandboxes_per_sec": 43.6
      },
      "ol-stats": {
        "Create().cnt": 469,
        "Create().ms-avg": 7,
        "Create()/acquire-cgroup.cnt": 469,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 469,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 468,
        "Create()/fork-proc.ms-avg": 6,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 139,
        "Create()/make-root-fs.cnt": 469,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 905,
        "Destroy().ms-avg": 1,
        "Destroy()/detach-root.cnt": 469,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 469,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 469,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 468,
        "childExit().ms-avg": 0,
        "fork().cnt": 468,
        "fork().ms-avg": 6,
        "forkRequest.cnt": 468,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 486,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 468,
        "move-to-cg-after-fork.ms-avg": 0
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:47:35 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:35 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:35 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:35 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:35 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:35 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:35 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:47:35 remove worker.pid",
        "2020/05/29 21:47:35 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 15,
        "seconds": 10,
        "fork": true,
        "baseline": 32
      },
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "sock",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-dir/registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 11.136391401290894,
      "total_seconds": 11.485589742660522,
      "stats": {
        "sandboxes_per_sec": 41.4
      },
      "ol-stats": {
        "Create().cnt": 447,
        "Create().ms-avg": 132,
        "Create()/acquire-cgroup.cnt": 447,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 447,
        "Create()/acquire-mem.ms-avg": 76,
        "Create()/fork-proc.cnt": 446,
        "Create()/fork-proc.ms-avg": 53,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 190,
        "Create()/make-root-fs.cnt": 447,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 861,
        "Destroy().ms-avg": 51,
        "Destroy()/detach-root.cnt": 447,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 447,
        "Destroy()/kill-procs.ms-avg": 14,
        "Destroy()/remove-root.cnt": 447,
        "Destroy()/remove-root.ms-avg": 0,
        "Pause().cnt": 32,
        "Pause().ms-avg": 0,
        "childExit().cnt": 446,
        "childExit().ms-avg": 58,
        "fork().cnt": 446,
        "fork().ms-avg": 53,
        "forkRequest.cnt": 446,
        "forkRequest.ms-avg": 10,
        "fresh-cgroup.cnt": 464,
        "fresh-cgroup.ms-avg": 3,
        "move-to-cg-after-fork.cnt": 446,
        "move-to-cg-after-fork.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:47:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:47:47 remove worker.pid",
        "2020/05/29 21:47:47 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 3000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/tmp/tmpxxw4c247",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 6.04345178604126,
      "total_seconds": 6.286868572235107,
      "stats": null,
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 44,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 143,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 2,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1601,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 1604,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 1601,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 1600,
        "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": 4,
        "web-request.cnt": 1601,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:47:53 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:53 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:53 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:53 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:53 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:53 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:47:53 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:47:53 remove worker.pid",
        "2020/05/29 21:47:53 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 1,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 15.045143127441406,
      "total_seconds": 15.276317358016968,
      "stats": {
        "reqs_per_sec": 282.06666666666666
      },
      "ol-stats": {
        "Channel().cnt": 3,
        "Channel().ms-avg": 0,
        "Create().cnt": 4,
        "Create().ms-avg": 43,
        "Create()/acquire-cgroup.cnt": 4,
        "Create()/acquire-cgroup.ms-avg": 0,
        "Create()/acquire-mem.cnt": 4,
        "Create()/acquire-mem.ms-avg": 0,
        "Create()/fork-proc.cnt": 3,
        "Create()/fork-proc.ms-avg": 7,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 135,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4231,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 4234,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4231,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 4230,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 0,
        "fork().cnt": 3,
        "fork().ms-avg": 7,
        "forkRequest.cnt": 3,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 21,
        "fresh-cgroup.ms-avg": 0,
        "move-to-cg-after-fork.cnt": 3,
        "move-to-cg-after-fork.ms-avg": 0,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 1,
        "web-request.cnt": 4231,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:48:08 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:08 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:08 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:08 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:08 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:08 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:08 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:48:08 remove worker.pid",
        "2020/05/29 21:48:08 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 2,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 15.044740676879883,
      "total_seconds": 15.277175426483154,
      "stats": {
        "reqs_per_sec": 289.2
      },
      "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": 141,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 3,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 2,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 4338,
        "LambdaFunc.Invoke.ms-avg": 1,
        "Pause().cnt": 3825,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 4338,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 3821,
        "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": 4338,
        "web-request.ms-avg": 1
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:48:23 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:23 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:23 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:23 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:23 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:23 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:48:23 remove worker.pid",
        "2020/05/29 21:48:23 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 8,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": false,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 15.069213151931763,
      "total_seconds": 15.3023681640625,
      "stats": {
        "reqs_per_sec": 261.8666666666667
      },
      "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": 10,
        "Create()/fresh-proc.cnt": 1,
        "Create()/fresh-proc.ms-avg": 138,
        "Create()/make-root-fs.cnt": 4,
        "Create()/make-root-fs.ms-avg": 3,
        "Destroy().cnt": 4,
        "Destroy().ms-avg": 7,
        "Destroy()/detach-root.cnt": 4,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 4,
        "Destroy()/kill-procs.ms-avg": 0,
        "Destroy()/remove-root.cnt": 4,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 3928,
        "LambdaFunc.Invoke.ms-avg": 2,
        "Pause().cnt": 2978,
        "Pause().ms-avg": 0,
        "ServeHTTP.cnt": 3928,
        "ServeHTTP.ms-avg": 0,
        "Unpause().cnt": 2974,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 3,
        "childExit().ms-avg": 7,
        "fork().cnt": 3,
        "fork().ms-avg": 10,
        "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": 1,
        "pull-lambda.cnt": 3,
        "pull-lambda.ms-avg": 4,
        "web-request.cnt": 3928,
        "web-request.ms-avg": 2
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:48:39 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:39 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:39 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:39 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:39 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:39 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:39 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:48:39 remove worker.pid",
        "2020/05/29 21:48:39 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 1,
        "lambda_count": 100
      },
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": true,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/tmp/tmp3v358ki6",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 2.9769036769866943,
      "total_seconds": 3.416969060897827,
      "stats": {
        "reqs_per_sec": 33.59223804838918
      },
      "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": 138,
        "Create()/make-root-fs.cnt": 101,
        "Create()/make-root-fs.ms-avg": 0,
        "Destroy().cnt": 158,
        "Destroy().ms-avg": 5,
        "Destroy()/detach-root.cnt": 101,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 101,
        "Destroy()/kill-procs.ms-avg": 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": 10,
        "ServeHTTP.cnt": 100,
        "ServeHTTP.ms-avg": 6,
        "Unpause().cnt": 99,
        "Unpause().ms-avg": 0,
        "childExit().cnt": 100,
        "childExit().ms-avg": 4,
        "evict.cnt": 57,
        "evict.ms-avg": 12,
        "fork().cnt": 100,
        "fork().ms-avg": 5,
        "forkRequest.cnt": 100,
        "forkRequest.ms-avg": 5,
        "fresh-cgroup.cnt": 67,
        "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": [
        "2020/05/29 21:48:42 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:42 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:42 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:42 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:42 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:42 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:48:42 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:48:42 remove worker.pid",
        "2020/05/29 21:48:42 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 10,
        "lambda_count": 1000
      },
      "pass": true,
      "conf": {
        "features": {
          "reuse_cgroups": true,
          "downsize_paused_mem": true,
          "import_cache": true
        },
        "sandbox_config": {},
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "server_mode": "lambda",
        "registry_cache_ms": 5000,
        "trace": {
          "memory": false,
          "cgroups": false,
          "package": false,
          "evictor": false
        },
        "pip_mirror": "",
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "docker_runtime": "",
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "sandbox": "sock",
        "mem_pool_mb": 500,
        "registry": "/tmp/tmp05u8hbnj",
        "worker_port": "5000",
        "limits": {
          "mem_mb": 50,
          "swappiness": 0,
          "procs": 10,
          "installer_mem_mb": 250
        },
        "storage": {
          "code": "",
          "scratch": "",
          "root": "private"
        },
        "import_cache_tree": ""
      },
      "seconds": 46.11579871177673,
      "total_seconds": 47.452035427093506,
      "stats": {
        "reqs_per_sec": 21.684556352588203
      },
      "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": 138,
        "Create()/make-root-fs.cnt": 1001,
        "Create()/make-root-fs.ms-avg": 1,
        "Destroy().cnt": 1981,
        "Destroy().ms-avg": 6,
        "Destroy()/detach-root.cnt": 1001,
        "Destroy()/detach-root.ms-avg": 0,
        "Destroy()/kill-procs.cnt": 1001,
        "Destroy()/kill-procs.ms-avg": 8,
        "Destroy()/remove-root.cnt": 1001,
        "Destroy()/remove-root.ms-avg": 0,
        "LambdaFunc.Invoke.cnt": 1000,
        "LambdaFunc.Invoke.ms-avg": 42,
        "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": 3,
        "evict.cnt": 980,
        "evict.ms-avg": 12,
        "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": 4,
        "web-request.cnt": 1000,
        "web-request.ms-avg": 42
      },
      "errors": [],
      "worker_tail": [
        "2020/05/29 21:49:30 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:49:30 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:49:30 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:49:30 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:49:30 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:49:30 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
        "2020/05/29 21:49:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2020/05/29 21:49:30 remove worker.pid",
        "2020/05/29 21:49:30 exiting",
        ""
      ]
    }
  ],
  "passed": 18,
  "failed": 0,
  "seconds": 341.9547698497772
}