{
  "runs": [
    {
      "test": "ping_test",
      "params": {},
      "pass": true,
      "conf": {
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 2.208200454711914,
      "total_seconds": 2.4494924545288086,
      "stats": {
        "pings_per_sec": 452.8618872434036
      },
      "ol-stats": {},
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:43:41 remove /sys/fs/cgroup/freezer/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:43:41 remove /sys/fs/cgroup/hugetlb/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:43:41 remove /sys/fs/cgroup/memory/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:43:41 remove /sys/fs/cgroup/perf_event/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:43:41 remove /sys/fs/cgroup/systemd/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:43:41 remove /sys/fs/cgroup/pids/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:43:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:43:41 remove worker.pid",
        "2019/07/12 21:43:41 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox_config": {},
        "handler_cache_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 0,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 10.91991376876831,
      "total_seconds": 11.156844854354858,
      "stats": null,
      "ol-stats": {
        "Channel():ms.avg": 0,
        "Channel():ms.cnt": 10,
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 10,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 10,
        "Create()/fresh-proc:ms.avg": 284,
        "Create()/fresh-proc:ms.cnt": 10,
        "Create()/make-root-fs:ms.avg": 1,
        "Create()/make-root-fs:ms.cnt": 10,
        "Create():ms.avg": 286,
        "Create():ms.cnt": 10,
        "Destroy()/detach-root:ms.avg": 0,
        "Destroy()/detach-root:ms.cnt": 10,
        "Destroy()/kill-procs:ms.avg": 1,
        "Destroy()/kill-procs:ms.cnt": 10,
        "Destroy()/recursive-kill:ms.avg": 0,
        "Destroy()/recursive-kill:ms.cnt": 10,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 10,
        "Destroy():ms.avg": 2,
        "Destroy():ms.cnt": 10,
        "Pause():ms.avg": 4,
        "Pause():ms.cnt": 4,
        "Status():ms.avg": 0,
        "Status():ms.cnt": 6,
        "pip-install:ms.avg": 1426,
        "pip-install:ms.cnt": 6
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:43:52 remove /sys/fs/cgroup/memory/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:43:52 remove /sys/fs/cgroup/perf_event/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:43:52 remove /sys/fs/cgroup/systemd/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:43:52 remove /sys/fs/cgroup/pids/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:43:52 0 of 500 MB available [MEM POOL handler-sandboxes]",
        "2019/07/12 21:43:52 WARNING!  Critically low on memory, so evicting an active Sandbox",
        "2019/07/12 21:43:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:43:52 remove worker.pid",
        "2019/07/12 21:43:52 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 6.888469219207764,
      "total_seconds": 7.119115352630615,
      "stats": null,
      "ol-stats": {
        "Channel():ms.avg": 0,
        "Channel():ms.cnt": 10,
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 11,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 11,
        "Create()/fork-proc:ms.avg": 5,
        "Create()/fork-proc:ms.cnt": 4,
        "Create()/fresh-proc:ms.avg": 140,
        "Create()/fresh-proc:ms.cnt": 7,
        "Create()/make-root-fs:ms.avg": 1,
        "Create()/make-root-fs:ms.cnt": 11,
        "Create():ms.avg": 93,
        "Create():ms.cnt": 11,
        "Destroy()/detach-root:ms.avg": 0,
        "Destroy()/detach-root:ms.cnt": 11,
        "Destroy()/kill-procs:ms.avg": 1,
        "Destroy()/kill-procs:ms.cnt": 11,
        "Destroy()/recursive-kill:ms.avg": 0,
        "Destroy()/recursive-kill:ms.cnt": 11,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 11,
        "Destroy():ms.avg": 1,
        "Destroy():ms.cnt": 18,
        "Pause():ms.avg": 3,
        "Pause():ms.cnt": 4,
        "Status():ms.avg": 0,
        "Status():ms.cnt": 6,
        "evict:ms.avg": 1,
        "evict:ms.cnt": 3,
        "fork():ms.avg": 5,
        "fork():ms.cnt": 4,
        "forkRequest:ms.avg": 4,
        "forkRequest:ms.cnt": 4,
        "move-to-cg-after-fork:ms.avg": 0,
        "move-to-cg-after-fork:ms.cnt": 4,
        "pip-install:ms.avg": 1068,
        "pip-install:ms.cnt": 6
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:44:00 remove /sys/fs/cgroup/freezer/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:00 remove /sys/fs/cgroup/hugetlb/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:00 remove /sys/fs/cgroup/memory/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:00 remove /sys/fs/cgroup/perf_event/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:00 remove /sys/fs/cgroup/systemd/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:00 remove /sys/fs/cgroup/pids/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:00 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:44:00 remove worker.pid",
        "2019/07/12 21:44:00 exiting",
        ""
      ]
    },
    {
      "test": "install_tests",
      "params": {},
      "pass": true,
      "conf": {
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox_config": {},
        "handler_cache_mb": 500,
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 0,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "sandbox": "docker",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 22.503865480422974,
      "total_seconds": 24.03473424911499,
      "stats": null,
      "ol-stats": {
        "Channel():ms.avg": 0,
        "Channel():ms.cnt": 10,
        "Create():ms.avg": 1163,
        "Create():ms.cnt": 10,
        "Destroy():ms.avg": 306,
        "Destroy():ms.cnt": 10,
        "Pause():ms.avg": 28,
        "Pause():ms.cnt": 4,
        "Status():ms.avg": 0,
        "Status():ms.cnt": 6,
        "pip-install:ms.avg": 2639,
        "pip-install:ms.cnt": 6
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:44:22 Kill function: install",
        "2019/07/12 21:44:22 Destroy() [SB 6]",
        "2019/07/12 21:44:23 Kill function: install2",
        "2019/07/12 21:44:23 Destroy() [SB 7]",
        "2019/07/12 21:44:23 Kill function: install3",
        "2019/07/12 21:44:23 Destroy() [SB 9]",
        "2019/07/12 21:44:24 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:44:24 remove worker.pid",
        "2019/07/12 21:44:24 exiting",
        ""
      ]
    },
    {
      "test": "fork_bomb",
      "params": {},
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 0.17384123802185059,
      "total_seconds": 0.4067416191101074,
      "stats": null,
      "ol-stats": {
        "Channel():ms.avg": 0,
        "Channel():ms.cnt": 1,
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 2,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 2,
        "Create()/fork-proc:ms.avg": 7,
        "Create()/fork-proc:ms.cnt": 1,
        "Create()/fresh-proc:ms.avg": 138,
        "Create()/fresh-proc:ms.cnt": 1,
        "Create()/make-root-fs:ms.avg": 2,
        "Create()/make-root-fs:ms.cnt": 2,
        "Create():ms.avg": 75,
        "Create():ms.cnt": 2,
        "Destroy()/detach-root:ms.avg": 1,
        "Destroy()/detach-root:ms.cnt": 2,
        "Destroy()/kill-procs:ms.avg": 0,
        "Destroy()/kill-procs:ms.cnt": 2,
        "Destroy()/recursive-kill:ms.avg": 1,
        "Destroy()/recursive-kill:ms.cnt": 2,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 2,
        "Destroy():ms.avg": 2,
        "Destroy():ms.cnt": 3,
        "Pause():ms.avg": 4,
        "Pause():ms.cnt": 1,
        "fork():ms.avg": 7,
        "fork():ms.cnt": 1,
        "forkRequest:ms.avg": 4,
        "forkRequest:ms.cnt": 1,
        "move-to-cg-after-fork:ms.avg": 3,
        "move-to-cg-after-fork:ms.cnt": 1
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:44:24 remove /sys/fs/cgroup/freezer/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:24 remove /sys/fs/cgroup/hugetlb/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:24 remove /sys/fs/cgroup/memory/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:24 remove /sys/fs/cgroup/perf_event/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:24 remove /sys/fs/cgroup/systemd/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:24 remove /sys/fs/cgroup/pids/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:24 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:44:24 remove worker.pid",
        "2019/07/12 21:44:24 exiting",
        ""
      ]
    },
    {
      "test": "max_mem_alloc",
      "params": {},
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 0.8399026393890381,
      "total_seconds": 1.0751070976257324,
      "stats": null,
      "ol-stats": {
        "Channel():ms.avg": 0,
        "Channel():ms.cnt": 1,
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 2,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 2,
        "Create()/fork-proc:ms.avg": 7,
        "Create()/fork-proc:ms.cnt": 1,
        "Create()/fresh-proc:ms.avg": 138,
        "Create()/fresh-proc:ms.cnt": 1,
        "Create()/make-root-fs:ms.avg": 3,
        "Create()/make-root-fs:ms.cnt": 2,
        "Create():ms.avg": 77,
        "Create():ms.cnt": 2,
        "Destroy()/detach-root:ms.avg": 1,
        "Destroy()/detach-root:ms.cnt": 2,
        "Destroy()/kill-procs:ms.avg": 0,
        "Destroy()/kill-procs:ms.cnt": 2,
        "Destroy()/recursive-kill:ms.avg": 1,
        "Destroy()/recursive-kill:ms.cnt": 2,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 2,
        "Destroy():ms.avg": 2,
        "Destroy():ms.cnt": 3,
        "Pause():ms.avg": 2,
        "Pause():ms.cnt": 1,
        "fork():ms.avg": 7,
        "fork():ms.cnt": 1,
        "forkRequest:ms.avg": 6,
        "forkRequest:ms.cnt": 1,
        "move-to-cg-after-fork:ms.avg": 1,
        "move-to-cg-after-fork:ms.cnt": 1
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:44:25 remove /sys/fs/cgroup/freezer/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:25 remove /sys/fs/cgroup/hugetlb/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:25 remove /sys/fs/cgroup/memory/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:25 remove /sys/fs/cgroup/perf_event/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:25 remove /sys/fs/cgroup/systemd/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:25 remove /sys/fs/cgroup/pids/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:44:25 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:44:25 remove worker.pid",
        "2019/07/12 21:44:25 exiting",
        ""
      ]
    },
    {
      "test": "numpy_test",
      "params": {},
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 50.10235595703125,
      "total_seconds": 50.33874225616455,
      "stats": null,
      "ol-stats": {
        "Channel():ms.avg": 0,
        "Channel():ms.cnt": 12,
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 13,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 13,
        "Create()/fork-proc:ms.avg": 6,
        "Create()/fork-proc:ms.cnt": 5,
        "Create()/fresh-proc:ms.avg": 147,
        "Create()/fresh-proc:ms.cnt": 8,
        "Create()/make-root-fs:ms.avg": 80,
        "Create()/make-root-fs:ms.cnt": 13,
        "Create():ms.avg": 174,
        "Create():ms.cnt": 13,
        "Destroy()/detach-root:ms.avg": 0,
        "Destroy()/detach-root:ms.cnt": 13,
        "Destroy()/kill-procs:ms.avg": 1,
        "Destroy()/kill-procs:ms.cnt": 13,
        "Destroy()/recursive-kill:ms.avg": 0,
        "Destroy()/recursive-kill:ms.cnt": 13,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 13,
        "Destroy():ms.avg": 1,
        "Destroy():ms.cnt": 22,
        "Pause():ms.avg": 3,
        "Pause():ms.cnt": 5,
        "Status():ms.avg": 0,
        "Status():ms.cnt": 7,
        "evict:ms.avg": 2,
        "evict:ms.cnt": 4,
        "fork():ms.avg": 6,
        "fork():ms.cnt": 5,
        "forkRequest:ms.avg": 5,
        "forkRequest:ms.cnt": 5,
        "move-to-cg-after-fork:ms.avg": 0,
        "move-to-cg-after-fork:ms.cnt": 5,
        "pip-install:ms.avg": 6558,
        "pip-install:ms.cnt": 7
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:45:15 remove /sys/fs/cgroup/freezer/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:45:15 remove /sys/fs/cgroup/hugetlb/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:45:15 remove /sys/fs/cgroup/memory/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:45:15 remove /sys/fs/cgroup/perf_event/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:45:15 remove /sys/fs/cgroup/systemd/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:45:15 remove /sys/fs/cgroup/pids/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:45:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:45:15 remove worker.pid",
        "2019/07/12 21:45:15 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "seconds": 5,
        "baseline": 0,
        "fork": false
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-dir/registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "sock",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 5.08785343170166,
      "total_seconds": 5.309149503707886,
      "stats": {
        "sandboxes_per_sec": 6.4
      },
      "ol-stats": {
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 32,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 32,
        "Create()/fresh-proc:ms.avg": 138,
        "Create()/fresh-proc:ms.cnt": 32,
        "Create()/make-root-fs:ms.avg": 3,
        "Create()/make-root-fs:ms.cnt": 32,
        "Create():ms.avg": 142,
        "Create():ms.cnt": 32,
        "Destroy()/detach-root:ms.avg": 1,
        "Destroy()/detach-root:ms.cnt": 32,
        "Destroy()/kill-procs:ms.avg": 1,
        "Destroy()/kill-procs:ms.cnt": 32,
        "Destroy()/recursive-kill:ms.avg": 0,
        "Destroy()/recursive-kill:ms.cnt": 32,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 32,
        "Destroy():ms.avg": 1,
        "Destroy():ms.cnt": 64
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:45:21 remove /sys/fs/cgroup/freezer/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:21 remove /sys/fs/cgroup/hugetlb/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:21 remove /sys/fs/cgroup/memory/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:21 remove /sys/fs/cgroup/perf_event/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:21 remove /sys/fs/cgroup/systemd/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:21 remove /sys/fs/cgroup/pids/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:45:21 remove worker.pid",
        "2019/07/12 21:45:21 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 1,
        "seconds": 15,
        "baseline": 0,
        "fork": true
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-dir/registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "sock",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 15.158902883529663,
      "total_seconds": 15.379433393478394,
      "stats": {
        "sandboxes_per_sec": 47.733333333333334
      },
      "ol-stats": {
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 717,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 717,
        "Create()/fork-proc:ms.avg": 6,
        "Create()/fork-proc:ms.cnt": 716,
        "Create()/fresh-proc:ms.avg": 134,
        "Create()/fresh-proc:ms.cnt": 1,
        "Create()/make-root-fs:ms.avg": 2,
        "Create()/make-root-fs:ms.cnt": 717,
        "Create():ms.avg": 9,
        "Create():ms.cnt": 717,
        "Destroy()/detach-root:ms.avg": 1,
        "Destroy()/detach-root:ms.cnt": 717,
        "Destroy()/kill-procs:ms.avg": 1,
        "Destroy()/kill-procs:ms.cnt": 717,
        "Destroy()/recursive-kill:ms.avg": 0,
        "Destroy()/recursive-kill:ms.cnt": 717,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 717,
        "Destroy():ms.avg": 0,
        "Destroy():ms.cnt": 2149,
        "fork():ms.avg": 6,
        "fork():ms.cnt": 716,
        "forkRequest:ms.avg": 5,
        "forkRequest:ms.cnt": 716,
        "move-to-cg-after-fork:ms.avg": 0,
        "move-to-cg-after-fork:ms.cnt": 716
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:45:36 remove /sys/fs/cgroup/freezer/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:36 remove /sys/fs/cgroup/hugetlb/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:36 remove /sys/fs/cgroup/memory/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:36 remove /sys/fs/cgroup/perf_event/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:36 remove /sys/fs/cgroup/systemd/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:36 remove /sys/fs/cgroup/pids/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:36 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:45:36 remove worker.pid",
        "2019/07/12 21:45:36 exiting",
        ""
      ]
    },
    {
      "test": "sock_churn",
      "params": {
        "procs": 15,
        "seconds": 15,
        "baseline": 0,
        "fork": true
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-dir/registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "sock",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 15.531223773956299,
      "total_seconds": 15.752856731414795,
      "stats": {
        "sandboxes_per_sec": 46.733333333333334
      },
      "ol-stats": {
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 702,
        "Create()/acquire-mem:ms.avg": 73,
        "Create()/acquire-mem:ms.cnt": 702,
        "Create()/fork-proc:ms.avg": 34,
        "Create()/fork-proc:ms.cnt": 701,
        "Create()/fresh-proc:ms.avg": 135,
        "Create()/fresh-proc:ms.cnt": 1,
        "Create()/make-root-fs:ms.avg": 1,
        "Create()/make-root-fs:ms.cnt": 702,
        "Create():ms.avg": 111,
        "Create():ms.cnt": 702,
        "Destroy()/detach-root:ms.avg": 2,
        "Destroy()/detach-root:ms.cnt": 702,
        "Destroy()/kill-procs:ms.avg": 6,
        "Destroy()/kill-procs:ms.cnt": 702,
        "Destroy()/recursive-kill:ms.avg": 0,
        "Destroy()/recursive-kill:ms.cnt": 702,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 702,
        "Destroy():ms.avg": 9,
        "Destroy():ms.cnt": 2104,
        "fork():ms.avg": 34,
        "fork():ms.cnt": 701,
        "forkRequest:ms.avg": 8,
        "forkRequest:ms.cnt": 701,
        "move-to-cg-after-fork:ms.avg": 3,
        "move-to-cg-after-fork:ms.cnt": 701
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:45:52 remove /sys/fs/cgroup/freezer/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:52 remove /sys/fs/cgroup/hugetlb/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:52 remove /sys/fs/cgroup/memory/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:52 remove /sys/fs/cgroup/perf_event/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:52 remove /sys/fs/cgroup/systemd/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:52 remove /sys/fs/cgroup/pids/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:45:52 remove worker.pid",
        "2019/07/12 21:45:52 exiting",
        ""
      ]
    },
    {
      "test": "recursive_kill",
      "params": {
        "depth": 2
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-dir/registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "sock",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 0.1769576072692871,
      "total_seconds": 0.5012586116790771,
      "stats": null,
      "ol-stats": {
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 2,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 2,
        "Create()/fork-proc:ms.avg": 4,
        "Create()/fork-proc:ms.cnt": 1,
        "Create()/fresh-proc:ms.avg": 135,
        "Create()/fresh-proc:ms.cnt": 1,
        "Create()/make-root-fs:ms.avg": 4,
        "Create()/make-root-fs:ms.cnt": 2,
        "Create():ms.avg": 74,
        "Create():ms.cnt": 2,
        "Destroy()/detach-root:ms.avg": 1,
        "Destroy()/detach-root:ms.cnt": 2,
        "Destroy()/kill-procs:ms.avg": 0,
        "Destroy()/kill-procs:ms.cnt": 2,
        "Destroy()/recursive-kill:ms.avg": 1,
        "Destroy()/recursive-kill:ms.cnt": 2,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 2,
        "Destroy():ms.avg": 1,
        "Destroy():ms.cnt": 4,
        "Pause():ms.avg": 1,
        "Pause():ms.cnt": 1,
        "fork():ms.avg": 4,
        "fork():ms.cnt": 1,
        "forkRequest:ms.avg": 4,
        "forkRequest:ms.cnt": 1,
        "move-to-cg-after-fork:ms.avg": 0,
        "move-to-cg-after-fork:ms.cnt": 1
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:45:52 remove /sys/fs/cgroup/freezer/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:52 remove /sys/fs/cgroup/hugetlb/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:52 remove /sys/fs/cgroup/memory/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:52 remove /sys/fs/cgroup/perf_event/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:52 remove /sys/fs/cgroup/systemd/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:52 remove /sys/fs/cgroup/pids/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:45:52 remove worker.pid",
        "2019/07/12 21:45:52 exiting",
        ""
      ]
    },
    {
      "test": "recursive_kill",
      "params": {
        "depth": 10
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-dir/registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "sock",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 0.3197915554046631,
      "total_seconds": 0.549020528793335,
      "stats": null,
      "ol-stats": {
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 10,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 10,
        "Create()/fork-proc:ms.avg": 4,
        "Create()/fork-proc:ms.cnt": 9,
        "Create()/fresh-proc:ms.avg": 133,
        "Create()/fresh-proc:ms.cnt": 1,
        "Create()/make-root-fs:ms.avg": 2,
        "Create()/make-root-fs:ms.cnt": 10,
        "Create():ms.avg": 20,
        "Create():ms.cnt": 10,
        "Destroy()/detach-root:ms.avg": 0,
        "Destroy()/detach-root:ms.cnt": 10,
        "Destroy()/kill-procs:ms.avg": 1,
        "Destroy()/kill-procs:ms.cnt": 10,
        "Destroy()/recursive-kill:ms.avg": 7,
        "Destroy()/recursive-kill:ms.cnt": 10,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 10,
        "Destroy():ms.avg": 4,
        "Destroy():ms.cnt": 20,
        "Pause():ms.avg": 0,
        "Pause():ms.cnt": 9,
        "fork():ms.avg": 4,
        "fork():ms.cnt": 9,
        "forkRequest:ms.avg": 3,
        "forkRequest:ms.cnt": 9,
        "move-to-cg-after-fork:ms.avg": 0,
        "move-to-cg-after-fork:ms.cnt": 9
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:45:53 remove /sys/fs/cgroup/freezer/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:53 remove /sys/fs/cgroup/hugetlb/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:53 remove /sys/fs/cgroup/memory/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:53 remove /sys/fs/cgroup/perf_event/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:53 remove /sys/fs/cgroup/systemd/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:53 remove /sys/fs/cgroup/pids/worker-sock-handlers [CGROUP POOL worker-sock-handlers]",
        "2019/07/12 21:45:53 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:45:53 remove worker.pid",
        "2019/07/12 21:45:53 exiting",
        ""
      ]
    },
    {
      "test": "update_code",
      "params": {},
      "pass": true,
      "conf": {
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/tmp/tmpqqt0qhqr",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 3000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 6.031144857406616,
      "total_seconds": 6.263522386550903,
      "stats": null,
      "ol-stats": {
        "Channel():ms.avg": 0,
        "Channel():ms.cnt": 3,
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 4,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 4,
        "Create()/fork-proc:ms.avg": 7,
        "Create()/fork-proc:ms.cnt": 3,
        "Create()/fresh-proc:ms.avg": 134,
        "Create()/fresh-proc:ms.cnt": 1,
        "Create()/make-root-fs:ms.avg": 3,
        "Create()/make-root-fs:ms.cnt": 4,
        "Create():ms.avg": 43,
        "Create():ms.cnt": 4,
        "Destroy()/detach-root:ms.avg": 0,
        "Destroy()/detach-root:ms.cnt": 4,
        "Destroy()/kill-procs:ms.avg": 0,
        "Destroy()/kill-procs:ms.cnt": 4,
        "Destroy()/recursive-kill:ms.avg": 0,
        "Destroy()/recursive-kill:ms.cnt": 4,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 4,
        "Destroy():ms.avg": 1,
        "Destroy():ms.cnt": 7,
        "Pause():ms.avg": 0,
        "Pause():ms.cnt": 1676,
        "Unpause():ms.avg": 0,
        "Unpause():ms.cnt": 1673,
        "fork():ms.avg": 7,
        "fork():ms.cnt": 3,
        "forkRequest:ms.avg": 6,
        "forkRequest:ms.cnt": 3,
        "move-to-cg-after-fork:ms.avg": 0,
        "move-to-cg-after-fork:ms.cnt": 3
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:45:59 remove /sys/fs/cgroup/freezer/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:45:59 remove /sys/fs/cgroup/hugetlb/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:45:59 remove /sys/fs/cgroup/memory/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:45:59 remove /sys/fs/cgroup/perf_event/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:45:59 remove /sys/fs/cgroup/systemd/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:45:59 remove /sys/fs/cgroup/pids/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:45:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:45:59 remove worker.pid",
        "2019/07/12 21:45:59 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 1,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 15.044577836990356,
      "total_seconds": 15.27319884300232,
      "stats": {
        "reqs_per_sec": 284.8
      },
      "ol-stats": {
        "Channel():ms.avg": 0,
        "Channel():ms.cnt": 3,
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 4,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 4,
        "Create()/fork-proc:ms.avg": 9,
        "Create()/fork-proc:ms.cnt": 3,
        "Create()/fresh-proc:ms.avg": 136,
        "Create()/fresh-proc:ms.cnt": 1,
        "Create()/make-root-fs:ms.avg": 3,
        "Create()/make-root-fs:ms.cnt": 4,
        "Create():ms.avg": 45,
        "Create():ms.cnt": 4,
        "Destroy()/detach-root:ms.avg": 0,
        "Destroy()/detach-root:ms.cnt": 4,
        "Destroy()/kill-procs:ms.avg": 0,
        "Destroy()/kill-procs:ms.cnt": 4,
        "Destroy()/recursive-kill:ms.avg": 0,
        "Destroy()/recursive-kill:ms.cnt": 4,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 4,
        "Destroy():ms.avg": 1,
        "Destroy():ms.cnt": 7,
        "Pause():ms.avg": 0,
        "Pause():ms.cnt": 4272,
        "Unpause():ms.avg": 0,
        "Unpause():ms.cnt": 4269,
        "fork():ms.avg": 9,
        "fork():ms.cnt": 3,
        "forkRequest:ms.avg": 8,
        "forkRequest:ms.cnt": 3,
        "move-to-cg-after-fork:ms.avg": 0,
        "move-to-cg-after-fork:ms.cnt": 3
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:46:14 remove /sys/fs/cgroup/freezer/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:14 remove /sys/fs/cgroup/hugetlb/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:14 remove /sys/fs/cgroup/memory/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:14 remove /sys/fs/cgroup/perf_event/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:14 remove /sys/fs/cgroup/systemd/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:14 remove /sys/fs/cgroup/pids/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:46:14 remove worker.pid",
        "2019/07/12 21:46:14 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 2,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 15.047424793243408,
      "total_seconds": 15.277719974517822,
      "stats": {
        "reqs_per_sec": 279.3333333333333
      },
      "ol-stats": {
        "Channel():ms.avg": 0,
        "Channel():ms.cnt": 3,
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 4,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 4,
        "Create()/fork-proc:ms.avg": 7,
        "Create()/fork-proc:ms.cnt": 3,
        "Create()/fresh-proc:ms.avg": 138,
        "Create()/fresh-proc:ms.cnt": 1,
        "Create()/make-root-fs:ms.avg": 3,
        "Create()/make-root-fs:ms.cnt": 4,
        "Create():ms.avg": 44,
        "Create():ms.cnt": 4,
        "Destroy()/detach-root:ms.avg": 0,
        "Destroy()/detach-root:ms.cnt": 4,
        "Destroy()/kill-procs:ms.avg": 0,
        "Destroy()/kill-procs:ms.cnt": 4,
        "Destroy()/recursive-kill:ms.avg": 0,
        "Destroy()/recursive-kill:ms.cnt": 4,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 4,
        "Destroy():ms.avg": 1,
        "Destroy():ms.cnt": 7,
        "Pause():ms.avg": 0,
        "Pause():ms.cnt": 3819,
        "Unpause():ms.avg": 0,
        "Unpause():ms.cnt": 3816,
        "fork():ms.avg": 7,
        "fork():ms.cnt": 3,
        "forkRequest:ms.avg": 6,
        "forkRequest:ms.cnt": 3,
        "move-to-cg-after-fork:ms.avg": 0,
        "move-to-cg-after-fork:ms.cnt": 3
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:46:30 remove /sys/fs/cgroup/freezer/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:30 remove /sys/fs/cgroup/hugetlb/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:30 remove /sys/fs/cgroup/memory/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:30 remove /sys/fs/cgroup/perf_event/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:30 remove /sys/fs/cgroup/systemd/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:30 remove /sys/fs/cgroup/pids/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:46:30 remove worker.pid",
        "2019/07/12 21:46:30 exiting",
        ""
      ]
    },
    {
      "test": "stress_one_lambda",
      "params": {
        "procs": 8,
        "seconds": 15
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/root/open-lambda/test-registry",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 15.065059661865234,
      "total_seconds": 15.295099258422852,
      "stats": {
        "reqs_per_sec": 264.46666666666664
      },
      "ol-stats": {
        "Channel():ms.avg": 0,
        "Channel():ms.cnt": 3,
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 4,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 4,
        "Create()/fork-proc:ms.avg": 8,
        "Create()/fork-proc:ms.cnt": 3,
        "Create()/fresh-proc:ms.avg": 138,
        "Create()/fresh-proc:ms.cnt": 1,
        "Create()/make-root-fs:ms.avg": 3,
        "Create()/make-root-fs:ms.cnt": 4,
        "Create():ms.avg": 44,
        "Create():ms.cnt": 4,
        "Destroy()/detach-root:ms.avg": 0,
        "Destroy()/detach-root:ms.cnt": 4,
        "Destroy()/kill-procs:ms.avg": 0,
        "Destroy()/kill-procs:ms.cnt": 4,
        "Destroy()/recursive-kill:ms.avg": 0,
        "Destroy()/recursive-kill:ms.cnt": 4,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 4,
        "Destroy():ms.avg": 1,
        "Destroy():ms.cnt": 7,
        "Pause():ms.avg": 0,
        "Pause():ms.cnt": 2899,
        "Unpause():ms.avg": 0,
        "Unpause():ms.cnt": 2896,
        "fork():ms.avg": 8,
        "fork():ms.cnt": 3,
        "forkRequest:ms.avg": 7,
        "forkRequest:ms.cnt": 3,
        "move-to-cg-after-fork:ms.avg": 0,
        "move-to-cg-after-fork:ms.cnt": 3
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:46:45 remove /sys/fs/cgroup/freezer/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:45 remove /sys/fs/cgroup/hugetlb/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:45 remove /sys/fs/cgroup/memory/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:45 remove /sys/fs/cgroup/perf_event/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:45 remove /sys/fs/cgroup/systemd/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:45 remove /sys/fs/cgroup/pids/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:46:45 remove worker.pid",
        "2019/07/12 21:46:45 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 1,
        "lambda_count": 100
      },
      "pass": true,
      "conf": {
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/tmp/tmp0xgzizsk",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "docker_runtime": "",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 2.4983134269714355,
      "total_seconds": 2.837113618850708,
      "stats": {
        "reqs_per_sec": 40.02829453650518
      },
      "ol-stats": {
        "Channel():ms.avg": 0,
        "Channel():ms.cnt": 100,
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 101,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 101,
        "Create()/fork-proc:ms.avg": 7,
        "Create()/fork-proc:ms.cnt": 100,
        "Create()/fresh-proc:ms.avg": 133,
        "Create()/fresh-proc:ms.cnt": 1,
        "Create()/make-root-fs:ms.avg": 0,
        "Create()/make-root-fs:ms.cnt": 101,
        "Create():ms.avg": 9,
        "Create():ms.cnt": 101,
        "Destroy()/detach-root:ms.avg": 0,
        "Destroy()/detach-root:ms.cnt": 101,
        "Destroy()/kill-procs:ms.avg": 1,
        "Destroy()/kill-procs:ms.cnt": 101,
        "Destroy()/recursive-kill:ms.avg": 0,
        "Destroy()/recursive-kill:ms.cnt": 101,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 101,
        "Destroy():ms.avg": 0,
        "Destroy():ms.cnt": 275,
        "Pause():ms.avg": 5,
        "Pause():ms.cnt": 100,
        "evict:ms.avg": 0,
        "evict:ms.cnt": 74,
        "fork():ms.avg": 7,
        "fork():ms.cnt": 100,
        "forkRequest:ms.avg": 6,
        "forkRequest:ms.cnt": 100,
        "move-to-cg-after-fork:ms.avg": 0,
        "move-to-cg-after-fork:ms.cnt": 100
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:46:48 remove /sys/fs/cgroup/freezer/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:48 remove /sys/fs/cgroup/hugetlb/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:48 remove /sys/fs/cgroup/memory/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:48 remove /sys/fs/cgroup/perf_event/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:48 remove /sys/fs/cgroup/systemd/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:48 remove /sys/fs/cgroup/pids/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:46:48 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:46:48 remove worker.pid",
        "2019/07/12 21:46:48 exiting",
        ""
      ]
    },
    {
      "test": "call_each_once_exec",
      "params": {
        "alloc_mb": 10,
        "lambda_count": 1000
      },
      "pass": true,
      "conf": {
        "docker_runtime": "",
        "sandbox_config": {},
        "handler_cache_mb": 250,
        "registry": "/tmp/tmp70f_hm8j",
        "import_cache_tree": "",
        "pip_mirror": "",
        "worker_port": "5000",
        "server_mode": "lambda",
        "import_cache_mb": 250,
        "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
        "registry_cache_ms": 5000,
        "worker_dir": "/root/open-lambda/test-dir/worker",
        "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
        "sandbox": "sock",
        "limits": {
          "procs": 10,
          "mem_mb": 50,
          "installer_mem_mb": 200
        }
      },
      "seconds": 37.469637870788574,
      "total_seconds": 37.70169258117676,
      "stats": {
        "reqs_per_sec": 26.68829402896202
      },
      "ol-stats": {
        "Channel():ms.avg": 0,
        "Channel():ms.cnt": 1000,
        "Create()/acquire-cgroup:ms.avg": 0,
        "Create()/acquire-cgroup:ms.cnt": 1001,
        "Create()/acquire-mem:ms.avg": 0,
        "Create()/acquire-mem:ms.cnt": 1001,
        "Create()/fork-proc:ms.avg": 7,
        "Create()/fork-proc:ms.cnt": 1000,
        "Create()/fresh-proc:ms.avg": 139,
        "Create()/fresh-proc:ms.cnt": 1,
        "Create()/make-root-fs:ms.avg": 1,
        "Create()/make-root-fs:ms.cnt": 1001,
        "Create():ms.avg": 10,
        "Create():ms.cnt": 1001,
        "Destroy()/detach-root:ms.avg": 0,
        "Destroy()/detach-root:ms.cnt": 1001,
        "Destroy()/kill-procs:ms.avg": 2,
        "Destroy()/kill-procs:ms.cnt": 1001,
        "Destroy()/recursive-kill:ms.avg": 0,
        "Destroy()/recursive-kill:ms.cnt": 1001,
        "Destroy()/remove-root:ms.avg": 0,
        "Destroy()/remove-root:ms.cnt": 1001,
        "Destroy():ms.avg": 0,
        "Destroy():ms.cnt": 2993,
        "Pause():ms.avg": 12,
        "Pause():ms.cnt": 1000,
        "evict:ms.avg": 2,
        "evict:ms.cnt": 992,
        "fork():ms.avg": 7,
        "fork():ms.cnt": 1000,
        "forkRequest:ms.avg": 6,
        "forkRequest:ms.cnt": 1000,
        "move-to-cg-after-fork:ms.avg": 1,
        "move-to-cg-after-fork:ms.cnt": 1000
      },
      "errors": [],
      "worker_tail": [
        "2019/07/12 21:47:26 remove /sys/fs/cgroup/freezer/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:47:26 remove /sys/fs/cgroup/hugetlb/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:47:26 remove /sys/fs/cgroup/memory/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:47:26 remove /sys/fs/cgroup/perf_event/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:47:26 remove /sys/fs/cgroup/systemd/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:47:26 remove /sys/fs/cgroup/pids/worker-handler-sandboxes [CGROUP POOL worker-handler-sandboxes]",
        "2019/07/12 21:47:26 save stats to /root/open-lambda/test-dir/worker/stats.json",
        "2019/07/12 21:47:26 remove worker.pid",
        "2019/07/12 21:47:26 exiting",
        ""
      ]
    }
  ],
  "passed": 18,
  "failed": 0,
  "seconds": 301.75601267814636
}