python3 -u test.py
RUN ./ol new -p=test-dir
PUSH conf: {'limits': {'installer_mem_mb': 250}}
PUSH conf: {'registry': '/root/open-lambda/test-registry'}
========================================
ping_test
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "ping_test",
  "params": {},
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry": "/root/open-lambda/test-registry",
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "worker_port": "5000",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 2.2694525718688965,
  "total_seconds": 2.561231851577759,
  "stats": {
    "pings_per_sec": 440.6388316710421
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:44:03 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:03 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:03 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:03 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:03 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:03 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:44:03 remove worker.pid",
    "2020/04/03 21:44:03 exiting",
    ""
  ]
}
PUSH conf: {'features': {'import_cache': False}}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "worker_port": "5000",
    "features": {
      "import_cache": false,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 11.635929346084595,
  "total_seconds": 11.871214866638184,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 334,
    "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": 328,
    "Create()/make-root-fs.cnt": 10,
    "Create()/make-root-fs.ms-avg": 5,
    "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": 2897,
    "Pause().cnt": 4,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 233,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 8,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1362,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2897
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:44:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:44:15 remove worker.pid",
    "2020/04/03 21:44:15 exiting",
    ""
  ]
}
POP conf: {'features': {'import_cache': False}}
PUSH conf: {'mem_pool_mb': 500}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 6.014358282089233,
  "total_seconds": 6.2524025440216064,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 91,
    "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": 136,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 11,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 11,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 11,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 11,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 1493,
    "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": 932,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1493
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:44:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:44:22 remove worker.pid",
    "2020/04/03 21:44:22 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
PUSH conf: {'sandbox': 'docker', 'features': {'import_cache': False}}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "sandbox": "docker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry": "/root/open-lambda/test-registry",
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "worker_port": "5000",
    "features": {
      "import_cache": false,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 20.77107310295105,
  "total_seconds": 21.79738211631775,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 933,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 228,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 5181,
    "Pause().cnt": 4,
    "Pause().ms-avg": 29,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2405,
    "web-request.cnt": 4,
    "web-request.ms-avg": 5181
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:44:43 Kill function: install2",
    "2020/04/03 21:44:43 Destroy() [SB 7]",
    "2020/04/03 21:44:43 Kill function: install3",
    "2020/04/03 21:44:43 Destroy() [SB 9]",
    "2020/04/03 21:44:43 Kill function: echo",
    "2020/04/03 21:44:43 Destroy() [SB 0]",
    "2020/04/03 21:44:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:44:43 remove worker.pid",
    "2020/04/03 21:44:43 exiting",
    ""
  ]
}
POP conf: {'sandbox': 'docker', 'features': {'import_cache': False}}
========================================
fork_bomb
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "fork_bomb",
  "params": {},
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 0.17635250091552734,
  "total_seconds": 0.4084925651550293,
  "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": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "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": 172,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 13,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 172
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:44:44 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:44 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:44 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:44 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:44 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:44 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:44:44 remove worker.pid",
    "2020/04/03 21:44:44 exiting",
    ""
  ]
}
========================================
max_mem_alloc
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "max_mem_alloc",
  "params": {},
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 0.8323369026184082,
  "total_seconds": 1.0650098323822021,
  "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": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "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": 828,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 650,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "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": 2,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 21,
    "web-request.cnt": 1,
    "web-request.ms-avg": 828
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:44:45 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:45 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:45 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:45 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:45 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:45 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:44:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:44:45 remove worker.pid",
    "2020/04/03 21:44:45 exiting",
    ""
  ]
}
PUSH conf: {'mem_pool_mb': 500}
========================================
numpy_test
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "numpy_test",
  "params": {},
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "import_cache_tree": "",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 47.4467556476593,
  "total_seconds": 47.83535552024841,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 102,
    "Create()/acquire-cgroup.cnt": 13,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 13,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 5,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 8,
    "Create()/fresh-proc.ms-avg": 146,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 9,
    "Destroy().cnt": 13,
    "Destroy().ms-avg": 3,
    "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": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 9485,
    "Pause().cnt": 10,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 327,
    "Unpause().cnt": 4,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 5,
    "childExit().ms-avg": 0,
    "fork().cnt": 5,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 5,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 30,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 5,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 5,
    "pull-lambda.ms-avg": 4,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 6486,
    "web-request.cnt": 5,
    "web-request.ms-avg": 9485
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:45:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:45:33 remove worker.pid",
    "2020/04/03 21:45:33 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
========================================
sock_churn {'baseline': 0, 'seconds': 5, 'procs': 1, 'fork': False}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "seconds": 5,
    "procs": 1,
    "fork": false
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry": "/root/open-lambda/test-dir/registry",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "sock",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "import_cache_tree": "",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 5.04654335975647,
  "total_seconds": 5.17137885093689,
  "stats": {
    "sandboxes_per_sec": 6.0
  },
  "ol-stats": {
    "Create().cnt": 30,
    "Create().ms-avg": 150,
    "Create()/acquire-cgroup.cnt": 30,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 30,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 30,
    "Create()/fresh-proc.ms-avg": 145,
    "Create()/make-root-fs.cnt": 30,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 60,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 30,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 30,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 30,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 47,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:45:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:45:38 remove worker.pid",
    "2020/04/03 21:45:38 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'seconds': 10, 'procs': 1, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "seconds": 10,
    "procs": 1,
    "fork": true
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry": "/root/open-lambda/test-dir/registry",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "sock",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "import_cache_tree": "",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 10.173590421676636,
  "total_seconds": 10.400012969970703,
  "stats": {
    "sandboxes_per_sec": 45.4
  },
  "ol-stats": {
    "Create().cnt": 455,
    "Create().ms-avg": 10,
    "Create()/acquire-cgroup.cnt": 455,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 455,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 454,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 455,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 909,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 455,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 455,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 455,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 454,
    "childExit().ms-avg": 0,
    "fork().cnt": 454,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 454,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 472,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 454,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:45:48 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:48 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:48 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:48 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:48 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:48 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:48 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:45:48 remove worker.pid",
    "2020/04/03 21:45:48 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'seconds': 10, 'procs': 15, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "seconds": 10,
    "procs": 15,
    "fork": true
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry": "/root/open-lambda/test-dir/registry",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "sock",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "import_cache_tree": "",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 10.403730392456055,
  "total_seconds": 10.639715433120728,
  "stats": {
    "sandboxes_per_sec": 46.8
  },
  "ol-stats": {
    "Create().cnt": 469,
    "Create().ms-avg": 83,
    "Create()/acquire-cgroup.cnt": 469,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 469,
    "Create()/acquire-mem.ms-avg": 18,
    "Create()/fork-proc.cnt": 468,
    "Create()/fork-proc.ms-avg": 62,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 469,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 937,
    "Destroy().ms-avg": 52,
    "Destroy()/detach-root.cnt": 469,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 469,
    "Destroy()/kill-procs.ms-avg": 12,
    "Destroy()/remove-root.cnt": 469,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 468,
    "childExit().ms-avg": 66,
    "fork().cnt": 468,
    "fork().ms-avg": 62,
    "forkRequest.cnt": 468,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 486,
    "fresh-cgroup.ms-avg": 5,
    "move-to-cg-after-fork.cnt": 468,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:45:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:45:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:45:59 remove worker.pid",
    "2020/04/03 21:45:59 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'seconds': 10, 'procs': 1, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "seconds": 10,
    "procs": 1,
    "fork": true
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry": "/root/open-lambda/test-dir/registry",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "sock",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "import_cache_tree": "",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 10.796119928359985,
  "total_seconds": 11.150178909301758,
  "stats": {
    "sandboxes_per_sec": 45.6
  },
  "ol-stats": {
    "Create().cnt": 489,
    "Create().ms-avg": 6,
    "Create()/acquire-cgroup.cnt": 489,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 489,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 488,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 489,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 945,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 489,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 489,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 489,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 488,
    "childExit().ms-avg": 0,
    "fork().cnt": 488,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 488,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 506,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 488,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:46:10 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:10 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:10 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:10 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:10 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:10 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:10 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:46:10 remove worker.pid",
    "2020/04/03 21:46:10 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'seconds': 10, 'procs': 15, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "seconds": 10,
    "procs": 15,
    "fork": true
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry": "/root/open-lambda/test-dir/registry",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "sock",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "import_cache_tree": "",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 11.04331922531128,
  "total_seconds": 11.395415544509888,
  "stats": {
    "sandboxes_per_sec": 42.8
  },
  "ol-stats": {
    "Create().cnt": 461,
    "Create().ms-avg": 128,
    "Create()/acquire-cgroup.cnt": 461,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 461,
    "Create()/acquire-mem.ms-avg": 73,
    "Create()/fork-proc.cnt": 460,
    "Create()/fork-proc.ms-avg": 52,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 151,
    "Create()/make-root-fs.cnt": 461,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 889,
    "Destroy().ms-avg": 48,
    "Destroy()/detach-root.cnt": 461,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 461,
    "Destroy()/kill-procs.ms-avg": 12,
    "Destroy()/remove-root.cnt": 461,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 460,
    "childExit().ms-avg": 55,
    "fork().cnt": 460,
    "fork().ms-avg": 52,
    "forkRequest.cnt": 460,
    "forkRequest.ms-avg": 9,
    "fresh-cgroup.cnt": 478,
    "fresh-cgroup.ms-avg": 2,
    "move-to-cg-after-fork.cnt": 460,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:46:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:46:21 remove worker.pid",
    "2020/04/03 21:46:21 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry': '/tmp/tmpnwak_zfz', 'registry_cache_ms': 3000}
========================================
update_code
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "update_code",
  "params": {},
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 3000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry": "/tmp/tmpnwak_zfz",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "worker_port": "5000",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 6.03066086769104,
  "total_seconds": 6.26850152015686,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 45,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 142,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1705,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1708,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1705,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1704,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 1705,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:46:28 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:28 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:28 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:28 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:28 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:28 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:28 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:46:28 remove worker.pid",
    "2020/04/03 21:46:28 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpnwak_zfz', 'registry_cache_ms': 3000}
PUSH conf: {'registry': '/root/open-lambda/test-registry'}
========================================
stress_one_lambda {'seconds': 15, 'procs': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "seconds": 15,
    "procs": 1
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 15.0458664894104,
  "total_seconds": 15.27704405784607,
  "stats": {
    "reqs_per_sec": 294.06666666666666
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 42,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 133,
    "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": 4411,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4414,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4411,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4410,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4411,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:46:43 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:43 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:43 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:43 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:43 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:43 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:46:43 remove worker.pid",
    "2020/04/03 21:46:43 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'seconds': 15, 'procs': 2}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "seconds": 15,
    "procs": 2
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 15.04654860496521,
  "total_seconds": 15.277094602584839,
  "stats": {
    "reqs_per_sec": 296.6
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 42,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 133,
    "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": 4449,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3944,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4449,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3940,
    "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": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 4449,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:46:58 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:58 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:58 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:58 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:58 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:58 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:46:58 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:46:58 remove worker.pid",
    "2020/04/03 21:46:58 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'seconds': 15, 'procs': 8}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "seconds": 15,
    "procs": 8
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 15.066792726516724,
  "total_seconds": 15.297849178314209,
  "stats": {
    "reqs_per_sec": 269.93333333333334
  },
  "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": 137,
    "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": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4049,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 3060,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4049,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3056,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 1,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 4,
    "web-request.cnt": 4049,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:47:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:47:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:47:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:47:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:47:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:47:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:47:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:47:14 remove worker.pid",
    "2020/04/03 21:47:14 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpgyie3zsa'}
========================================
call_each_once_exec {'alloc_mb': 1, 'lambda_count': 100}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "alloc_mb": 1,
    "lambda_count": 100
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry": "/tmp/tmpgyie3zsa",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "worker_port": "5000",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": true
    }
  },
  "seconds": 2.7981817722320557,
  "total_seconds": 3.2346017360687256,
  "stats": {
    "reqs_per_sec": 35.737781742674244
  },
  "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": 134,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 155,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 24,
    "Pause().cnt": 200,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 6,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 54,
    "evict.ms-avg": 10,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 66,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 100,
    "web-request.ms-avg": 24
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:47:17 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:47:17 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:47:17 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:47:17 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:47:17 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:47:17 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:47:17 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:47:17 remove worker.pid",
    "2020/04/03 21:47:17 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpgyie3zsa'}
PUSH conf: {'registry': '/tmp/tmpllnwwmbt'}
========================================
call_each_once_exec {'alloc_mb': 10, 'lambda_count': 1000}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "alloc_mb": 10,
    "lambda_count": 1000
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "trace": {
      "package": false,
      "memory": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "pip_mirror": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "registry": "/tmp/tmpllnwwmbt",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": true
    }
  },
  "seconds": 42.550819635391235,
  "total_seconds": 43.02778887748718,
  "stats": {
    "reqs_per_sec": 23.501324282643534
  },
  "ol-stats": {
    "Channel().cnt": 1000,
    "Channel().ms-avg": 0,
    "Create().cnt": 1001,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 1001,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 1001,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1000,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1981,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 6,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 38,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 19,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 4,
    "evict.cnt": 980,
    "evict.ms-avg": 11,
    "fork().cnt": 1000,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1000,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 41,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1000,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1000,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 38
  },
  "errors": [],
  "worker_tail": [
    "2020/04/03 21:48:00 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:48:00 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:48:00 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:48:00 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:48:00 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:48:00 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/03 21:48:00 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/03 21:48:00 remove worker.pid",
    "2020/04/03 21:48:00 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpllnwwmbt'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0