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": {
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    }
  },
  "seconds": 2.289379835128784,
  "total_seconds": 2.8501317501068115,
  "stats": {
    "pings_per_sec": 436.8033353776414
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:45:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:45:33 remove worker.pid",
    "2020/03/27 21:45:33 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": {
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": false,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    }
  },
  "seconds": 14.349000930786133,
  "total_seconds": 14.58660078048706,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 272,
    "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": 270,
    "Create()/make-root-fs.cnt": 10,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 10,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 10,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 10,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 3571,
    "Pause().cnt": 4,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 74,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 123,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1939,
    "web-request.cnt": 4,
    "web-request.ms-avg": 3571
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:45:48 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:48 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:48 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:48 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:48 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:48 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:48 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:45:48 remove worker.pid",
    "2020/03/27 21:45:48 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": {
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 6.219346523284912,
  "total_seconds": 6.457324266433716,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 92,
    "Create()/acquire-cgroup.cnt": 11,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 11,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 4,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 138,
    "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": 1546,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 44,
    "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": 966,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1546
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:45:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:45:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:45:54 remove worker.pid",
    "2020/03/27 21:45:54 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
PUSH conf: {'features': {'import_cache': False}, 'sandbox': 'docker'}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "docker",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": false,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    }
  },
  "seconds": 23.88409972190857,
  "total_seconds": 25.611608028411865,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 1028,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 335,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 5959,
    "Pause().cnt": 4,
    "Pause().ms-avg": 117,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2927,
    "web-request.cnt": 4,
    "web-request.ms-avg": 5959
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:46:19 Kill function: install3",
    "2020/03/27 21:46:19 Destroy() [SB 9]",
    "2020/03/27 21:46:19 Kill function: echo",
    "2020/03/27 21:46:19 Destroy() [SB 0]",
    "2020/03/27 21:46:20 Kill function: install",
    "2020/03/27 21:46:20 Destroy() [SB 6]",
    "2020/03/27 21:46:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:46:20 remove worker.pid",
    "2020/03/27 21:46:20 exiting",
    ""
  ]
}
POP conf: {'features': {'import_cache': False}, 'sandbox': 'docker'}
========================================
fork_bomb
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "fork_bomb",
  "params": {},
  "pass": true,
  "conf": {
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 0.17778325080871582,
  "total_seconds": 0.410383939743042,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 77,
    "Create()/acquire-cgroup.cnt": 2,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 2,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "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": 174,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 12,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 8,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 174
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:46:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:46:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:46:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:46:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:46:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:46:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:46:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:46:20 remove worker.pid",
    "2020/03/27 21:46:20 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": {
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 0.868859052658081,
  "total_seconds": 1.100513219833374,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 75,
    "Create()/acquire-cgroup.cnt": 2,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 2,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 136,
    "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": 865,
    "Pause().cnt": 2,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 685,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 21,
    "web-request.cnt": 1,
    "web-request.ms-avg": 865
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:46:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:46:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:46:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:46:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:46:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:46:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:46:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:46:21 remove worker.pid",
    "2020/03/27 21:46:21 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": {
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 54.54050278663635,
  "total_seconds": 54.81816029548645,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 123,
    "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": 155,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 24,
    "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": 1,
    "Destroy()/remove-root.cnt": 13,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 10903,
    "Pause().cnt": 10,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 367,
    "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": 3,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 7432,
    "web-request.cnt": 5,
    "web-request.ms-avg": 10903
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:47:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:47:16 remove worker.pid",
    "2020/03/27 21:47:16 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, 'fork': False, 'seconds': 5, 'procs': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "fork": false,
    "seconds": 5,
    "procs": 1
  },
  "pass": true,
  "conf": {
    "server_mode": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 5.118054389953613,
  "total_seconds": 5.341299772262573,
  "stats": {
    "sandboxes_per_sec": 6.0
  },
  "ol-stats": {
    "Create().cnt": 30,
    "Create().ms-avg": 153,
    "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": 148,
    "Create()/make-root-fs.cnt": 30,
    "Create()/make-root-fs.ms-avg": 5,
    "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": [
    "2020/03/27 21:47:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:47:22 remove worker.pid",
    "2020/03/27 21:47:22 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'fork': True, 'seconds': 10, 'procs': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "fork": true,
    "seconds": 10,
    "procs": 1
  },
  "pass": true,
  "conf": {
    "server_mode": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 10.165682792663574,
  "total_seconds": 10.393825054168701,
  "stats": {
    "sandboxes_per_sec": 44.4
  },
  "ol-stats": {
    "Create().cnt": 445,
    "Create().ms-avg": 10,
    "Create()/acquire-cgroup.cnt": 445,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 445,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 444,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 139,
    "Create()/make-root-fs.cnt": 445,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 889,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 445,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 445,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 445,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 444,
    "childExit().ms-avg": 0,
    "fork().cnt": 444,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 444,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 462,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 444,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:47:32 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:32 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:32 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:32 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:32 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:32 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:32 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:47:32 remove worker.pid",
    "2020/03/27 21:47:32 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'fork': True, 'seconds': 10, 'procs': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "fork": true,
    "seconds": 10,
    "procs": 15
  },
  "pass": true,
  "conf": {
    "server_mode": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 10.380059480667114,
  "total_seconds": 10.616084337234497,
  "stats": {
    "sandboxes_per_sec": 45.6
  },
  "ol-stats": {
    "Create().cnt": 457,
    "Create().ms-avg": 69,
    "Create()/acquire-cgroup.cnt": 457,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 457,
    "Create()/acquire-mem.ms-avg": 18,
    "Create()/fork-proc.cnt": 456,
    "Create()/fork-proc.ms-avg": 48,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 457,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 913,
    "Destroy().ms-avg": 51,
    "Destroy()/detach-root.cnt": 457,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 457,
    "Destroy()/kill-procs.ms-avg": 19,
    "Destroy()/remove-root.cnt": 457,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 456,
    "childExit().ms-avg": 46,
    "fork().cnt": 456,
    "fork().ms-avg": 48,
    "forkRequest.cnt": 456,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 474,
    "fresh-cgroup.ms-avg": 2,
    "move-to-cg-after-fork.cnt": 456,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:47:43 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:43 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:43 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:43 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:43 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:43 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:47:43 remove worker.pid",
    "2020/03/27 21:47:43 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'fork': True, 'seconds': 10, 'procs': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "fork": true,
    "seconds": 10,
    "procs": 1
  },
  "pass": true,
  "conf": {
    "server_mode": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 10.7658212184906,
  "total_seconds": 11.114721059799194,
  "stats": {
    "sandboxes_per_sec": 47.0
  },
  "ol-stats": {
    "Create().cnt": 503,
    "Create().ms-avg": 6,
    "Create()/acquire-cgroup.cnt": 503,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 503,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 502,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 133,
    "Create()/make-root-fs.cnt": 503,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 973,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 503,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 503,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 503,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 502,
    "childExit().ms-avg": 0,
    "fork().cnt": 502,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 502,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 520,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 502,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:47:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:47:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:47:54 remove worker.pid",
    "2020/03/27 21:47:54 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'fork': True, 'seconds': 10, 'procs': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "fork": true,
    "seconds": 10,
    "procs": 15
  },
  "pass": true,
  "conf": {
    "server_mode": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 11.037575721740723,
  "total_seconds": 11.413933038711548,
  "stats": {
    "sandboxes_per_sec": 42.2
  },
  "ol-stats": {
    "Create().cnt": 455,
    "Create().ms-avg": 126,
    "Create()/acquire-cgroup.cnt": 455,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 455,
    "Create()/acquire-mem.ms-avg": 75,
    "Create()/fork-proc.cnt": 454,
    "Create()/fork-proc.ms-avg": 47,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 194,
    "Create()/make-root-fs.cnt": 455,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 877,
    "Destroy().ms-avg": 47,
    "Destroy()/detach-root.cnt": 455,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 455,
    "Destroy()/kill-procs.ms-avg": 14,
    "Destroy()/remove-root.cnt": 455,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 454,
    "childExit().ms-avg": 52,
    "fork().cnt": 454,
    "fork().ms-avg": 47,
    "forkRequest.cnt": 454,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 472,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 454,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:48:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:48:05 remove worker.pid",
    "2020/03/27 21:48:05 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry': '/tmp/tmpx4na3nhn', '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": {
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "registry": "/tmp/tmpx4na3nhn",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 3000,
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    }
  },
  "seconds": 6.033936500549316,
  "total_seconds": 6.276643753051758,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 53,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 183,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1681,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1684,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1681,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1680,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 1681,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:48:11 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:11 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:11 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:11 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:11 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:11 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:11 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:48:11 remove worker.pid",
    "2020/03/27 21:48:11 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpx4na3nhn', '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": {
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 15.045241594314575,
  "total_seconds": 15.27807354927063,
  "stats": {
    "reqs_per_sec": 285.2
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 44,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 4,
    "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": 4278,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4281,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4278,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4277,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4278,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:48:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:48:27 remove worker.pid",
    "2020/03/27 21:48:27 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": {
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 15.04855990409851,
  "total_seconds": 15.280527114868164,
  "stats": {
    "reqs_per_sec": 284.6666666666667
  },
  "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": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4270,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3854,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4270,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3850,
    "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": 4270,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:48:42 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:42 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:42 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:42 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:42 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:42 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:42 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:48:42 remove worker.pid",
    "2020/03/27 21:48:42 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": {
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    }
  },
  "seconds": 15.06699252128601,
  "total_seconds": 15.297457933425903,
  "stats": {
    "reqs_per_sec": 262.53333333333336
  },
  "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": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 139,
    "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": 3938,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 2998,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3938,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2994,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 4,
    "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": 3,
    "web-request.cnt": 3938,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:48:57 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:57 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:57 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:57 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:57 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:57 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:48:57 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:48:57 remove worker.pid",
    "2020/03/27 21:48:57 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpivc9nttu'}
========================================
call_each_once_exec {'lambda_count': 100, 'alloc_mb': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "lambda_count": 100,
    "alloc_mb": 1
  },
  "pass": true,
  "conf": {
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "registry": "/tmp/tmpivc9nttu",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "reuse_cgroups": true,
      "downsize_paused_mem": true
    }
  },
  "seconds": 2.8814098834991455,
  "total_seconds": 3.314621925354004,
  "stats": {
    "reqs_per_sec": 34.70551681738559
  },
  "ol-stats": {
    "Channel().cnt": 100,
    "Channel().ms-avg": 0,
    "Create().cnt": 101,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 101,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 101,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 100,
    "Create()/fork-proc.ms-avg": 5,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 159,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 25,
    "Pause().cnt": 200,
    "Pause().ms-avg": 10,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 6,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 58,
    "evict.ms-avg": 11,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 67,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 25
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:49:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:49:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:49:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:49:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:49:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:49:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:49:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:49:01 remove worker.pid",
    "2020/03/27 21:49:01 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpivc9nttu'}
PUSH conf: {'registry': '/tmp/tmpiyf5dbh6'}
========================================
call_each_once_exec {'lambda_count': 1000, 'alloc_mb': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "lambda_count": 1000,
    "alloc_mb": 10
  },
  "pass": true,
  "conf": {
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "import_cache_tree": "",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "registry": "/tmp/tmpiyf5dbh6",
    "worker_port": "5000",
    "docker_runtime": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "mem_pool_mb": 500,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "pip_mirror": "",
    "registry_cache_ms": 5000,
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": true
    }
  },
  "seconds": 43.95864486694336,
  "total_seconds": 44.51254963874817,
  "stats": {
    "reqs_per_sec": 22.748697993128296
  },
  "ol-stats": {
    "Channel().cnt": 1000,
    "Channel().ms-avg": 0,
    "Create().cnt": 1001,
    "Create().ms-avg": 8,
    "Create()/acquire-cgroup.cnt": 1001,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 1001,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1000,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 136,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1980,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 7,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 39,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 19,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 3,
    "evict.cnt": 979,
    "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": 40
  },
  "errors": [],
  "worker_tail": [
    "2020/03/27 21:49:45 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:49:45 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:49:45 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:49:45 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:49:45 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:49:45 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/27 21:49:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/27 21:49:45 remove worker.pid",
    "2020/03/27 21:49:45 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpiyf5dbh6'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0