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": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "pip_mirror": "",
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 2.1989901065826416,
  "total_seconds": 2.5279877185821533,
  "stats": {
    "pings_per_sec": 454.75859424942297
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:45:45 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:45:45 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:45:45 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:45:45 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:45:45 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:45:45 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:45:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:45:45 remove worker.pid",
    "2020/04/02 21:45:45 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": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "pip_mirror": "",
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 12.104923009872437,
  "total_seconds": 12.34111738204956,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 395,
    "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": 393,
    "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": 3013,
    "Pause().cnt": 4,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 46,
    "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": 1429,
    "web-request.cnt": 4,
    "web-request.ms-avg": 3013
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:45:57 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:45:57 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:45:57 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:45:57 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:45:57 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:45:57 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:45:57 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:45:57 remove worker.pid",
    "2020/04/02 21:45:57 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": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/root/open-lambda/test-registry",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 6.173238515853882,
  "total_seconds": 6.4103100299835205,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 95,
    "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": 7,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 142,
    "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": 1535,
    "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": 7,
    "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": 959,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1535
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:46:04 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:04 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:04 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:04 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:04 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:04 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:04 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:46:04 remove worker.pid",
    "2020/04/02 21:46:04 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": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "pip_mirror": "",
    "sandbox": "docker",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 23.965200901031494,
  "total_seconds": 24.989242553710938,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 1064,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 444,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 5979,
    "Pause().cnt": 4,
    "Pause().ms-avg": 28,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 2,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2871,
    "web-request.cnt": 4,
    "web-request.ms-avg": 5979
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:46:28 Kill function: install",
    "2020/04/02 21:46:28 Destroy() [SB 6]",
    "2020/04/02 21:46:28 Kill function: install2",
    "2020/04/02 21:46:28 Destroy() [SB 7]",
    "2020/04/02 21:46:29 Kill function: install3",
    "2020/04/02 21:46:29 Destroy() [SB 9]",
    "2020/04/02 21:46:29 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:46:29 remove worker.pid",
    "2020/04/02 21:46:29 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": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/root/open-lambda/test-registry",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 0.1999218463897705,
  "total_seconds": 0.4307575225830078,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 78,
    "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": 140,
    "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": 196,
    "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": 7,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 3,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 3,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 21,
    "web-request.cnt": 1,
    "web-request.ms-avg": 196
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:46:29 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:29 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:29 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:29 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:29 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:29 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:29 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:46:29 remove worker.pid",
    "2020/04/02 21:46:29 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": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/root/open-lambda/test-registry",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 0.8632645606994629,
  "total_seconds": 1.0973641872406006,
  "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": 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": 859,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 697,
    "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": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 859
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:46:30 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:30 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:30 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:30 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:30 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:30 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:46:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:46:30 remove worker.pid",
    "2020/04/02 21:46:30 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": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/root/open-lambda/test-registry",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 51.406893253326416,
  "total_seconds": 51.67595028877258,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 112,
    "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": 149,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 17,
    "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": 10277,
    "Pause().cnt": 10,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 258,
    "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": 6,
    "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": 41,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 7056,
    "web-request.cnt": 5,
    "web-request.ms-avg": 10277
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:47:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:47:22 remove worker.pid",
    "2020/04/02 21:47:22 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'mem_pool_mb': 500, 'server_mode': 'sock'}
========================================
sock_churn {'procs': 1, 'fork': False, 'baseline': 0, 'seconds': 5}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "fork": false,
    "baseline": 0,
    "seconds": 5
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 5.161946058273315,
  "total_seconds": 5.288519382476807,
  "stats": {
    "sandboxes_per_sec": 6.2
  },
  "ol-stats": {
    "Create().cnt": 31,
    "Create().ms-avg": 144,
    "Create()/acquire-cgroup.cnt": 31,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 31,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 31,
    "Create()/fresh-proc.ms-avg": 140,
    "Create()/make-root-fs.cnt": 31,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 62,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 31,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 31,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 31,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 48,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:47:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:47:27 remove worker.pid",
    "2020/04/02 21:47:27 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'fork': True, 'baseline': 0, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "fork": true,
    "baseline": 0,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 10.164132356643677,
  "total_seconds": 10.39884877204895,
  "stats": {
    "sandboxes_per_sec": 43.1
  },
  "ol-stats": {
    "Create().cnt": 432,
    "Create().ms-avg": 11,
    "Create()/acquire-cgroup.cnt": 432,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 432,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 431,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 432,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 863,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 432,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 432,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 432,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 431,
    "childExit().ms-avg": 0,
    "fork().cnt": 431,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 431,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 449,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 431,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:47:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:47:38 remove worker.pid",
    "2020/04/02 21:47:38 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'fork': True, 'baseline': 0, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "fork": true,
    "baseline": 0,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 10.367958307266235,
  "total_seconds": 10.595641136169434,
  "stats": {
    "sandboxes_per_sec": 45.6
  },
  "ol-stats": {
    "Create().cnt": 457,
    "Create().ms-avg": 82,
    "Create()/acquire-cgroup.cnt": 457,
    "Create()/acquire-cgroup.ms-avg": 1,
    "Create()/acquire-mem.cnt": 457,
    "Create()/acquire-mem.ms-avg": 17,
    "Create()/fork-proc.cnt": 456,
    "Create()/fork-proc.ms-avg": 60,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 457,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 913,
    "Destroy().ms-avg": 46,
    "Destroy()/detach-root.cnt": 457,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 457,
    "Destroy()/kill-procs.ms-avg": 12,
    "Destroy()/remove-root.cnt": 457,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 456,
    "childExit().ms-avg": 56,
    "fork().cnt": 456,
    "fork().ms-avg": 60,
    "forkRequest.cnt": 456,
    "forkRequest.ms-avg": 11,
    "fresh-cgroup.cnt": 474,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 456,
    "move-to-cg-after-fork.ms-avg": 3
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:47:48 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:48 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:48 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:48 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:48 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:48 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:48 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:47:48 remove worker.pid",
    "2020/04/02 21:47:48 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'fork': True, 'baseline': 32, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "fork": true,
    "baseline": 32,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 10.81454586982727,
  "total_seconds": 11.152157306671143,
  "stats": {
    "sandboxes_per_sec": 43.9
  },
  "ol-stats": {
    "Create().cnt": 472,
    "Create().ms-avg": 6,
    "Create()/acquire-cgroup.cnt": 472,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 472,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 471,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 472,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 911,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 472,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 472,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 472,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 471,
    "childExit().ms-avg": 0,
    "fork().cnt": 471,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 471,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 489,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 471,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:47:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:47:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:47:59 remove worker.pid",
    "2020/04/02 21:47:59 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'fork': True, 'baseline': 32, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "fork": true,
    "baseline": 32,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 10.942588329315186,
  "total_seconds": 11.29504919052124,
  "stats": {
    "sandboxes_per_sec": 41.1
  },
  "ol-stats": {
    "Create().cnt": 444,
    "Create().ms-avg": 131,
    "Create()/acquire-cgroup.cnt": 444,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 444,
    "Create()/acquire-mem.ms-avg": 79,
    "Create()/fork-proc.cnt": 443,
    "Create()/fork-proc.ms-avg": 48,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 444,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 855,
    "Destroy().ms-avg": 49,
    "Destroy()/detach-root.cnt": 444,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 444,
    "Destroy()/kill-procs.ms-avg": 13,
    "Destroy()/remove-root.cnt": 444,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 443,
    "childExit().ms-avg": 50,
    "fork().cnt": 443,
    "fork().ms-avg": 48,
    "forkRequest.cnt": 443,
    "forkRequest.ms-avg": 9,
    "fresh-cgroup.cnt": 461,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 443,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:48:11 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:11 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:11 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:11 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:11 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:11 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:11 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:48:11 remove worker.pid",
    "2020/04/02 21:48:11 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500, 'server_mode': 'sock'}
PUSH conf: {'registry_cache_ms': 3000, 'registry': '/tmp/tmpjed4jeuu'}
========================================
update_code
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "update_code",
  "params": {},
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "pip_mirror": "",
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/tmp/tmpjed4jeuu",
    "registry_cache_ms": 3000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 6.029502868652344,
  "total_seconds": 6.2721734046936035,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 50,
    "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": 164,
    "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": 1704,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1707,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1704,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1703,
    "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": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1704,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:48:17 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:17 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:17 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:17 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:17 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:17 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:17 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:48:17 remove worker.pid",
    "2020/04/02 21:48:17 exiting",
    ""
  ]
}
POP conf: {'registry_cache_ms': 3000, 'registry': '/tmp/tmpjed4jeuu'}
PUSH conf: {'registry': '/root/open-lambda/test-registry'}
========================================
stress_one_lambda {'procs': 1, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 1,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/root/open-lambda/test-registry",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 15.04721450805664,
  "total_seconds": 15.277422666549683,
  "stats": {
    "reqs_per_sec": 289.8
  },
  "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": 136,
    "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": 4347,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4350,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4347,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4346,
    "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": 4347,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:48:32 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:32 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:32 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:32 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:32 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:32 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:32 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:48:32 remove worker.pid",
    "2020/04/02 21:48:32 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'procs': 2, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 2,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/root/open-lambda/test-registry",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 15.046990871429443,
  "total_seconds": 15.278308153152466,
  "stats": {
    "reqs_per_sec": 289.3333333333333
  },
  "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": 4340,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3936,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4340,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3932,
    "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": 4340,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:48:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:48:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:48:47 remove worker.pid",
    "2020/04/02 21:48:47 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'procs': 8, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 8,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/root/open-lambda/test-registry",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 15.066278457641602,
  "total_seconds": 15.297634363174438,
  "stats": {
    "reqs_per_sec": 261.3333333333333
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 43,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 6,
    "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": 3920,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 2987,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3920,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2983,
    "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": 5,
    "web-request.cnt": 3920,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:49:03 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:03 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:03 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:03 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:03 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:03 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:49:03 remove worker.pid",
    "2020/04/02 21:49:03 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpyrb_58sb'}
========================================
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": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "pip_mirror": "",
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": true,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/tmp/tmpyrb_58sb",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 2.964675188064575,
  "total_seconds": 3.4140634536743164,
  "stats": {
    "reqs_per_sec": 33.7307656489678
  },
  "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": 136,
    "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": 4,
    "evict.cnt": 58,
    "evict.ms-avg": 12,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 65,
    "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": [
    "2020/04/02 21:49:06 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:06 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:06 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:06 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:06 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:06 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:06 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:49:06 remove worker.pid",
    "2020/04/02 21:49:06 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpyrb_58sb'}
PUSH conf: {'registry': '/tmp/tmpnfqm9omm'}
========================================
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": {
    "worker_port": "5000",
    "import_cache_tree": "",
    "trace": {
      "evictor": false,
      "memory": false,
      "cgroups": false,
      "package": false
    },
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": true,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "server_mode": "lambda",
    "registry": "/tmp/tmpnfqm9omm",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {}
  },
  "seconds": 44.12250232696533,
  "total_seconds": 44.677916526794434,
  "stats": {
    "reqs_per_sec": 22.664188333038354
  },
  "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": 137,
    "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": 7,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 40,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 19,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 3,
    "evict.cnt": 980,
    "evict.ms-avg": 11,
    "fork().cnt": 1000,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1000,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 40,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1000,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1000,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 40
  },
  "errors": [],
  "worker_tail": [
    "2020/04/02 21:49:51 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:51 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:51 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:51 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:51 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:51 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/02 21:49:51 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/02 21:49:51 remove worker.pid",
    "2020/04/02 21:49:51 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpnfqm9omm'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0