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": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 2.2617275714874268,
  "total_seconds": 2.5865650177001953,
  "stats": {
    "pings_per_sec": 442.14414034919054
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:45:32 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:32 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:32 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:32 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:32 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:32 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:32 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:45:32 remove worker.pid",
    "2020/06/27 21:45:32 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": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 12.808250665664673,
  "total_seconds": 13.050032138824463,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 323,
    "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": 305,
    "Create()/make-root-fs.cnt": 10,
    "Create()/make-root-fs.ms-avg": 17,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 3,
    "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": 3192,
    "Pause().cnt": 4,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 127,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 9,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1678,
    "web-request.cnt": 4,
    "web-request.ms-avg": 3192
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:45:45 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:45 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:45 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:45 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:45 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:45 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:45:45 remove worker.pid",
    "2020/06/27 21:45:45 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": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 6.087738752365112,
  "total_seconds": 6.327254772186279,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 91,
    "Create()/acquire-cgroup.cnt": 11,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 11,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 4,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 11,
    "Destroy().ms-avg": 3,
    "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": 1514,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 43,
    "Unpause().cnt": 3,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 4,
    "childExit().ms-avg": 0,
    "fork().cnt": 4,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 5,
    "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": 945,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1514
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:45:51 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:51 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:51 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:51 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:51 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:51 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:45:51 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:45:51 remove worker.pid",
    "2020/06/27 21:45:51 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": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "docker",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 21.160561561584473,
  "total_seconds": 22.186393976211548,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 926,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 265,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 5277,
    "Pause().cnt": 4,
    "Pause().ms-avg": 62,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 2,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2558,
    "web-request.cnt": 4,
    "web-request.ms-avg": 5277
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:46:13 Kill function: install2",
    "2020/06/27 21:46:13 Destroy() [SB 7]",
    "2020/06/27 21:46:13 Kill function: install3",
    "2020/06/27 21:46:13 Destroy() [SB 9]",
    "2020/06/27 21:46:13 Kill function: echo",
    "2020/06/27 21:46:13 Destroy() [SB 0]",
    "2020/06/27 21:46:13 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:46:13 remove worker.pid",
    "2020/06/27 21:46:13 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": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 0.2550179958343506,
  "total_seconds": 0.48819589614868164,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 113,
    "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": 208,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 5,
    "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": 251,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 13,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 5,
    "web-request.cnt": 1,
    "web-request.ms-avg": 251
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:46:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:46:14 remove worker.pid",
    "2020/06/27 21:46:14 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": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 0.8663845062255859,
  "total_seconds": 1.0989537239074707,
  "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": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 2,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 2,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 2,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 2,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1,
    "LambdaFunc.Invoke.ms-avg": 862,
    "Pause().cnt": 2,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 696,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 4,
    "web-request.cnt": 1,
    "web-request.ms-avg": 862
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:46:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:46:15 remove worker.pid",
    "2020/06/27 21:46:15 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": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 43.94721531867981,
  "total_seconds": 44.187888622283936,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 155,
    "Create()/acquire-cgroup.cnt": 13,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 13,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 5,
    "Create()/fork-proc.ms-avg": 5,
    "Create()/fresh-proc.cnt": 8,
    "Create()/fresh-proc.ms-avg": 139,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 67,
    "Destroy().cnt": 13,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 13,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 13,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 13,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 8785,
    "Pause().cnt": 10,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 291,
    "Unpause().cnt": 4,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 5,
    "childExit().ms-avg": 0,
    "fork().cnt": 5,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 5,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 30,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 5,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 5,
    "pull-lambda.ms-avg": 6,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 5909,
    "web-request.cnt": 5,
    "web-request.ms-avg": 8785
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:46:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:46:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:46:59 remove worker.pid",
    "2020/06/27 21:46:59 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 {'seconds': 5, 'procs': 1, 'baseline': 0, 'fork': False}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 5,
    "procs": 1,
    "baseline": 0,
    "fork": false
  },
  "pass": true,
  "conf": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "sock",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 5.159456729888916,
  "total_seconds": 5.3845720291137695,
  "stats": {
    "sandboxes_per_sec": 6.2
  },
  "ol-stats": {
    "Create().cnt": 31,
    "Create().ms-avg": 142,
    "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": 137,
    "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": 1,
    "Destroy()/remove-root.cnt": 31,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 48,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:47:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:47:05 remove worker.pid",
    "2020/06/27 21:47:05 exiting",
    ""
  ]
}
========================================
sock_churn {'seconds': 10, 'procs': 1, 'baseline': 0, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 10,
    "procs": 1,
    "baseline": 0,
    "fork": true
  },
  "pass": true,
  "conf": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "sock",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 10.179676055908203,
  "total_seconds": 10.408031463623047,
  "stats": {
    "sandboxes_per_sec": 41.0
  },
  "ol-stats": {
    "Create().cnt": 411,
    "Create().ms-avg": 11,
    "Create()/acquire-cgroup.cnt": 411,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 411,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 410,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 411,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 821,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 411,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 411,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 411,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 410,
    "childExit().ms-avg": 0,
    "fork().cnt": 410,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 410,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 428,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 410,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:47:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:47:15 remove worker.pid",
    "2020/06/27 21:47:15 exiting",
    ""
  ]
}
========================================
sock_churn {'seconds': 10, 'procs': 15, 'baseline': 0, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 10,
    "procs": 15,
    "baseline": 0,
    "fork": true
  },
  "pass": true,
  "conf": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "sock",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 10.37991452217102,
  "total_seconds": 10.616770267486572,
  "stats": {
    "sandboxes_per_sec": 43.4
  },
  "ol-stats": {
    "Create().cnt": 435,
    "Create().ms-avg": 98,
    "Create()/acquire-cgroup.cnt": 435,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 435,
    "Create()/acquire-mem.ms-avg": 17,
    "Create()/fork-proc.cnt": 434,
    "Create()/fork-proc.ms-avg": 77,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 435,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 869,
    "Destroy().ms-avg": 57,
    "Destroy()/detach-root.cnt": 435,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 435,
    "Destroy()/kill-procs.ms-avg": 15,
    "Destroy()/remove-root.cnt": 435,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 434,
    "childExit().ms-avg": 71,
    "fork().cnt": 434,
    "fork().ms-avg": 77,
    "forkRequest.cnt": 434,
    "forkRequest.ms-avg": 11,
    "fresh-cgroup.cnt": 452,
    "fresh-cgroup.ms-avg": 2,
    "move-to-cg-after-fork.cnt": 434,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:47:26 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:26 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:26 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:26 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:26 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:26 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:26 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:47:26 remove worker.pid",
    "2020/06/27 21:47:26 exiting",
    ""
  ]
}
========================================
sock_churn {'seconds': 10, 'procs': 1, 'baseline': 32, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 10,
    "procs": 1,
    "baseline": 32,
    "fork": true
  },
  "pass": true,
  "conf": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "sock",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 10.81744909286499,
  "total_seconds": 11.158754348754883,
  "stats": {
    "sandboxes_per_sec": 43.0
  },
  "ol-stats": {
    "Create().cnt": 463,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 463,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 463,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 462,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 133,
    "Create()/make-root-fs.cnt": 463,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 893,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 463,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 463,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 463,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 462,
    "childExit().ms-avg": 0,
    "fork().cnt": 462,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 462,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 480,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 462,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:47:37 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:37 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:37 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:37 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:37 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:37 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:37 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:47:37 remove worker.pid",
    "2020/06/27 21:47:37 exiting",
    ""
  ]
}
========================================
sock_churn {'seconds': 10, 'procs': 15, 'baseline': 32, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 10,
    "procs": 15,
    "baseline": 32,
    "fork": true
  },
  "pass": true,
  "conf": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "sock",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 11.135829448699951,
  "total_seconds": 11.498094081878662,
  "stats": {
    "sandboxes_per_sec": 40.6
  },
  "ol-stats": {
    "Create().cnt": 439,
    "Create().ms-avg": 138,
    "Create()/acquire-cgroup.cnt": 439,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 439,
    "Create()/acquire-mem.ms-avg": 80,
    "Create()/fork-proc.cnt": 438,
    "Create()/fork-proc.ms-avg": 54,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 189,
    "Create()/make-root-fs.cnt": 439,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 845,
    "Destroy().ms-avg": 53,
    "Destroy()/detach-root.cnt": 439,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 439,
    "Destroy()/kill-procs.ms-avg": 16,
    "Destroy()/remove-root.cnt": 439,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 438,
    "childExit().ms-avg": 60,
    "fork().cnt": 438,
    "fork().ms-avg": 54,
    "forkRequest.cnt": 438,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 456,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 438,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:47:48 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:48 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:48 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:48 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:48 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:48 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:48 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:47:48 remove worker.pid",
    "2020/06/27 21:47:48 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500, 'server_mode': 'sock'}
PUSH conf: {'registry': '/tmp/tmp3tix_y4q', '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": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 3000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/tmp/tmp3tix_y4q",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 6.030491590499878,
  "total_seconds": 6.283890724182129,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 54,
    "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": 177,
    "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": 1666,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1669,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1666,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1665,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 1666,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:47:55 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:55 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:55 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:55 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:55 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:55 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:47:55 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:47:55 remove worker.pid",
    "2020/06/27 21:47:55 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp3tix_y4q', '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": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 15.044494152069092,
  "total_seconds": 15.280618906021118,
  "stats": {
    "reqs_per_sec": 283.3333333333333
  },
  "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": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 140,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 4,
    "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": 4250,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4253,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4250,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4249,
    "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": 4250,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:48:10 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:10 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:10 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:10 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:10 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:10 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:10 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:48:10 remove worker.pid",
    "2020/06/27 21:48:10 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": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 15.048156499862671,
  "total_seconds": 15.280400037765503,
  "stats": {
    "reqs_per_sec": 285.93333333333334
  },
  "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": 137,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4289,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4000,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4289,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3996,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 6,
    "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": 4289,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:48:25 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:25 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:25 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:25 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:25 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:25 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:25 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:48:25 remove worker.pid",
    "2020/06/27 21:48:25 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": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 15.070936918258667,
  "total_seconds": 15.302966833114624,
  "stats": {
    "reqs_per_sec": 264.0
  },
  "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": 8,
    "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": 3960,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 2896,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3960,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2892,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 5,
    "web-request.cnt": 3960,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:48:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:48:40 remove worker.pid",
    "2020/06/27 21:48:40 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpu5uqm5yu'}
========================================
call_each_once_exec {'alloc_mb': 1, 'lambda_count': 100}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "alloc_mb": 1,
    "lambda_count": 100
  },
  "pass": true,
  "conf": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": true,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/tmp/tmpu5uqm5yu",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 3.0369505882263184,
  "total_seconds": 3.4731717109680176,
  "stats": {
    "reqs_per_sec": 32.92808709844816
  },
  "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": 137,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 152,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 26,
    "Pause().cnt": 200,
    "Pause().ms-avg": 10,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 6,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 51,
    "evict.ms-avg": 12,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 69,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 26
  },
  "errors": [],
  "worker_tail": [
    "2020/06/27 21:48:44 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:44 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:44 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:44 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:44 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:44 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:48:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:48:44 remove worker.pid",
    "2020/06/27 21:48:44 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpu5uqm5yu'}
PUSH conf: {'registry': '/tmp/tmpnl3b4xer'}
========================================
call_each_once_exec {'alloc_mb': 10, 'lambda_count': 1000}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "alloc_mb": 10,
    "lambda_count": 1000
  },
  "pass": true,
  "conf": {
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": true,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "registry": "/tmp/tmpnl3b4xer",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "mem_pool_mb": 500,
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": ""
  },
  "seconds": 44.858819246292114,
  "total_seconds": 45.40473961830139,
  "stats": {
    "reqs_per_sec": 22.29217344821896
  },
  "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": 143,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1982,
    "Destroy().ms-avg": 6,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 8,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 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": 4,
    "evict.cnt": 981,
    "evict.ms-avg": 13,
    "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": [
    "2020/06/27 21:49:29 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:49:29 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:49:29 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:49:29 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:49:29 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:49:29 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/27 21:49:29 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/27 21:49:29 remove worker.pid",
    "2020/06/27 21:49:29 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpnl3b4xer'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0