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": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "import_cache_tree": ""
  },
  "seconds": 2.7226576805114746,
  "total_seconds": 3.052324056625366,
  "stats": {
    "pings_per_sec": 367.29085532197314
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:45:11 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:11 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:11 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:11 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:11 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:11 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:11 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:45:11 remove worker.pid",
    "2021/04/12 21:45:11 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": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "import_cache_tree": "",
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "sandbox_config": {}
  },
  "seconds": 12.52584981918335,
  "total_seconds": 12.764521360397339,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 396,
    "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": 394,
    "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": 3120,
    "Pause().cnt": 4,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 228,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 10,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1401,
    "web-request.cnt": 4,
    "web-request.ms-avg": 3120
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:45:24 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:24 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:24 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:24 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:24 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:24 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:24 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:45:24 remove worker.pid",
    "2021/04/12 21:45:24 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": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": ""
  },
  "seconds": 6.050511360168457,
  "total_seconds": 6.287023305892944,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 93,
    "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": 139,
    "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": 1504,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 44,
    "Unpause().cnt": 3,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 4,
    "childExit().ms-avg": 0,
    "fork().cnt": 4,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 28,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 4,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 929,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1504
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:45:30 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:30 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:30 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:30 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:30 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:30 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:45:30 remove worker.pid",
    "2021/04/12 21:45:30 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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "import_cache_tree": "",
    "sandbox": "docker",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox_config": {},
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    }
  },
  "seconds": 22.65101647377014,
  "total_seconds": 23.676525354385376,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 1319,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 283,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 5650,
    "Pause().cnt": 4,
    "Pause().ms-avg": 29,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2084,
    "web-request.cnt": 4,
    "web-request.ms-avg": 5650
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:45:53 Kill function: install",
    "2021/04/12 21:45:53 Destroy() [SB 6]",
    "2021/04/12 21:45:53 Kill function: install2",
    "2021/04/12 21:45:53 Destroy() [SB 7]",
    "2021/04/12 21:45:54 Kill function: install3",
    "2021/04/12 21:45:54 Destroy() [SB 9]",
    "2021/04/12 21:45:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:45:54 remove worker.pid",
    "2021/04/12 21:45:54 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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": ""
  },
  "seconds": 0.1697680950164795,
  "total_seconds": 0.40338945388793945,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 72,
    "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": 3,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 2,
    "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": 165,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 11,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 3,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 2,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 165
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:45:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:45:54 remove worker.pid",
    "2021/04/12 21:45:54 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": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": ""
  },
  "seconds": 0.8178513050079346,
  "total_seconds": 1.0489540100097656,
  "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": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 2,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 2,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 2,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 2,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1,
    "LambdaFunc.Invoke.ms-avg": 814,
    "Pause().cnt": 2,
    "Pause().ms-avg": 2,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 656,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 814
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:45:55 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:55 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:55 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:55 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:55 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:55 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:45:55 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:45:55 remove worker.pid",
    "2021/04/12 21:45:55 exiting",
    ""
  ]
}
PUSH conf: {'mem_pool_mb': 500}
========================================
numpy_test
========================================
RUN ./ol worker -p=test-dir --detach
{'version': '1.19.5', 'result': 15}
RUN ./ol kill -p=test-dir
{
  "test": "numpy_test",
  "params": {},
  "pass": true,
  "conf": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "import_cache_tree": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "sandbox_config": {}
  },
  "seconds": 40.81573414802551,
  "total_seconds": 41.07242465019226,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 13,
    "Channel().ms-avg": 0,
    "Create().cnt": 14,
    "Create().ms-avg": 106,
    "Create()/acquire-cgroup.cnt": 14,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 14,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 5,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 9,
    "Create()/fresh-proc.ms-avg": 157,
    "Create()/make-root-fs.cnt": 14,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 14,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 14,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 14,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 14,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 8158,
    "Pause().cnt": 10,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 560,
    "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": 31,
    "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": 5,
    "pull-package.cnt": 8,
    "pull-package.ms-avg": 4718,
    "web-request.cnt": 5,
    "web-request.ms-avg": 8158
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:46:36 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:36 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:36 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:36 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:36 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:36 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:36 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:46:36 remove worker.pid",
    "2021/04/12 21:46:36 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
========================================
sock_churn {'seconds': 5, 'fork': False, 'procs': 1, 'baseline': 0}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 5,
    "fork": false,
    "procs": 1,
    "baseline": 0
  },
  "pass": true,
  "conf": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox_config": {},
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    }
  },
  "seconds": 5.105379581451416,
  "total_seconds": 5.228464841842651,
  "stats": {
    "sandboxes_per_sec": 6.2
  },
  "ol-stats": {
    "Create().cnt": 31,
    "Create().ms-avg": 146,
    "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": 141,
    "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": [
    "2021/04/12 21:46:42 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:42 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:42 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:42 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:42 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:42 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:42 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:46:42 remove worker.pid",
    "2021/04/12 21:46:42 exiting",
    ""
  ]
}
========================================
sock_churn {'seconds': 10, 'fork': True, 'procs': 1, 'baseline': 0}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 10,
    "fork": true,
    "procs": 1,
    "baseline": 0
  },
  "pass": true,
  "conf": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox_config": {},
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    }
  },
  "seconds": 10.183565616607666,
  "total_seconds": 10.417875528335571,
  "stats": {
    "sandboxes_per_sec": 45.3
  },
  "ol-stats": {
    "Create().cnt": 454,
    "Create().ms-avg": 10,
    "Create()/acquire-cgroup.cnt": 454,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 454,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 453,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 454,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 907,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 454,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 454,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 454,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 453,
    "childExit().ms-avg": 0,
    "fork().cnt": 453,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 453,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 471,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 453,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:46:52 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:52 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:52 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:52 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:52 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:52 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:46:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:46:52 remove worker.pid",
    "2021/04/12 21:46:52 exiting",
    ""
  ]
}
========================================
sock_churn {'seconds': 10, 'fork': True, 'procs': 15, 'baseline': 0}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 10,
    "fork": true,
    "procs": 15,
    "baseline": 0
  },
  "pass": true,
  "conf": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox_config": {},
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    }
  },
  "seconds": 10.368723392486572,
  "total_seconds": 10.595929861068726,
  "stats": {
    "sandboxes_per_sec": 45.8
  },
  "ol-stats": {
    "Create().cnt": 459,
    "Create().ms-avg": 88,
    "Create()/acquire-cgroup.cnt": 459,
    "Create()/acquire-cgroup.ms-avg": 1,
    "Create()/acquire-mem.cnt": 459,
    "Create()/acquire-mem.ms-avg": 16,
    "Create()/fork-proc.cnt": 458,
    "Create()/fork-proc.ms-avg": 67,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 133,
    "Create()/make-root-fs.cnt": 459,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 917,
    "Destroy().ms-avg": 52,
    "Destroy()/detach-root.cnt": 459,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 459,
    "Destroy()/kill-procs.ms-avg": 12,
    "Destroy()/remove-root.cnt": 459,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 458,
    "childExit().ms-avg": 66,
    "fork().cnt": 458,
    "fork().ms-avg": 67,
    "forkRequest.cnt": 458,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 476,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 458,
    "move-to-cg-after-fork.ms-avg": 3
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:47:03 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:03 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:03 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:03 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:03 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:03 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:47:03 remove worker.pid",
    "2021/04/12 21:47:03 exiting",
    ""
  ]
}
========================================
sock_churn {'seconds': 10, 'fork': True, 'procs': 1, 'baseline': 32}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 10,
    "fork": true,
    "procs": 1,
    "baseline": 32
  },
  "pass": true,
  "conf": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox_config": {},
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    }
  },
  "seconds": 10.80158281326294,
  "total_seconds": 11.269459009170532,
  "stats": {
    "sandboxes_per_sec": 44.3
  },
  "ol-stats": {
    "Create().cnt": 476,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 476,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 476,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 475,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 132,
    "Create()/make-root-fs.cnt": 476,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 919,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 476,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 476,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 476,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 475,
    "childExit().ms-avg": 0,
    "fork().cnt": 475,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 475,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 493,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 475,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:47:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:47:14 remove worker.pid",
    "2021/04/12 21:47:14 exiting",
    ""
  ]
}
========================================
sock_churn {'seconds': 10, 'fork': True, 'procs': 15, 'baseline': 32}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 10,
    "fork": true,
    "procs": 15,
    "baseline": 32
  },
  "pass": true,
  "conf": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox_config": {},
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    }
  },
  "seconds": 11.145991325378418,
  "total_seconds": 11.487852811813354,
  "stats": {
    "sandboxes_per_sec": 41.8
  },
  "ol-stats": {
    "Create().cnt": 451,
    "Create().ms-avg": 84,
    "Create()/acquire-cgroup.cnt": 451,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 451,
    "Create()/acquire-mem.ms-avg": 58,
    "Create()/fork-proc.cnt": 450,
    "Create()/fork-proc.ms-avg": 22,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 248,
    "Create()/make-root-fs.cnt": 451,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 869,
    "Destroy().ms-avg": 39,
    "Destroy()/detach-root.cnt": 451,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 451,
    "Destroy()/kill-procs.ms-avg": 5,
    "Destroy()/remove-root.cnt": 451,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 450,
    "childExit().ms-avg": 21,
    "fork().cnt": 450,
    "fork().ms-avg": 22,
    "forkRequest.cnt": 450,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 468,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 450,
    "move-to-cg-after-fork.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:47:25 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:25 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:25 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:25 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:25 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:25 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:25 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:47:25 remove worker.pid",
    "2021/04/12 21:47:25 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry': '/tmp/tmp6hidpx5n', '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": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "import_cache_tree": "",
    "mem_pool_mb": 500,
    "registry_cache_ms": 3000,
    "registry": "/tmp/tmp6hidpx5n",
    "pip_mirror": "",
    "sandbox_config": {}
  },
  "seconds": 6.027346134185791,
  "total_seconds": 6.2712438106536865,
  "stats": null,
  "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": 1716,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1719,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1716,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1715,
    "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": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 1716,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:47:32 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:32 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:32 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:32 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:32 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:32 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:32 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:47:32 remove worker.pid",
    "2021/04/12 21:47:32 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp6hidpx5n', '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": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": ""
  },
  "seconds": 15.04294753074646,
  "total_seconds": 15.2728853225708,
  "stats": {
    "reqs_per_sec": 292.8666666666667
  },
  "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": 138,
    "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": 4393,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4396,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4393,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4392,
    "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": 4393,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:47:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:47:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:47:47 remove worker.pid",
    "2021/04/12 21:47:47 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": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": ""
  },
  "seconds": 15.045055866241455,
  "total_seconds": 15.274412870407104,
  "stats": {
    "reqs_per_sec": 285.73333333333335
  },
  "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": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4286,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3816,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4286,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3812,
    "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": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4286,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:48:02 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:02 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:02 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:02 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:02 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:02 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:02 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:48:02 remove worker.pid",
    "2021/04/12 21:48:02 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": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "import_cache_tree": ""
  },
  "seconds": 15.060073375701904,
  "total_seconds": 15.28956413269043,
  "stats": {
    "reqs_per_sec": 266.6666666666667
  },
  "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": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "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": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4000,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 3049,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4000,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3045,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 2,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 4000,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:48:17 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:17 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:17 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:17 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:17 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:17 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:17 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:48:17 remove worker.pid",
    "2021/04/12 21:48:17 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmp4m6ymq26'}
========================================
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": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": true,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "registry": "/tmp/tmp4m6ymq26",
    "pip_mirror": "",
    "import_cache_tree": ""
  },
  "seconds": 2.7341792583465576,
  "total_seconds": 3.1850697994232178,
  "stats": {
    "reqs_per_sec": 36.574413508915
  },
  "ol-stats": {
    "Channel().cnt": 100,
    "Channel().ms-avg": 0,
    "Create().cnt": 101,
    "Create().ms-avg": 6,
    "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": 4,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 158,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 23,
    "Pause().cnt": 200,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 5,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 57,
    "evict.ms-avg": 10,
    "fork().cnt": 100,
    "fork().ms-avg": 4,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 3,
    "fresh-cgroup.cnt": 67,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 23
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:48:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:48:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:48:21 remove worker.pid",
    "2021/04/12 21:48:21 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp4m6ymq26'}
PUSH conf: {'registry': '/tmp/tmpj9qbjp4w'}
========================================
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": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "limits": {
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10
    },
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox_config": {},
    "mem_pool_mb": 500,
    "registry": "/tmp/tmpj9qbjp4w",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": true,
      "downsize_paused_mem": true,
      "import_cache": true
    }
  },
  "seconds": 41.66452598571777,
  "total_seconds": 42.2214469909668,
  "stats": {
    "reqs_per_sec": 24.00124889005846
  },
  "ol-stats": {
    "Channel().cnt": 1000,
    "Channel().ms-avg": 0,
    "Create().cnt": 1001,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 1001,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 1001,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1000,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 1982,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 6,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 37,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 18,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 3,
    "evict.cnt": 981,
    "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": 37
  },
  "errors": [],
  "worker_tail": [
    "2021/04/12 21:49:03 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:49:03 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:49:03 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:49:03 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:49:03 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:49:03 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/12 21:49:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/12 21:49:03 remove worker.pid",
    "2021/04/12 21:49:03 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpj9qbjp4w'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0