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": {
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    }
  },
  "seconds": 2.1907596588134766,
  "total_seconds": 2.454730749130249,
  "stats": {
    "pings_per_sec": 456.46659301769915
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:51:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:51:21 remove worker.pid",
    "2021/03/19 21:51:21 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": {
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    }
  },
  "seconds": 13.230916500091553,
  "total_seconds": 13.467509508132935,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 443,
    "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": 441,
    "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": 3283,
    "Pause().cnt": 4,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 165,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 8,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1472,
    "web-request.cnt": 4,
    "web-request.ms-avg": 3283
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:51:35 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:35 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:35 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:35 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:35 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:35 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:35 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:51:35 remove worker.pid",
    "2021/03/19 21:51:35 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": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 6.668217420578003,
  "total_seconds": 6.905433177947998,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 90,
    "Create()/acquire-cgroup.cnt": 11,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 11,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 4,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 135,
    "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": 1657,
    "Pause().cnt": 8,
    "Pause().ms-avg": 3,
    "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": 7,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 28,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 4,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1041,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1657
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:51:41 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:41 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:41 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:41 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:41 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:41 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:51:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:51:41 remove worker.pid",
    "2021/03/19 21:51:41 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": {
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "sandbox_config": {},
    "sandbox": "docker",
    "docker_runtime": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    }
  },
  "seconds": 27.558958768844604,
  "total_seconds": 28.793760538101196,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 1396,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 448,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 6876,
    "Pause().cnt": 4,
    "Pause().ms-avg": 85,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 3,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 3005,
    "web-request.cnt": 4,
    "web-request.ms-avg": 6876
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:52:09 Kill function: install",
    "2021/03/19 21:52:09 Destroy() [SB 6]",
    "2021/03/19 21:52:10 Kill function: install2",
    "2021/03/19 21:52:10 Destroy() [SB 7]",
    "2021/03/19 21:52:10 Kill function: install3",
    "2021/03/19 21:52:10 Destroy() [SB 9]",
    "2021/03/19 21:52:10 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:52:10 remove worker.pid",
    "2021/03/19 21:52:10 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": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 3.2846479415893555,
  "total_seconds": 3.519932270050049,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 1624,
    "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": 5,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 3234,
    "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": 3280,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 23,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 3280
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:52:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:52:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:52:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:52:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:52:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:52:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:52:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:52:14 remove worker.pid",
    "2021/03/19 21:52:14 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": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 0.8493120670318604,
  "total_seconds": 1.084179162979126,
  "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": 845,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 681,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "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": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 1,
    "web-request.ms-avg": 845
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:52:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:52:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:52:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:52:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:52:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:52:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:52:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:52:15 remove worker.pid",
    "2021/03/19 21:52:15 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": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 70.1718099117279,
  "total_seconds": 70.40784454345703,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 13,
    "Channel().ms-avg": 0,
    "Create().cnt": 14,
    "Create().ms-avg": 135,
    "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": 140,
    "Create()/make-root-fs.cnt": 14,
    "Create()/make-root-fs.ms-avg": 42,
    "Destroy().cnt": 14,
    "Destroy().ms-avg": 54,
    "Destroy()/detach-root.cnt": 14,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 14,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 14,
    "Destroy()/remove-root.ms-avg": 51,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 14030,
    "Pause().cnt": 10,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 503,
    "Unpause().cnt": 4,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 5,
    "childExit().ms-avg": 0,
    "fork().cnt": 5,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 5,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 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": 16,
    "pull-package.cnt": 8,
    "pull-package.ms-avg": 8410,
    "web-request.cnt": 5,
    "web-request.ms-avg": 14030
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:53:25 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:25 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:25 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:25 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:25 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:25 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:25 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:53:25 remove worker.pid",
    "2021/03/19 21:53:25 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'mem_pool_mb': 500, 'server_mode': 'sock'}
========================================
sock_churn {'procs': 1, 'seconds': 5, 'fork': False, 'baseline': 0}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "seconds": 5,
    "fork": false,
    "baseline": 0
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "sock",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 5.103733777999878,
  "total_seconds": 5.2252748012542725,
  "stats": {
    "sandboxes_per_sec": 5.2
  },
  "ol-stats": {
    "Create().cnt": 26,
    "Create().ms-avg": 176,
    "Create()/acquire-cgroup.cnt": 26,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 26,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 26,
    "Create()/fresh-proc.ms-avg": 169,
    "Create()/make-root-fs.cnt": 26,
    "Create()/make-root-fs.ms-avg": 6,
    "Destroy().cnt": 52,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 26,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 26,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 26,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 43,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:53:31 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:31 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:31 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:31 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:31 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:31 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:31 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:53:31 remove worker.pid",
    "2021/03/19 21:53:31 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'seconds': 10, 'fork': True, 'baseline': 0}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "seconds": 10,
    "fork": true,
    "baseline": 0
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "sock",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 10.224292755126953,
  "total_seconds": 10.444951057434082,
  "stats": {
    "sandboxes_per_sec": 49.8
  },
  "ol-stats": {
    "Create().cnt": 499,
    "Create().ms-avg": 9,
    "Create()/acquire-cgroup.cnt": 499,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 499,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 498,
    "Create()/fork-proc.ms-avg": 5,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 127,
    "Create()/make-root-fs.cnt": 499,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 997,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 499,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 499,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 499,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 498,
    "childExit().ms-avg": 0,
    "fork().cnt": 498,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 498,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 516,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 498,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:53:41 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:41 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:41 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:41 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:41 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:41 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:53:41 remove worker.pid",
    "2021/03/19 21:53:41 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'seconds': 10, 'fork': True, 'baseline': 0}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "seconds": 10,
    "fork": true,
    "baseline": 0
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "sock",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 10.321462869644165,
  "total_seconds": 10.562259674072266,
  "stats": {
    "sandboxes_per_sec": 50.0
  },
  "ol-stats": {
    "Create().cnt": 501,
    "Create().ms-avg": 73,
    "Create()/acquire-cgroup.cnt": 501,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 501,
    "Create()/acquire-mem.ms-avg": 13,
    "Create()/fork-proc.cnt": 500,
    "Create()/fork-proc.ms-avg": 57,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 132,
    "Create()/make-root-fs.cnt": 501,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1001,
    "Destroy().ms-avg": 44,
    "Destroy()/detach-root.cnt": 501,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 501,
    "Destroy()/kill-procs.ms-avg": 10,
    "Destroy()/remove-root.cnt": 501,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 500,
    "childExit().ms-avg": 53,
    "fork().cnt": 500,
    "fork().ms-avg": 57,
    "forkRequest.cnt": 500,
    "forkRequest.ms-avg": 9,
    "fresh-cgroup.cnt": 518,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 500,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:53:52 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:52 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:52 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:52 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:52 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:52 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:53:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:53:52 remove worker.pid",
    "2021/03/19 21:53:52 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'seconds': 10, 'fork': True, 'baseline': 32}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "seconds": 10,
    "fork": true,
    "baseline": 32
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "sock",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 10.757155656814575,
  "total_seconds": 11.095040798187256,
  "stats": {
    "sandboxes_per_sec": 47.9
  },
  "ol-stats": {
    "Create().cnt": 512,
    "Create().ms-avg": 6,
    "Create()/acquire-cgroup.cnt": 512,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 512,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 511,
    "Create()/fork-proc.ms-avg": 5,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 149,
    "Create()/make-root-fs.cnt": 512,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 991,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 512,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 512,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 512,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 511,
    "childExit().ms-avg": 0,
    "fork().cnt": 511,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 511,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 529,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 511,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:54:03 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:03 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:03 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:03 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:03 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:03 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:54:03 remove worker.pid",
    "2021/03/19 21:54:03 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'seconds': 10, 'fork': True, 'baseline': 32}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "seconds": 10,
    "fork": true,
    "baseline": 32
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "sock",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 10.961411237716675,
  "total_seconds": 11.779890537261963,
  "stats": {
    "sandboxes_per_sec": 43.7
  },
  "ol-stats": {
    "Create().cnt": 470,
    "Create().ms-avg": 123,
    "Create()/acquire-cgroup.cnt": 470,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 470,
    "Create()/acquire-mem.ms-avg": 70,
    "Create()/fork-proc.cnt": 469,
    "Create()/fork-proc.ms-avg": 43,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 167,
    "Create()/make-root-fs.cnt": 470,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 907,
    "Destroy().ms-avg": 38,
    "Destroy()/detach-root.cnt": 470,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 470,
    "Destroy()/kill-procs.ms-avg": 8,
    "Destroy()/remove-root.cnt": 470,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 469,
    "childExit().ms-avg": 44,
    "fork().cnt": 469,
    "fork().ms-avg": 43,
    "forkRequest.cnt": 469,
    "forkRequest.ms-avg": 9,
    "fresh-cgroup.cnt": 487,
    "fresh-cgroup.ms-avg": 5,
    "move-to-cg-after-fork.cnt": 469,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:54:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:54:14 remove worker.pid",
    "2021/03/19 21:54:14 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500, 'server_mode': 'sock'}
PUSH conf: {'registry': '/tmp/tmp6afcqnie', '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": {
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 3000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry": "/tmp/tmp6afcqnie",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    }
  },
  "seconds": 6.028620958328247,
  "total_seconds": 6.264484167098999,
  "stats": null,
  "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": 148,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1655,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1658,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1655,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1654,
    "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": 22,
    "web-request.cnt": 1655,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:54:23 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:23 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:23 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:23 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:23 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:23 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:54:23 remove worker.pid",
    "2021/03/19 21:54:23 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp6afcqnie', 'registry_cache_ms': 3000}
PUSH conf: {'registry': '/root/open-lambda/test-registry'}
========================================
stress_one_lambda {'procs': 1, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 1,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 15.03614354133606,
  "total_seconds": 15.265813112258911,
  "stats": {
    "reqs_per_sec": 284.1333333333333
  },
  "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": 2,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4262,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4265,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4262,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4261,
    "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": 4262,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:54:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:54:38 remove worker.pid",
    "2021/03/19 21:54:38 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'procs': 2, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 2,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 15.041092157363892,
  "total_seconds": 15.270845651626587,
  "stats": {
    "reqs_per_sec": 282.1333333333333
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 41,
    "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": 131,
    "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": 4232,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3914,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4232,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3910,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 4232,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:54:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:54:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:54:54 remove worker.pid",
    "2021/03/19 21:54:54 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'procs': 8, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 8,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 15.059616565704346,
  "total_seconds": 15.29064679145813,
  "stats": {
    "reqs_per_sec": 270.73333333333335
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 44,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4061,
    "LambdaFunc.Invoke.ms-avg": 3,
    "Pause().cnt": 2757,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4061,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2753,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 4061,
    "web-request.ms-avg": 3
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:55:09 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:09 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:09 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:09 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:09 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:09 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:09 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:55:09 remove worker.pid",
    "2021/03/19 21:55:09 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpp3pmetci'}
========================================
call_each_once_exec {'lambda_count': 100, 'alloc_mb': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "lambda_count": 100,
    "alloc_mb": 1
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "features": {
      "reuse_cgroups": true,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry": "/tmp/tmpp3pmetci",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    }
  },
  "seconds": 2.8720412254333496,
  "total_seconds": 3.3455958366394043,
  "stats": {
    "reqs_per_sec": 34.81874520643969
  },
  "ol-stats": {
    "Channel().cnt": 100,
    "Channel().ms-avg": 0,
    "Create().cnt": 101,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 101,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 101,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 100,
    "Create()/fork-proc.ms-avg": 5,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 136,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 157,
    "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": 25,
    "Pause().cnt": 200,
    "Pause().ms-avg": 10,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 6,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 56,
    "evict.ms-avg": 10,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 70,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 100,
    "web-request.ms-avg": 25
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:55:12 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:12 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:12 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:12 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:12 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:12 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:12 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:55:12 remove worker.pid",
    "2021/03/19 21:55:12 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpp3pmetci'}
PUSH conf: {'registry': '/tmp/tmpr5x5n7nj'}
========================================
call_each_once_exec {'lambda_count': 1000, 'alloc_mb': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "lambda_count": 1000,
    "alloc_mb": 10
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": true,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "server_mode": "lambda",
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "registry_cache_ms": 5000,
    "worker_port": "5000",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "registry": "/tmp/tmpr5x5n7nj",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "docker_runtime": ""
  },
  "seconds": 44.742244720458984,
  "total_seconds": 45.267802715301514,
  "stats": {
    "reqs_per_sec": 22.350253974054993
  },
  "ol-stats": {
    "Channel().cnt": 1000,
    "Channel().ms-avg": 0,
    "Create().cnt": 1001,
    "Create().ms-avg": 9,
    "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": 252,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 2,
    "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": 40,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 10,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 20,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 3,
    "evict.cnt": 981,
    "evict.ms-avg": 10,
    "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": 41
  },
  "errors": [],
  "worker_tail": [
    "2021/03/19 21:55:58 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:58 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:58 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:58 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:58 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:58 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/03/19 21:55:58 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/03/19 21:55:58 remove worker.pid",
    "2021/03/19 21:55:58 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpr5x5n7nj'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0