python3 -u test.py
RUN ./ol new -p=test-dir
PUSH conf: {'limits': {'installer_mem_mb': 250}}
PUSH conf: {'registry': '/root/open-lambda/test-registry'}
========================================
ping_test
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "ping_test",
  "params": {},
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "mem_pool_mb": 500
  },
  "seconds": 2.5259029865264893,
  "total_seconds": 2.79314923286438,
  "stats": {
    "pings_per_sec": 395.90149884202015
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:51:53 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:51:53 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:51:53 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:51:53 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:51:53 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:51:53 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:51:53 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:51:53 remove worker.pid",
    "2021/02/12 21:51:53 exiting",
    ""
  ]
}
PUSH conf: {'features': {'import_cache': False}}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 16.214239597320557,
  "total_seconds": 16.45391869544983,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 549,
    "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": 548,
    "Create()/make-root-fs.cnt": 10,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 10,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 10,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 10,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 4041,
    "Pause().cnt": 4,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 142,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 33,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1818,
    "web-request.cnt": 4,
    "web-request.ms-avg": 4041
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:52:10 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:10 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:10 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:10 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:10 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:10 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:10 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:52:10 remove worker.pid",
    "2021/02/12 21:52:10 exiting",
    ""
  ]
}
POP conf: {'features': {'import_cache': False}}
PUSH conf: {'mem_pool_mb': 500}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 7.986268043518066,
  "total_seconds": 8.228348731994629,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 96,
    "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": 8,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 143,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 11,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 11,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 11,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 11,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 1987,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 46,
    "Unpause().cnt": 3,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 4,
    "childExit().ms-avg": 0,
    "fork().cnt": 4,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 7,
    "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": 1256,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1987
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:52:18 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:18 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:18 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:18 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:18 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:18 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:18 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:52:18 remove worker.pid",
    "2021/02/12 21:52:18 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
PUSH conf: {'features': {'import_cache': False}, 'sandbox': 'docker'}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "sandbox": "docker",
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "mem_pool_mb": 500
  },
  "seconds": 25.96025323867798,
  "total_seconds": 27.087164878845215,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 1580,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 354,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 6477,
    "Pause().cnt": 4,
    "Pause().ms-avg": 33,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 3,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2355,
    "web-request.cnt": 4,
    "web-request.ms-avg": 6477
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:52:44 Kill function: install2",
    "2021/02/12 21:52:44 Destroy() [SB 7]",
    "2021/02/12 21:52:45 Kill function: install3",
    "2021/02/12 21:52:45 Destroy() [SB 9]",
    "2021/02/12 21:52:45 Kill function: echo",
    "2021/02/12 21:52:45 Destroy() [SB 0]",
    "2021/02/12 21:52:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:52:45 remove worker.pid",
    "2021/02/12 21:52:45 exiting",
    ""
  ]
}
POP conf: {'features': {'import_cache': False}, 'sandbox': 'docker'}
========================================
fork_bomb
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "fork_bomb",
  "params": {},
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 0.19106006622314453,
  "total_seconds": 0.42767953872680664,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 80,
    "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": 145,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 3,
    "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": 186,
    "Pause().cnt": 2,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 14,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 2,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 1,
    "web-request.ms-avg": 186
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:52:46 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:46 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:46 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:46 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:46 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:46 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:46 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:52:46 remove worker.pid",
    "2021/02/12 21:52:46 exiting",
    ""
  ]
}
========================================
max_mem_alloc
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "max_mem_alloc",
  "params": {},
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 0.926116943359375,
  "total_seconds": 1.1615660190582275,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 81,
    "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": 144,
    "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": 921,
    "Pause().cnt": 2,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 747,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 1,
    "web-request.ms-avg": 921
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:52:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:52:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:52:47 remove worker.pid",
    "2021/02/12 21:52:47 exiting",
    ""
  ]
}
PUSH conf: {'mem_pool_mb': 500}
========================================
numpy_test
========================================
RUN ./ol worker -p=test-dir --detach
{'result': 15, 'version': '1.19.5'}
RUN ./ol kill -p=test-dir
{
  "test": "numpy_test",
  "params": {},
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "sandbox": "sock",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 70.52522039413452,
  "total_seconds": 70.77649092674255,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 13,
    "Channel().ms-avg": 0,
    "Create().cnt": 14,
    "Create().ms-avg": 97,
    "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": 8,
    "Create()/fresh-proc.cnt": 9,
    "Create()/fresh-proc.ms-avg": 143,
    "Create()/make-root-fs.cnt": 14,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 14,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 14,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 14,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 14,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 14100,
    "Pause().cnt": 10,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 581,
    "Unpause().cnt": 4,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 5,
    "childExit().ms-avg": 0,
    "fork().cnt": 5,
    "fork().ms-avg": 8,
    "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": 4,
    "pull-package.cnt": 8,
    "pull-package.ms-avg": 8415,
    "web-request.cnt": 5,
    "web-request.ms-avg": 14100
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:53:57 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:53:57 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:53:57 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:53:57 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:53:57 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:53:57 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:53:57 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:53:57 remove worker.pid",
    "2021/02/12 21:53:57 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 {'procs': 1, 'fork': False, 'baseline': 0, 'seconds': 5}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "fork": false,
    "baseline": 0,
    "seconds": 5
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "sock",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-dir/registry",
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 5.175671339035034,
  "total_seconds": 5.4014527797698975,
  "stats": {
    "sandboxes_per_sec": 5.6
  },
  "ol-stats": {
    "Create().cnt": 28,
    "Create().ms-avg": 155,
    "Create()/acquire-cgroup.cnt": 28,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 28,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 28,
    "Create()/fresh-proc.ms-avg": 151,
    "Create()/make-root-fs.cnt": 28,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 56,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 28,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 28,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 28,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 45,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:54:03 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:03 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:03 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:03 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:03 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:03 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:54:03 remove worker.pid",
    "2021/02/12 21:54:03 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'fork': True, 'baseline': 0, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "fork": true,
    "baseline": 0,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "sock",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-dir/registry",
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 10.18558645248413,
  "total_seconds": 10.429073333740234,
  "stats": {
    "sandboxes_per_sec": 38.6
  },
  "ol-stats": {
    "Create().cnt": 387,
    "Create().ms-avg": 11,
    "Create()/acquire-cgroup.cnt": 387,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 387,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 386,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 139,
    "Create()/make-root-fs.cnt": 387,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 773,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 387,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 387,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 387,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 386,
    "childExit().ms-avg": 0,
    "fork().cnt": 386,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 386,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 404,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 386,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:54:13 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:13 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:13 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:13 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:13 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:13 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:13 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:54:13 remove worker.pid",
    "2021/02/12 21:54:13 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'fork': True, 'baseline': 0, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "fork": true,
    "baseline": 0,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "sock",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-dir/registry",
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 10.420140027999878,
  "total_seconds": 10.652113676071167,
  "stats": {
    "sandboxes_per_sec": 40.4
  },
  "ol-stats": {
    "Create().cnt": 405,
    "Create().ms-avg": 94,
    "Create()/acquire-cgroup.cnt": 405,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 405,
    "Create()/acquire-mem.ms-avg": 18,
    "Create()/fork-proc.cnt": 404,
    "Create()/fork-proc.ms-avg": 72,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 143,
    "Create()/make-root-fs.cnt": 405,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 809,
    "Destroy().ms-avg": 57,
    "Destroy()/detach-root.cnt": 405,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 405,
    "Destroy()/kill-procs.ms-avg": 15,
    "Destroy()/remove-root.cnt": 405,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 404,
    "childExit().ms-avg": 70,
    "fork().cnt": 404,
    "fork().ms-avg": 72,
    "forkRequest.cnt": 404,
    "forkRequest.ms-avg": 12,
    "fresh-cgroup.cnt": 422,
    "fresh-cgroup.ms-avg": 5,
    "move-to-cg-after-fork.cnt": 404,
    "move-to-cg-after-fork.ms-avg": 3
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:54:24 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:24 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:24 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:24 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:24 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:24 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:24 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:54:24 remove worker.pid",
    "2021/02/12 21:54:24 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'fork': True, 'baseline': 32, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "fork": true,
    "baseline": 32,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "sock",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-dir/registry",
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 10.900978326797485,
  "total_seconds": 11.242618083953857,
  "stats": {
    "sandboxes_per_sec": 41.3
  },
  "ol-stats": {
    "Create().cnt": 446,
    "Create().ms-avg": 8,
    "Create()/acquire-cgroup.cnt": 446,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 446,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 445,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 140,
    "Create()/make-root-fs.cnt": 446,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 859,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 446,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 446,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 446,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 1,
    "childExit().cnt": 445,
    "childExit().ms-avg": 0,
    "fork().cnt": 445,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 445,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 463,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 445,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:54:35 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:35 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:35 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:35 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:35 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:35 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:35 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:54:35 remove worker.pid",
    "2021/02/12 21:54:35 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'fork': True, 'baseline': 32, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "fork": true,
    "baseline": 32,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "sock",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-dir/registry",
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 11.150715351104736,
  "total_seconds": 11.618112325668335,
  "stats": {
    "sandboxes_per_sec": 36.8
  },
  "ol-stats": {
    "Create().cnt": 401,
    "Create().ms-avg": 142,
    "Create()/acquire-cgroup.cnt": 401,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 401,
    "Create()/acquire-mem.ms-avg": 81,
    "Create()/fork-proc.cnt": 400,
    "Create()/fork-proc.ms-avg": 54,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 231,
    "Create()/make-root-fs.cnt": 401,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 769,
    "Destroy().ms-avg": 53,
    "Destroy()/detach-root.cnt": 401,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 401,
    "Destroy()/kill-procs.ms-avg": 15,
    "Destroy()/remove-root.cnt": 401,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 1,
    "childExit().cnt": 400,
    "childExit().ms-avg": 59,
    "fork().cnt": 400,
    "fork().ms-avg": 54,
    "forkRequest.cnt": 400,
    "forkRequest.ms-avg": 11,
    "fresh-cgroup.cnt": 418,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 400,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:54:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:54:47 remove worker.pid",
    "2021/02/12 21:54:47 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry': '/tmp/tmpkdpw4a6z', '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": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "registry_cache_ms": 3000,
    "sandbox_config": {},
    "registry": "/tmp/tmpkdpw4a6z",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 6.038670778274536,
  "total_seconds": 6.27959418296814,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 84,
    "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": 303,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 4,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1543,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1546,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1543,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1542,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 17,
    "web-request.cnt": 1543,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:54:53 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:53 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:53 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:53 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:53 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:53 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:54:53 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:54:53 remove worker.pid",
    "2021/02/12 21:54:53 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpkdpw4a6z', '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": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 15.046406269073486,
  "total_seconds": 15.28154468536377,
  "stats": {
    "reqs_per_sec": 274.6666666666667
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 46,
    "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": 143,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4120,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4123,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4120,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4119,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4120,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:55:08 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:08 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:08 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:08 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:08 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:08 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:08 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:55:08 remove worker.pid",
    "2021/02/12 21:55:08 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'procs': 2, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 2,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 15.052464723587036,
  "total_seconds": 15.289222002029419,
  "stats": {
    "reqs_per_sec": 277.53333333333336
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 46,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 142,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4163,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3708,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4163,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3704,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4163,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:55:24 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:24 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:24 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:24 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:24 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:24 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:24 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:55:24 remove worker.pid",
    "2021/02/12 21:55:24 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'procs': 8, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 8,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/root/open-lambda/test-registry",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 15.074406862258911,
  "total_seconds": 15.310340642929077,
  "stats": {
    "reqs_per_sec": 243.0
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 46,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 141,
    "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": 1,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 3645,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 2785,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3645,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2781,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 5,
    "web-request.cnt": 3645,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:55:39 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:39 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:39 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:39 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:39 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:39 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:39 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:55:39 remove worker.pid",
    "2021/02/12 21:55:39 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpmkdy_vv3'}
========================================
call_each_once_exec {'lambda_count': 100, 'alloc_mb': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "lambda_count": 100,
    "alloc_mb": 1
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/tmp/tmpmkdy_vv3",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "features": {
      "reuse_cgroups": true,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500
  },
  "seconds": 3.2931134700775146,
  "total_seconds": 3.8370578289031982,
  "stats": {
    "reqs_per_sec": 30.36799373048469
  },
  "ol-stats": {
    "Channel().cnt": 100,
    "Channel().ms-avg": 0,
    "Create().cnt": 101,
    "Create().ms-avg": 8,
    "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": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 142,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 150,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 28,
    "Pause().cnt": 200,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 7,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 4,
    "evict.cnt": 49,
    "evict.ms-avg": 13,
    "fork().cnt": 100,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 5,
    "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": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 28
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:55:43 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:43 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:43 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:43 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:43 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:43 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:55:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:55:43 remove worker.pid",
    "2021/02/12 21:55:43 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpmkdy_vv3'}
PUSH conf: {'registry': '/tmp/tmpp8ngbw20'}
========================================
call_each_once_exec {'lambda_count': 1000, 'alloc_mb': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "lambda_count": 1000,
    "alloc_mb": 10
  },
  "pass": true,
  "conf": {
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "pip_mirror": "",
    "docker_runtime": "",
    "server_mode": "lambda",
    "registry_cache_ms": 5000,
    "sandbox_config": {},
    "registry": "/tmp/tmpp8ngbw20",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "features": {
      "reuse_cgroups": true,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 49.31887912750244,
  "total_seconds": 49.883681774139404,
  "stats": {
    "reqs_per_sec": 20.276225713667788
  },
  "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": 152,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1982,
    "Destroy().ms-avg": 7,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 9,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 44,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 21,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 5,
    "evict.cnt": 981,
    "evict.ms-avg": 15,
    "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": 44
  },
  "errors": [],
  "worker_tail": [
    "2021/02/12 21:56:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:56:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:56:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:56:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:56:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:56:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/02/12 21:56:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/02/12 21:56:33 remove worker.pid",
    "2021/02/12 21:56:33 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpp8ngbw20'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0