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": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "docker_runtime": ""
  },
  "seconds": 2.1534290313720703,
  "total_seconds": 2.2443032264709473,
  "stats": {
    "pings_per_sec": 464.38253667348613
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:44:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:44:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:44:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:44:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:44:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:44:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:44:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:44:54 remove worker.pid",
    "2020/06/10 21:44:54 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": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": false,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "docker_runtime": ""
  },
  "seconds": 9.835573673248291,
  "total_seconds": 10.0805823802948,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 292,
    "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": 290,
    "Create()/make-root-fs.cnt": 10,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 10,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 10,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 10,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 2449,
    "Pause().cnt": 4,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 46,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 7,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1254,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2449
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:45:04 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:04 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:04 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:04 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:04 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:04 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:04 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:45:04 remove worker.pid",
    "2020/06/10 21:45:04 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": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 6.5202696323394775,
  "total_seconds": 6.761143684387207,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 92,
    "Create()/acquire-cgroup.cnt": 11,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 11,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 4,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 11,
    "Destroy().ms-avg": 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": 1622,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 43,
    "Unpause().cnt": 3,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 4,
    "childExit().ms-avg": 0,
    "fork().cnt": 4,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 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": 1017,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1622
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:45:10 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:10 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:10 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:10 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:10 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:10 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:10 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:45:10 remove worker.pid",
    "2020/06/10 21:45:10 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": {
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "docker",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": false,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "docker_runtime": ""
  },
  "seconds": 22.064294815063477,
  "total_seconds": 23.09272003173828,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 1001,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 232,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 5504,
    "Pause().cnt": 4,
    "Pause().ms-avg": 27,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2555,
    "web-request.cnt": 4,
    "web-request.ms-avg": 5504
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:45:33 Kill function: echo",
    "2020/06/10 21:45:33 Destroy() [SB 0]",
    "2020/06/10 21:45:33 Kill function: install",
    "2020/06/10 21:45:33 Destroy() [SB 6]",
    "2020/06/10 21:45:33 Kill function: install2",
    "2020/06/10 21:45:33 Destroy() [SB 7]",
    "2020/06/10 21:45:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:45:33 remove worker.pid",
    "2020/06/10 21:45:33 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": {
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 0.18013620376586914,
  "total_seconds": 0.41443371772766113,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 76,
    "Create()/acquire-cgroup.cnt": 2,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 2,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1,
    "Create()/fork-proc.ms-avg": 4,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 144,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 2,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 2,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 2,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 2,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1,
    "LambdaFunc.Invoke.ms-avg": 176,
    "Pause().cnt": 2,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 12,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 4,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 4,
    "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": 176
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:45:34 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:34 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:34 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:34 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:34 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:34 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:34 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:45:34 remove worker.pid",
    "2020/06/10 21:45:34 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": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 0.8285822868347168,
  "total_seconds": 1.0621557235717773,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 76,
    "Create()/acquire-cgroup.cnt": 2,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 2,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 2,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 2,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 2,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 2,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1,
    "LambdaFunc.Invoke.ms-avg": 824,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 665,
    "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": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 824
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:45:35 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:35 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:35 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:35 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:35 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:35 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:45:35 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:45:35 remove worker.pid",
    "2020/06/10 21:45:35 exiting",
    ""
  ]
}
PUSH conf: {'mem_pool_mb': 500}
========================================
numpy_test
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "numpy_test",
  "params": {},
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 45.82367968559265,
  "total_seconds": 46.059489488601685,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 105,
    "Create()/acquire-cgroup.cnt": 13,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 13,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 5,
    "Create()/fork-proc.ms-avg": 5,
    "Create()/fresh-proc.cnt": 8,
    "Create()/fresh-proc.ms-avg": 152,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 9,
    "Destroy().cnt": 13,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 13,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 13,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 13,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 9160,
    "Pause().cnt": 10,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 342,
    "Unpause().cnt": 4,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 5,
    "childExit().ms-avg": 0,
    "fork().cnt": 5,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 5,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 30,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 5,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 5,
    "pull-lambda.ms-avg": 6,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 6236,
    "web-request.cnt": 5,
    "web-request.ms-avg": 9160
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:46:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:46:21 remove worker.pid",
    "2020/06/10 21:46:21 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, 'baseline': 0, 'fork': False, 'seconds': 5}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "baseline": 0,
    "fork": false,
    "seconds": 5
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 5.140176296234131,
  "total_seconds": 5.3644797801971436,
  "stats": {
    "sandboxes_per_sec": 6.4
  },
  "ol-stats": {
    "Create().cnt": 32,
    "Create().ms-avg": 142,
    "Create()/acquire-cgroup.cnt": 32,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 32,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 32,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 32,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 64,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 32,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 32,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 32,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 49,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:46:26 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:26 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:26 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:26 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:26 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:26 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:26 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:46:26 remove worker.pid",
    "2020/06/10 21:46:26 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'baseline': 0, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "baseline": 0,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 10.167437314987183,
  "total_seconds": 10.402045249938965,
  "stats": {
    "sandboxes_per_sec": 45.3
  },
  "ol-stats": {
    "Create().cnt": 454,
    "Create().ms-avg": 10,
    "Create()/acquire-cgroup.cnt": 454,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 454,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 453,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 136,
    "Create()/make-root-fs.cnt": 454,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 907,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 454,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 454,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 454,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 453,
    "childExit().ms-avg": 0,
    "fork().cnt": 453,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 453,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 471,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 453,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:46:37 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:37 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:37 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:37 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:37 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:37 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:37 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:46:37 remove worker.pid",
    "2020/06/10 21:46:37 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'baseline': 0, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "baseline": 0,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 10.440757751464844,
  "total_seconds": 10.669327974319458,
  "stats": {
    "sandboxes_per_sec": 45.7
  },
  "ol-stats": {
    "Create().cnt": 458,
    "Create().ms-avg": 85,
    "Create()/acquire-cgroup.cnt": 458,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 458,
    "Create()/acquire-mem.ms-avg": 13,
    "Create()/fork-proc.cnt": 457,
    "Create()/fork-proc.ms-avg": 68,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 458,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 915,
    "Destroy().ms-avg": 52,
    "Destroy()/detach-root.cnt": 458,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 458,
    "Destroy()/kill-procs.ms-avg": 13,
    "Destroy()/remove-root.cnt": 458,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 457,
    "childExit().ms-avg": 67,
    "fork().cnt": 457,
    "fork().ms-avg": 68,
    "forkRequest.cnt": 457,
    "forkRequest.ms-avg": 11,
    "fresh-cgroup.cnt": 475,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 457,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:46:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:46:47 remove worker.pid",
    "2020/06/10 21:46:47 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'baseline': 32, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "baseline": 32,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 10.805145025253296,
  "total_seconds": 11.147272109985352,
  "stats": {
    "sandboxes_per_sec": 47.5
  },
  "ol-stats": {
    "Create().cnt": 508,
    "Create().ms-avg": 6,
    "Create()/acquire-cgroup.cnt": 508,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 508,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 507,
    "Create()/fork-proc.ms-avg": 5,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 508,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 983,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 508,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 508,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 508,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 507,
    "childExit().ms-avg": 0,
    "fork().cnt": 507,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 507,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 525,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 507,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:46:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:46:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:46:59 remove worker.pid",
    "2020/06/10 21:46:59 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'baseline': 32, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "baseline": 32,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 11.058563470840454,
  "total_seconds": 11.418720006942749,
  "stats": {
    "sandboxes_per_sec": 42.0
  },
  "ol-stats": {
    "Create().cnt": 453,
    "Create().ms-avg": 123,
    "Create()/acquire-cgroup.cnt": 453,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 453,
    "Create()/acquire-mem.ms-avg": 71,
    "Create()/fork-proc.cnt": 452,
    "Create()/fork-proc.ms-avg": 50,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 145,
    "Create()/make-root-fs.cnt": 453,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 873,
    "Destroy().ms-avg": 47,
    "Destroy()/detach-root.cnt": 453,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 453,
    "Destroy()/kill-procs.ms-avg": 11,
    "Destroy()/remove-root.cnt": 453,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 452,
    "childExit().ms-avg": 54,
    "fork().cnt": 452,
    "fork().ms-avg": 50,
    "forkRequest.cnt": 452,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 470,
    "fresh-cgroup.ms-avg": 5,
    "move-to-cg-after-fork.cnt": 452,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:47:10 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:10 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:10 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:10 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:10 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:10 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:10 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:47:10 remove worker.pid",
    "2020/06/10 21:47:10 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry': '/tmp/tmpx6k_phle', '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": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry_cache_ms": 3000,
    "registry": "/tmp/tmpx6k_phle",
    "sandbox_config": {},
    "docker_runtime": ""
  },
  "seconds": 6.03394079208374,
  "total_seconds": 6.275511026382446,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 51,
    "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": 170,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 2,
    "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": 1681,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1684,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1681,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1680,
    "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": 1681,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:47:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:47:16 remove worker.pid",
    "2020/06/10 21:47:16 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpx6k_phle', '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": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 15.044772624969482,
  "total_seconds": 15.277302980422974,
  "stats": {
    "reqs_per_sec": 287.8666666666667
  },
  "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": 4,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4318,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4321,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4318,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4317,
    "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": 4318,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:47:32 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:32 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:32 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:32 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:32 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:32 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:32 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:47:32 remove worker.pid",
    "2020/06/10 21:47:32 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'procs': 2, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 2,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 15.044370174407959,
  "total_seconds": 15.277007341384888,
  "stats": {
    "reqs_per_sec": 285.0
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 44,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 139,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4275,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3873,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4275,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3869,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4275,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:47:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:47:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:47:47 remove worker.pid",
    "2020/06/10 21:47:47 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'procs': 8, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 8,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 15.067869186401367,
  "total_seconds": 15.298980951309204,
  "stats": {
    "reqs_per_sec": 275.53333333333336
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 44,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 6,
    "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": 4133,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 3090,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4133,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3086,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 1,
    "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": 3,
    "web-request.cnt": 4133,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:48:02 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:02 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:02 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:02 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:02 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:02 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:02 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:48:02 remove worker.pid",
    "2020/06/10 21:48:02 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpdvobu4mz'}
========================================
call_each_once_exec {'alloc_mb': 1, 'lambda_count': 100}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "alloc_mb": 1,
    "lambda_count": 100
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": true
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "registry": "/tmp/tmpdvobu4mz",
    "sandbox_config": {},
    "docker_runtime": ""
  },
  "seconds": 2.9174561500549316,
  "total_seconds": 3.3611557483673096,
  "stats": {
    "reqs_per_sec": 34.27672485687399
  },
  "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": 138,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 153,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 25,
    "Pause().cnt": 200,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 6,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 52,
    "evict.ms-avg": 12,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 67,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 25
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:48:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:06 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:48:06 remove worker.pid",
    "2020/06/10 21:48:06 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpdvobu4mz'}
PUSH conf: {'registry': '/tmp/tmpzju3gmy1'}
========================================
call_each_once_exec {'alloc_mb': 10, 'lambda_count': 1000}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "alloc_mb": 10,
    "lambda_count": 1000
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": true
    },
    "trace": {
      "cgroups": false,
      "memory": false,
      "evictor": false,
      "package": false
    },
    "worker_port": "5000",
    "registry": "/tmp/tmpzju3gmy1",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "docker_runtime": ""
  },
  "seconds": 45.309290647506714,
  "total_seconds": 45.88678479194641,
  "stats": {
    "reqs_per_sec": 22.07054310938416
  },
  "ol-stats": {
    "Channel().cnt": 1000,
    "Channel().ms-avg": 0,
    "Create().cnt": 1001,
    "Create().ms-avg": 8,
    "Create()/acquire-cgroup.cnt": 1001,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 1001,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1000,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1980,
    "Destroy().ms-avg": 6,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 8,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 41,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 19,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 3,
    "evict.cnt": 979,
    "evict.ms-avg": 12,
    "fork().cnt": 1000,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1000,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 41,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1000,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1000,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 41
  },
  "errors": [],
  "worker_tail": [
    "2020/06/10 21:48:51 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:51 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:51 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:51 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:51 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:51 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/06/10 21:48:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/06/10 21:48:52 remove worker.pid",
    "2020/06/10 21:48:52 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpzju3gmy1'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0