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_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "sandbox": "sock",
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 2.234840154647827,
  "total_seconds": 2.5150234699249268,
  "stats": {
    "pings_per_sec": 447.46344806514355
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:44:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:44:22 remove worker.pid",
    "2020/04/01 21:44:22 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_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "sandbox": "sock",
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": false
    },
    "worker_port": "5000"
  },
  "seconds": 9.6165292263031,
  "total_seconds": 9.8534836769104,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 282,
    "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": 281,
    "Create()/make-root-fs.cnt": 10,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 10,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 10,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 10,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 2390,
    "Pause().cnt": 4,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 110,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 8,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1183,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2390
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:44:31 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:31 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:31 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:31 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:31 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:31 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:31 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:44:31 remove worker.pid",
    "2020/04/01 21:44:31 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_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 6.378698825836182,
  "total_seconds": 6.6196608543396,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 93,
    "Create()/acquire-cgroup.cnt": 11,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 11,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 4,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 139,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 11,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 11,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 11,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 11,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 1587,
    "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": 7,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 28,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 4,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 992,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1587
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:44:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:44:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:44:38 remove worker.pid",
    "2020/04/01 21:44:38 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
PUSH conf: {'sandbox': 'docker', 'features': {'import_cache': False}}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "sandbox": "docker",
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": false
    },
    "worker_port": "5000"
  },
  "seconds": 23.364360809326172,
  "total_seconds": 24.79013752937317,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 819,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 385,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 5829,
    "Pause().cnt": 4,
    "Pause().ms-avg": 119,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 3045,
    "web-request.cnt": 4,
    "web-request.ms-avg": 5829
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:45:02 Kill function: install",
    "2020/04/01 21:45:02 Destroy() [SB 6]",
    "2020/04/01 21:45:02 Kill function: install2",
    "2020/04/01 21:45:02 Destroy() [SB 7]",
    "2020/04/01 21:45:03 Kill function: install3",
    "2020/04/01 21:45:03 Destroy() [SB 9]",
    "2020/04/01 21:45:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:45:03 remove worker.pid",
    "2020/04/01 21:45:03 exiting",
    ""
  ]
}
POP conf: {'sandbox': 'docker', 'features': {'import_cache': False}}
========================================
fork_bomb
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "fork_bomb",
  "params": {},
  "pass": true,
  "conf": {
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 0.1800086498260498,
  "total_seconds": 0.41434216499328613,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 78,
    "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": 138,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 2,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 2,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 2,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 2,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1,
    "LambdaFunc.Invoke.ms-avg": 176,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 12,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 176
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:45:03 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:03 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:03 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:03 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:03 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:03 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:45:03 remove worker.pid",
    "2020/04/01 21:45:03 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_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 0.878070592880249,
  "total_seconds": 1.1099600791931152,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 77,
    "Create()/acquire-cgroup.cnt": 2,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 2,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 139,
    "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": 874,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 708,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 6,
    "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": 1,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 1,
    "web-request.ms-avg": 874
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:45:04 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:04 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:04 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:04 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:04 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:04 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:04 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:45:04 remove worker.pid",
    "2020/04/01 21:45:04 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": {
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 45.1373496055603,
  "total_seconds": 45.378212690353394,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 120,
    "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": 6,
    "Create()/fresh-proc.cnt": 8,
    "Create()/fresh-proc.ms-avg": 145,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 27,
    "Destroy().cnt": 13,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 13,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 13,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 13,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 9022,
    "Pause().cnt": 10,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 279,
    "Unpause().cnt": 4,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 5,
    "childExit().ms-avg": 0,
    "fork().cnt": 5,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 5,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 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": 116,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 6076,
    "web-request.cnt": 5,
    "web-request.ms-avg": 9023
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:45:50 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:50 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:50 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:50 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:50 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:50 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:50 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:45:50 remove worker.pid",
    "2020/04/01 21:45:50 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, 'seconds': 5, 'fork': False}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "baseline": 0,
    "seconds": 5,
    "fork": false
  },
  "pass": true,
  "conf": {
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "sock",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 5.209579944610596,
  "total_seconds": 5.433452367782593,
  "stats": {
    "sandboxes_per_sec": 6.2
  },
  "ol-stats": {
    "Create().cnt": 31,
    "Create().ms-avg": 147,
    "Create()/acquire-cgroup.cnt": 31,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 31,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 31,
    "Create()/fresh-proc.ms-avg": 139,
    "Create()/make-root-fs.cnt": 31,
    "Create()/make-root-fs.ms-avg": 7,
    "Destroy().cnt": 62,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 31,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 31,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 31,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 48,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:45:55 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:55 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:55 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:55 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:55 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:55 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:45:55 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:45:55 remove worker.pid",
    "2020/04/01 21:45:55 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'baseline': 0, 'seconds': 10, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "baseline": 0,
    "seconds": 10,
    "fork": true
  },
  "pass": true,
  "conf": {
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "sock",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 10.18239712715149,
  "total_seconds": 10.417416334152222,
  "stats": {
    "sandboxes_per_sec": 43.1
  },
  "ol-stats": {
    "Create().cnt": 432,
    "Create().ms-avg": 11,
    "Create()/acquire-cgroup.cnt": 432,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 432,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 431,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 133,
    "Create()/make-root-fs.cnt": 432,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 863,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 432,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 432,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 432,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 431,
    "childExit().ms-avg": 0,
    "fork().cnt": 431,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 431,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 449,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 431,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:46:06 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:06 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:06 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:06 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:06 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:06 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:06 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:46:06 remove worker.pid",
    "2020/04/01 21:46:06 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'baseline': 0, 'seconds': 10, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "baseline": 0,
    "seconds": 10,
    "fork": true
  },
  "pass": true,
  "conf": {
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "sock",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 10.37625002861023,
  "total_seconds": 10.604145288467407,
  "stats": {
    "sandboxes_per_sec": 45.5
  },
  "ol-stats": {
    "Create().cnt": 456,
    "Create().ms-avg": 87,
    "Create()/acquire-cgroup.cnt": 456,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 456,
    "Create()/acquire-mem.ms-avg": 15,
    "Create()/fork-proc.cnt": 455,
    "Create()/fork-proc.ms-avg": 66,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 456,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 911,
    "Destroy().ms-avg": 55,
    "Destroy()/detach-root.cnt": 456,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 456,
    "Destroy()/kill-procs.ms-avg": 14,
    "Destroy()/remove-root.cnt": 456,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 455,
    "childExit().ms-avg": 69,
    "fork().cnt": 455,
    "fork().ms-avg": 66,
    "forkRequest.cnt": 455,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 473,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 455,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:46:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:46:16 remove worker.pid",
    "2020/04/01 21:46:16 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'baseline': 32, 'seconds': 10, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "baseline": 32,
    "seconds": 10,
    "fork": true
  },
  "pass": true,
  "conf": {
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "sock",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 10.885161638259888,
  "total_seconds": 11.222082138061523,
  "stats": {
    "sandboxes_per_sec": 44.0
  },
  "ol-stats": {
    "Create().cnt": 473,
    "Create().ms-avg": 6,
    "Create()/acquire-cgroup.cnt": 473,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 473,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 472,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 136,
    "Create()/make-root-fs.cnt": 473,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 913,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 473,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 473,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 473,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 472,
    "childExit().ms-avg": 0,
    "fork().cnt": 472,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 472,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 490,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 472,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:46:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:46:27 remove worker.pid",
    "2020/04/01 21:46:27 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'baseline': 32, 'seconds': 10, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "baseline": 32,
    "seconds": 10,
    "fork": true
  },
  "pass": true,
  "conf": {
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "sock",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 11.029400825500488,
  "total_seconds": 11.375185012817383,
  "stats": {
    "sandboxes_per_sec": 42.0
  },
  "ol-stats": {
    "Create().cnt": 453,
    "Create().ms-avg": 128,
    "Create()/acquire-cgroup.cnt": 453,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 453,
    "Create()/acquire-mem.ms-avg": 73,
    "Create()/fork-proc.cnt": 452,
    "Create()/fork-proc.ms-avg": 51,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 153,
    "Create()/make-root-fs.cnt": 453,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 873,
    "Destroy().ms-avg": 49,
    "Destroy()/detach-root.cnt": 453,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 453,
    "Destroy()/kill-procs.ms-avg": 13,
    "Destroy()/remove-root.cnt": 453,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 1,
    "childExit().cnt": 452,
    "childExit().ms-avg": 54,
    "fork().cnt": 452,
    "fork().ms-avg": 51,
    "forkRequest.cnt": 452,
    "forkRequest.ms-avg": 9,
    "fresh-cgroup.cnt": 470,
    "fresh-cgroup.ms-avg": 2,
    "move-to-cg-after-fork.cnt": 452,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:46:39 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:39 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:39 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:39 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:39 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:39 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:39 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:46:39 remove worker.pid",
    "2020/04/01 21:46:39 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry': '/tmp/tmpxjio8_uo', '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_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 3000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "sandbox": "sock",
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "registry": "/tmp/tmpxjio8_uo",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 6.035052299499512,
  "total_seconds": 6.277072191238403,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 47,
    "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": 153,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1707,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1710,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1707,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1706,
    "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": 1707,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:46:45 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:45 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:45 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:45 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:45 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:45 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:46:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:46:45 remove worker.pid",
    "2020/04/01 21:46:45 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpxjio8_uo', '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_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 15.043085098266602,
  "total_seconds": 15.273918628692627,
  "stats": {
    "reqs_per_sec": 286.8666666666667
  },
  "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": 139,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4303,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4306,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4303,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4302,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4303,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:47:00 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:00 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:00 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:00 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:00 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:00 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:00 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:47:00 remove worker.pid",
    "2020/04/01 21:47:00 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_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 15.044735670089722,
  "total_seconds": 15.276474952697754,
  "stats": {
    "reqs_per_sec": 290.4
  },
  "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": 135,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4356,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3936,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4356,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3932,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4356,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:47:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:47:16 remove worker.pid",
    "2020/04/01 21:47:16 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_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 15.071160554885864,
  "total_seconds": 15.303231716156006,
  "stats": {
    "reqs_per_sec": 264.8666666666667
  },
  "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": 138,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 3973,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 3081,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3973,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3077,
    "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": 4,
    "web-request.cnt": 3973,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:47:31 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:31 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:31 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:31 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:31 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:31 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:31 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:47:31 remove worker.pid",
    "2020/04/01 21:47:31 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpfqg_60fl'}
========================================
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_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "sandbox": "sock",
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "registry": "/tmp/tmpfqg_60fl",
    "features": {
      "reuse_cgroups": true,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 2.9133424758911133,
  "total_seconds": 3.421107292175293,
  "stats": {
    "reqs_per_sec": 34.32512721636357
  },
  "ol-stats": {
    "Channel().cnt": 100,
    "Channel().ms-avg": 0,
    "Create().cnt": 101,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 101,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 101,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 100,
    "Create()/fork-proc.ms-avg": 5,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 136,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 154,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 25,
    "Pause().cnt": 200,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 6,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 53,
    "evict.ms-avg": 10,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 70,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 25
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:47:34 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:34 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:34 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:34 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:34 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:34 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:47:34 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:47:34 remove worker.pid",
    "2020/04/01 21:47:34 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpfqg_60fl'}
PUSH conf: {'registry': '/tmp/tmp_ge08p24'}
========================================
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_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "package": false,
      "memory": false
    },
    "limits": {
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0,
      "procs": 10
    },
    "mem_pool_mb": 500,
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "pip_mirror": "",
    "sandbox": "sock",
    "registry": "/tmp/tmp_ge08p24",
    "features": {
      "reuse_cgroups": true,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "worker_port": "5000"
  },
  "seconds": 43.26631426811218,
  "total_seconds": 43.70466756820679,
  "stats": {
    "reqs_per_sec": 23.112682615532112
  },
  "ol-stats": {
    "Channel().cnt": 1000,
    "Channel().ms-avg": 0,
    "Create().cnt": 1001,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 1001,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 1001,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1000,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1982,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 7,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 39,
    "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": 981,
    "evict.ms-avg": 11,
    "fork().cnt": 1000,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1000,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 40,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1000,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1000,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 39
  },
  "errors": [],
  "worker_tail": [
    "2020/04/01 21:48:18 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:48:18 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:48:18 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:48:18 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:48:18 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:48:18 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/04/01 21:48:18 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/04/01 21:48:18 remove worker.pid",
    "2020/04/01 21:48:18 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp_ge08p24'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0