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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    }
  },
  "seconds": 2.2054238319396973,
  "total_seconds": 2.563899278640747,
  "stats": {
    "pings_per_sec": 453.43204477084475
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:42:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:42:27 remove worker.pid",
    "2019/08/19 21:42:27 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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": false
    },
    "worker_port": "5000",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    }
  },
  "seconds": 9.283434867858887,
  "total_seconds": 9.522531986236572,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 271,
    "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": 269,
    "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": 2311,
    "Pause().cnt": 4,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 63,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 5,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1184,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2311
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:42:36 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:36 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:36 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:36 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:36 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:36 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:36 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:42:36 remove worker.pid",
    "2019/08/19 21:42:36 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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 6.2378716468811035,
  "total_seconds": 6.475151777267456,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 94,
    "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": 141,
    "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": 1551,
    "Pause().cnt": 8,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 60,
    "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": 5,
    "fresh-cgroup.cnt": 28,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 4,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 958,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1551
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:42:43 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:43 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:43 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:43 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:43 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:43 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:42:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:42:43 remove worker.pid",
    "2019/08/19 21:42:43 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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "docker",
    "registry": "/root/open-lambda/test-registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": false
    },
    "worker_port": "5000",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    }
  },
  "seconds": 18.775250911712646,
  "total_seconds": 19.80215048789978,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 817,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 247,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 4683,
    "Pause().cnt": 4,
    "Pause().ms-avg": 30,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 2,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2257,
    "web-request.cnt": 4,
    "web-request.ms-avg": 4683
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:43:02 Kill function: install",
    "2019/08/19 21:43:02 Destroy() [SB 6]",
    "2019/08/19 21:43:02 Kill function: install2",
    "2019/08/19 21:43:02 Destroy() [SB 7]",
    "2019/08/19 21:43:02 Kill function: install3",
    "2019/08/19 21:43:02 Destroy() [SB 9]",
    "2019/08/19 21:43:02 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:43:02 remove worker.pid",
    "2019/08/19 21:43:02 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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 0.1804676055908203,
  "total_seconds": 0.4125807285308838,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 77,
    "Create()/acquire-cgroup.cnt": 2,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 2,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "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": 11,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "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": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 5,
    "web-request.cnt": 1,
    "web-request.ms-avg": 176
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:43:03 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:03 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:03 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:03 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:03 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:03 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:43:03 remove worker.pid",
    "2019/08/19 21:43:03 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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 0.8581385612487793,
  "total_seconds": 1.0902166366577148,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 77,
    "Create()/acquire-cgroup.cnt": 2,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 2,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 2,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 2,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 2,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 2,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1,
    "LambdaFunc.Invoke.ms-avg": 854,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 689,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "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": 5,
    "web-request.cnt": 1,
    "web-request.ms-avg": 854
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:43:04 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:04 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:04 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:04 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:04 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:04 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:04 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:43:04 remove worker.pid",
    "2019/08/19 21:43:04 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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 27.212408781051636,
  "total_seconds": 27.460982084274292,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 96,
    "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": 149,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 13,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 13,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 13,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 13,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 5438,
    "Pause().cnt": 10,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 268,
    "Unpause().cnt": 4,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 5,
    "childExit().ms-avg": 0,
    "fork().cnt": 5,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 5,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 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": 5,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 3656,
    "web-request.cnt": 5,
    "web-request.ms-avg": 5438
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:43:31 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:31 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:31 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:31 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:31 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:31 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:31 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:43:31 remove worker.pid",
    "2019/08/19 21:43:31 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 {'fork': False, 'procs': 1, 'baseline': 0, 'seconds': 5}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "fork": false,
    "procs": 1,
    "baseline": 0,
    "seconds": 5
  },
  "pass": true,
  "conf": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "sock",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 5.16020941734314,
  "total_seconds": 5.3816282749176025,
  "stats": {
    "sandboxes_per_sec": 6.2
  },
  "ol-stats": {
    "Create().cnt": 31,
    "Create().ms-avg": 148,
    "Create()/acquire-cgroup.cnt": 31,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 31,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 31,
    "Create()/fresh-proc.ms-avg": 141,
    "Create()/make-root-fs.cnt": 31,
    "Create()/make-root-fs.ms-avg": 5,
    "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": [
    "2019/08/19 21:43:37 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:37 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:37 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:37 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:37 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:37 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:37 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:43:37 remove worker.pid",
    "2019/08/19 21:43:37 exiting",
    ""
  ]
}
========================================
sock_churn {'fork': True, 'procs': 1, 'baseline': 0, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "fork": true,
    "procs": 1,
    "baseline": 0,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "sock",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 10.16486382484436,
  "total_seconds": 10.391738653182983,
  "stats": {
    "sandboxes_per_sec": 46.5
  },
  "ol-stats": {
    "Create().cnt": 466,
    "Create().ms-avg": 10,
    "Create()/acquire-cgroup.cnt": 466,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 466,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 465,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 466,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 931,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 466,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 466,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 466,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 465,
    "childExit().ms-avg": 0,
    "fork().cnt": 465,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 465,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 483,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 465,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:43:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:43:47 remove worker.pid",
    "2019/08/19 21:43:47 exiting",
    ""
  ]
}
========================================
sock_churn {'fork': True, 'procs': 15, 'baseline': 0, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "fork": true,
    "procs": 15,
    "baseline": 0,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "sock",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 10.370672225952148,
  "total_seconds": 10.592627763748169,
  "stats": {
    "sandboxes_per_sec": 46.5
  },
  "ol-stats": {
    "Create().cnt": 466,
    "Create().ms-avg": 73,
    "Create()/acquire-cgroup.cnt": 466,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 466,
    "Create()/acquire-mem.ms-avg": 16,
    "Create()/fork-proc.cnt": 465,
    "Create()/fork-proc.ms-avg": 53,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 466,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 931,
    "Destroy().ms-avg": 43,
    "Destroy()/detach-root.cnt": 466,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 466,
    "Destroy()/kill-procs.ms-avg": 10,
    "Destroy()/remove-root.cnt": 466,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 465,
    "childExit().ms-avg": 51,
    "fork().cnt": 465,
    "fork().ms-avg": 53,
    "forkRequest.cnt": 465,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 483,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 465,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:43:58 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:58 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:58 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:58 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:58 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:58 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:43:58 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:43:58 remove worker.pid",
    "2019/08/19 21:43:58 exiting",
    ""
  ]
}
========================================
sock_churn {'fork': True, 'procs': 1, 'baseline': 32, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "fork": true,
    "procs": 1,
    "baseline": 32,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "sock",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 10.792250156402588,
  "total_seconds": 11.126223087310791,
  "stats": {
    "sandboxes_per_sec": 44.9
  },
  "ol-stats": {
    "Create().cnt": 482,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 482,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 482,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 481,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 482,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 931,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 482,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 482,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 482,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 481,
    "childExit().ms-avg": 0,
    "fork().cnt": 481,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 481,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 499,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 481,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:44:09 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:09 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:09 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:09 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:09 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:09 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:09 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:44:09 remove worker.pid",
    "2019/08/19 21:44:09 exiting",
    ""
  ]
}
========================================
sock_churn {'fork': True, 'procs': 15, 'baseline': 32, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "fork": true,
    "procs": 15,
    "baseline": 32,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-dir/registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "sock",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 11.074446678161621,
  "total_seconds": 11.43243670463562,
  "stats": {
    "sandboxes_per_sec": 41.0
  },
  "ol-stats": {
    "Create().cnt": 443,
    "Create().ms-avg": 138,
    "Create()/acquire-cgroup.cnt": 443,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 443,
    "Create()/acquire-mem.ms-avg": 77,
    "Create()/fork-proc.cnt": 442,
    "Create()/fork-proc.ms-avg": 57,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 170,
    "Create()/make-root-fs.cnt": 443,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 853,
    "Destroy().ms-avg": 50,
    "Destroy()/detach-root.cnt": 443,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 443,
    "Destroy()/kill-procs.ms-avg": 12,
    "Destroy()/remove-root.cnt": 443,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 442,
    "childExit().ms-avg": 62,
    "fork().cnt": 442,
    "fork().ms-avg": 57,
    "forkRequest.cnt": 442,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 460,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 442,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:44:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:44:20 remove worker.pid",
    "2019/08/19 21:44:20 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry': '/tmp/tmps2der7qy', '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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/tmp/tmps2der7qy",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 3000,
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    }
  },
  "seconds": 6.035356521606445,
  "total_seconds": 6.278889179229736,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 45,
    "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": 148,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1701,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1704,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1701,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1700,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 5,
    "web-request.cnt": 1701,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:44:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:44:27 remove worker.pid",
    "2019/08/19 21:44:27 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmps2der7qy', '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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.04582405090332,
  "total_seconds": 15.279249668121338,
  "stats": {
    "reqs_per_sec": 284.53333333333336
  },
  "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": 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": 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": 4268,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4271,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4268,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4267,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4268,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:44:42 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:42 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:42 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:42 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:42 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:42 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:42 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:44:42 remove worker.pid",
    "2019/08/19 21:44:42 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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.049565315246582,
  "total_seconds": 15.28072714805603,
  "stats": {
    "reqs_per_sec": 286.06666666666666
  },
  "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": 4,
    "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": 4291,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3976,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4291,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3972,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 4291,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:44:57 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:57 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:57 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:57 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:57 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:57 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:44:57 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:44:57 remove worker.pid",
    "2019/08/19 21:44:57 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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/root/open-lambda/test-registry",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.064831972122192,
  "total_seconds": 15.298494338989258,
  "stats": {
    "reqs_per_sec": 257.6666666666667
  },
  "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": 3865,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 3002,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3865,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2998,
    "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": 3865,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:45:12 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:12 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:12 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:12 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:12 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:12 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:12 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:45:12 remove worker.pid",
    "2019/08/19 21:45:12 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpjve3r72n'}
========================================
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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/tmp/tmpjve3r72n",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": true,
      "import_cache": true
    },
    "worker_port": "5000",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    }
  },
  "seconds": 2.8594508171081543,
  "total_seconds": 3.337026357650757,
  "stats": {
    "reqs_per_sec": 34.97317625061526
  },
  "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": 139,
    "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": 2,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 24,
    "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": 68,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 100,
    "web-request.ms-avg": 24
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:45:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:45:16 remove worker.pid",
    "2019/08/19 21:45:16 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpjve3r72n'}
PUSH conf: {'registry': '/tmp/tmpito1d4z5'}
========================================
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": {
    "import_cache_tree": "",
    "docker_runtime": "",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "registry": "/tmp/tmpito1d4z5",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": true,
      "import_cache": true
    },
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 43.0320041179657,
  "total_seconds": 43.58067560195923,
  "stats": {
    "reqs_per_sec": 23.238572924825064
  },
  "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": 1981,
    "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": 8,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 19,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 3,
    "evict.cnt": 980,
    "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": 3,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 39
  },
  "errors": [],
  "worker_tail": [
    "2019/08/19 21:45:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/19 21:45:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/19 21:45:59 remove worker.pid",
    "2019/08/19 21:45:59 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpito1d4z5'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0