python3 -u test.py
RUN ./ol new -p=test-dir
PUSH conf: {'limits': {'installer_mem_mb': 250}}
PUSH conf: {'registry': '/root/open-lambda/test-registry'}
========================================
ping_test
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "ping_test",
  "params": {},
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 2.341878890991211,
  "total_seconds": 2.6017813682556152,
  "stats": {
    "pings_per_sec": 427.01204149800117
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:43:04 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:04 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:04 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:04 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:04 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:04 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:04 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:43:04 remove worker.pid",
    "2019/08/29 21:43:04 exiting",
    ""
  ]
}
PUSH conf: {'features': {'import_cache': False}}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": false
    },
    "docker_runtime": "",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 10.055023670196533,
  "total_seconds": 10.29843807220459,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 302,
    "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": 299,
    "Create()/make-root-fs.cnt": 10,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 10,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 10,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 10,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 2504,
    "Pause().cnt": 4,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 72,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 7,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1259,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2504
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:43:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:43:14 remove worker.pid",
    "2019/08/29 21:43:14 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": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "server_mode": "lambda",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 6.4687583446502686,
  "total_seconds": 6.711721897125244,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 96,
    "Create()/acquire-cgroup.cnt": 11,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 11,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 4,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 144,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 11,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 11,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 11,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 11,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 1608,
    "Pause().cnt": 8,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 63,
    "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": 1608
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:43:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:43:20 remove worker.pid",
    "2019/08/29 21:43:20 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
PUSH conf: {'sandbox': 'docker', 'features': {'import_cache': False}}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": false
    },
    "docker_runtime": "",
    "sandbox": "docker",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 19.813689470291138,
  "total_seconds": 20.945813417434692,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 834,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 263,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 4941,
    "Pause().cnt": 4,
    "Pause().ms-avg": 33,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 2,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2447,
    "web-request.cnt": 4,
    "web-request.ms-avg": 4941
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:43:41 Kill function: install",
    "2019/08/29 21:43:41 Destroy() [SB 6]",
    "2019/08/29 21:43:41 Kill function: install2",
    "2019/08/29 21:43:41 Destroy() [SB 7]",
    "2019/08/29 21:43:41 Kill function: install3",
    "2019/08/29 21:43:41 Destroy() [SB 9]",
    "2019/08/29 21:43:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:43:41 remove worker.pid",
    "2019/08/29 21:43:41 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": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "server_mode": "lambda",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 0.18875575065612793,
  "total_seconds": 0.4224073886871338,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 79,
    "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": 143,
    "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": 184,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 14,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 6,
    "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": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 184
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:43:42 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:42 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:42 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:42 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:42 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:42 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:42 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:43:42 remove worker.pid",
    "2019/08/29 21:43:42 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": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "server_mode": "lambda",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 0.9438247680664062,
  "total_seconds": 1.179110050201416,
  "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": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 142,
    "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": 939,
    "Pause().cnt": 2,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 752,
    "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": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 21,
    "web-request.cnt": 1,
    "web-request.ms-avg": 939
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:43:43 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:43 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:43 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:43 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:43 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:43 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:43:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:43:43 remove worker.pid",
    "2019/08/29 21:43:43 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": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "server_mode": "lambda",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 40.40538787841797,
  "total_seconds": 40.65335464477539,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 221,
    "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": 163,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 118,
    "Destroy().cnt": 13,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 13,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 13,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 13,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 8075,
    "Pause().cnt": 10,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 354,
    "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": 6,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 5260,
    "web-request.cnt": 5,
    "web-request.ms-avg": 8075
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:44:24 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:24 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:24 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:24 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:24 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:24 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:24 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:44:24 remove worker.pid",
    "2019/08/29 21:44:24 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 {'baseline': 0, 'procs': 1, 'seconds': 5, 'fork': False}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "procs": 1,
    "seconds": 5,
    "fork": false
  },
  "pass": true,
  "conf": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "server_mode": "sock",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 5.174183130264282,
  "total_seconds": 5.40147066116333,
  "stats": {
    "sandboxes_per_sec": 6.0
  },
  "ol-stats": {
    "Create().cnt": 30,
    "Create().ms-avg": 148,
    "Create()/acquire-cgroup.cnt": 30,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 30,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 30,
    "Create()/fresh-proc.ms-avg": 144,
    "Create()/make-root-fs.cnt": 30,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 60,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 30,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 30,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 30,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 47,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:44:29 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:29 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:29 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:29 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:29 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:29 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:29 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:44:29 remove worker.pid",
    "2019/08/29 21:44:29 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'procs': 1, 'seconds': 10, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "procs": 1,
    "seconds": 10,
    "fork": true
  },
  "pass": true,
  "conf": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "server_mode": "sock",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 10.176553010940552,
  "total_seconds": 10.416415452957153,
  "stats": {
    "sandboxes_per_sec": 40.5
  },
  "ol-stats": {
    "Create().cnt": 406,
    "Create().ms-avg": 11,
    "Create()/acquire-cgroup.cnt": 406,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 406,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 405,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 140,
    "Create()/make-root-fs.cnt": 406,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 811,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 406,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 406,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 406,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 405,
    "childExit().ms-avg": 0,
    "fork().cnt": 405,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 405,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 423,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 405,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:44:39 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:39 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:39 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:39 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:39 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:39 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:39 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:44:39 remove worker.pid",
    "2019/08/29 21:44:39 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'procs': 15, 'seconds': 10, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "procs": 15,
    "seconds": 10,
    "fork": true
  },
  "pass": true,
  "conf": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "server_mode": "sock",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 10.42392897605896,
  "total_seconds": 10.656250476837158,
  "stats": {
    "sandboxes_per_sec": 41.5
  },
  "ol-stats": {
    "Create().cnt": 416,
    "Create().ms-avg": 112,
    "Create()/acquire-cgroup.cnt": 416,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 416,
    "Create()/acquire-mem.ms-avg": 16,
    "Create()/fork-proc.cnt": 415,
    "Create()/fork-proc.ms-avg": 91,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 416,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 831,
    "Destroy().ms-avg": 69,
    "Destroy()/detach-root.cnt": 416,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 416,
    "Destroy()/kill-procs.ms-avg": 17,
    "Destroy()/remove-root.cnt": 416,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 415,
    "childExit().ms-avg": 92,
    "fork().cnt": 415,
    "fork().ms-avg": 90,
    "forkRequest.cnt": 415,
    "forkRequest.ms-avg": 12,
    "fresh-cgroup.cnt": 433,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 415,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:44:50 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:50 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:50 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:50 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:50 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:50 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:44:50 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:44:50 remove worker.pid",
    "2019/08/29 21:44:50 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'procs': 1, 'seconds': 10, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "procs": 1,
    "seconds": 10,
    "fork": true
  },
  "pass": true,
  "conf": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "server_mode": "sock",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 10.89573335647583,
  "total_seconds": 11.375573635101318,
  "stats": {
    "sandboxes_per_sec": 41.0
  },
  "ol-stats": {
    "Create().cnt": 443,
    "Create().ms-avg": 8,
    "Create()/acquire-cgroup.cnt": 443,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 443,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 442,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 140,
    "Create()/make-root-fs.cnt": 443,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 853,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 443,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 443,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 443,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 1,
    "childExit().cnt": 442,
    "childExit().ms-avg": 0,
    "fork().cnt": 442,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 442,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 460,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 442,
    "move-to-cg-after-fork.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:45:02 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:02 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:02 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:02 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:02 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:02 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:02 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:45:02 remove worker.pid",
    "2019/08/29 21:45:02 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'procs': 15, 'seconds': 10, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "procs": 15,
    "seconds": 10,
    "fork": true
  },
  "pass": true,
  "conf": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "server_mode": "sock",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 11.209031105041504,
  "total_seconds": 11.552083492279053,
  "stats": {
    "sandboxes_per_sec": 37.6
  },
  "ol-stats": {
    "Create().cnt": 409,
    "Create().ms-avg": 147,
    "Create()/acquire-cgroup.cnt": 409,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 409,
    "Create()/acquire-mem.ms-avg": 83,
    "Create()/fork-proc.cnt": 408,
    "Create()/fork-proc.ms-avg": 59,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 158,
    "Create()/make-root-fs.cnt": 409,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 785,
    "Destroy().ms-avg": 57,
    "Destroy()/detach-root.cnt": 409,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 409,
    "Destroy()/kill-procs.ms-avg": 15,
    "Destroy()/remove-root.cnt": 409,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 1,
    "childExit().cnt": 408,
    "childExit().ms-avg": 68,
    "fork().cnt": 408,
    "fork().ms-avg": 59,
    "forkRequest.cnt": 408,
    "forkRequest.ms-avg": 11,
    "fresh-cgroup.cnt": 426,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 408,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:45:13 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:13 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:13 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:13 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:13 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:13 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:13 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:45:13 remove worker.pid",
    "2019/08/29 21:45:13 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry': '/tmp/tmp395aa72m', 'registry_cache_ms': 3000}
========================================
update_code
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "update_code",
  "params": {},
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 3000,
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry": "/tmp/tmp395aa72m",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 6.033150672912598,
  "total_seconds": 6.384465456008911,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 48,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 151,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1596,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1599,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1596,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1595,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 5,
    "web-request.cnt": 1596,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:45:19 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:19 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:19 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:19 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:19 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:19 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:19 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:45:19 remove worker.pid",
    "2019/08/29 21:45:19 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp395aa72m', '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": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "server_mode": "lambda",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 15.046834707260132,
  "total_seconds": 15.283268451690674,
  "stats": {
    "reqs_per_sec": 269.8
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 44,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 141,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4047,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4050,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4047,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4046,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4047,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:45:35 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:35 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:35 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:35 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:35 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:35 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:35 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:45:35 remove worker.pid",
    "2019/08/29 21:45:35 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": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "server_mode": "lambda",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 15.053511142730713,
  "total_seconds": 15.289482831954956,
  "stats": {
    "reqs_per_sec": 272.26666666666665
  },
  "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": 143,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 4,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4084,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3708,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4084,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3704,
    "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": 4084,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:45:50 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:50 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:50 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:50 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:50 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:50 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:45:50 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:45:50 remove worker.pid",
    "2019/08/29 21:45:50 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": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "server_mode": "lambda",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 15.077045202255249,
  "total_seconds": 15.31304669380188,
  "stats": {
    "reqs_per_sec": 241.06666666666666
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 46,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 141,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 3616,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 2701,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3616,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2697,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 1,
    "fork().cnt": 3,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 5,
    "web-request.cnt": 3616,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:46:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:46:05 remove worker.pid",
    "2019/08/29 21:46:05 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmp5ywi0ul4'}
========================================
call_each_once_exec {'lambda_count': 100, 'alloc_mb': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "lambda_count": 100,
    "alloc_mb": 1
  },
  "pass": true,
  "conf": {
    "pip_mirror": "",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry": "/tmp/tmp5ywi0ul4",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": true,
      "import_cache": true
    },
    "docker_runtime": "",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 3.293287754058838,
  "total_seconds": 3.8565173149108887,
  "stats": {
    "reqs_per_sec": 30.36637554996152
  },
  "ol-stats": {
    "Channel().cnt": 100,
    "Channel().ms-avg": 0,
    "Create().cnt": 101,
    "Create().ms-avg": 8,
    "Create()/acquire-cgroup.cnt": 101,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 101,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 100,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 144,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 151,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 4,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 28,
    "Pause().cnt": 200,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 6,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 50,
    "evict.ms-avg": 13,
    "fork().cnt": 100,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 70,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 28
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:46:09 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:09 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:09 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:09 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:09 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:09 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:09 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:46:09 remove worker.pid",
    "2019/08/29 21:46:09 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp5ywi0ul4'}
PUSH conf: {'registry': '/tmp/tmpyrmzjm6q'}
========================================
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": {
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "registry_cache_ms": 5000,
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": true,
      "import_cache": true
    },
    "server_mode": "lambda",
    "import_cache_tree": "",
    "docker_runtime": "",
    "registry": "/tmp/tmpyrmzjm6q",
    "sandbox_config": {},
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "mem_pool_mb": 500,
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox": "sock",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 49.2366578578949,
  "total_seconds": 49.78236985206604,
  "stats": {
    "reqs_per_sec": 20.31008373704487
  },
  "ol-stats": {
    "Channel().cnt": 1000,
    "Channel().ms-avg": 0,
    "Create().cnt": 1001,
    "Create().ms-avg": 9,
    "Create()/acquire-cgroup.cnt": 1001,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 1001,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1000,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 164,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1981,
    "Destroy().ms-avg": 7,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 8,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 44,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 20,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 5,
    "evict.cnt": 980,
    "evict.ms-avg": 15,
    "fork().cnt": 1000,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1000,
    "forkRequest.ms-avg": 6,
    "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": 44
  },
  "errors": [],
  "worker_tail": [
    "2019/08/29 21:46:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/29 21:46:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/29 21:46:59 remove worker.pid",
    "2019/08/29 21:46:59 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpyrmzjm6q'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0