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": {
    "registry_cache_ms": 5000,
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": "",
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "sandbox": "sock",
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 2.2066612243652344,
  "total_seconds": 2.524245262145996,
  "stats": {
    "pings_per_sec": 453.17782774785866
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:43:43 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:43 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:43 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:43 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:43 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:43 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:43:43 remove worker.pid",
    "2019/11/08 21:43:43 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": {
    "registry_cache_ms": 5000,
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": "",
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "sandbox": "sock",
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": false
    },
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 9.267562866210938,
  "total_seconds": 9.5055410861969,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 256,
    "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": 254,
    "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": 2304,
    "Pause().cnt": 4,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 46,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 10,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1218,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2304
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:43:53 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:53 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:53 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:53 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:53 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:53 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:53 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:43:53 remove worker.pid",
    "2019/11/08 21:43:53 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": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 5.969920873641968,
  "total_seconds": 6.2115318775177,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 92,
    "Create()/acquire-cgroup.cnt": 11,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 11,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 4,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 139,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 11,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 11,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 11,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 11,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 1484,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 43,
    "Unpause().cnt": 3,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 4,
    "childExit().ms-avg": 0,
    "fork().cnt": 4,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 28,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 4,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 924,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1484
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:43:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:43:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:43:59 remove worker.pid",
    "2019/11/08 21:43:59 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
PUSH conf: {'features': {'import_cache': False}, 'sandbox': 'docker'}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "registry_cache_ms": 5000,
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": "",
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "sandbox": "docker",
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": false
    },
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 18.40058469772339,
  "total_seconds": 19.42516303062439,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 807,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 243,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 4589,
    "Pause().cnt": 4,
    "Pause().ms-avg": 30,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 3,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2249,
    "web-request.cnt": 4,
    "web-request.ms-avg": 4589
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:44:18 Kill function: install",
    "2019/11/08 21:44:18 Destroy() [SB 6]",
    "2019/11/08 21:44:18 Kill function: install2",
    "2019/11/08 21:44:18 Destroy() [SB 7]",
    "2019/11/08 21:44:18 Kill function: install3",
    "2019/11/08 21:44:18 Destroy() [SB 9]",
    "2019/11/08 21:44:18 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:44:18 remove worker.pid",
    "2019/11/08 21:44:18 exiting",
    ""
  ]
}
POP conf: {'features': {'import_cache': False}, 'sandbox': 'docker'}
========================================
fork_bomb
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "fork_bomb",
  "params": {},
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 0.3173339366912842,
  "total_seconds": 0.5507972240447998,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 76,
    "Create()/acquire-cgroup.cnt": 2,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 2,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1,
    "Create()/fork-proc.ms-avg": 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": 313,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 12,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 141,
    "web-request.cnt": 1,
    "web-request.ms-avg": 313
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:44:19 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:19 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:19 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:19 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:19 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:19 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:19 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:44:19 remove worker.pid",
    "2019/11/08 21:44:19 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": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 0.8419477939605713,
  "total_seconds": 1.0765182971954346,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 75,
    "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": 5,
    "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": 838,
    "Pause().cnt": 2,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 675,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 838
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:44:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:44:20 remove worker.pid",
    "2019/11/08 21:44:20 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": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 24.832957983016968,
  "total_seconds": 25.073630809783936,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 113,
    "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": 147,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 20,
    "Destroy().cnt": 13,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 13,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 13,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 13,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 4962,
    "Pause().cnt": 10,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 251,
    "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": 5,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 3295,
    "web-request.cnt": 5,
    "web-request.ms-avg": 4962
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:44:45 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:45 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:45 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:45 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:45 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:45 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:44:45 remove worker.pid",
    "2019/11/08 21:44:45 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
========================================
sock_churn {'procs': 1, 'seconds': 5, 'fork': False, 'baseline': 0}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "seconds": 5,
    "fork": false,
    "baseline": 0
  },
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "sock",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 5.221676826477051,
  "total_seconds": 5.443300008773804,
  "stats": {
    "sandboxes_per_sec": 6.2
  },
  "ol-stats": {
    "Create().cnt": 31,
    "Create().ms-avg": 149,
    "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": 144,
    "Create()/make-root-fs.cnt": 31,
    "Create()/make-root-fs.ms-avg": 4,
    "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": [
    "2019/11/08 21:44:51 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:51 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:51 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:51 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:51 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:51 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:44:51 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:44:51 remove worker.pid",
    "2019/11/08 21:44:51 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'seconds': 10, 'fork': True, 'baseline': 0}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "seconds": 10,
    "fork": true,
    "baseline": 0
  },
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "sock",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 10.179786443710327,
  "total_seconds": 10.417270421981812,
  "stats": {
    "sandboxes_per_sec": 44.5
  },
  "ol-stats": {
    "Create().cnt": 446,
    "Create().ms-avg": 11,
    "Create()/acquire-cgroup.cnt": 446,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 446,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 445,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 133,
    "Create()/make-root-fs.cnt": 446,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 891,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 446,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 446,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 446,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 445,
    "childExit().ms-avg": 0,
    "fork().cnt": 445,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 445,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 463,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 445,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:45:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:45:01 remove worker.pid",
    "2019/11/08 21:45:01 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'seconds': 10, 'fork': True, 'baseline': 0}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "seconds": 10,
    "fork": true,
    "baseline": 0
  },
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "sock",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 10.407939910888672,
  "total_seconds": 10.6454496383667,
  "stats": {
    "sandboxes_per_sec": 44.9
  },
  "ol-stats": {
    "Create().cnt": 450,
    "Create().ms-avg": 91,
    "Create()/acquire-cgroup.cnt": 450,
    "Create()/acquire-cgroup.ms-avg": 1,
    "Create()/acquire-mem.cnt": 450,
    "Create()/acquire-mem.ms-avg": 16,
    "Create()/fork-proc.cnt": 449,
    "Create()/fork-proc.ms-avg": 69,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 450,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 899,
    "Destroy().ms-avg": 53,
    "Destroy()/detach-root.cnt": 450,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 450,
    "Destroy()/kill-procs.ms-avg": 13,
    "Destroy()/remove-root.cnt": 450,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 449,
    "childExit().ms-avg": 65,
    "fork().cnt": 449,
    "fork().ms-avg": 69,
    "forkRequest.cnt": 449,
    "forkRequest.ms-avg": 11,
    "fresh-cgroup.cnt": 467,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 449,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:45:12 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:12 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:12 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:12 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:12 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:12 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:12 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:45:12 remove worker.pid",
    "2019/11/08 21:45:12 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'seconds': 10, 'fork': True, 'baseline': 32}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "seconds": 10,
    "fork": true,
    "baseline": 32
  },
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "sock",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 10.80027151107788,
  "total_seconds": 11.159090995788574,
  "stats": {
    "sandboxes_per_sec": 43.5
  },
  "ol-stats": {
    "Create().cnt": 468,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 468,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 468,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 467,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 468,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 903,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 468,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 468,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 468,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 467,
    "childExit().ms-avg": 0,
    "fork().cnt": 467,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 467,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 485,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 467,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:45:23 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:23 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:23 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:23 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:23 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:23 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:45:23 remove worker.pid",
    "2019/11/08 21:45:23 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'seconds': 10, 'fork': True, 'baseline': 32}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "seconds": 10,
    "fork": true,
    "baseline": 32
  },
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "sock",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 11.152191638946533,
  "total_seconds": 11.60783839225769,
  "stats": {
    "sandboxes_per_sec": 41.4
  },
  "ol-stats": {
    "Create().cnt": 447,
    "Create().ms-avg": 127,
    "Create()/acquire-cgroup.cnt": 447,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 447,
    "Create()/acquire-mem.ms-avg": 73,
    "Create()/fork-proc.cnt": 446,
    "Create()/fork-proc.ms-avg": 50,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 153,
    "Create()/make-root-fs.cnt": 447,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 861,
    "Destroy().ms-avg": 47,
    "Destroy()/detach-root.cnt": 447,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 447,
    "Destroy()/kill-procs.ms-avg": 12,
    "Destroy()/remove-root.cnt": 447,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 446,
    "childExit().ms-avg": 52,
    "fork().cnt": 446,
    "fork().ms-avg": 50,
    "forkRequest.cnt": 446,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 464,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 446,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:45:34 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:34 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:34 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:34 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:34 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:34 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:34 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:45:34 remove worker.pid",
    "2019/11/08 21:45:34 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry_cache_ms': 3000, 'registry': '/tmp/tmphsdsgii2'}
========================================
update_code
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "update_code",
  "params": {},
  "pass": true,
  "conf": {
    "registry_cache_ms": 3000,
    "registry": "/tmp/tmphsdsgii2",
    "sandbox_config": {},
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": "",
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "sandbox": "sock",
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 6.029805898666382,
  "total_seconds": 6.270423173904419,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 43,
    "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": 134,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1715,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1718,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1715,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1714,
    "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": 1715,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:45:41 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:41 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:41 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:41 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:41 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:41 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:45:41 remove worker.pid",
    "2019/11/08 21:45:41 exiting",
    ""
  ]
}
POP conf: {'registry_cache_ms': 3000, 'registry': '/tmp/tmphsdsgii2'}
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": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 15.043478965759277,
  "total_seconds": 15.275652885437012,
  "stats": {
    "reqs_per_sec": 285.26666666666665
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 44,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4279,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4282,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4279,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4278,
    "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": 1,
    "web-request.cnt": 4279,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:45:56 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:56 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:56 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:56 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:56 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:56 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:45:56 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:45:56 remove worker.pid",
    "2019/11/08 21:45:56 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": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 15.049724578857422,
  "total_seconds": 15.281212568283081,
  "stats": {
    "reqs_per_sec": 285.8666666666667
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 43,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 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": 4288,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3848,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4288,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3844,
    "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": 4288,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:46:11 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:11 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:11 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:11 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:11 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:11 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:11 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:46:11 remove worker.pid",
    "2019/11/08 21:46:11 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": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/root/open-lambda/test-registry",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 15.067047595977783,
  "total_seconds": 15.299765586853027,
  "stats": {
    "reqs_per_sec": 259.06666666666666
  },
  "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": 141,
    "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": 3886,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 2926,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3886,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2922,
    "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": 3,
    "web-request.cnt": 3886,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:46:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:46:27 remove worker.pid",
    "2019/11/08 21:46:27 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpr1n08fl2'}
========================================
call_each_once_exec {'alloc_mb': 1, 'lambda_count': 100}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "alloc_mb": 1,
    "lambda_count": 100
  },
  "pass": true,
  "conf": {
    "registry_cache_ms": 5000,
    "registry": "/tmp/tmpr1n08fl2",
    "sandbox_config": {},
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "docker_runtime": "",
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "server_mode": "lambda",
    "sandbox": "sock",
    "pip_mirror": "",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": true,
      "import_cache": true
    },
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 2.880802869796753,
  "total_seconds": 3.3120510578155518,
  "stats": {
    "reqs_per_sec": 34.71283829218924
  },
  "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": 134,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 158,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 25,
    "Pause().cnt": 200,
    "Pause().ms-avg": 10,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 6,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 57,
    "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": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 25
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:46:30 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:30 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:30 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:30 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:30 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:30 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:46:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:46:30 remove worker.pid",
    "2019/11/08 21:46:30 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpr1n08fl2'}
PUSH conf: {'registry': '/tmp/tmpxes_0pck'}
========================================
call_each_once_exec {'alloc_mb': 10, 'lambda_count': 1000}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "alloc_mb": 10,
    "lambda_count": 1000
  },
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "registry": "/tmp/tmpxes_0pck",
    "sandbox_config": {},
    "worker_port": "5000",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": true
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "sandbox": "sock",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "docker_runtime": "",
    "import_cache_tree": "",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    }
  },
  "seconds": 43.79705333709717,
  "total_seconds": 44.34873151779175,
  "stats": {
    "reqs_per_sec": 22.832600718004393
  },
  "ol-stats": {
    "Channel().cnt": 1000,
    "Channel().ms-avg": 0,
    "Create().cnt": 1001,
    "Create().ms-avg": 8,
    "Create()/acquire-cgroup.cnt": 1001,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 1001,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1000,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 131,
    "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": 41,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1000,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1000,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 39
  },
  "errors": [],
  "worker_tail": [
    "2019/11/08 21:47:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:47:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:47:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:47:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:47:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:47:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/08 21:47:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/08 21:47:14 remove worker.pid",
    "2019/11/08 21:47:14 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpxes_0pck'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0