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": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "memory": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 2.19425368309021,
  "total_seconds": 2.418741226196289,
  "stats": {
    "pings_per_sec": 455.742504372377
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:44:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:44:38 remove worker.pid",
    "2019/10/02 21:44:38 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": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "memory": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 9.440582990646362,
  "total_seconds": 9.67997407913208,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 266,
    "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": 265,
    "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": 2351,
    "Pause().cnt": 4,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 49,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 5,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1230,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2351
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:44:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:44:47 remove worker.pid",
    "2019/10/02 21:44:47 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": {
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 6.267603158950806,
  "total_seconds": 6.50346565246582,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 94,
    "Create()/acquire-cgroup.cnt": 11,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 11,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 4,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 140,
    "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": 1559,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 44,
    "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": 7,
    "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": 974,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1559
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:44:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:44:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:44:54 remove worker.pid",
    "2019/10/02 21:44:54 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": {
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": false
    },
    "sandbox_config": {},
    "sandbox": "docker",
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "memory": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 21.957788705825806,
  "total_seconds": 22.98155975341797,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 980,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 249,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 5476,
    "Pause().cnt": 4,
    "Pause().ms-avg": 28,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 2,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2556,
    "web-request.cnt": 4,
    "web-request.ms-avg": 5476
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:45:16 Kill function: install",
    "2019/10/02 21:45:16 Destroy() [SB 6]",
    "2019/10/02 21:45:16 Kill function: install2",
    "2019/10/02 21:45:16 Destroy() [SB 7]",
    "2019/10/02 21:45:17 Kill function: install3",
    "2019/10/02 21:45:17 Destroy() [SB 9]",
    "2019/10/02 21:45:17 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:45:17 remove worker.pid",
    "2019/10/02 21:45:17 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": {
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 0.17891550064086914,
  "total_seconds": 0.4126851558685303,
  "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": 6,
    "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": 175,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 13,
    "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": 175
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:45:17 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:17 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:17 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:17 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:17 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:17 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:17 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:45:17 remove worker.pid",
    "2019/10/02 21:45:17 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": {
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 0.8453781604766846,
  "total_seconds": 1.078200101852417,
  "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": 5,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 139,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 2,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 2,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 2,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 2,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1,
    "LambdaFunc.Invoke.ms-avg": 841,
    "Pause().cnt": 2,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 678,
    "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": 841
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:45:18 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:18 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:18 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:18 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:18 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:18 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:18 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:45:18 remove worker.pid",
    "2019/10/02 21:45:18 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": {
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 30.40873622894287,
  "total_seconds": 30.682021141052246,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 123,
    "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": 9,
    "Create()/fresh-proc.cnt": 8,
    "Create()/fresh-proc.ms-avg": 164,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 18,
    "Destroy().cnt": 13,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 13,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 13,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 13,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 6078,
    "Pause().cnt": 10,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 319,
    "Unpause().cnt": 4,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 5,
    "childExit().ms-avg": 0,
    "fork().cnt": 5,
    "fork().ms-avg": 9,
    "forkRequest.cnt": 5,
    "forkRequest.ms-avg": 8,
    "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": 33,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 4026,
    "web-request.cnt": 5,
    "web-request.ms-avg": 6078
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:45:49 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:49 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:49 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:49 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:49 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:49 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:49 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:45:49 remove worker.pid",
    "2019/10/02 21:45:49 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, 'fork': False, 'seconds': 5}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "procs": 1,
    "fork": false,
    "seconds": 5
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 5.107485294342041,
  "total_seconds": 5.330051422119141,
  "stats": {
    "sandboxes_per_sec": 5.4
  },
  "ol-stats": {
    "Create().cnt": 27,
    "Create().ms-avg": 170,
    "Create()/acquire-cgroup.cnt": 27,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 27,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 27,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 27,
    "Create()/make-root-fs.ms-avg": 32,
    "Destroy().cnt": 54,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 27,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 27,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 27,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 44,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:45:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:45:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:45:54 remove worker.pid",
    "2019/10/02 21:45:54 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'procs': 1, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "procs": 1,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 10.174700736999512,
  "total_seconds": 10.411379098892212,
  "stats": {
    "sandboxes_per_sec": 43.1
  },
  "ol-stats": {
    "Create().cnt": 432,
    "Create().ms-avg": 11,
    "Create()/acquire-cgroup.cnt": 432,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 432,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 431,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 432,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 863,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 432,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 432,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 432,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 431,
    "childExit().ms-avg": 0,
    "fork().cnt": 431,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 431,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 449,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 431,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:46:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:46:05 remove worker.pid",
    "2019/10/02 21:46:05 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'procs': 15, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "procs": 15,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 10.380604028701782,
  "total_seconds": 10.616485357284546,
  "stats": {
    "sandboxes_per_sec": 45.1
  },
  "ol-stats": {
    "Create().cnt": 452,
    "Create().ms-avg": 85,
    "Create()/acquire-cgroup.cnt": 452,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 452,
    "Create()/acquire-mem.ms-avg": 18,
    "Create()/fork-proc.cnt": 451,
    "Create()/fork-proc.ms-avg": 63,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 136,
    "Create()/make-root-fs.cnt": 452,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 903,
    "Destroy().ms-avg": 51,
    "Destroy()/detach-root.cnt": 452,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 452,
    "Destroy()/kill-procs.ms-avg": 14,
    "Destroy()/remove-root.cnt": 452,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 451,
    "childExit().ms-avg": 63,
    "fork().cnt": 451,
    "fork().ms-avg": 63,
    "forkRequest.cnt": 451,
    "forkRequest.ms-avg": 11,
    "fresh-cgroup.cnt": 469,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 451,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:46:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:46:15 remove worker.pid",
    "2019/10/02 21:46:15 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'procs': 1, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "procs": 1,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 10.830160856246948,
  "total_seconds": 11.166504859924316,
  "stats": {
    "sandboxes_per_sec": 44.6
  },
  "ol-stats": {
    "Create().cnt": 479,
    "Create().ms-avg": 6,
    "Create()/acquire-cgroup.cnt": 479,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 479,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 478,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 479,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 925,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 479,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 479,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 479,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 478,
    "childExit().ms-avg": 0,
    "fork().cnt": 478,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 478,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 496,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 478,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:46:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:46:27 remove worker.pid",
    "2019/10/02 21:46:27 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'procs': 15, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "procs": 15,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 11.013997554779053,
  "total_seconds": 11.367398738861084,
  "stats": {
    "sandboxes_per_sec": 41.3
  },
  "ol-stats": {
    "Create().cnt": 446,
    "Create().ms-avg": 120,
    "Create()/acquire-cgroup.cnt": 446,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 446,
    "Create()/acquire-mem.ms-avg": 72,
    "Create()/fork-proc.cnt": 445,
    "Create()/fork-proc.ms-avg": 43,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 201,
    "Create()/make-root-fs.cnt": 446,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 859,
    "Destroy().ms-avg": 42,
    "Destroy()/detach-root.cnt": 446,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 446,
    "Destroy()/kill-procs.ms-avg": 10,
    "Destroy()/remove-root.cnt": 446,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 445,
    "childExit().ms-avg": 45,
    "fork().cnt": 445,
    "fork().ms-avg": 43,
    "forkRequest.cnt": 445,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 463,
    "fresh-cgroup.ms-avg": 5,
    "move-to-cg-after-fork.cnt": 445,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:46:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:46:38 remove worker.pid",
    "2019/10/02 21:46:38 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry': '/tmp/tmp0vd3pt2e', '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": {
    "registry": "/tmp/tmp0vd3pt2e",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 3000,
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "memory": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 6.030805826187134,
  "total_seconds": 6.271439075469971,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 49,
    "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": 165,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1685,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1688,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1685,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1684,
    "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": 2,
    "web-request.cnt": 1685,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:46:44 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:44 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:44 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:44 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:44 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:44 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:46:44 remove worker.pid",
    "2019/10/02 21:46:44 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp0vd3pt2e', '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": {
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 15.042280435562134,
  "total_seconds": 15.272048711776733,
  "stats": {
    "reqs_per_sec": 285.1333333333333
  },
  "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": 4277,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4280,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4277,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4276,
    "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": 4277,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:46:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:46:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:46:59 remove worker.pid",
    "2019/10/02 21:46:59 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": {
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 15.050822257995605,
  "total_seconds": 15.282602310180664,
  "stats": {
    "reqs_per_sec": 285.73333333333335
  },
  "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": 140,
    "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": 4286,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3899,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4286,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3895,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4286,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:47:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:47:15 remove worker.pid",
    "2019/10/02 21:47:15 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": {
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 15.066332817077637,
  "total_seconds": 15.296950101852417,
  "stats": {
    "reqs_per_sec": 262.8666666666667
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 47,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 9,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 140,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 3943,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 3012,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3943,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3008,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 9,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 8,
    "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": 3943,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:47:30 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:30 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:30 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:30 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:30 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:30 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:47:30 remove worker.pid",
    "2019/10/02 21:47:30 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmp2c4rdnog'}
========================================
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": {
    "registry": "/tmp/tmp2c4rdnog",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "features": {
      "reuse_cgroups": true,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "evictor": false,
      "memory": false,
      "package": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 2.9095985889434814,
  "total_seconds": 3.341965436935425,
  "stats": {
    "reqs_per_sec": 34.3692837244229
  },
  "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": 135,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 157,
    "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": 56,
    "evict.ms-avg": 11,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 70,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 25
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:47:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:47:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:47:33 remove worker.pid",
    "2019/10/02 21:47:33 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp2c4rdnog'}
PUSH conf: {'registry': '/tmp/tmpp7ndgh3q'}
========================================
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": {
    "registry": "/tmp/tmpp7ndgh3q",
    "worker_port": "5000",
    "pip_mirror": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0
    },
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": true
    },
    "sandbox_config": {},
    "sandbox": "sock",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "mem_pool_mb": 500,
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "memory": false,
      "evictor": false
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 44.3897500038147,
  "total_seconds": 45.08793807029724,
  "stats": {
    "reqs_per_sec": 22.52774338392314
  },
  "ol-stats": {
    "Channel().cnt": 1000,
    "Channel().ms-avg": 0,
    "Create().cnt": 1001,
    "Create().ms-avg": 8,
    "Create()/acquire-cgroup.cnt": 1001,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 1001,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1000,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 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": 40,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 19,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 3,
    "evict.cnt": 980,
    "evict.ms-avg": 11,
    "fork().cnt": 1000,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1000,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 40,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1000,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1000,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 40
  },
  "errors": [],
  "worker_tail": [
    "2019/10/02 21:48:18 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:48:18 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:48:18 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:48:18 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:48:18 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:48:18 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/10/02 21:48:19 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/10/02 21:48:19 remove worker.pid",
    "2019/10/02 21:48:19 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpp7ndgh3q'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0