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": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "server_mode": "lambda",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "worker_port": "5000",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "mem_pool_mb": 500
  },
  "seconds": 2.286022424697876,
  "total_seconds": 2.4716572761535645,
  "stats": {
    "pings_per_sec": 437.446411744491
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:43:36 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:36 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:36 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:36 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:36 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:36 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:36 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:43:36 remove worker.pid",
    "2019/11/21 21:43:36 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": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "server_mode": "lambda",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": false,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "worker_port": "5000",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "mem_pool_mb": 500
  },
  "seconds": 9.677607774734497,
  "total_seconds": 9.916959762573242,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 277,
    "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": 275,
    "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": 2405,
    "Pause().cnt": 4,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 101,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 37,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1195,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2405
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:43:46 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:46 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:46 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:46 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:46 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:46 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:46 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:43:46 remove worker.pid",
    "2019/11/21 21:43:46 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": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "mem_pool_mb": 500
  },
  "seconds": 6.269063949584961,
  "total_seconds": 6.509942293167114,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 97,
    "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": 146,
    "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": 1558,
    "Pause().cnt": 8,
    "Pause().ms-avg": 3,
    "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": 973,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1558
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:43:53 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:53 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:53 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:53 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:53 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:53 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:43:53 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:43:53 remove worker.pid",
    "2019/11/21 21:43:53 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": {
    "sandbox": "docker",
    "import_cache_tree": "",
    "server_mode": "lambda",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": false,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "worker_port": "5000",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "mem_pool_mb": 500
  },
  "seconds": 19.90773034095764,
  "total_seconds": 20.930169582366943,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 911,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 239,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 4964,
    "Pause().cnt": 4,
    "Pause().ms-avg": 29,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 2,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2341,
    "web-request.cnt": 4,
    "web-request.ms-avg": 4964
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:44:13 Kill function: install3",
    "2019/11/21 21:44:13 Destroy() [SB 9]",
    "2019/11/21 21:44:13 Kill function: echo",
    "2019/11/21 21:44:13 Destroy() [SB 0]",
    "2019/11/21 21:44:14 Kill function: install",
    "2019/11/21 21:44:14 Destroy() [SB 6]",
    "2019/11/21 21:44:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:44:14 remove worker.pid",
    "2019/11/21 21:44:14 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": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "mem_pool_mb": 500
  },
  "seconds": 0.18500041961669922,
  "total_seconds": 0.4154646396636963,
  "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": 142,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 2,
    "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": 181,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 11,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 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": 9,
    "web-request.cnt": 1,
    "web-request.ms-avg": 181
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:44:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:44:14 remove worker.pid",
    "2019/11/21 21:44:14 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": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "mem_pool_mb": 500
  },
  "seconds": 0.8704860210418701,
  "total_seconds": 1.102708101272583,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 78,
    "Create()/acquire-cgroup.cnt": 2,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 2,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 140,
    "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": 866,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 701,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 866
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:44:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:44:15 remove worker.pid",
    "2019/11/21 21:44:15 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": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "mem_pool_mb": 500
  },
  "seconds": 29.85361361503601,
  "total_seconds": 30.2440984249115,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 98,
    "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": 8,
    "Create()/fresh-proc.cnt": 8,
    "Create()/fresh-proc.ms-avg": 151,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 1,
    "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": 5963,
    "Pause().cnt": 10,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 292,
    "Unpause().cnt": 4,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 5,
    "childExit().ms-avg": 0,
    "fork().cnt": 5,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 5,
    "forkRequest.ms-avg": 7,
    "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": 4,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 4015,
    "web-request.cnt": 5,
    "web-request.ms-avg": 5963
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:44:46 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:46 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:46 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:46 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:46 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:46 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:46 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:44:46 remove worker.pid",
    "2019/11/21 21:44:46 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
========================================
sock_churn {'procs': 1, 'baseline': 0, 'fork': False, 'seconds': 5}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "baseline": 0,
    "fork": false,
    "seconds": 5
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-dir/registry",
    "mem_pool_mb": 500
  },
  "seconds": 5.14530348777771,
  "total_seconds": 5.2700090408325195,
  "stats": {
    "sandboxes_per_sec": 6.0
  },
  "ol-stats": {
    "Create().cnt": 30,
    "Create().ms-avg": 147,
    "Create()/acquire-cgroup.cnt": 30,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 30,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 30,
    "Create()/fresh-proc.ms-avg": 142,
    "Create()/make-root-fs.cnt": 30,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 60,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 30,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 30,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 30,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 47,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:44:51 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:51 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:51 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:51 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:51 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:51 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:44:51 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:44:51 remove worker.pid",
    "2019/11/21 21:44:51 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'baseline': 0, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "baseline": 0,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-dir/registry",
    "mem_pool_mb": 500
  },
  "seconds": 10.172322034835815,
  "total_seconds": 10.402543067932129,
  "stats": {
    "sandboxes_per_sec": 40.9
  },
  "ol-stats": {
    "Create().cnt": 410,
    "Create().ms-avg": 11,
    "Create()/acquire-cgroup.cnt": 410,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 410,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 409,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 141,
    "Create()/make-root-fs.cnt": 410,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 819,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 410,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 410,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 410,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 409,
    "childExit().ms-avg": 0,
    "fork().cnt": 409,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 409,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 427,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 409,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:45:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:45:01 remove worker.pid",
    "2019/11/21 21:45:01 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'baseline': 0, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "baseline": 0,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-dir/registry",
    "mem_pool_mb": 500
  },
  "seconds": 10.398725986480713,
  "total_seconds": 10.644368171691895,
  "stats": {
    "sandboxes_per_sec": 42.7
  },
  "ol-stats": {
    "Create().cnt": 428,
    "Create().ms-avg": 100,
    "Create()/acquire-cgroup.cnt": 428,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 428,
    "Create()/acquire-mem.ms-avg": 14,
    "Create()/fork-proc.cnt": 427,
    "Create()/fork-proc.ms-avg": 81,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 149,
    "Create()/make-root-fs.cnt": 428,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 855,
    "Destroy().ms-avg": 57,
    "Destroy()/detach-root.cnt": 428,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 428,
    "Destroy()/kill-procs.ms-avg": 10,
    "Destroy()/remove-root.cnt": 428,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 427,
    "childExit().ms-avg": 79,
    "fork().cnt": 427,
    "fork().ms-avg": 81,
    "forkRequest.cnt": 427,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 445,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 427,
    "move-to-cg-after-fork.ms-avg": 3
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:45:12 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:12 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:12 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:12 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:12 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:12 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:12 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:45:12 remove worker.pid",
    "2019/11/21 21:45:12 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'baseline': 32, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "baseline": 32,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-dir/registry",
    "mem_pool_mb": 500
  },
  "seconds": 10.861380815505981,
  "total_seconds": 11.205232620239258,
  "stats": {
    "sandboxes_per_sec": 40.6
  },
  "ol-stats": {
    "Create().cnt": 439,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 439,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 439,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 438,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 439,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 845,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 439,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 439,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 439,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 438,
    "childExit().ms-avg": 0,
    "fork().cnt": 438,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 438,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 456,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 438,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:45:23 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:23 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:23 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:23 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:23 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:23 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:45:23 remove worker.pid",
    "2019/11/21 21:45:23 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'baseline': 32, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "baseline": 32,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "sock",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-dir/registry",
    "mem_pool_mb": 500
  },
  "seconds": 11.125424146652222,
  "total_seconds": 11.479950428009033,
  "stats": {
    "sandboxes_per_sec": 40.3
  },
  "ol-stats": {
    "Create().cnt": 436,
    "Create().ms-avg": 138,
    "Create()/acquire-cgroup.cnt": 436,
    "Create()/acquire-cgroup.ms-avg": 1,
    "Create()/acquire-mem.cnt": 436,
    "Create()/acquire-mem.ms-avg": 79,
    "Create()/fork-proc.cnt": 435,
    "Create()/fork-proc.ms-avg": 53,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 183,
    "Create()/make-root-fs.cnt": 436,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 839,
    "Destroy().ms-avg": 50,
    "Destroy()/detach-root.cnt": 436,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 436,
    "Destroy()/kill-procs.ms-avg": 11,
    "Destroy()/remove-root.cnt": 436,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 435,
    "childExit().ms-avg": 59,
    "fork().cnt": 435,
    "fork().ms-avg": 53,
    "forkRequest.cnt": 435,
    "forkRequest.ms-avg": 9,
    "fresh-cgroup.cnt": 453,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 435,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:45:35 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:35 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:35 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:35 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:35 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:35 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:35 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:45:35 remove worker.pid",
    "2019/11/21 21:45:35 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry': '/tmp/tmp47tma72r', '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": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "server_mode": "lambda",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 3000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "worker_port": "5000",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/tmp/tmp47tma72r",
    "mem_pool_mb": 500
  },
  "seconds": 6.029468059539795,
  "total_seconds": 6.377155303955078,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 62,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 210,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1578,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1581,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1578,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1577,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 1578,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:45:41 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:41 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:41 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:41 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:41 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:41 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:45:41 remove worker.pid",
    "2019/11/21 21:45:41 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp47tma72r', '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": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "mem_pool_mb": 500
  },
  "seconds": 15.049958944320679,
  "total_seconds": 15.283235549926758,
  "stats": {
    "reqs_per_sec": 273.3333333333333
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 45,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 143,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 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": 4100,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4103,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4100,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4099,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4100,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:45:56 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:56 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:56 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:56 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:56 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:56 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:45:56 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:45:56 remove worker.pid",
    "2019/11/21 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": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "mem_pool_mb": 500
  },
  "seconds": 15.04765272140503,
  "total_seconds": 15.279852390289307,
  "stats": {
    "reqs_per_sec": 263.1333333333333
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 45,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 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": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 3947,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3809,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3947,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3805,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 3947,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:46:11 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:11 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:11 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:11 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:11 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:11 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:11 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:46:11 remove worker.pid",
    "2019/11/21 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": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "mem_pool_mb": 500
  },
  "seconds": 15.066749334335327,
  "total_seconds": 15.30008602142334,
  "stats": {
    "reqs_per_sec": 246.46666666666667
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 45,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 141,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 3,
    "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": 3697,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 2860,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3697,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2856,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 4,
    "web-request.cnt": 3697,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/11/21 21:46:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:46:27 remove worker.pid",
    "2019/11/21 21:46:27 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpx1wfhlz5'}
========================================
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": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "server_mode": "lambda",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": true
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "worker_port": "5000",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/tmp/tmpx1wfhlz5",
    "mem_pool_mb": 500
  },
  "seconds": 2.9690732955932617,
  "total_seconds": 3.409276247024536,
  "stats": {
    "reqs_per_sec": 33.68082130278799
  },
  "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": 145,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 154,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 25,
    "Pause().cnt": 200,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 6,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 53,
    "evict.ms-avg": 11,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 67,
    "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": [
    "2019/11/21 21:46:30 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:30 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:30 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:30 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:30 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:30 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:46:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:46:30 remove worker.pid",
    "2019/11/21 21:46:30 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpx1wfhlz5'}
PUSH conf: {'registry': '/tmp/tmpdx_yf007'}
========================================
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": {
    "sandbox": "sock",
    "import_cache_tree": "",
    "limits": {
      "mem_mb": 50,
      "procs": 10,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "trace": {
      "memory": false,
      "evictor": false,
      "package": false,
      "cgroups": false
    },
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "pip_mirror": "",
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": true
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "server_mode": "lambda",
    "sandbox_config": {},
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/tmp/tmpdx_yf007",
    "mem_pool_mb": 500
  },
  "seconds": 44.65136432647705,
  "total_seconds": 45.20255422592163,
  "stats": {
    "reqs_per_sec": 22.395745402987036
  },
  "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": 141,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1980,
    "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": 8,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 20,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 3,
    "evict.cnt": 979,
    "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": [
    "2019/11/21 21:47:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:47:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:47:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:47:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:47:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:47:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/11/21 21:47:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/11/21 21:47:16 remove worker.pid",
    "2019/11/21 21:47:16 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpdx_yf007'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0