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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "registry_cache_ms": 5000
  },
  "seconds": 2.1646320819854736,
  "total_seconds": 2.398226261138916,
  "stats": {
    "pings_per_sec": 461.97659664457916
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:47:02 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:02 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:02 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:02 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:02 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:02 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:02 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:47:02 remove worker.pid",
    "2020/03/03 21:47:02 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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "registry_cache_ms": 5000
  },
  "seconds": 10.037888288497925,
  "total_seconds": 10.276962757110596,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 326,
    "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": 324,
    "Create()/make-root-fs.cnt": 10,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 3,
    "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": 2500,
    "Pause().cnt": 4,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 72,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 12,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1206,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2500
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:47:12 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:12 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:12 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:12 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:12 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:12 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:12 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:47:12 remove worker.pid",
    "2020/03/03 21:47:12 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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 6.509689807891846,
  "total_seconds": 6.748476266860962,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 96,
    "Create()/acquire-cgroup.cnt": 11,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 11,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 4,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 5,
    "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": 1619,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 43,
    "Unpause().cnt": 3,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 4,
    "childExit().ms-avg": 0,
    "fork().cnt": 4,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 28,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 4,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1009,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1619
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:47:19 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:19 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:19 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:19 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:19 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:19 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:19 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:47:19 remove worker.pid",
    "2020/03/03 21:47:19 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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "docker",
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "registry_cache_ms": 5000
  },
  "seconds": 23.43606185913086,
  "total_seconds": 24.56303906440735,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 1107,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 255,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 5847,
    "Pause().cnt": 4,
    "Pause().ms-avg": 32,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2724,
    "web-request.cnt": 4,
    "web-request.ms-avg": 5847
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:47:43 Kill function: install",
    "2020/03/03 21:47:43 Destroy() [SB 6]",
    "2020/03/03 21:47:43 Kill function: install2",
    "2020/03/03 21:47:43 Destroy() [SB 7]",
    "2020/03/03 21:47:43 Kill function: install3",
    "2020/03/03 21:47:43 Destroy() [SB 9]",
    "2020/03/03 21:47:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:47:44 remove worker.pid",
    "2020/03/03 21:47:44 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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 0.19607996940612793,
  "total_seconds": 0.42904114723205566,
  "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": 136,
    "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": 192,
    "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": 5,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 2,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 21,
    "web-request.cnt": 1,
    "web-request.ms-avg": 192
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:47:44 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:44 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:44 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:44 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:44 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:44 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:47:44 remove worker.pid",
    "2020/03/03 21:47:44 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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 0.8674495220184326,
  "total_seconds": 1.098339557647705,
  "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": 4,
    "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": 863,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 702,
    "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": 863
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:47:45 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:45 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:45 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:45 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:45 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:45 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:47:45 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:47:45 remove worker.pid",
    "2020/03/03 21:47:45 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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 64.01038432121277,
  "total_seconds": 64.27543711662292,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 152,
    "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": 5,
    "Create()/fresh-proc.cnt": 8,
    "Create()/fresh-proc.ms-avg": 149,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 57,
    "Destroy().cnt": 13,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 13,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 13,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 13,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 12798,
    "Pause().cnt": 10,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 289,
    "Unpause().cnt": 4,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 5,
    "childExit().ms-avg": 0,
    "fork().cnt": 5,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 5,
    "forkRequest.ms-avg": 4,
    "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": 2,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 8785,
    "web-request.cnt": 5,
    "web-request.ms-avg": 12798
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:48:49 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:48:49 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:48:49 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:48:49 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:48:49 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:48:49 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:48:49 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:48:49 remove worker.pid",
    "2020/03/03 21:48:49 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 {'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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 5.070744514465332,
  "total_seconds": 5.193564414978027,
  "stats": {
    "sandboxes_per_sec": 5.6
  },
  "ol-stats": {
    "Create().cnt": 28,
    "Create().ms-avg": 159,
    "Create()/acquire-cgroup.cnt": 28,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 28,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 28,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 28,
    "Create()/make-root-fs.ms-avg": 20,
    "Destroy().cnt": 56,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 28,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 28,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 28,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 45,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:48:55 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:48:55 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:48:55 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:48:55 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:48:55 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:48:55 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:48:55 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:48:55 remove worker.pid",
    "2020/03/03 21:48:55 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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 10.183576345443726,
  "total_seconds": 10.413426876068115,
  "stats": {
    "sandboxes_per_sec": 43.0
  },
  "ol-stats": {
    "Create().cnt": 431,
    "Create().ms-avg": 11,
    "Create()/acquire-cgroup.cnt": 431,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 431,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 430,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 133,
    "Create()/make-root-fs.cnt": 431,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 861,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 431,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 431,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 431,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 430,
    "childExit().ms-avg": 0,
    "fork().cnt": 430,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 430,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 448,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 430,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:49:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:49:05 remove worker.pid",
    "2020/03/03 21:49:05 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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 10.375283241271973,
  "total_seconds": 10.603729486465454,
  "stats": {
    "sandboxes_per_sec": 42.5
  },
  "ol-stats": {
    "Create().cnt": 426,
    "Create().ms-avg": 110,
    "Create()/acquire-cgroup.cnt": 426,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 426,
    "Create()/acquire-mem.ms-avg": 24,
    "Create()/fork-proc.cnt": 425,
    "Create()/fork-proc.ms-avg": 71,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 136,
    "Create()/make-root-fs.cnt": 426,
    "Create()/make-root-fs.ms-avg": 12,
    "Destroy().cnt": 851,
    "Destroy().ms-avg": 52,
    "Destroy()/detach-root.cnt": 426,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 426,
    "Destroy()/kill-procs.ms-avg": 14,
    "Destroy()/remove-root.cnt": 426,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 425,
    "childExit().ms-avg": 69,
    "fork().cnt": 425,
    "fork().ms-avg": 71,
    "forkRequest.cnt": 425,
    "forkRequest.ms-avg": 11,
    "fresh-cgroup.cnt": 443,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 425,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:49:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:49:16 remove worker.pid",
    "2020/03/03 21:49:16 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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 10.79309868812561,
  "total_seconds": 11.126787424087524,
  "stats": {
    "sandboxes_per_sec": 43.8
  },
  "ol-stats": {
    "Create().cnt": 471,
    "Create().ms-avg": 6,
    "Create()/acquire-cgroup.cnt": 471,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 471,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 470,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 133,
    "Create()/make-root-fs.cnt": 471,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 909,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 471,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 471,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 471,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 470,
    "childExit().ms-avg": 0,
    "fork().cnt": 470,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 470,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 488,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 470,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:49:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:49:27 remove worker.pid",
    "2020/03/03 21:49:27 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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 11.122208833694458,
  "total_seconds": 11.47538948059082,
  "stats": {
    "sandboxes_per_sec": 41.6
  },
  "ol-stats": {
    "Create().cnt": 449,
    "Create().ms-avg": 125,
    "Create()/acquire-cgroup.cnt": 449,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 449,
    "Create()/acquire-mem.ms-avg": 70,
    "Create()/fork-proc.cnt": 448,
    "Create()/fork-proc.ms-avg": 52,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 188,
    "Create()/make-root-fs.cnt": 449,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 865,
    "Destroy().ms-avg": 48,
    "Destroy()/detach-root.cnt": 449,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 449,
    "Destroy()/kill-procs.ms-avg": 13,
    "Destroy()/remove-root.cnt": 449,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 448,
    "childExit().ms-avg": 58,
    "fork().cnt": 448,
    "fork().ms-avg": 51,
    "forkRequest.cnt": 448,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 466,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 448,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:49:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:49:38 remove worker.pid",
    "2020/03/03 21:49:38 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry': '/tmp/tmp221ek5lp', '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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/tmp/tmp221ek5lp",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "registry_cache_ms": 3000
  },
  "seconds": 6.031499147415161,
  "total_seconds": 6.281086444854736,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 46,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 146,
    "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": 1683,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1686,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1683,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1682,
    "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": 1683,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:49:44 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:44 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:44 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:44 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:44 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:44 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:49:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:49:44 remove worker.pid",
    "2020/03/03 21:49:44 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp221ek5lp', '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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 15.042632102966309,
  "total_seconds": 15.276433229446411,
  "stats": {
    "reqs_per_sec": 292.06666666666666
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 44,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 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": 4381,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4384,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4381,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4380,
    "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": 1,
    "web-request.cnt": 4381,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:50:00 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:00 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:00 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:00 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:00 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:00 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:00 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:50:00 remove worker.pid",
    "2020/03/03 21:50:00 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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 15.045992851257324,
  "total_seconds": 15.277023315429688,
  "stats": {
    "reqs_per_sec": 285.3333333333333
  },
  "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": 136,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4280,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3823,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4280,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3819,
    "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": 4280,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:50:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:50:15 remove worker.pid",
    "2020/03/03 21:50:15 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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 15.066447496414185,
  "total_seconds": 15.297927379608154,
  "stats": {
    "reqs_per_sec": 259.4
  },
  "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": 140,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 3891,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 2988,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3891,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2984,
    "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": 3891,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:50:30 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:30 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:30 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:30 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:30 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:30 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:50:30 remove worker.pid",
    "2020/03/03 21:50:30 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmp4ascnmxi'}
========================================
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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/tmp/tmp4ascnmxi",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": true,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "root": "private",
      "code": "",
      "scratch": ""
    },
    "registry_cache_ms": 5000
  },
  "seconds": 3.058168411254883,
  "total_seconds": 3.4940667152404785,
  "stats": {
    "reqs_per_sec": 32.69965516604241
  },
  "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": 136,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 153,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 26,
    "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": 52,
    "evict.ms-avg": 12,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 68,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 26
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:50:34 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:34 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:34 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:34 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:34 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:34 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:50:34 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:50:34 remove worker.pid",
    "2020/03/03 21:50:34 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp4ascnmxi'}
PUSH conf: {'registry': '/tmp/tmpwel0k81q'}
========================================
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": {
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry": "/tmp/tmpwel0k81q",
    "worker_port": "5000",
    "docker_runtime": "",
    "sandbox": "sock",
    "sandbox_config": {},
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "trace": {
      "memory": false,
      "package": false,
      "cgroups": false,
      "evictor": false
    },
    "mem_pool_mb": 500,
    "features": {
      "reuse_cgroups": true,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "registry_cache_ms": 5000
  },
  "seconds": 44.188780784606934,
  "total_seconds": 44.89215612411499,
  "stats": {
    "reqs_per_sec": 22.630229120775297
  },
  "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": 138,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1980,
    "Destroy().ms-avg": 6,
    "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": 4,
    "evict.cnt": 979,
    "evict.ms-avg": 12,
    "fork().cnt": 1000,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1000,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 41,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1000,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1000,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 40
  },
  "errors": [],
  "worker_tail": [
    "2020/03/03 21:51:19 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:51:19 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:51:19 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:51:19 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:51:19 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:51:19 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/03/03 21:51:19 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/03/03 21:51:19 remove worker.pid",
    "2020/03/03 21:51:19 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpwel0k81q'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0