python3 -u test.py
RUN ./ol new -p=test-dir
PUSH conf: {'limits': {'installer_mem_mb': 250}}
PUSH conf: {'registry': '/root/open-lambda/test-registry'}
========================================
ping_test
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "ping_test",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "server_mode": "lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    }
  },
  "seconds": 2.2400031089782715,
  "total_seconds": 2.453537940979004,
  "stats": {
    "pings_per_sec": 446.43208577346206
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:43:19 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:19 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:19 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:19 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:19 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:19 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:19 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:43:19 remove worker.pid",
    "2019/08/21 21:43:19 exiting",
    ""
  ]
}
PUSH conf: {'features': {'import_cache': False}}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "server_mode": "lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": false
    }
  },
  "seconds": 10.071816444396973,
  "total_seconds": 10.309925317764282,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 306,
    "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": 304,
    "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": 2504,
    "Pause().cnt": 4,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 69,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 9,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1251,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2504
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:43:29 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:29 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:29 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:29 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:29 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:29 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:29 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:43:29 remove worker.pid",
    "2019/08/21 21:43:29 exiting",
    ""
  ]
}
POP conf: {'features': {'import_cache': False}}
PUSH conf: {'mem_pool_mb': 500}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 6.226926326751709,
  "total_seconds": 6.4625678062438965,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 93,
    "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": 139,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 11,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 11,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 11,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 11,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 1549,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 60,
    "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": 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": 956,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1549
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:43:35 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:35 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:35 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:35 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:35 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:35 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:35 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:43:35 remove worker.pid",
    "2019/08/21 21:43:35 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
PUSH conf: {'features': {'import_cache': False}, 'sandbox': 'docker'}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "server_mode": "lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "mem_pool_mb": 500,
    "sandbox": "docker",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": false
    }
  },
  "seconds": 22.412222623825073,
  "total_seconds": 23.438462257385254,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 1025,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 303,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 5591,
    "Pause().cnt": 4,
    "Pause().ms-avg": 27,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2695,
    "web-request.cnt": 4,
    "web-request.ms-avg": 5591
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:43:58 Kill function: echo",
    "2019/08/21 21:43:58 Destroy() [SB 0]",
    "2019/08/21 21:43:59 Kill function: install",
    "2019/08/21 21:43:59 Destroy() [SB 6]",
    "2019/08/21 21:43:59 Kill function: install2",
    "2019/08/21 21:43:59 Destroy() [SB 7]",
    "2019/08/21 21:43:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:43:59 remove worker.pid",
    "2019/08/21 21:43:59 exiting",
    ""
  ]
}
POP conf: {'features': {'import_cache': False}, 'sandbox': 'docker'}
========================================
fork_bomb
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "fork_bomb",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 0.19759225845336914,
  "total_seconds": 0.42807936668395996,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 77,
    "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": 139,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 2,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 2,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 2,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 2,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1,
    "LambdaFunc.Invoke.ms-avg": 193,
    "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": 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": 21,
    "web-request.cnt": 1,
    "web-request.ms-avg": 193
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:43:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:43:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:43:59 remove worker.pid",
    "2019/08/21 21:43:59 exiting",
    ""
  ]
}
========================================
max_mem_alloc
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "max_mem_alloc",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 0.8384494781494141,
  "total_seconds": 1.070937156677246,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 77,
    "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": 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": 834,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 671,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 3,
    "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": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 834
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:44:00 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:00 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:00 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:00 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:00 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:00 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:00 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:44:00 remove worker.pid",
    "2019/08/21 21:44:00 exiting",
    ""
  ]
}
PUSH conf: {'mem_pool_mb': 500}
========================================
numpy_test
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "numpy_test",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 38.101136445999146,
  "total_seconds": 38.38065457344055,
  "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": 6,
    "Create()/fresh-proc.cnt": 8,
    "Create()/fresh-proc.ms-avg": 144,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 6,
    "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": 7612,
    "Pause().cnt": 10,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 352,
    "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": 5,
    "fresh-cgroup.cnt": 30,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 5,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 5,
    "pull-lambda.ms-avg": 3,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 5144,
    "web-request.cnt": 5,
    "web-request.ms-avg": 7612
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:44:39 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:39 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:39 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:39 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:39 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:39 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:39 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:44:39 remove worker.pid",
    "2019/08/21 21:44:39 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'mem_pool_mb': 500, 'server_mode': 'sock'}
========================================
sock_churn {'baseline': 0, 'seconds': 5, 'procs': 1, 'fork': False}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "seconds": 5,
    "procs": 1,
    "fork": false
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "sock",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 5.119602918624878,
  "total_seconds": 5.245045185089111,
  "stats": {
    "sandboxes_per_sec": 5.4
  },
  "ol-stats": {
    "Create().cnt": 27,
    "Create().ms-avg": 156,
    "Create()/acquire-cgroup.cnt": 27,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 27,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 27,
    "Create()/fresh-proc.ms-avg": 151,
    "Create()/make-root-fs.cnt": 27,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 54,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 27,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 27,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 27,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 44,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:44:44 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:44 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:44 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:44 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:44 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:44 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:44:44 remove worker.pid",
    "2019/08/21 21:44:44 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'seconds': 10, 'procs': 1, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "seconds": 10,
    "procs": 1,
    "fork": true
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "sock",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 10.161413192749023,
  "total_seconds": 10.395845413208008,
  "stats": {
    "sandboxes_per_sec": 42.4
  },
  "ol-stats": {
    "Create().cnt": 425,
    "Create().ms-avg": 10,
    "Create()/acquire-cgroup.cnt": 425,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 425,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 424,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 425,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 849,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 425,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 425,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 425,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 424,
    "childExit().ms-avg": 0,
    "fork().cnt": 424,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 424,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 442,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 424,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:44:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:44:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:44:54 remove worker.pid",
    "2019/08/21 21:44:54 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'seconds': 10, 'procs': 15, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "seconds": 10,
    "procs": 15,
    "fork": true
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "sock",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 10.458171367645264,
  "total_seconds": 10.685941934585571,
  "stats": {
    "sandboxes_per_sec": 45.3
  },
  "ol-stats": {
    "Create().cnt": 454,
    "Create().ms-avg": 81,
    "Create()/acquire-cgroup.cnt": 454,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 454,
    "Create()/acquire-mem.ms-avg": 15,
    "Create()/fork-proc.cnt": 453,
    "Create()/fork-proc.ms-avg": 61,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 454,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 907,
    "Destroy().ms-avg": 46,
    "Destroy()/detach-root.cnt": 454,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 454,
    "Destroy()/kill-procs.ms-avg": 9,
    "Destroy()/remove-root.cnt": 454,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 453,
    "childExit().ms-avg": 58,
    "fork().cnt": 453,
    "fork().ms-avg": 61,
    "forkRequest.cnt": 453,
    "forkRequest.ms-avg": 11,
    "fresh-cgroup.cnt": 471,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 453,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:45:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:45:05 remove worker.pid",
    "2019/08/21 21:45:05 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'seconds': 10, 'procs': 1, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "seconds": 10,
    "procs": 1,
    "fork": true
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "sock",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 10.864629983901978,
  "total_seconds": 11.202869415283203,
  "stats": {
    "sandboxes_per_sec": 43.6
  },
  "ol-stats": {
    "Create().cnt": 469,
    "Create().ms-avg": 6,
    "Create()/acquire-cgroup.cnt": 469,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 469,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 468,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 469,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 905,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 469,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 469,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 469,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 468,
    "childExit().ms-avg": 0,
    "fork().cnt": 468,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 468,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 486,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 468,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:45:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:45:16 remove worker.pid",
    "2019/08/21 21:45:16 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'seconds': 10, 'procs': 15, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "seconds": 10,
    "procs": 15,
    "fork": true
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "sock",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 11.210863828659058,
  "total_seconds": 11.566891193389893,
  "stats": {
    "sandboxes_per_sec": 41.3
  },
  "ol-stats": {
    "Create().cnt": 446,
    "Create().ms-avg": 127,
    "Create()/acquire-cgroup.cnt": 446,
    "Create()/acquire-cgroup.ms-avg": 1,
    "Create()/acquire-mem.cnt": 446,
    "Create()/acquire-mem.ms-avg": 72,
    "Create()/fork-proc.cnt": 445,
    "Create()/fork-proc.ms-avg": 51,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 327,
    "Create()/make-root-fs.cnt": 446,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 859,
    "Destroy().ms-avg": 45,
    "Destroy()/detach-root.cnt": 446,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 446,
    "Destroy()/kill-procs.ms-avg": 9,
    "Destroy()/remove-root.cnt": 446,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 445,
    "childExit().ms-avg": 55,
    "fork().cnt": 445,
    "fork().ms-avg": 51,
    "forkRequest.cnt": 445,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 463,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 445,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:45:28 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:28 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:28 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:28 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:28 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:28 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:28 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:45:28 remove worker.pid",
    "2019/08/21 21:45:28 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500, 'server_mode': 'sock'}
PUSH conf: {'registry': '/tmp/tmp6gs1maop', 'registry_cache_ms': 3000}
========================================
update_code
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "update_code",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/tmp/tmp6gs1maop",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "server_mode": "lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "docker_runtime": "",
    "registry_cache_ms": 3000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    }
  },
  "seconds": 6.031254291534424,
  "total_seconds": 6.276559829711914,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 47,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 156,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 2,
    "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": 1695,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1698,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1695,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1694,
    "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": 5,
    "web-request.cnt": 1695,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:45:34 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:34 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:34 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:34 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:34 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:34 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:34 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:45:34 remove worker.pid",
    "2019/08/21 21:45:34 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp6gs1maop', 'registry_cache_ms': 3000}
PUSH conf: {'registry': '/root/open-lambda/test-registry'}
========================================
stress_one_lambda {'seconds': 15, 'procs': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "seconds": 15,
    "procs": 1
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 15.040905237197876,
  "total_seconds": 15.272565603256226,
  "stats": {
    "reqs_per_sec": 286.8666666666667
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 43,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 5,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 4,
    "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": 4303,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4306,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4303,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4302,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4303,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:45:49 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:49 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:49 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:49 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:49 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:49 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:45:49 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:45:49 remove worker.pid",
    "2019/08/21 21:45:49 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'seconds': 15, 'procs': 2}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "seconds": 15,
    "procs": 2
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 15.045195579528809,
  "total_seconds": 15.275827169418335,
  "stats": {
    "reqs_per_sec": 288.1333333333333
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 44,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 139,
    "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": 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": 4322,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3995,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4322,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3991,
    "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": 4322,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:46:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:46:05 remove worker.pid",
    "2019/08/21 21:46:05 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'seconds': 15, 'procs': 8}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "seconds": 15,
    "procs": 8
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 15.063257217407227,
  "total_seconds": 15.292775392532349,
  "stats": {
    "reqs_per_sec": 265.8
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 44,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "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": 3987,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 3013,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3987,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3009,
    "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": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 3987,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:46:20 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:20 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:20 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:20 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:20 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:20 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:46:20 remove worker.pid",
    "2019/08/21 21:46:20 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpijsy0i6a'}
========================================
call_each_once_exec {'alloc_mb': 1, 'lambda_count': 100}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "alloc_mb": 1,
    "lambda_count": 100
  },
  "pass": true,
  "conf": {
    "registry": "/tmp/tmpijsy0i6a",
    "pip_mirror": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "server_mode": "lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "worker_port": "5000",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "mem_pool_mb": 500,
    "sandbox": "sock",
    "docker_runtime": "",
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "features": {
      "reuse_cgroups": true,
      "downsize_paused_mem": true,
      "import_cache": true
    }
  },
  "seconds": 2.7957005500793457,
  "total_seconds": 3.2395050525665283,
  "stats": {
    "reqs_per_sec": 35.769518068394994
  },
  "ol-stats": {
    "Channel().cnt": 100,
    "Channel().ms-avg": 0,
    "Create().cnt": 101,
    "Create().ms-avg": 6,
    "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": 4,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 156,
    "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": 24,
    "Pause().cnt": 200,
    "Pause().ms-avg": 8,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 5,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 55,
    "evict.ms-avg": 10,
    "fork().cnt": 100,
    "fork().ms-avg": 4,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 70,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 24
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:46:23 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:23 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:23 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:23 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:23 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:23 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:46:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:46:23 remove worker.pid",
    "2019/08/21 21:46:23 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpijsy0i6a'}
PUSH conf: {'registry': '/tmp/tmpyr79uzc_'}
========================================
call_each_once_exec {'alloc_mb': 10, 'lambda_count': 1000}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "alloc_mb": 10,
    "lambda_count": 1000
  },
  "pass": true,
  "conf": {
    "registry": "/tmp/tmpyr79uzc_",
    "pip_mirror": "",
    "features": {
      "reuse_cgroups": true,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "server_mode": "lambda",
    "trace": {
      "cgroups": false,
      "package": false,
      "evictor": false,
      "memory": false
    },
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "registry_cache_ms": 5000,
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "limits": {
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0
    },
    "import_cache_tree": "",
    "sandbox": "sock",
    "docker_runtime": "",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker"
  },
  "seconds": 43.743473529815674,
  "total_seconds": 44.295727014541626,
  "stats": {
    "reqs_per_sec": 22.860568190015435
  },
  "ol-stats": {
    "Channel().cnt": 1000,
    "Channel().ms-avg": 0,
    "Create().cnt": 1001,
    "Create().ms-avg": 7,
    "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": 193,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 1981,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 7,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 39,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 8,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 19,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 3,
    "evict.cnt": 980,
    "evict.ms-avg": 11,
    "fork().cnt": 1000,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1000,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 41,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1000,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1000,
    "pull-lambda.ms-avg": 4,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 39
  },
  "errors": [],
  "worker_tail": [
    "2019/08/21 21:47:07 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:47:07 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:47:07 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:47:07 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:47:07 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:47:07 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/08/21 21:47:08 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/08/21 21:47:08 remove worker.pid",
    "2019/08/21 21:47:08 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpyr79uzc_'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0