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",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 2.180914878845215,
  "total_seconds": 2.4179513454437256,
  "stats": {
    "pings_per_sec": 458.52732877339054
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:42:46 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:42:46 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:42:46 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:42:46 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:42:46 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:42:46 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:42:46 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:42:46 remove worker.pid",
    "2019/12/04 21:42:46 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",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 9.404758214950562,
  "total_seconds": 9.644145488739014,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 298,
    "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": 297,
    "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": 2340,
    "Pause().cnt": 4,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 52,
    "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": 1163,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2340
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:42:55 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:42:55 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:42:55 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:42:55 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:42:55 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:42:55 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:42:55 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:42:55 remove worker.pid",
    "2019/12/04 21:42:55 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",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "lambda",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 5.93212628364563,
  "total_seconds": 6.168678283691406,
  "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": 7,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 138,
    "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": 1475,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 42,
    "Unpause().cnt": 3,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 4,
    "childExit().ms-avg": 0,
    "fork().cnt": 4,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 28,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 4,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 920,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1475
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:43:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:43:01 remove worker.pid",
    "2019/12/04 21:43:01 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",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "docker",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 19.37864065170288,
  "total_seconds": 20.406479597091675,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 877,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 251,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 4834,
    "Pause().cnt": 4,
    "Pause().ms-avg": 30,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 2,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2268,
    "web-request.cnt": 4,
    "web-request.ms-avg": 4834
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:43:21 Kill function: install",
    "2019/12/04 21:43:21 Destroy() [SB 6]",
    "2019/12/04 21:43:21 Kill function: install2",
    "2019/12/04 21:43:21 Destroy() [SB 7]",
    "2019/12/04 21:43:22 Kill function: install3",
    "2019/12/04 21:43:22 Destroy() [SB 9]",
    "2019/12/04 21:43:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:43:22 remove worker.pid",
    "2019/12/04 21:43:22 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",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "lambda",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 0.17242646217346191,
  "total_seconds": 0.4028346538543701,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 74,
    "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": 134,
    "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": 168,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "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": 5,
    "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": 168
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:43:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:43:22 remove worker.pid",
    "2019/12/04 21:43:22 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",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "lambda",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 0.8190140724182129,
  "total_seconds": 1.04923415184021,
  "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": 815,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 654,
    "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": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 815
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:43:23 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:23 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:23 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:23 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:23 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:23 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:43:23 remove worker.pid",
    "2019/12/04 21:43:23 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",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "lambda",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 32.0094792842865,
  "total_seconds": 32.285377979278564,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 12,
    "Channel().ms-avg": 0,
    "Create().cnt": 13,
    "Create().ms-avg": 96,
    "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": 146,
    "Create()/make-root-fs.cnt": 13,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 13,
    "Destroy().ms-avg": 10,
    "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": 7,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 6398,
    "Pause().cnt": 10,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 265,
    "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": 2,
    "pull-package.cnt": 7,
    "pull-package.ms-avg": 4344,
    "web-request.cnt": 5,
    "web-request.ms-avg": 6398
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:43:55 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:55 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:55 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:55 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:55 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:55 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:43:55 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:43:55 remove worker.pid",
    "2019/12/04 21:43:55 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
========================================
sock_churn {'baseline': 0, 'procs': 1, 'seconds': 5, 'fork': False}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "procs": 1,
    "seconds": 5,
    "fork": false
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "sock",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 5.021008253097534,
  "total_seconds": 5.242558002471924,
  "stats": {
    "sandboxes_per_sec": 6.2
  },
  "ol-stats": {
    "Create().cnt": 31,
    "Create().ms-avg": 144,
    "Create()/acquire-cgroup.cnt": 31,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 31,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 31,
    "Create()/fresh-proc.ms-avg": 140,
    "Create()/make-root-fs.cnt": 31,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 62,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 31,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 31,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 31,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 48,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:44:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:44:01 remove worker.pid",
    "2019/12/04 21:44:01 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'procs': 1, 'seconds': 10, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "procs": 1,
    "seconds": 10,
    "fork": true
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "sock",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 10.157917022705078,
  "total_seconds": 10.392076015472412,
  "stats": {
    "sandboxes_per_sec": 45.5
  },
  "ol-stats": {
    "Create().cnt": 456,
    "Create().ms-avg": 10,
    "Create()/acquire-cgroup.cnt": 456,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 456,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 455,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 131,
    "Create()/make-root-fs.cnt": 456,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 911,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 456,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 456,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 456,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 455,
    "childExit().ms-avg": 0,
    "fork().cnt": 455,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 455,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 473,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 455,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:44:11 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:11 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:11 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:11 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:11 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:11 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:11 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:44:11 remove worker.pid",
    "2019/12/04 21:44:11 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'procs': 15, 'seconds': 10, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "procs": 15,
    "seconds": 10,
    "fork": true
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "sock",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 10.347238779067993,
  "total_seconds": 10.583484649658203,
  "stats": {
    "sandboxes_per_sec": 45.9
  },
  "ol-stats": {
    "Create().cnt": 460,
    "Create().ms-avg": 80,
    "Create()/acquire-cgroup.cnt": 460,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 460,
    "Create()/acquire-mem.ms-avg": 16,
    "Create()/fork-proc.cnt": 459,
    "Create()/fork-proc.ms-avg": 60,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 460,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 919,
    "Destroy().ms-avg": 47,
    "Destroy()/detach-root.cnt": 460,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 460,
    "Destroy()/kill-procs.ms-avg": 10,
    "Destroy()/remove-root.cnt": 460,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 459,
    "childExit().ms-avg": 61,
    "fork().cnt": 459,
    "fork().ms-avg": 60,
    "forkRequest.cnt": 459,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 477,
    "fresh-cgroup.ms-avg": 5,
    "move-to-cg-after-fork.cnt": 459,
    "move-to-cg-after-fork.ms-avg": 3
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:44:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:44:22 remove worker.pid",
    "2019/12/04 21:44:22 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'procs': 1, 'seconds': 10, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "procs": 1,
    "seconds": 10,
    "fork": true
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "sock",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 10.797989845275879,
  "total_seconds": 11.136320352554321,
  "stats": {
    "sandboxes_per_sec": 45.7
  },
  "ol-stats": {
    "Create().cnt": 490,
    "Create().ms-avg": 6,
    "Create()/acquire-cgroup.cnt": 490,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 490,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 489,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 490,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 947,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 490,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 490,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 490,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 489,
    "childExit().ms-avg": 0,
    "fork().cnt": 489,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 489,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 507,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 489,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:44:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:44:33 remove worker.pid",
    "2019/12/04 21:44:33 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'procs': 15, 'seconds': 10, 'fork': True}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "procs": 15,
    "seconds": 10,
    "fork": true
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "sock",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 10.9663827419281,
  "total_seconds": 11.426811456680298,
  "stats": {
    "sandboxes_per_sec": 41.9
  },
  "ol-stats": {
    "Create().cnt": 452,
    "Create().ms-avg": 118,
    "Create()/acquire-cgroup.cnt": 452,
    "Create()/acquire-cgroup.ms-avg": 1,
    "Create()/acquire-mem.cnt": 452,
    "Create()/acquire-mem.ms-avg": 69,
    "Create()/fork-proc.cnt": 451,
    "Create()/fork-proc.ms-avg": 44,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 139,
    "Create()/make-root-fs.cnt": 452,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 871,
    "Destroy().ms-avg": 41,
    "Destroy()/detach-root.cnt": 452,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 452,
    "Destroy()/kill-procs.ms-avg": 10,
    "Destroy()/remove-root.cnt": 452,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 451,
    "childExit().ms-avg": 47,
    "fork().cnt": 451,
    "fork().ms-avg": 44,
    "forkRequest.cnt": 451,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 469,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 451,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:44:44 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:44 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:44 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:44 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:44 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:44 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:44 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:44:44 remove worker.pid",
    "2019/12/04 21:44:44 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry_cache_ms': 3000, 'registry': '/tmp/tmpw51wa3x9'}
========================================
update_code
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "update_code",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/tmp/tmpw51wa3x9",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "registry_cache_ms": 3000,
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 6.034026145935059,
  "total_seconds": 6.275067329406738,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 49,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 162,
    "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": 0,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1682,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1685,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1682,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1681,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 1,
    "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": 8,
    "web-request.cnt": 1682,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:44:51 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:51 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:51 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:51 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:51 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:51 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:44:51 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:44:51 remove worker.pid",
    "2019/12/04 21:44:51 exiting",
    ""
  ]
}
POP conf: {'registry_cache_ms': 3000, 'registry': '/tmp/tmpw51wa3x9'}
PUSH conf: {'registry': '/root/open-lambda/test-registry'}
========================================
stress_one_lambda {'procs': 1, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 1,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "lambda",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 15.04451322555542,
  "total_seconds": 15.274456977844238,
  "stats": {
    "reqs_per_sec": 286.0
  },
  "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": 135,
    "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": 4290,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4293,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4290,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4289,
    "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": 4290,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:45:06 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:06 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:06 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:06 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:06 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:06 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:06 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:45:06 remove worker.pid",
    "2019/12/04 21:45:06 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'procs': 2, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 2,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "lambda",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 15.047521829605103,
  "total_seconds": 15.277715682983398,
  "stats": {
    "reqs_per_sec": 286.3333333333333
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 42,
    "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": 136,
    "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": 4295,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3912,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4295,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3908,
    "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": 1,
    "web-request.cnt": 4295,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:45:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:45:21 remove worker.pid",
    "2019/12/04 21:45:21 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'procs': 8, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 8,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "lambda",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 15.065226793289185,
  "total_seconds": 15.29468822479248,
  "stats": {
    "reqs_per_sec": 274.53333333333336
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 42,
    "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": 135,
    "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": 4118,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 2958,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4118,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2954,
    "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": 4,
    "web-request.cnt": 4118,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:45:36 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:36 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:36 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:36 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:36 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:36 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:36 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:45:36 remove worker.pid",
    "2019/12/04 21:45:36 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpdm2scqty'}
========================================
call_each_once_exec {'lambda_count': 100, 'alloc_mb': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "lambda_count": 100,
    "alloc_mb": 1
  },
  "pass": true,
  "conf": {
    "registry": "/tmp/tmpdm2scqty",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "registry_cache_ms": 5000,
    "server_mode": "lambda",
    "features": {
      "reuse_cgroups": true,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 2.8031015396118164,
  "total_seconds": 3.2884979248046875,
  "stats": {
    "reqs_per_sec": 35.675093708378355
  },
  "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": 133,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 155,
    "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": 2,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 23,
    "Pause().cnt": 200,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 5,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 54,
    "evict.ms-avg": 9,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 70,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 100,
    "web-request.ms-avg": 24
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:45:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:45:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:45:40 remove worker.pid",
    "2019/12/04 21:45:40 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpdm2scqty'}
PUSH conf: {'registry': '/tmp/tmp2izuzdny'}
========================================
call_each_once_exec {'lambda_count': 1000, 'alloc_mb': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "lambda_count": 1000,
    "alloc_mb": 10
  },
  "pass": true,
  "conf": {
    "registry": "/tmp/tmp2izuzdny",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox": "sock",
    "registry_cache_ms": 5000,
    "mem_pool_mb": 500,
    "trace": {
      "package": false,
      "memory": false,
      "evictor": false,
      "cgroups": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "sandbox_config": {},
    "worker_port": "5000",
    "server_mode": "lambda",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": true
    },
    "import_cache_tree": "",
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "docker_runtime": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda"
  },
  "seconds": 42.26196098327637,
  "total_seconds": 42.794090270996094,
  "stats": {
    "reqs_per_sec": 23.661956238335986
  },
  "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": 139,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1981,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 7,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 38,
    "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": 2,
    "evict.cnt": 980,
    "evict.ms-avg": 10,
    "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": 38
  },
  "errors": [],
  "worker_tail": [
    "2019/12/04 21:46:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:46:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:46:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:46:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:46:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:46:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2019/12/04 21:46:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2019/12/04 21:46:23 remove worker.pid",
    "2019/12/04 21:46:23 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp2izuzdny'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0