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": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry": "/root/open-lambda/test-registry",
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 2.1690831184387207,
  "total_seconds": 2.342916965484619,
  "stats": {
    "pings_per_sec": 461.0287472468334
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:37:39 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:39 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:39 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:39 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:39 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:39 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:39 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:37:39 remove worker.pid",
    "2021/01/15 21:37:39 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": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry": "/root/open-lambda/test-registry",
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 13.04122519493103,
  "total_seconds": 13.285416841506958,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 274,
    "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": 270,
    "Create()/make-root-fs.cnt": 10,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 10,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 10,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 10,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 3250,
    "Pause().cnt": 4,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 86,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 7,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1794,
    "web-request.cnt": 4,
    "web-request.ms-avg": 3250
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:37:53 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:53 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:53 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:53 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:53 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:53 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:53 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:37:53 remove worker.pid",
    "2021/01/15 21:37:53 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": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "lambda",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 6.038940668106079,
  "total_seconds": 6.2840962409973145,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 101,
    "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": 10,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 146,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 11,
    "Destroy().ms-avg": 3,
    "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": 1501,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 45,
    "Unpause().cnt": 3,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 4,
    "childExit().ms-avg": 0,
    "fork().cnt": 4,
    "fork().ms-avg": 10,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 10,
    "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": 928,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1501
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:37:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:37:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:37:59 remove worker.pid",
    "2021/01/15 21:37:59 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": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry": "/root/open-lambda/test-registry",
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "features": {
      "reuse_cgroups": false,
      "import_cache": false,
      "downsize_paused_mem": true
    },
    "sandbox": "docker",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 19.382144927978516,
  "total_seconds": 21.907885551452637,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 1196,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 393,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 4832,
    "Pause().cnt": 4,
    "Pause().ms-avg": 81,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 2,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1964,
    "web-request.cnt": 4,
    "web-request.ms-avg": 4832
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:38:19 Kill function: install2",
    "2021/01/15 21:38:19 Destroy() [SB 7]",
    "2021/01/15 21:38:20 Kill function: install3",
    "2021/01/15 21:38:20 Destroy() [SB 9]",
    "2021/01/15 21:38:21 Kill function: echo",
    "2021/01/15 21:38:21 Destroy() [SB 0]",
    "2021/01/15 21:38:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:38:21 remove worker.pid",
    "2021/01/15 21:38:21 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": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "lambda",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 0.19762015342712402,
  "total_seconds": 0.4321777820587158,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 85,
    "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": 10,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 142,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 8,
    "Destroy().cnt": 2,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 2,
    "Destroy()/detach-root.ms-avg": 2,
    "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": 12,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 10,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 9,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 1,
    "web-request.ms-avg": 193
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:38:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:38:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:38:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:38:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:38:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:38:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:38:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:38:21 remove worker.pid",
    "2021/01/15 21:38:21 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": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "lambda",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 0.8801982402801514,
  "total_seconds": 1.1164541244506836,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 85,
    "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": 10,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 142,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 8,
    "Destroy().cnt": 2,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 2,
    "Destroy()/detach-root.ms-avg": 2,
    "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": 876,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 695,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 10,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 8,
    "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": 3,
    "web-request.cnt": 1,
    "web-request.ms-avg": 876
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:38:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:38:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:38:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:38:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:38:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:38:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:38:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:38:22 remove worker.pid",
    "2021/01/15 21:38:22 exiting",
    ""
  ]
}
PUSH conf: {'mem_pool_mb': 500}
========================================
numpy_test
========================================
RUN ./ol worker -p=test-dir --detach
{'result': 15, 'version': '1.19.5'}
RUN ./ol kill -p=test-dir
{
  "test": "numpy_test",
  "params": {},
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "lambda",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 88.9446632862091,
  "total_seconds": 89.18058013916016,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 13,
    "Channel().ms-avg": 0,
    "Create().cnt": 14,
    "Create().ms-avg": 176,
    "Create()/acquire-cgroup.cnt": 14,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 14,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 5,
    "Create()/fork-proc.ms-avg": 11,
    "Create()/fresh-proc.cnt": 9,
    "Create()/fresh-proc.ms-avg": 146,
    "Create()/make-root-fs.cnt": 14,
    "Create()/make-root-fs.ms-avg": 77,
    "Destroy().cnt": 14,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 14,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 14,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 14,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 17785,
    "Pause().cnt": 10,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 562,
    "Unpause().cnt": 4,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 5,
    "childExit().ms-avg": 0,
    "fork().cnt": 5,
    "fork().ms-avg": 11,
    "forkRequest.cnt": 5,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 31,
    "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": 8,
    "pull-package.ms-avg": 10659,
    "web-request.cnt": 5,
    "web-request.ms-avg": 17785
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:39:52 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:39:52 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:39:52 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:39:52 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:39:52 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:39:52 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:39:52 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:39:52 remove worker.pid",
    "2021/01/15 21:39:52 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
========================================
sock_churn {'procs': 1, 'baseline': 0, 'fork': False, 'seconds': 5}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "baseline": 0,
    "fork": false,
    "seconds": 5
  },
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "sock",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 5.047571897506714,
  "total_seconds": 5.171853065490723,
  "stats": {
    "sandboxes_per_sec": 5.8
  },
  "ol-stats": {
    "Create().cnt": 29,
    "Create().ms-avg": 154,
    "Create()/acquire-cgroup.cnt": 29,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 29,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 29,
    "Create()/fresh-proc.ms-avg": 145,
    "Create()/make-root-fs.cnt": 29,
    "Create()/make-root-fs.ms-avg": 8,
    "Destroy().cnt": 58,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 29,
    "Destroy()/detach-root.ms-avg": 2,
    "Destroy()/kill-procs.cnt": 29,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 29,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 46,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:39:57 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:39:57 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:39:57 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:39:57 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:39:57 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:39:57 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:39:57 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:39:57 remove worker.pid",
    "2021/01/15 21:39:57 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'baseline': 0, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "baseline": 0,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "sock",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 10.22974705696106,
  "total_seconds": 10.459275722503662,
  "stats": {
    "sandboxes_per_sec": 29.7
  },
  "ol-stats": {
    "Create().cnt": 298,
    "Create().ms-avg": 17,
    "Create()/acquire-cgroup.cnt": 298,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 298,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 297,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 298,
    "Create()/make-root-fs.ms-avg": 7,
    "Destroy().cnt": 595,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 298,
    "Destroy()/detach-root.ms-avg": 2,
    "Destroy()/kill-procs.cnt": 298,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 298,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 297,
    "childExit().ms-avg": 0,
    "fork().cnt": 297,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 297,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 315,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 297,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:40:07 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:07 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:07 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:07 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:07 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:07 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:07 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:40:07 remove worker.pid",
    "2021/01/15 21:40:07 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'baseline': 0, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "baseline": 0,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "sock",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 10.442996740341187,
  "total_seconds": 10.679047584533691,
  "stats": {
    "sandboxes_per_sec": 33.0
  },
  "ol-stats": {
    "Create().cnt": 331,
    "Create().ms-avg": 127,
    "Create()/acquire-cgroup.cnt": 331,
    "Create()/acquire-cgroup.ms-avg": 1,
    "Create()/acquire-mem.cnt": 331,
    "Create()/acquire-mem.ms-avg": 26,
    "Create()/fork-proc.cnt": 330,
    "Create()/fork-proc.ms-avg": 90,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 331,
    "Create()/make-root-fs.ms-avg": 6,
    "Destroy().cnt": 661,
    "Destroy().ms-avg": 71,
    "Destroy()/detach-root.cnt": 331,
    "Destroy()/detach-root.ms-avg": 2,
    "Destroy()/kill-procs.cnt": 331,
    "Destroy()/kill-procs.ms-avg": 19,
    "Destroy()/remove-root.cnt": 331,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 330,
    "childExit().ms-avg": 87,
    "fork().cnt": 330,
    "fork().ms-avg": 90,
    "forkRequest.cnt": 330,
    "forkRequest.ms-avg": 14,
    "fresh-cgroup.cnt": 348,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 330,
    "move-to-cg-after-fork.ms-avg": 4
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:40:18 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:18 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:18 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:18 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:18 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:18 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:18 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:40:18 remove worker.pid",
    "2021/01/15 21:40:18 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'baseline': 32, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "baseline": 32,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "sock",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 11.097838163375854,
  "total_seconds": 11.450133562088013,
  "stats": {
    "sandboxes_per_sec": 26.7
  },
  "ol-stats": {
    "Create().cnt": 300,
    "Create().ms-avg": 12,
    "Create()/acquire-cgroup.cnt": 300,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 300,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 299,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 140,
    "Create()/make-root-fs.cnt": 300,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 567,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 300,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 300,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 300,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 299,
    "childExit().ms-avg": 0,
    "fork().cnt": 299,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 299,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 317,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 299,
    "move-to-cg-after-fork.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:40:29 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:29 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:29 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:29 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:29 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:29 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:29 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:40:29 remove worker.pid",
    "2021/01/15 21:40:29 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'baseline': 32, 'fork': True, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "baseline": 32,
    "fork": true,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "sock",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 11.520225524902344,
  "total_seconds": 11.879022598266602,
  "stats": {
    "sandboxes_per_sec": 29.8
  },
  "ol-stats": {
    "Create().cnt": 331,
    "Create().ms-avg": 170,
    "Create()/acquire-cgroup.cnt": 331,
    "Create()/acquire-cgroup.ms-avg": 1,
    "Create()/acquire-mem.cnt": 331,
    "Create()/acquire-mem.ms-avg": 97,
    "Create()/fork-proc.cnt": 330,
    "Create()/fork-proc.ms-avg": 65,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 201,
    "Create()/make-root-fs.cnt": 331,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 629,
    "Destroy().ms-avg": 64,
    "Destroy()/detach-root.cnt": 331,
    "Destroy()/detach-root.ms-avg": 4,
    "Destroy()/kill-procs.cnt": 331,
    "Destroy()/kill-procs.ms-avg": 17,
    "Destroy()/remove-root.cnt": 331,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 330,
    "childExit().ms-avg": 71,
    "fork().cnt": 330,
    "fork().ms-avg": 65,
    "forkRequest.cnt": 330,
    "forkRequest.ms-avg": 14,
    "fresh-cgroup.cnt": 348,
    "fresh-cgroup.ms-avg": 5,
    "move-to-cg-after-fork.cnt": 330,
    "move-to-cg-after-fork.ms-avg": 3
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:40:41 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:41 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:41 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:41 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:41 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:41 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:40:41 remove worker.pid",
    "2021/01/15 21:40:41 exiting",
    ""
  ]
}
POP conf: {'server_mode': 'sock', 'mem_pool_mb': 500}
PUSH conf: {'registry': '/tmp/tmpzwrp_o94', '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": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry": "/tmp/tmpzwrp_o94",
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry_cache_ms": 3000,
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "features": {
      "reuse_cgroups": false,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 6.043730020523071,
  "total_seconds": 6.291971206665039,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 58,
    "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": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 177,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 6,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1576,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1579,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1576,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1575,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1576,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:40:47 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:47 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:47 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:47 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:47 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:47 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:40:47 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:40:47 remove worker.pid",
    "2021/01/15 21:40:47 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpzwrp_o94', 'registry_cache_ms': 3000}
PUSH conf: {'registry': '/root/open-lambda/test-registry'}
========================================
stress_one_lambda {'procs': 1, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 1,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "lambda",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.042579412460327,
  "total_seconds": 15.27591323852539,
  "stats": {
    "reqs_per_sec": 280.6666666666667
  },
  "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": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 139,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 8,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4210,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4213,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4210,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4209,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4210,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:41:03 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:03 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:03 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:03 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:03 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:03 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:41:03 remove worker.pid",
    "2021/01/15 21:41:03 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": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "lambda",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.0509033203125,
  "total_seconds": 15.284756898880005,
  "stats": {
    "reqs_per_sec": 278.26666666666665
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 50,
    "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": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 142,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 8,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4174,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3765,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4174,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3761,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 8,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4174,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:41:18 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:18 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:18 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:18 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:18 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:18 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:18 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:41:18 remove worker.pid",
    "2021/01/15 21:41:18 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": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "lambda",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "reuse_cgroups": false,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.072270154953003,
  "total_seconds": 15.405365228652954,
  "stats": {
    "reqs_per_sec": 251.0
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 51,
    "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": 10,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 143,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 8,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 3765,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 2823,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3765,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2819,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 10,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 8,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 3765,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:41:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:41:33 remove worker.pid",
    "2021/01/15 21:41:33 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpyn8ghyrv'}
========================================
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": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry": "/tmp/tmpyn8ghyrv",
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry_cache_ms": 5000,
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "features": {
      "reuse_cgroups": true,
      "import_cache": true,
      "downsize_paused_mem": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "server_mode": "lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 4.099799394607544,
  "total_seconds": 4.5848493576049805,
  "stats": {
    "reqs_per_sec": 24.39160045336942
  },
  "ol-stats": {
    "Channel().cnt": 100,
    "Channel().ms-avg": 0,
    "Create().cnt": 101,
    "Create().ms-avg": 9,
    "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": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 142,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 153,
    "Destroy().ms-avg": 6,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 4,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 36,
    "Pause().cnt": 200,
    "Pause().ms-avg": 14,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 10,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 5,
    "evict.cnt": 52,
    "evict.ms-avg": 16,
    "fork().cnt": 100,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 6,
    "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": 5,
    "web-request.cnt": 100,
    "web-request.ms-avg": 37
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:41:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:41:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:41:38 remove worker.pid",
    "2021/01/15 21:41:38 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpyn8ghyrv'}
PUSH conf: {'registry': '/tmp/tmpnxmsh55v'}
========================================
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": {
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "server_mode": "lambda",
    "worker_port": "5000",
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "registry_cache_ms": 5000,
    "import_cache_tree": "",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "mem_pool_mb": 500,
    "registry": "/tmp/tmpnxmsh55v",
    "features": {
      "reuse_cgroups": true,
      "downsize_paused_mem": true,
      "import_cache": true
    },
    "sandbox": "sock",
    "docker_runtime": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "trace": {
      "evictor": false,
      "memory": false,
      "package": false,
      "cgroups": false
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 64.52576303482056,
  "total_seconds": 65.07682371139526,
  "stats": {
    "reqs_per_sec": 15.497695625695984
  },
  "ol-stats": {
    "Channel().cnt": 1000,
    "Channel().ms-avg": 0,
    "Create().cnt": 1001,
    "Create().ms-avg": 11,
    "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": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 245,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1983,
    "Destroy().ms-avg": 8,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 9,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 60,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 13,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 30,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 6,
    "evict.cnt": 982,
    "evict.ms-avg": 17,
    "fork().cnt": 1000,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 1000,
    "forkRequest.ms-avg": 7,
    "fresh-cgroup.cnt": 40,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1000,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1000,
    "pull-lambda.ms-avg": 5,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 60
  },
  "errors": [],
  "worker_tail": [
    "2021/01/15 21:42:43 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:42:43 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:42:43 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:42:43 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:42:43 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:42:43 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/15 21:42:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/15 21:42:43 remove worker.pid",
    "2021/01/15 21:42:43 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpnxmsh55v'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0