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",
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 2.4190893173217773,
  "total_seconds": 2.690708637237549,
  "stats": {
    "pings_per_sec": 413.38208273290996
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:47:02 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:02 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:02 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:02 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:02 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:02 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:02 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:47:02 remove worker.pid",
    "2021/04/14 21:47:02 exiting",
    ""
  ]
}
PUSH conf: {'features': {'import_cache': False}}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": false,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.554644107818604,
  "total_seconds": 15.794942378997803,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 623,
    "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": 621,
    "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": 3876,
    "Pause().cnt": 4,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 231,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 34,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1518,
    "web-request.cnt": 4,
    "web-request.ms-avg": 3876
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:47:17 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:17 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:17 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:17 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:17 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:17 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:17 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:47:17 remove worker.pid",
    "2021/04/14 21:47:17 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",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 8.304115772247314,
  "total_seconds": 8.544503688812256,
  "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": 33,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 137,
    "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": 2067,
    "Pause().cnt": 8,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 44,
    "Unpause().cnt": 3,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 4,
    "childExit().ms-avg": 0,
    "fork().cnt": 4,
    "fork().ms-avg": 33,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 33,
    "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": 1295,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2067
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:47:26 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:26 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:26 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:26 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:26 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:26 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:26 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:47:26 remove worker.pid",
    "2021/04/14 21:47:26 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
PUSH conf: {'sandbox': 'docker', 'features': {'import_cache': False}}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "sandbox": "docker",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": false,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 24.03110647201538,
  "total_seconds": 25.082770824432373,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 1189,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 308,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 5997,
    "Pause().cnt": 4,
    "Pause().ms-avg": 27,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 49,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2481,
    "web-request.cnt": 4,
    "web-request.ms-avg": 5997
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:47:50 Kill function: install",
    "2021/04/14 21:47:50 Destroy() [SB 6]",
    "2021/04/14 21:47:51 Kill function: install2",
    "2021/04/14 21:47:51 Destroy() [SB 7]",
    "2021/04/14 21:47:51 Kill function: install3",
    "2021/04/14 21:47:51 Destroy() [SB 9]",
    "2021/04/14 21:47:51 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:47:51 remove worker.pid",
    "2021/04/14 21:47:51 exiting",
    ""
  ]
}
POP conf: {'sandbox': 'docker', 'features': {'import_cache': False}}
========================================
fork_bomb
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "fork_bomb",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 3.667670488357544,
  "total_seconds": 3.9006786346435547,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 1822,
    "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": 3629,
    "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": 3663,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 13,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 3663
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:47:55 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:55 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:55 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:55 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:55 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:55 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:55 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:47:55 remove worker.pid",
    "2021/04/14 21:47:55 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",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 0.8407838344573975,
  "total_seconds": 1.0692017078399658,
  "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": 5,
    "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": 837,
    "Pause().cnt": 2,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 678,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 5,
    "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": 837
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:47:56 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:56 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:56 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:56 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:56 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:56 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:47:56 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:47:56 remove worker.pid",
    "2021/04/14 21:47:56 exiting",
    ""
  ]
}
PUSH conf: {'mem_pool_mb': 500}
========================================
numpy_test
========================================
RUN ./ol worker -p=test-dir --detach
{'version': '1.19.5', 'result': 15}
RUN ./ol kill -p=test-dir
{
  "test": "numpy_test",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "package": false,
      "cgroups": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 38.917914152145386,
  "total_seconds": 39.16342091560364,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 13,
    "Channel().ms-avg": 0,
    "Create().cnt": 14,
    "Create().ms-avg": 102,
    "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": 5,
    "Create()/fresh-proc.cnt": 9,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 14,
    "Create()/make-root-fs.ms-avg": 11,
    "Destroy().cnt": 14,
    "Destroy().ms-avg": 3,
    "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": 7780,
    "Pause().cnt": 10,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 598,
    "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": 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": 60,
    "pull-package.cnt": 8,
    "pull-package.ms-avg": 4406,
    "web-request.cnt": 5,
    "web-request.ms-avg": 7780
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:48:35 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:35 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:35 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:35 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:35 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:35 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:35 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:48:35 remove worker.pid",
    "2021/04/14 21:48:35 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'mem_pool_mb': 500, 'server_mode': 'sock'}
========================================
sock_churn {'seconds': 5, 'baseline': 0, 'fork': False, 'procs': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 5,
    "baseline": 0,
    "fork": false,
    "procs": 1
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "server_mode": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "package": false,
      "cgroups": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 5.027607202529907,
  "total_seconds": 5.1511335372924805,
  "stats": {
    "sandboxes_per_sec": 4.8
  },
  "ol-stats": {
    "Create().cnt": 24,
    "Create().ms-avg": 191,
    "Create()/acquire-cgroup.cnt": 24,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 24,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 24,
    "Create()/fresh-proc.ms-avg": 187,
    "Create()/make-root-fs.cnt": 24,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 48,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 24,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 24,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 24,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 41,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:48:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:48:40 remove worker.pid",
    "2021/04/14 21:48:40 exiting",
    ""
  ]
}
========================================
sock_churn {'seconds': 10, 'baseline': 0, 'fork': True, 'procs': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 10,
    "baseline": 0,
    "fork": true,
    "procs": 1
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "server_mode": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "package": false,
      "cgroups": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 10.161392450332642,
  "total_seconds": 10.387441635131836,
  "stats": {
    "sandboxes_per_sec": 42.1
  },
  "ol-stats": {
    "Create().cnt": 422,
    "Create().ms-avg": 11,
    "Create()/acquire-cgroup.cnt": 422,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 422,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 421,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 133,
    "Create()/make-root-fs.cnt": 422,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 843,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 422,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 422,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 422,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 421,
    "childExit().ms-avg": 0,
    "fork().cnt": 421,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 421,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 439,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 421,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:48:51 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:51 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:51 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:51 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:51 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:51 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:48:51 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:48:51 remove worker.pid",
    "2021/04/14 21:48:51 exiting",
    ""
  ]
}
========================================
sock_churn {'seconds': 10, 'baseline': 0, 'fork': True, 'procs': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 10,
    "baseline": 0,
    "fork": true,
    "procs": 15
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "server_mode": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "package": false,
      "cgroups": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 10.29495096206665,
  "total_seconds": 10.53193736076355,
  "stats": {
    "sandboxes_per_sec": 45.8
  },
  "ol-stats": {
    "Create().cnt": 459,
    "Create().ms-avg": 82,
    "Create()/acquire-cgroup.cnt": 459,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 459,
    "Create()/acquire-mem.ms-avg": 15,
    "Create()/fork-proc.cnt": 458,
    "Create()/fork-proc.ms-avg": 62,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 459,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 917,
    "Destroy().ms-avg": 50,
    "Destroy()/detach-root.cnt": 459,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 459,
    "Destroy()/kill-procs.ms-avg": 12,
    "Destroy()/remove-root.cnt": 459,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 458,
    "childExit().ms-avg": 62,
    "fork().cnt": 458,
    "fork().ms-avg": 62,
    "forkRequest.cnt": 458,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 476,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 458,
    "move-to-cg-after-fork.ms-avg": 3
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:49:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:49:01 remove worker.pid",
    "2021/04/14 21:49:01 exiting",
    ""
  ]
}
========================================
sock_churn {'seconds': 10, 'baseline': 32, 'fork': True, 'procs': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 10,
    "baseline": 32,
    "fork": true,
    "procs": 1
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "server_mode": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "package": false,
      "cgroups": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 10.820455074310303,
  "total_seconds": 11.16144871711731,
  "stats": {
    "sandboxes_per_sec": 42.7
  },
  "ol-stats": {
    "Create().cnt": 460,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 460,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 460,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 459,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 133,
    "Create()/make-root-fs.cnt": 460,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 887,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 460,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 460,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 460,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 459,
    "childExit().ms-avg": 0,
    "fork().cnt": 459,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 459,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 477,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 459,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:49:12 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:12 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:12 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:12 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:12 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:12 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:12 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:49:12 remove worker.pid",
    "2021/04/14 21:49:12 exiting",
    ""
  ]
}
========================================
sock_churn {'seconds': 10, 'baseline': 32, 'fork': True, 'procs': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "seconds": 10,
    "baseline": 32,
    "fork": true,
    "procs": 15
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "server_mode": "sock",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "package": false,
      "cgroups": false,
      "evictor": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 11.17927098274231,
  "total_seconds": 11.542574644088745,
  "stats": {
    "sandboxes_per_sec": 39.2
  },
  "ol-stats": {
    "Create().cnt": 425,
    "Create().ms-avg": 138,
    "Create()/acquire-cgroup.cnt": 425,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 425,
    "Create()/acquire-mem.ms-avg": 77,
    "Create()/fork-proc.cnt": 424,
    "Create()/fork-proc.ms-avg": 57,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 250,
    "Create()/make-root-fs.cnt": 425,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 817,
    "Destroy().ms-avg": 50,
    "Destroy()/detach-root.cnt": 425,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 425,
    "Destroy()/kill-procs.ms-avg": 11,
    "Destroy()/remove-root.cnt": 425,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 424,
    "childExit().ms-avg": 59,
    "fork().cnt": 424,
    "fork().ms-avg": 57,
    "forkRequest.cnt": 424,
    "forkRequest.ms-avg": 11,
    "fresh-cgroup.cnt": 442,
    "fresh-cgroup.ms-avg": 7,
    "move-to-cg-after-fork.cnt": 424,
    "move-to-cg-after-fork.ms-avg": 3
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:49:24 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:24 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:24 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:24 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:24 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:24 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:24 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:49:24 remove worker.pid",
    "2021/04/14 21:49:24 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500, 'server_mode': 'sock'}
PUSH conf: {'registry': '/tmp/tmpu4rbj63e', 'registry_cache_ms': 3000}
========================================
update_code
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "update_code",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/tmp/tmpu4rbj63e",
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "storage": {
      "root": "private",
      "scratch": "",
      "code": ""
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 3000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 6.034128904342651,
  "total_seconds": 6.277327299118042,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 153,
    "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": 578,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1594,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1597,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1594,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1593,
    "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": 9,
    "web-request.cnt": 1594,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:49:30 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:30 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:30 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:30 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:30 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:30 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:30 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:49:30 remove worker.pid",
    "2021/04/14 21:49:30 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpu4rbj63e', 'registry_cache_ms': 3000}
PUSH conf: {'registry': '/root/open-lambda/test-registry'}
========================================
stress_one_lambda {'seconds': 15, 'procs': 1}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "seconds": 15,
    "procs": 1
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.038604974746704,
  "total_seconds": 15.268098831176758,
  "stats": {
    "reqs_per_sec": 293.6
  },
  "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": 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": 0,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4404,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4407,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4404,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4403,
    "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": 4404,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:49:46 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:46 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:46 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:46 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:46 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:46 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:49:46 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:49:46 remove worker.pid",
    "2021/04/14 21:49:46 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'seconds': 15, 'procs': 2}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "seconds": 15,
    "procs": 2
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.036447763442993,
  "total_seconds": 15.265882015228271,
  "stats": {
    "reqs_per_sec": 292.26666666666665
  },
  "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": 6,
    "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": 4384,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3924,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4384,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3920,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4384,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:50:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:50:01 remove worker.pid",
    "2021/04/14 21:50:01 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'seconds': 15, 'procs': 8}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "seconds": 15,
    "procs": 8
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": false
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.059139013290405,
  "total_seconds": 15.29009747505188,
  "stats": {
    "reqs_per_sec": 253.06666666666666
  },
  "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": 137,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 3796,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 2861,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3796,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 2857,
    "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": 3796,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:50:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:50:16 remove worker.pid",
    "2021/04/14 21:50:16 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpts6g8hbt'}
========================================
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/tmpts6g8hbt",
    "sandbox": "sock",
    "limits": {
      "procs": 10,
      "swappiness": 0,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "storage": {
      "scratch": "",
      "code": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": true
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 2.9206230640411377,
  "total_seconds": 3.3802449703216553,
  "stats": {
    "reqs_per_sec": 34.239585275531134
  },
  "ol-stats": {
    "Channel().cnt": 100,
    "Channel().ms-avg": 0,
    "Create().cnt": 101,
    "Create().ms-avg": 8,
    "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": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 136,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 157,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 24,
    "Pause().cnt": 200,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 5,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 2,
    "evict.cnt": 56,
    "evict.ms-avg": 9,
    "fork().cnt": 100,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 70,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 25
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:50:19 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:19 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:19 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:19 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:19 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:19 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:50:20 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:50:20 remove worker.pid",
    "2021/04/14 21:50:20 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpts6g8hbt'}
PUSH conf: {'registry': '/tmp/tmp2b33p8uc'}
========================================
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/tmp2b33p8uc",
    "sandbox": "sock",
    "limits": {
      "installer_mem_mb": 250,
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10
    },
    "storage": {
      "code": "",
      "root": "private",
      "scratch": ""
    },
    "server_mode": "lambda",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "sandbox_config": {},
    "features": {
      "import_cache": true,
      "downsize_paused_mem": true,
      "reuse_cgroups": true
    },
    "worker_port": "5000",
    "mem_pool_mb": 500,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "pip_mirror": "",
    "trace": {
      "evictor": false,
      "cgroups": false,
      "package": false,
      "memory": false
    },
    "import_cache_tree": "",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 42.29855155944824,
  "total_seconds": 42.837722063064575,
  "stats": {
    "reqs_per_sec": 23.641485863743057
  },
  "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": 137,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 1982,
    "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": 3,
    "evict.cnt": 981,
    "evict.ms-avg": 11,
    "fork().cnt": 1000,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1000,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 41,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1000,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1000,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 38
  },
  "errors": [],
  "worker_tail": [
    "2021/04/14 21:51:02 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:51:02 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:51:02 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:51:02 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:51:02 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:51:02 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/04/14 21:51:02 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/04/14 21:51:02 remove worker.pid",
    "2021/04/14 21:51:02 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp2b33p8uc'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0