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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 2.2345550060272217,
  "total_seconds": 2.652040481567383,
  "stats": {
    "pings_per_sec": 447.52078756242724
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:49:07 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:07 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:07 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:07 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:07 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:07 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:07 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:49:07 remove worker.pid",
    "2021/01/29 21:49:07 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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": false
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 13.710556507110596,
  "total_seconds": 13.950938701629639,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 378,
    "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": 374,
    "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": 3403,
    "Pause().cnt": 4,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 196,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 4,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1652,
    "web-request.cnt": 4,
    "web-request.ms-avg": 3403
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:49:21 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:21 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:21 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:21 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:21 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:21 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:21 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:49:21 remove worker.pid",
    "2021/01/29 21:49:21 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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 6.490480661392212,
  "total_seconds": 6.732585668563843,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 94,
    "Create()/acquire-cgroup.cnt": 11,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 11,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 4,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 141,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 1,
    "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": 1614,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 46,
    "Unpause().cnt": 3,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 4,
    "childExit().ms-avg": 0,
    "fork().cnt": 4,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 28,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 4,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1009,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1614
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:49:28 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:28 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:28 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:28 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:28 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:28 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:49:28 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:49:28 remove worker.pid",
    "2021/01/29 21:49:28 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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "sandbox": "docker",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": false
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 30.155724048614502,
  "total_seconds": 31.583247900009155,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 1786,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 374,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 7526,
    "Pause().cnt": 4,
    "Pause().ms-avg": 34,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2620,
    "web-request.cnt": 4,
    "web-request.ms-avg": 7526
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:49:58 Kill function: install",
    "2021/01/29 21:49:58 Destroy() [SB 6]",
    "2021/01/29 21:49:58 Kill function: install2",
    "2021/01/29 21:49:58 Destroy() [SB 7]",
    "2021/01/29 21:49:59 Kill function: install3",
    "2021/01/29 21:49:59 Destroy() [SB 9]",
    "2021/01/29 21:49:59 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:49:59 remove worker.pid",
    "2021/01/29 21:49:59 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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 0.5640106201171875,
  "total_seconds": 0.794468879699707,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 187,
    "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": 361,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 3,
    "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": 560,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "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": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 163,
    "web-request.cnt": 1,
    "web-request.ms-avg": 560
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:50:00 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:50:00 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:50:00 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:50:00 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:50:00 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:50:00 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:50:00 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:50:00 remove worker.pid",
    "2021/01/29 21:50:00 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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 0.931433916091919,
  "total_seconds": 1.164724349975586,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 76,
    "Create()/acquire-cgroup.cnt": 2,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 2,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "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": 927,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 716,
    "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": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 50,
    "web-request.cnt": 1,
    "web-request.ms-avg": 927
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:50:01 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:50:01 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:50:01 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:50:01 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:50:01 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:50:01 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:50:01 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:50:01 remove worker.pid",
    "2021/01/29 21:50:01 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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 85.99385619163513,
  "total_seconds": 86.33001041412354,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 13,
    "Channel().ms-avg": 0,
    "Create().cnt": 14,
    "Create().ms-avg": 118,
    "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": 31,
    "Create()/fresh-proc.cnt": 9,
    "Create()/fresh-proc.ms-avg": 162,
    "Create()/make-root-fs.cnt": 14,
    "Create()/make-root-fs.ms-avg": 1,
    "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": 3,
    "Destroy()/remove-root.cnt": 14,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 5,
    "LambdaFunc.Invoke.ms-avg": 17194,
    "Pause().cnt": 10,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 5,
    "ServeHTTP.ms-avg": 542,
    "Unpause().cnt": 4,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 5,
    "childExit().ms-avg": 0,
    "fork().cnt": 5,
    "fork().ms-avg": 31,
    "forkRequest.cnt": 5,
    "forkRequest.ms-avg": 31,
    "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": 2,
    "pull-package.cnt": 8,
    "pull-package.ms-avg": 10361,
    "web-request.cnt": 5,
    "web-request.ms-avg": 17194
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:51:27 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:27 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:27 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:27 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:27 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:27 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:27 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:51:27 remove worker.pid",
    "2021/01/29 21:51:27 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 {'fork': False, 'procs': 1, 'baseline': 0, 'seconds': 5}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "fork": false,
    "procs": 1,
    "baseline": 0,
    "seconds": 5
  },
  "pass": true,
  "conf": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "sock",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 5.139578580856323,
  "total_seconds": 5.363173246383667,
  "stats": {
    "sandboxes_per_sec": 5.0
  },
  "ol-stats": {
    "Create().cnt": 25,
    "Create().ms-avg": 172,
    "Create()/acquire-cgroup.cnt": 25,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 25,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 25,
    "Create()/fresh-proc.ms-avg": 143,
    "Create()/make-root-fs.cnt": 25,
    "Create()/make-root-fs.ms-avg": 28,
    "Destroy().cnt": 50,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 25,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 25,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 25,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 42,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:51:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:51:33 remove worker.pid",
    "2021/01/29 21:51:33 exiting",
    ""
  ]
}
========================================
sock_churn {'fork': True, 'procs': 1, 'baseline': 0, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "fork": true,
    "procs": 1,
    "baseline": 0,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "sock",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 10.183597326278687,
  "total_seconds": 10.412985563278198,
  "stats": {
    "sandboxes_per_sec": 42.0
  },
  "ol-stats": {
    "Create().cnt": 421,
    "Create().ms-avg": 11,
    "Create()/acquire-cgroup.cnt": 421,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 421,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 420,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 421,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 841,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 421,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 421,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 421,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 420,
    "childExit().ms-avg": 0,
    "fork().cnt": 420,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 420,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 438,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 420,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:51:43 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:43 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:43 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:43 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:43 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:43 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:51:43 remove worker.pid",
    "2021/01/29 21:51:43 exiting",
    ""
  ]
}
========================================
sock_churn {'fork': True, 'procs': 15, 'baseline': 0, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "fork": true,
    "procs": 15,
    "baseline": 0,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "sock",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 10.330735683441162,
  "total_seconds": 10.617548704147339,
  "stats": {
    "sandboxes_per_sec": 44.5
  },
  "ol-stats": {
    "Create().cnt": 446,
    "Create().ms-avg": 85,
    "Create()/acquire-cgroup.cnt": 446,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 446,
    "Create()/acquire-mem.ms-avg": 17,
    "Create()/fork-proc.cnt": 445,
    "Create()/fork-proc.ms-avg": 64,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 446,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 891,
    "Destroy().ms-avg": 52,
    "Destroy()/detach-root.cnt": 446,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 446,
    "Destroy()/kill-procs.ms-avg": 13,
    "Destroy()/remove-root.cnt": 446,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 445,
    "childExit().ms-avg": 63,
    "fork().cnt": 445,
    "fork().ms-avg": 64,
    "forkRequest.cnt": 445,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 463,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 445,
    "move-to-cg-after-fork.ms-avg": 3
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:51:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:51:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:51:54 remove worker.pid",
    "2021/01/29 21:51:54 exiting",
    ""
  ]
}
========================================
sock_churn {'fork': True, 'procs': 1, 'baseline': 32, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "fork": true,
    "procs": 1,
    "baseline": 32,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "sock",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 10.793598651885986,
  "total_seconds": 11.135567665100098,
  "stats": {
    "sandboxes_per_sec": 37.7
  },
  "ol-stats": {
    "Create().cnt": 410,
    "Create().ms-avg": 9,
    "Create()/acquire-cgroup.cnt": 410,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 410,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 409,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 410,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 787,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 410,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 410,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 410,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 409,
    "childExit().ms-avg": 0,
    "fork().cnt": 409,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 409,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 427,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 409,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:52:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:52:05 remove worker.pid",
    "2021/01/29 21:52:05 exiting",
    ""
  ]
}
========================================
sock_churn {'fork': True, 'procs': 15, 'baseline': 32, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "fork": true,
    "procs": 15,
    "baseline": 32,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "sock",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-dir/registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 11.106890439987183,
  "total_seconds": 11.454700231552124,
  "stats": {
    "sandboxes_per_sec": 40.1
  },
  "ol-stats": {
    "Create().cnt": 434,
    "Create().ms-avg": 127,
    "Create()/acquire-cgroup.cnt": 434,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 434,
    "Create()/acquire-mem.ms-avg": 70,
    "Create()/fork-proc.cnt": 433,
    "Create()/fork-proc.ms-avg": 52,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 148,
    "Create()/make-root-fs.cnt": 434,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 835,
    "Destroy().ms-avg": 47,
    "Destroy()/detach-root.cnt": 434,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 434,
    "Destroy()/kill-procs.ms-avg": 9,
    "Destroy()/remove-root.cnt": 434,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 433,
    "childExit().ms-avg": 56,
    "fork().cnt": 433,
    "fork().ms-avg": 52,
    "forkRequest.cnt": 433,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 451,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 433,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:52:16 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:16 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:16 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:16 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:16 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:16 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:16 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:52:16 remove worker.pid",
    "2021/01/29 21:52:16 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500, 'server_mode': 'sock'}
PUSH conf: {'registry': '/tmp/tmpw2uju7ag', '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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/tmp/tmpw2uju7ag",
    "worker_port": "5000",
    "registry_cache_ms": 3000,
    "pip_mirror": "",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "swappiness": 0,
      "installer_mem_mb": 250
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 6.038983583450317,
  "total_seconds": 6.282987594604492,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 49,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 162,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1672,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1675,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1672,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1671,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "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": 2,
    "web-request.cnt": 1672,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:52:23 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:23 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:23 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:23 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:23 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:23 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:23 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:52:23 remove worker.pid",
    "2021/01/29 21:52:23 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpw2uju7ag', '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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.045518159866333,
  "total_seconds": 15.279237985610962,
  "stats": {
    "reqs_per_sec": 284.8
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 44,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 138,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 3,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4272,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4275,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4272,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4271,
    "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": 4272,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:52:38 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:38 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:38 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:38 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:38 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:38 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:38 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:52:38 remove worker.pid",
    "2021/01/29 21:52:38 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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.045275688171387,
  "total_seconds": 15.276498079299927,
  "stats": {
    "reqs_per_sec": 291.6666666666667
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 45,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 139,
    "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": 4375,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4017,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4375,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4013,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 8,
    "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": 2,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4375,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:52:53 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:53 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:53 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:53 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:53 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:53 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:52:53 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:52:53 remove worker.pid",
    "2021/01/29 21:52:53 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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/root/open-lambda/test-registry",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": false,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 15.069012880325317,
  "total_seconds": 15.30012559890747,
  "stats": {
    "reqs_per_sec": 266.1333333333333
  },
  "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": 3,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 3992,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 3015,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3992,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3011,
    "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": 4,
    "web-request.cnt": 3992,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:53:09 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:09 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:09 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:09 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:09 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:09 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:09 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:53:09 remove worker.pid",
    "2021/01/29 21:53:09 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpnhc9ol4k'}
========================================
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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/tmp/tmpnhc9ol4k",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "pip_mirror": "",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": true,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "installer_mem_mb": 250,
      "mem_mb": 50,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 2.9840147495269775,
  "total_seconds": 3.4237124919891357,
  "stats": {
    "reqs_per_sec": 33.5124609938513
  },
  "ol-stats": {
    "Channel().cnt": 100,
    "Channel().ms-avg": 0,
    "Create().cnt": 101,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 101,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 101,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 100,
    "Create()/fork-proc.ms-avg": 5,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 155,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 3,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 25,
    "Pause().cnt": 200,
    "Pause().ms-avg": 10,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 6,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 54,
    "evict.ms-avg": 11,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 69,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 100,
    "web-request.ms-avg": 25
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:53:12 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:12 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:12 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:12 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:12 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:12 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:12 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:53:12 remove worker.pid",
    "2021/01/29 21:53:12 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpnhc9ol4k'}
PUSH conf: {'registry': '/tmp/tmpe4ta0h7w'}
========================================
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": {
    "trace": {
      "memory": false,
      "cgroups": false,
      "evictor": false,
      "package": false
    },
    "pip_mirror": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "mem_pool_mb": 500,
    "server_mode": "lambda",
    "sandbox_config": {},
    "import_cache_tree": "",
    "registry": "/tmp/tmpe4ta0h7w",
    "worker_port": "5000",
    "registry_cache_ms": 5000,
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock",
    "features": {
      "downsize_paused_mem": true,
      "reuse_cgroups": true,
      "import_cache": true
    },
    "docker_runtime": "",
    "limits": {
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250,
      "swappiness": 0
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages"
  },
  "seconds": 46.821823596954346,
  "total_seconds": 47.45600628852844,
  "stats": {
    "reqs_per_sec": 21.35758134907234
  },
  "ol-stats": {
    "Channel().cnt": 1000,
    "Channel().ms-avg": 0,
    "Create().cnt": 1001,
    "Create().ms-avg": 8,
    "Create()/acquire-cgroup.cnt": 1001,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 1001,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 1000,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 168,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1980,
    "Destroy().ms-avg": 6,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 8,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 42,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 20,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 4,
    "evict.cnt": 979,
    "evict.ms-avg": 13,
    "fork().cnt": 1000,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1000,
    "forkRequest.ms-avg": 5,
    "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": 3,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 42
  },
  "errors": [],
  "worker_tail": [
    "2021/01/29 21:53:59 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:59 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:59 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:59 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:59 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:53:59 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2021/01/29 21:54:00 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2021/01/29 21:54:00 remove worker.pid",
    "2021/01/29 21:54:00 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpe4ta0h7w'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 18, FAILED: 0