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",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 2.139111042022705,
  "total_seconds": 2.363832712173462,
  "stats": {
    "pings_per_sec": 467.4987109607238
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:47:04 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:04 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:04 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:04 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:04 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:04 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:04 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:47:04 remove worker.pid",
    "2020/11/17 21:47:04 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",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": false,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 10.006038904190063,
  "total_seconds": 10.243403911590576,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 271,
    "Create()/acquire-cgroup.cnt": 10,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 10,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 10,
    "Create()/fresh-proc.ms-avg": 270,
    "Create()/make-root-fs.cnt": 10,
    "Create()/make-root-fs.ms-avg": 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": 2492,
    "Pause().cnt": 4,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 124,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 3,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1265,
    "web-request.cnt": 4,
    "web-request.ms-avg": 2492
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:47:14 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:14 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:14 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:14 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:14 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:14 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:14 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:47:14 remove worker.pid",
    "2020/11/17 21:47:14 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",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 7.832460165023804,
  "total_seconds": 8.071606159210205,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 92,
    "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": 138,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 11,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 11,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 11,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 11,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 1950,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 43,
    "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": 5,
    "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": 1235,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1950
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:47:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:47:22 remove worker.pid",
    "2020/11/17 21:47:22 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500}
PUSH conf: {'features': {'import_cache': False}, 'sandbox': 'docker'}
========================================
install_tests
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "install_tests",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": false,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "docker",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 16.431459665298462,
  "total_seconds": 17.455729484558105,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 920,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 246,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 4096,
    "Pause().cnt": 4,
    "Pause().ms-avg": 29,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1817,
    "web-request.cnt": 4,
    "web-request.ms-avg": 4096
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:47:39 Kill function: install",
    "2020/11/17 21:47:39 Destroy() [SB 6]",
    "2020/11/17 21:47:39 Kill function: install2",
    "2020/11/17 21:47:39 Destroy() [SB 7]",
    "2020/11/17 21:47:40 Kill function: install3",
    "2020/11/17 21:47:40 Destroy() [SB 9]",
    "2020/11/17 21:47:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:47:40 remove worker.pid",
    "2020/11/17 21:47:40 exiting",
    ""
  ]
}
POP conf: {'features': {'import_cache': False}, 'sandbox': 'docker'}
========================================
fork_bomb
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "fork_bomb",
  "params": {},
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 0.314284086227417,
  "total_seconds": 0.5322132110595703,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 145,
    "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": 275,
    "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": 310,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 11,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 3,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 310
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:47:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:47:40 remove worker.pid",
    "2020/11/17 21:47:40 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",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 0.8293931484222412,
  "total_seconds": 1.0609760284423828,
  "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": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 136,
    "Create()/make-root-fs.cnt": 2,
    "Create()/make-root-fs.ms-avg": 4,
    "Destroy().cnt": 2,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 2,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 2,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 2,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1,
    "LambdaFunc.Invoke.ms-avg": 825,
    "Pause().cnt": 2,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 665,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 825
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:47:41 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:47:41 remove worker.pid",
    "2020/11/17 21:47:41 exiting",
    ""
  ]
}
PUSH conf: {'mem_pool_mb': 500}
========================================
numpy_test
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "numpy_test",
  "params": {},
  "pass": false,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": null,
  "total_seconds": 56.22787928581238,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 151,
    "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": 229,
    "Create()/make-root-fs.cnt": 11,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 11,
    "Destroy().ms-avg": 38,
    "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": 35,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 13868,
    "Pause().cnt": 8,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 126,
    "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": 5,
    "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": 5,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 9123,
    "web-request.cnt": 4,
    "web-request.ms-avg": 13868
  },
  "errors": [
    [
      "Traceback (most recent call last):",
      "  File \"test.py\", line 81, in wrapper",
      "    rv = fn(**kwargs)",
      "  File \"test.py\", line 246, in numpy_test",
      "    raise Exception(\"STATUS %d: %s\" % (r.status_code, r.text))",
      "Exception: STATUS 500: <html><title>500: Internal Server Error</title><body>500: Internal Server Error</body></html>",
      ""
    ]
  ],
  "worker_tail": [
    "using existing OL directory at /root/open-lambda/test-dir",
    "2020/11/17 21:47:41 save PID 10652 to file /root/open-lambda/test-dir/worker/worker.pid",
    "2020/11/17 21:47:41 Start Lambda Server",
    "2020/11/17 21:47:41 Storage dir at /root/open-lambda/test-dir/worker/code",
    "2020/11/17 21:47:41 Storage dir at /root/open-lambda/test-dir/worker/scratch",
    "2020/11/17 21:47:41 Create SandboxPool",
    "2020/11/17 21:47:41 create /sys/fs/cgroup/blkio/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 create /sys/fs/cgroup/cpu/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 create /sys/fs/cgroup/devices/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 create /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 create /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 create /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 create /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 create /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 create /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:41 Storage dir at /root/open-lambda/test-dir/worker/root-sandboxes",
    "2020/11/17 21:47:41 Create DepTracer",
    "2020/11/17 21:47:41 Create PackagePuller",
    "2020/11/17 21:47:41 Create ImportCache",
    "2020/11/17 21:47:41 Import Cache Tree:",
    "2020/11/17 21:47:41 0    - ROOT",
    "2020/11/17 21:47:41 Create HandlerPuller",
    "2020/11/17 21:47:41 Setups Handlers",
    "2020/11/17 21:47:41 Execute handler by POSTing to localhost:5000/run/<lambda>",
    "2020/11/17 21:47:41 Get status by sending request to localhost:5000/status",
    "2020/11/17 21:47:41 start creating/serving CGs [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:42 Receive request to /pid",
    "2020/11/17 21:47:42 Receive request to /run/numpy15",
    "2020/11/17 21:47:42 debug: LambdaFunc.Task() runs on goroutine 18 [FUNC numpy15]",
    "2020/11/17 21:47:42 do pip install, using scratchDir='/root/open-lambda/test-dir/lambda/packages/numpy==1.15'",
    "2020/11/17 21:47:42 run pip install numpy==1.15 from a new Sandbox to /root/open-lambda/test-dir/lambda/packages/numpy==1.15 on host",
    "2020/11/17 21:47:42 <sandboxes>.Create(<nil>, true, /root/open-lambda/test-dir/worker/admin-lambdas/pip-install, /root/open-lambda/test-dir/lambda/packages/numpy==1.15, <installs=[], imports=[], mem-limit-mb=250>)=1... [SOCK POOL sandboxes]",
    "2020/11/17 21:47:42 use cgroup cg-1 [SOCK 1]",
    "sock2.py: started new process with args: sock2.py /host/bootstrap.py 9",
    "sock2.py: joined cgroup, close FD 3",
    "sock2.py: joined cgroup, close FD 4",
    "sock2.py: joined cgroup, close FD 5",
    "sock2.py: joined cgroup, close FD 6",
    "sock2.py: joined cgroup, close FD 7",
    "sock2.py: joined cgroup, close FD 8",
    "sock2.py: joined cgroup, close FD 9",
    "sock2.py: joined cgroup, close FD 10",
    "sock2.py: joined cgroup, close FD 11",
    "sock2.py: start web server on fd: 3",
    "2020/11/17 21:47:42 ...returns <SB 1>, <nil> [SOCK POOL sandboxes]",
    "2020/11/17 21:47:42 Channel() [SB 1]",
    "Collecting numpy==1.15",
    "  Downloading numpy-1.15.0-cp36-cp36m-manylinux1_x86_64.whl (13.9 MB)",
    "Installing collected packages: numpy",
    "Successfully installed numpy-1.15.0",
    "pip install returned code 0",
    "2020/11/17 21:47:54 Destroy() [SB 1]",
    "2020/11/17 21:47:54 CG ref count decremented to 0 [SOCK 1]",
    "2020/11/17 21:47:54 waiting for 1 procs in cg-1 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:47:54 killed PIDs [10666] in CG [SOCK 1]",
    "2020/11/17 21:47:54 unmount and remove dirs [SOCK 1]",
    "2020/11/17 21:47:54 increase instances to 1 [FUNC numpy15]",
    "2020/11/17 21:47:54 Try using Zygote from <ROOT>",
    "2020/11/17 21:47:54 <sandboxes>.Create(<nil>, false, /root/open-lambda/test-dir/worker/code/1004-import-cache, /root/open-lambda/test-dir/worker/scratch/1005-import-cache, <installs=[], imports=[], mem-limit-mb=50>)=2... [SOCK POOL sandboxes]",
    "2020/11/17 21:47:54 use cgroup cg-2 [SOCK 2]",
    "sock2.py: started new process with args: sock2.py /host/bootstrap.py 9",
    "sock2.py: joined cgroup, close FD 3",
    "sock2.py: joined cgroup, close FD 4",
    "sock2.py: joined cgroup, close FD 5",
    "sock2.py: joined cgroup, close FD 6",
    "sock2.py: joined cgroup, close FD 7",
    "sock2.py: joined cgroup, close FD 8",
    "sock2.py: joined cgroup, close FD 9",
    "sock2.py: joined cgroup, close FD 10",
    "sock2.py: joined cgroup, close FD 11",
    "sock2.py: start fork server on fd: 3",
    "2020/11/17 21:47:54 ...returns <SB 2>, <nil> [SOCK POOL sandboxes]",
    "2020/11/17 21:47:54 <sandboxes>.Create(<SB 2>, true, /root/open-lambda/test-dir/worker/code/1001-numpy15, /root/open-lambda/test-dir/worker/scratch/1003-numpy15, <installs=[numpy==1.15], imports=[], mem-limit-mb=50>)=3... [SOCK POOL sandboxes]",
    "2020/11/17 21:47:54 use cgroup cg-3 [SOCK 3]",
    "2020/11/17 21:47:54 fork(SB 3) [SB 2]",
    "sock2.py: start web server on fd: 3",
    "2020/11/17 21:47:54 move PID 10681 from CG cg-2 to CG cg-3 [SOCK 2]",
    "2020/11/17 21:47:54 ...returns <SB 3>, <nil> [SOCK POOL sandboxes]",
    "2020/11/17 21:47:54 Pause() [SB 2]",
    "2020/11/17 21:47:54 Channel() [SB 3]",
    "2020/11/17 21:47:54 Pause() [SB 3]",
    "2020/11/17 21:47:54 Receive request to /run/numpy16",
    "2020/11/17 21:47:54 debug: LambdaFunc.Task() runs on goroutine 32 [FUNC numpy16]",
    "2020/11/17 21:47:54 do pip install, using scratchDir='/root/open-lambda/test-dir/lambda/packages/numpy==1.16'",
    "2020/11/17 21:47:54 run pip install numpy==1.16 from a new Sandbox to /root/open-lambda/test-dir/lambda/packages/numpy==1.16 on host",
    "2020/11/17 21:47:54 <sandboxes>.Create(<nil>, true, /root/open-lambda/test-dir/worker/admin-lambdas/pip-install, /root/open-lambda/test-dir/lambda/packages/numpy==1.16, <installs=[], imports=[], mem-limit-mb=250>)=4... [SOCK POOL sandboxes]",
    "2020/11/17 21:47:54 use cgroup cg-4 [SOCK 4]",
    "sock2.py: started new process with args: sock2.py /host/bootstrap.py 9",
    "sock2.py: joined cgroup, close FD 3",
    "sock2.py: joined cgroup, close FD 4",
    "sock2.py: joined cgroup, close FD 5",
    "sock2.py: joined cgroup, close FD 6",
    "sock2.py: joined cgroup, close FD 7",
    "sock2.py: joined cgroup, close FD 8",
    "sock2.py: joined cgroup, close FD 9",
    "sock2.py: joined cgroup, close FD 10",
    "sock2.py: joined cgroup, close FD 11",
    "sock2.py: start web server on fd: 3",
    "2020/11/17 21:47:54 ...returns <SB 4>, <nil> [SOCK POOL sandboxes]",
    "2020/11/17 21:47:54 Channel() [SB 4]",
    "Collecting numpy==1.16",
    "  Downloading numpy-1.16.0-cp36-cp36m-manylinux1_x86_64.whl (17.3 MB)",
    "Installing collected packages: numpy",
    "Successfully installed numpy-1.16.0",
    "pip install returned code 0",
    "2020/11/17 21:48:20 Destroy() [SB 4]",
    "2020/11/17 21:48:20 CG ref count decremented to 0 [SOCK 4]",
    "2020/11/17 21:48:20 waiting for 1 procs in cg-4 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:20 killed PIDs [10687] in CG [SOCK 4]",
    "2020/11/17 21:48:20 unmount and remove dirs [SOCK 4]",
    "2020/11/17 21:48:20 increase instances to 1 [FUNC numpy16]",
    "2020/11/17 21:48:20 Try using Zygote from <ROOT>",
    "2020/11/17 21:48:20 Unpause() [SB 2]",
    "2020/11/17 21:48:20 <sandboxes>.Create(<SB 2>, true, /root/open-lambda/test-dir/worker/code/1008-numpy16, /root/open-lambda/test-dir/worker/scratch/1010-numpy16, <installs=[numpy==1.16], imports=[], mem-limit-mb=50>)=5... [SOCK POOL sandboxes]",
    "2020/11/17 21:48:20 use cgroup cg-5 [SOCK 5]",
    "2020/11/17 21:48:20 fork(SB 5) [SB 2]",
    "2020/11/17 21:48:20 move PID 10699 from CG cg-2 to CG cg-5 [SOCK 2]",
    "2020/11/17 21:48:20 ...returns <SB 5>, <nil> [SOCK POOL sandboxes]",
    "2020/11/17 21:48:20 Pause() [SB 2]",
    "sock2.py: start web server on fd: 3",
    "2020/11/17 21:48:20 Channel() [SB 5]",
    "2020/11/17 21:48:20 Pause() [SB 5]",
    "2020/11/17 21:48:20 Receive request to /run/numpy15",
    "2020/11/17 21:48:20 increase instances to 1 [FUNC numpy15]",
    "2020/11/17 21:48:20 Try using Zygote from <ROOT>",
    "2020/11/17 21:48:20 Unpause() [SB 2]",
    "2020/11/17 21:48:20 <sandboxes>.Create(<SB 2>, true, /root/open-lambda/test-dir/worker/code/1012-numpy15, /root/open-lambda/test-dir/worker/scratch/1013-numpy15, <installs=[numpy==1.15], imports=[], mem-limit-mb=50>)=6... [SOCK POOL sandboxes]",
    "2020/11/17 21:48:20 use cgroup cg-6 [SOCK 6]",
    "2020/11/17 21:48:20 fork(SB 6) [SB 2]",
    "sock2.py: start web server on fd: 3",
    "2020/11/17 21:48:20 Destroy() [SB 3]",
    "2020/11/17 21:48:20 CG ref count decremented to 0 [SOCK 3]",
    "2020/11/17 21:48:20 waiting for 2 procs in cg-3 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:20 move PID 10704 from CG cg-2 to CG cg-6 [SOCK 2]",
    "2020/11/17 21:48:20 ...returns <SB 6>, <nil> [SOCK POOL sandboxes]",
    "2020/11/17 21:48:20 Pause() [SB 2]",
    "2020/11/17 21:48:21 Channel() [SB 6]",
    "2020/11/17 21:48:21 killed PIDs [10681 10683] in CG [SOCK 3]",
    "2020/11/17 21:48:21 unmount and remove dirs [SOCK 3]",
    "2020/11/17 21:48:21 childExit(SB 3) [SB 2]",
    "2020/11/17 21:48:21 CG ref count decremented to 3 [SOCK 2]",
    "2020/11/17 21:48:21 Pause() [SB 6]",
    "2020/11/17 21:48:21 Receive request to /run/pandas15",
    "2020/11/17 21:48:21 debug: LambdaFunc.Task() runs on goroutine 53 [FUNC pandas15]",
    "2020/11/17 21:48:21 do pip install, using scratchDir='/root/open-lambda/test-dir/lambda/packages/pandas'",
    "2020/11/17 21:48:21 run pip install pandas from a new Sandbox to /root/open-lambda/test-dir/lambda/packages/pandas on host",
    "2020/11/17 21:48:21 <sandboxes>.Create(<nil>, true, /root/open-lambda/test-dir/worker/admin-lambdas/pip-install, /root/open-lambda/test-dir/lambda/packages/pandas, <installs=[], imports=[], mem-limit-mb=250>)=7... [SOCK POOL sandboxes]",
    "2020/11/17 21:48:21 use cgroup cg-7 [SOCK 7]",
    "sock2.py: started new process with args: sock2.py /host/bootstrap.py 9",
    "sock2.py: joined cgroup, close FD 3",
    "sock2.py: joined cgroup, close FD 4",
    "sock2.py: joined cgroup, close FD 5",
    "sock2.py: joined cgroup, close FD 6",
    "sock2.py: joined cgroup, close FD 7",
    "sock2.py: joined cgroup, close FD 8",
    "sock2.py: joined cgroup, close FD 9",
    "sock2.py: joined cgroup, close FD 10",
    "sock2.py: joined cgroup, close FD 11",
    "sock2.py: start web server on fd: 3",
    "2020/11/17 21:48:21 ...returns <SB 7>, <nil> [SOCK POOL sandboxes]",
    "2020/11/17 21:48:21 Channel() [SB 7]",
    "Collecting pandas",
    "  Downloading pandas-1.1.4-cp36-cp36m-manylinux1_x86_64.whl (9.5 MB)",
    "Installing collected packages: pandas",
    "Successfully installed pandas-1.1.4",
    "pip install returned code 0",
    "2020/11/17 21:48:33 Destroy() [SB 7]",
    "2020/11/17 21:48:33 CG ref count decremented to 0 [SOCK 7]",
    "2020/11/17 21:48:33 waiting for 1 procs in cg-7 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:33 killed PIDs [10711] in CG [SOCK 7]",
    "2020/11/17 21:48:33 unmount and remove dirs [SOCK 7]",
    "2020/11/17 21:48:34 do pip install, using scratchDir='/root/open-lambda/test-dir/lambda/packages/pytz'",
    "2020/11/17 21:48:34 run pip install pytz from a new Sandbox to /root/open-lambda/test-dir/lambda/packages/pytz on host",
    "2020/11/17 21:48:34 <sandboxes>.Create(<nil>, true, /root/open-lambda/test-dir/worker/admin-lambdas/pip-install, /root/open-lambda/test-dir/lambda/packages/pytz, <installs=[], imports=[], mem-limit-mb=250>)=8... [SOCK POOL sandboxes]",
    "2020/11/17 21:48:34 use cgroup cg-8 [SOCK 8]",
    "sock2.py: started new process with args: sock2.py /host/bootstrap.py 9",
    "sock2.py: joined cgroup, close FD 3",
    "sock2.py: joined cgroup, close FD 4",
    "sock2.py: joined cgroup, close FD 5",
    "sock2.py: joined cgroup, close FD 6",
    "sock2.py: joined cgroup, close FD 7",
    "sock2.py: joined cgroup, close FD 8",
    "sock2.py: joined cgroup, close FD 9",
    "sock2.py: joined cgroup, close FD 10",
    "sock2.py: joined cgroup, close FD 11",
    "sock2.py: start web server on fd: 3",
    "2020/11/17 21:48:34 ...returns <SB 8>, <nil> [SOCK POOL sandboxes]",
    "2020/11/17 21:48:34 Channel() [SB 8]",
    "Collecting pytz",
    "  Downloading pytz-2020.4-py2.py3-none-any.whl (509 kB)",
    "Installing collected packages: pytz",
    "Successfully installed pytz-2020.4",
    "pip install returned code 0",
    "2020/11/17 21:48:35 Destroy() [SB 8]",
    "2020/11/17 21:48:35 CG ref count decremented to 0 [SOCK 8]",
    "2020/11/17 21:48:35 waiting for 1 procs in cg-8 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:35 killed PIDs [10724] in CG [SOCK 8]",
    "2020/11/17 21:48:35 unmount and remove dirs [SOCK 8]",
    "2020/11/17 21:48:35 do pip install, using scratchDir='/root/open-lambda/test-dir/lambda/packages/python-dateutil'",
    "2020/11/17 21:48:35 run pip install python-dateutil from a new Sandbox to /root/open-lambda/test-dir/lambda/packages/python-dateutil on host",
    "2020/11/17 21:48:35 <sandboxes>.Create(<nil>, true, /root/open-lambda/test-dir/worker/admin-lambdas/pip-install, /root/open-lambda/test-dir/lambda/packages/python-dateutil, <installs=[], imports=[], mem-limit-mb=250>)=9... [SOCK POOL sandboxes]",
    "2020/11/17 21:48:35 use cgroup cg-9 [SOCK 9]",
    "sock2.py: started new process with args: sock2.py /host/bootstrap.py 9",
    "sock2.py: joined cgroup, close FD 3",
    "sock2.py: joined cgroup, close FD 4",
    "sock2.py: joined cgroup, close FD 5",
    "sock2.py: joined cgroup, close FD 6",
    "sock2.py: joined cgroup, close FD 7",
    "sock2.py: joined cgroup, close FD 8",
    "sock2.py: joined cgroup, close FD 9",
    "sock2.py: joined cgroup, close FD 10",
    "sock2.py: joined cgroup, close FD 11",
    "sock2.py: start web server on fd: 3",
    "2020/11/17 21:48:35 ...returns <SB 9>, <nil> [SOCK POOL sandboxes]",
    "2020/11/17 21:48:35 Channel() [SB 9]",
    "Collecting python-dateutil",
    "  Downloading python_dateutil-2.8.1-py2.py3-none-any.whl (227 kB)",
    "Installing collected packages: python-dateutil",
    "Successfully installed python-dateutil-2.8.1",
    "pip install returned code 0",
    "2020/11/17 21:48:36 Destroy() [SB 9]",
    "2020/11/17 21:48:36 CG ref count decremented to 0 [SOCK 9]",
    "2020/11/17 21:48:36 waiting for 1 procs in cg-9 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:36 killed PIDs [10737] in CG [SOCK 9]",
    "2020/11/17 21:48:36 unmount and remove dirs [SOCK 9]",
    "2020/11/17 21:48:36 do pip install, using scratchDir='/root/open-lambda/test-dir/lambda/packages/six'",
    "2020/11/17 21:48:36 run pip install six from a new Sandbox to /root/open-lambda/test-dir/lambda/packages/six on host",
    "2020/11/17 21:48:36 <sandboxes>.Create(<nil>, true, /root/open-lambda/test-dir/worker/admin-lambdas/pip-install, /root/open-lambda/test-dir/lambda/packages/six, <installs=[], imports=[], mem-limit-mb=250>)=10... [SOCK POOL sandboxes]",
    "2020/11/17 21:48:36 use cgroup cg-10 [SOCK 10]",
    "sock2.py: started new process with args: sock2.py /host/bootstrap.py 9",
    "sock2.py: joined cgroup, close FD 3",
    "sock2.py: joined cgroup, close FD 4",
    "sock2.py: joined cgroup, close FD 5",
    "sock2.py: joined cgroup, close FD 6",
    "sock2.py: joined cgroup, close FD 7",
    "sock2.py: joined cgroup, close FD 8",
    "sock2.py: joined cgroup, close FD 9",
    "sock2.py: joined cgroup, close FD 10",
    "sock2.py: joined cgroup, close FD 11",
    "sock2.py: start web server on fd: 3",
    "2020/11/17 21:48:36 ...returns <SB 10>, <nil> [SOCK POOL sandboxes]",
    "2020/11/17 21:48:36 Channel() [SB 10]",
    "Collecting six",
    "  Downloading six-1.15.0-py2.py3-none-any.whl (10 kB)",
    "Installing collected packages: six",
    "Successfully installed six-1.15.0",
    "pip install returned code 0",
    "2020/11/17 21:48:37 Destroy() [SB 10]",
    "2020/11/17 21:48:37 CG ref count decremented to 0 [SOCK 10]",
    "2020/11/17 21:48:37 waiting for 1 procs in cg-10 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:37 killed PIDs [10750] in CG [SOCK 10]",
    "2020/11/17 21:48:37 unmount and remove dirs [SOCK 10]",
    "2020/11/17 21:48:37 increase instances to 1 [FUNC pandas15]",
    "2020/11/17 21:48:37 Try using Zygote from <ROOT>",
    "2020/11/17 21:48:37 Unpause() [SB 2]",
    "2020/11/17 21:48:37 <sandboxes>.Create(<SB 2>, true, /root/open-lambda/test-dir/worker/code/1015-pandas15, /root/open-lambda/test-dir/worker/scratch/1020-pandas15, <installs=[numpy==1.15,pandas,pytz,python-dateutil,six], imports=[], mem-limit-mb=50>)=11... [SOCK POOL sandboxes]",
    "2020/11/17 21:48:37 use cgroup cg-11 [SOCK 11]",
    "2020/11/17 21:48:37 fork(SB 11) [SB 2]",
    "2020/11/17 21:48:37 move PID 10762 from CG cg-2 to CG cg-11 [SOCK 2]",
    "2020/11/17 21:48:37 ...returns <SB 11>, <nil> [SOCK POOL sandboxes]",
    "2020/11/17 21:48:37 Pause() [SB 2]",
    "sock2.py: start web server on fd: 3",
    "2020/11/17 21:48:37 Channel() [SB 11]",
    "ERROR:tornado.application:Uncaught exception POST /run/pandas15 (0.0.0.0)",
    "HTTPServerRequest(protocol='http', host='localhost:5000', method='POST', uri='/run/pandas15', version='HTTP/1.1', remote_ip='0.0.0.0', headers={'Host': 'localhost:5000', 'User-Agent': 'python-requests/2.9.1', 'Content-Length': '22', 'Accept': '*/*', 'Accept-Encoding': 'gzip, deflate', 'X-Forwarded-For': '127.0.0.1'})",
    "Traceback (most recent call last):",
    "  File \"/usr/local/lib/python3.6/dist-packages/tornado/web.py\", line 1510, in _execute",
    "    result = method(*self.path_args, **self.path_kwargs)",
    "  File \"sock2.py\", line 32, in post",
    "    import f",
    "  File \"/handler/f.py\", line 3, in <module>",
    "    import pandas",
    "  File \"/packages/pandas/files/pandas/__init__.py\", line 22, in <module>",
    "    from pandas.compat.numpy import (",
    "  File \"/packages/pandas/files/pandas/compat/numpy/__init__.py\", line 21, in <module>",
    "    \"this version of pandas is incompatible with numpy < 1.15.4\\n\"",
    "ImportError: this version of pandas is incompatible with numpy < 1.15.4",
    "your numpy version is 1.15.0.",
    "Please upgrade numpy to >= 1.15.4 to use this pandas version",
    "2020/11/17 21:48:37 Pause() [SB 11]",
    "2020/11/17 21:48:37 received kill signal, cleaning up",
    "2020/11/17 21:48:37 Kill function: numpy15",
    "2020/11/17 21:48:37 Destroy() [SB 6]",
    "2020/11/17 21:48:37 CG ref count decremented to 0 [SOCK 6]",
    "2020/11/17 21:48:37 killed PIDs [10704 10707] in CG [SOCK 6]",
    "2020/11/17 21:48:37 unmount and remove dirs [SOCK 6]",
    "2020/11/17 21:48:37 childExit(SB 6) [SB 2]",
    "2020/11/17 21:48:37 CG ref count decremented to 3 [SOCK 2]",
    "2020/11/17 21:48:37 Kill function: numpy16",
    "2020/11/17 21:48:37 Destroy() [SB 5]",
    "2020/11/17 21:48:37 CG ref count decremented to 0 [SOCK 5]",
    "2020/11/17 21:48:37 killed PIDs [10699 10701] in CG [SOCK 5]",
    "2020/11/17 21:48:37 unmount and remove dirs [SOCK 5]",
    "2020/11/17 21:48:37 childExit(SB 5) [SB 2]",
    "2020/11/17 21:48:37 CG ref count decremented to 2 [SOCK 2]",
    "2020/11/17 21:48:37 Kill function: pandas15",
    "2020/11/17 21:48:37 Destroy() [SB 11]",
    "2020/11/17 21:48:37 CG ref count decremented to 0 [SOCK 11]",
    "2020/11/17 21:48:37 killed PIDs [10762 10764] in CG [SOCK 11]",
    "2020/11/17 21:48:37 unmount and remove dirs [SOCK 11]",
    "2020/11/17 21:48:37 childExit(SB 11) [SB 2]",
    "2020/11/17 21:48:37 CG ref count decremented to 1 [SOCK 2]",
    "2020/11/17 21:48:37 Import Cache Tree:",
    "2020/11/17 21:48:37 4    - ROOT",
    "2020/11/17 21:48:37 Destroy() [SB 2]",
    "2020/11/17 21:48:37 CG ref count decremented to 0 [SOCK 2]",
    "2020/11/17 21:48:37 killed PIDs [10679] in CG [SOCK 2]",
    "2020/11/17 21:48:37 unmount and remove dirs [SOCK 2]",
    "2020/11/17 21:48:37 make sure all memory is free [SOCK POOL sandboxes]",
    "2020/11/17 21:48:37 memory pool emptied [SOCK POOL sandboxes]",
    "2020/11/17 21:48:37 received shutdown request [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:37 empty queues and release CGs [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:37 remove /sys/fs/cgroup/blkio/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:37 remove /sys/fs/cgroup/cpu/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:37 remove /sys/fs/cgroup/devices/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:37 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:37 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:37 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:37 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:37 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:37 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:37 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:48:37 remove worker.pid",
    "2020/11/17 21:48:37 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 {'procs': 1, 'fork': False, 'baseline': 0, 'seconds': 5}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "fork": false,
    "baseline": 0,
    "seconds": 5
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "sock",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 5.029005527496338,
  "total_seconds": 5.152010917663574,
  "stats": {
    "sandboxes_per_sec": 6.0
  },
  "ol-stats": {
    "Create().cnt": 30,
    "Create().ms-avg": 143,
    "Create()/acquire-cgroup.cnt": 30,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 30,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 30,
    "Create()/fresh-proc.ms-avg": 137,
    "Create()/make-root-fs.cnt": 30,
    "Create()/make-root-fs.ms-avg": 5,
    "Destroy().cnt": 60,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 30,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 30,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 30,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 47,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:48:43 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:43 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:43 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:43 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:43 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:43 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:43 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:48:43 remove worker.pid",
    "2020/11/17 21:48:43 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'fork': True, 'baseline': 0, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "fork": true,
    "baseline": 0,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "sock",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 10.24556016921997,
  "total_seconds": 10.471945762634277,
  "stats": {
    "sandboxes_per_sec": 42.1
  },
  "ol-stats": {
    "Create().cnt": 422,
    "Create().ms-avg": 10,
    "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": 135,
    "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": [
    "2020/11/17 21:48:53 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:53 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:53 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:53 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:53 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:53 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:48:53 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:48:53 remove worker.pid",
    "2020/11/17 21:48:53 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'fork': True, 'baseline': 0, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "fork": true,
    "baseline": 0,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "sock",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 10.39376187324524,
  "total_seconds": 10.620893716812134,
  "stats": {
    "sandboxes_per_sec": 46.6
  },
  "ol-stats": {
    "Create().cnt": 467,
    "Create().ms-avg": 83,
    "Create()/acquire-cgroup.cnt": 467,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 467,
    "Create()/acquire-mem.ms-avg": 19,
    "Create()/fork-proc.cnt": 466,
    "Create()/fork-proc.ms-avg": 61,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 467,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 933,
    "Destroy().ms-avg": 50,
    "Destroy()/detach-root.cnt": 467,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 467,
    "Destroy()/kill-procs.ms-avg": 13,
    "Destroy()/remove-root.cnt": 467,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 466,
    "childExit().ms-avg": 60,
    "fork().cnt": 466,
    "fork().ms-avg": 61,
    "forkRequest.cnt": 466,
    "forkRequest.ms-avg": 9,
    "fresh-cgroup.cnt": 484,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 466,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:49:04 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:04 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:04 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:04 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:04 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:04 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:04 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:49:04 remove worker.pid",
    "2020/11/17 21:49:04 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 1, 'fork': True, 'baseline': 32, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 1,
    "fork": true,
    "baseline": 32,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "sock",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 10.800117492675781,
  "total_seconds": 11.1324303150177,
  "stats": {
    "sandboxes_per_sec": 41.6
  },
  "ol-stats": {
    "Create().cnt": 449,
    "Create().ms-avg": 8,
    "Create()/acquire-cgroup.cnt": 449,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 449,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 448,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 449,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 865,
    "Destroy().ms-avg": 0,
    "Destroy()/detach-root.cnt": 449,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 449,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 449,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 448,
    "childExit().ms-avg": 0,
    "fork().cnt": 448,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 448,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 466,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 448,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:49:15 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:15 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:15 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:15 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:15 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:15 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:15 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:49:15 remove worker.pid",
    "2020/11/17 21:49:15 exiting",
    ""
  ]
}
========================================
sock_churn {'procs': 15, 'fork': True, 'baseline': 32, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "procs": 15,
    "fork": true,
    "baseline": 32,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-dir/registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "sock",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 11.093415975570679,
  "total_seconds": 11.442312717437744,
  "stats": {
    "sandboxes_per_sec": 40.9
  },
  "ol-stats": {
    "Create().cnt": 442,
    "Create().ms-avg": 116,
    "Create()/acquire-cgroup.cnt": 442,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 442,
    "Create()/acquire-mem.ms-avg": 71,
    "Create()/fork-proc.cnt": 441,
    "Create()/fork-proc.ms-avg": 41,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 214,
    "Create()/make-root-fs.cnt": 442,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 851,
    "Destroy().ms-avg": 46,
    "Destroy()/detach-root.cnt": 442,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 442,
    "Destroy()/kill-procs.ms-avg": 7,
    "Destroy()/remove-root.cnt": 442,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 441,
    "childExit().ms-avg": 43,
    "fork().cnt": 441,
    "fork().ms-avg": 41,
    "forkRequest.cnt": 441,
    "forkRequest.ms-avg": 9,
    "fresh-cgroup.cnt": 459,
    "fresh-cgroup.ms-avg": 3,
    "move-to-cg-after-fork.cnt": 441,
    "move-to-cg-after-fork.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:49:26 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:26 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:26 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:26 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:26 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:26 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:26 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:49:26 remove worker.pid",
    "2020/11/17 21:49:26 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500, 'server_mode': 'sock'}
PUSH conf: {'registry': '/tmp/tmpfg3xy5xj', '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/tmpfg3xy5xj",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 3000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 6.030699253082275,
  "total_seconds": 6.2744317054748535,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 51,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 171,
    "Create()/make-root-fs.cnt": 4,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 4,
    "Destroy().ms-avg": 2,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1649,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1652,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1649,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1648,
    "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": 1649,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:49:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:49:33 remove worker.pid",
    "2020/11/17 21:49:33 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpfg3xy5xj', '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": {
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 15.043743371963501,
  "total_seconds": 15.275087118148804,
  "stats": {
    "reqs_per_sec": 278.46666666666664
  },
  "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": 134,
    "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": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4177,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4180,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4177,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4176,
    "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": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4177,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:49:48 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:48 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:48 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:48 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:48 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:48 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:49:48 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:49:48 remove worker.pid",
    "2020/11/17 21:49:48 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'procs': 2, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 2,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 15.041788816452026,
  "total_seconds": 15.270938158035278,
  "stats": {
    "reqs_per_sec": 276.6666666666667
  },
  "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": 137,
    "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": 4150,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3789,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4150,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3785,
    "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": 4150,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:50:03 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:03 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:03 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:03 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:03 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:03 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:03 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:50:03 remove worker.pid",
    "2020/11/17 21:50:03 exiting",
    ""
  ]
}
========================================
stress_one_lambda {'procs': 8, 'seconds': 15}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "stress_one_lambda",
  "params": {
    "procs": 8,
    "seconds": 15
  },
  "pass": true,
  "conf": {
    "registry": "/root/open-lambda/test-registry",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": false
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 15.062490940093994,
  "total_seconds": 15.29338812828064,
  "stats": {
    "reqs_per_sec": 262.4
  },
  "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": 3,
    "Destroy()/detach-root.cnt": 4,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 4,
    "Destroy()/kill-procs.ms-avg": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 3936,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 3024,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 3936,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3020,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 3,
    "web-request.cnt": 3936,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:50:19 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:19 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:19 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:19 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:19 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:19 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:19 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:50:19 remove worker.pid",
    "2020/11/17 21:50:19 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmp6oqabiui'}
========================================
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/tmp6oqabiui",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": true
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "sandbox_config": {},
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 2.794672966003418,
  "total_seconds": 3.2424468994140625,
  "stats": {
    "reqs_per_sec": 35.78269483540599
  },
  "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": 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": 2,
    "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": 6,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 56,
    "evict.ms-avg": 10,
    "fork().cnt": 100,
    "fork().ms-avg": 5,
    "forkRequest.cnt": 100,
    "forkRequest.ms-avg": 4,
    "fresh-cgroup.cnt": 68,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 100,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 100,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 100,
    "web-request.ms-avg": 24
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:50:22 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:22 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:22 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:22 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:22 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:22 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:50:22 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:50:22 remove worker.pid",
    "2020/11/17 21:50:22 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp6oqabiui'}
PUSH conf: {'registry': '/tmp/tmp344g_5j1'}
========================================
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/tmp344g_5j1",
    "features": {
      "downsize_paused_mem": true,
      "import_cache": true,
      "reuse_cgroups": true
    },
    "mem_pool_mb": 500,
    "import_cache_tree": "",
    "sandbox_config": {},
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "registry_cache_ms": 5000,
    "sandbox": "sock",
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "installer_mem_mb": 250,
      "procs": 10,
      "mem_mb": 50
    },
    "trace": {
      "package": false,
      "cgroups": false,
      "memory": false,
      "evictor": false
    },
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "storage": {
      "code": "",
      "scratch": "",
      "root": "private"
    },
    "server_mode": "lambda",
    "worker_port": "5000",
    "docker_runtime": "",
    "pip_mirror": ""
  },
  "seconds": 42.75491380691528,
  "total_seconds": 43.30576229095459,
  "stats": {
    "reqs_per_sec": 23.389141017091465
  },
  "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": 138,
    "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": 9,
    "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": 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": 38
  },
  "errors": [],
  "worker_tail": [
    "2020/11/17 21:51:05 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:51:05 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:51:05 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:51:05 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:51:05 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:51:05 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/11/17 21:51:05 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/11/17 21:51:05 remove worker.pid",
    "2020/11/17 21:51:05 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp344g_5j1'}
POP conf: {'features': {'reuse_cgroups': True}}
POP conf: {'limits': {'installer_mem_mb': 250}}
PASSED: 17, FAILED: 1
Makefile:27: recipe for target 'test-all' failed
make: *** [test-all] Error 1