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": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "pip_mirror": "",
    "import_cache_tree": "",
    "server_mode": "lambda",
    "docker_runtime": "",
    "sandbox": "sock"
  },
  "seconds": 2.1581554412841797,
  "total_seconds": 2.4366061687469482,
  "stats": {
    "pings_per_sec": 463.36433583900924
  },
  "ol-stats": {
    "fresh-cgroup.cnt": 17,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:44:49 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:44:49 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:44:49 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:44:49 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:44:49 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:44:49 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:44:49 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:44:49 remove worker.pid",
    "2020/08/18 21:44:49 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": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": false,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "worker_port": "5000",
    "pip_mirror": "",
    "import_cache_tree": "",
    "server_mode": "lambda",
    "docker_runtime": "",
    "sandbox": "sock"
  },
  "seconds": 14.733730554580688,
  "total_seconds": 14.971134901046753,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 514,
    "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": 460,
    "Create()/make-root-fs.cnt": 10,
    "Create()/make-root-fs.ms-avg": 53,
    "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": 3522,
    "Pause().cnt": 4,
    "Pause().ms-avg": 5,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 71,
    "fresh-cgroup.cnt": 27,
    "fresh-cgroup.ms-avg": 0,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 11,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 1584,
    "web-request.cnt": 4,
    "web-request.ms-avg": 3522
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:45:04 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:04 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:04 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:04 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:04 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:04 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:04 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:45:04 remove worker.pid",
    "2020/08/18 21:45:04 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": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": 5.870839595794678,
  "total_seconds": 6.10793662071228,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 93,
    "Create()/acquire-cgroup.cnt": 11,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 11,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 4,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 139,
    "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": 1460,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 42,
    "Unpause().cnt": 3,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 4,
    "childExit().ms-avg": 0,
    "fork().cnt": 4,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 4,
    "forkRequest.ms-avg": 6,
    "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": 910,
    "web-request.cnt": 4,
    "web-request.ms-avg": 1460
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:45:10 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:10 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:10 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:10 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:10 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:10 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:10 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:45:10 remove worker.pid",
    "2020/08/18 21:45:10 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": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": false,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "pip_mirror": "",
    "import_cache_tree": "",
    "server_mode": "lambda",
    "docker_runtime": "",
    "sandbox": "docker"
  },
  "seconds": 19.870481729507446,
  "total_seconds": 20.892841339111328,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 10,
    "Create().ms-avg": 1200,
    "Destroy().cnt": 10,
    "Destroy().ms-avg": 296,
    "LambdaFunc.Invoke.cnt": 4,
    "LambdaFunc.Invoke.ms-avg": 4956,
    "Pause().cnt": 4,
    "Pause().ms-avg": 26,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 1,
    "pull-lambda.cnt": 4,
    "pull-lambda.ms-avg": 1,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 2087,
    "web-request.cnt": 4,
    "web-request.ms-avg": 4956
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:45:30 Kill function: echo",
    "2020/08/18 21:45:30 Destroy() [SB 0]",
    "2020/08/18 21:45:30 Kill function: install",
    "2020/08/18 21:45:30 Destroy() [SB 6]",
    "2020/08/18 21:45:30 Kill function: install2",
    "2020/08/18 21:45:30 Destroy() [SB 7]",
    "2020/08/18 21:45:31 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:45:31 remove worker.pid",
    "2020/08/18 21:45:31 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": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": 0.2082996368408203,
  "total_seconds": 0.43967151641845703,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 1,
    "Channel().ms-avg": 0,
    "Create().cnt": 2,
    "Create().ms-avg": 92,
    "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": 8,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 169,
    "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": 204,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 11,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 8,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 1,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 204
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:45:31 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:31 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:31 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:31 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:31 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:31 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:31 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:45:31 remove worker.pid",
    "2020/08/18 21:45:31 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": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": 0.8068745136260986,
  "total_seconds": 1.5179638862609863,
  "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": 135,
    "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": 803,
    "Pause().cnt": 2,
    "Pause().ms-avg": 3,
    "ServeHTTP.cnt": 1,
    "ServeHTTP.ms-avg": 644,
    "childExit().cnt": 1,
    "childExit().ms-avg": 0,
    "fork().cnt": 1,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 1,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 19,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 1,
    "move-to-cg-after-fork.ms-avg": 2,
    "pull-lambda.cnt": 1,
    "pull-lambda.ms-avg": 2,
    "web-request.cnt": 1,
    "web-request.ms-avg": 803
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:45:33 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:45:33 remove worker.pid",
    "2020/08/18 21:45:33 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": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": null,
  "total_seconds": 40.75447082519531,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 10,
    "Channel().ms-avg": 0,
    "Create().cnt": 11,
    "Create().ms-avg": 101,
    "Create()/acquire-cgroup.cnt": 11,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 11,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 4,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 7,
    "Create()/fresh-proc.ms-avg": 152,
    "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": 10117,
    "Pause().cnt": 8,
    "Pause().ms-avg": 4,
    "ServeHTTP.cnt": 4,
    "ServeHTTP.ms-avg": 355,
    "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": 6,
    "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": 6,
    "pull-package.cnt": 6,
    "pull-package.ms-avg": 6470,
    "web-request.cnt": 4,
    "web-request.ms-avg": 10117
  },
  "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",
    "2020/08/18 21:45:33 save PID 10320 to file /root/open-lambda/test-dir/worker/worker.pid",
    "2020/08/18 21:45:33 Start Lambda Server",
    "2020/08/18 21:45:33 Storage dir at /root/open-lambda/test-dir/worker/code",
    "2020/08/18 21:45:33 Storage dir at /root/open-lambda/test-dir/worker/scratch",
    "2020/08/18 21:45:33 Create SandboxPool",
    "2020/08/18 21:45:33 create /sys/fs/cgroup/blkio/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 create /sys/fs/cgroup/cpu/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 create /sys/fs/cgroup/devices/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 create /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 create /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 create /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 create /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 create /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 create /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 Storage dir at /root/open-lambda/test-dir/worker/root-sandboxes",
    "2020/08/18 21:45:33 Create DepTracer",
    "2020/08/18 21:45:33 Create PackagePuller",
    "2020/08/18 21:45:33 Create ImportCache",
    "2020/08/18 21:45:33 Import Cache Tree:",
    "2020/08/18 21:45:33 0    - ROOT",
    "2020/08/18 21:45:33 Create HandlerPuller",
    "2020/08/18 21:45:33 Setups Handlers",
    "2020/08/18 21:45:33 Execute handler by POSTing to localhost:5000/run/<lambda>",
    "2020/08/18 21:45:33 Get status by sending request to localhost:5000/status",
    "2020/08/18 21:45:33 start creating/serving CGs [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:33 Receive request to /pid",
    "2020/08/18 21:45:33 Receive request to /run/numpy15",
    "2020/08/18 21:45:33 debug: LambdaFunc.Task() runs on goroutine 18 [FUNC numpy15]",
    "2020/08/18 21:45:33 do pip install, using scratchDir='/root/open-lambda/test-dir/lambda/packages/numpy==1.15'",
    "2020/08/18 21:45:33 run pip install numpy==1.15 from a new Sandbox to /root/open-lambda/test-dir/lambda/packages/numpy==1.15 on host",
    "2020/08/18 21:45:33 <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]",
    "2020/08/18 21:45:33 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",
    "2020/08/18 21:45:33 ...returns <SB 1>, <nil> [SOCK POOL sandboxes]",
    "2020/08/18 21:45:33 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",
    "2020/08/18 21:45:43 Destroy() [SB 1]",
    "2020/08/18 21:45:43 CG ref count decremented to 0 [SOCK 1]",
    "2020/08/18 21:45:43 waiting for 1 procs in cg-1 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:45:43 killed PIDs [10334] in CG [SOCK 1]",
    "2020/08/18 21:45:43 unmount and remove dirs [SOCK 1]",
    "2020/08/18 21:45:43 increase instances to 1 [FUNC numpy15]",
    "2020/08/18 21:45:43 Try using Zygote from <ROOT>",
    "2020/08/18 21:45:43 <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]",
    "2020/08/18 21:45:43 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",
    "2020/08/18 21:45:43 ...returns <SB 2>, <nil> [SOCK POOL sandboxes]",
    "2020/08/18 21:45:43 <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]",
    "2020/08/18 21:45:43 use cgroup cg-3 [SOCK 3]",
    "2020/08/18 21:45:43 fork(SB 3) [SB 2]",
    "sock2.py: start web server on fd: 3",
    "2020/08/18 21:45:43 move PID 10349 from CG cg-2 to CG cg-3 [SOCK 2]",
    "2020/08/18 21:45:43 ...returns <SB 3>, <nil> [SOCK POOL sandboxes]",
    "2020/08/18 21:45:43 Pause() [SB 2]",
    "2020/08/18 21:45:43 Channel() [SB 3]",
    "2020/08/18 21:45:43 Pause() [SB 3]",
    "2020/08/18 21:45:43 Receive request to /run/numpy16",
    "2020/08/18 21:45:43 debug: LambdaFunc.Task() runs on goroutine 32 [FUNC numpy16]",
    "2020/08/18 21:45:43 do pip install, using scratchDir='/root/open-lambda/test-dir/lambda/packages/numpy==1.16'",
    "2020/08/18 21:45:43 run pip install numpy==1.16 from a new Sandbox to /root/open-lambda/test-dir/lambda/packages/numpy==1.16 on host",
    "2020/08/18 21:45:43 <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]",
    "2020/08/18 21:45:43 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",
    "2020/08/18 21:45:44 ...returns <SB 4>, <nil> [SOCK POOL sandboxes]",
    "2020/08/18 21:45:44 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",
    "2020/08/18 21:46:00 Destroy() [SB 4]",
    "2020/08/18 21:46:00 CG ref count decremented to 0 [SOCK 4]",
    "2020/08/18 21:46:00 waiting for 1 procs in cg-4 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:00 killed PIDs [10355] in CG [SOCK 4]",
    "2020/08/18 21:46:00 unmount and remove dirs [SOCK 4]",
    "2020/08/18 21:46:00 increase instances to 1 [FUNC numpy16]",
    "2020/08/18 21:46:00 Try using Zygote from <ROOT>",
    "2020/08/18 21:46:00 Unpause() [SB 2]",
    "2020/08/18 21:46:00 <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]",
    "2020/08/18 21:46:00 use cgroup cg-5 [SOCK 5]",
    "2020/08/18 21:46:00 fork(SB 5) [SB 2]",
    "2020/08/18 21:46:00 move PID 10367 from CG cg-2 to CG cg-5 [SOCK 2]",
    "2020/08/18 21:46:00 ...returns <SB 5>, <nil> [SOCK POOL sandboxes]",
    "2020/08/18 21:46:00 Pause() [SB 2]",
    "sock2.py: start web server on fd: 3",
    "2020/08/18 21:46:00 Channel() [SB 5]",
    "2020/08/18 21:46:01 Pause() [SB 5]",
    "2020/08/18 21:46:01 Receive request to /run/numpy15",
    "2020/08/18 21:46:01 increase instances to 1 [FUNC numpy15]",
    "2020/08/18 21:46:01 Try using Zygote from <ROOT>",
    "2020/08/18 21:46:01 Unpause() [SB 2]",
    "2020/08/18 21:46:01 <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]",
    "2020/08/18 21:46:01 use cgroup cg-6 [SOCK 6]",
    "2020/08/18 21:46:01 fork(SB 6) [SB 2]",
    "sock2.py: start web server on fd: 3",
    "2020/08/18 21:46:01 Destroy() [SB 3]",
    "2020/08/18 21:46:01 CG ref count decremented to 0 [SOCK 3]",
    "2020/08/18 21:46:01 waiting for 2 procs in cg-3 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:01 move PID 10372 from CG cg-2 to CG cg-6 [SOCK 2]",
    "2020/08/18 21:46:01 ...returns <SB 6>, <nil> [SOCK POOL sandboxes]",
    "2020/08/18 21:46:01 Pause() [SB 2]",
    "2020/08/18 21:46:01 Channel() [SB 6]",
    "2020/08/18 21:46:01 killed PIDs [10349 10351] in CG [SOCK 3]",
    "2020/08/18 21:46:01 unmount and remove dirs [SOCK 3]",
    "2020/08/18 21:46:01 childExit(SB 3) [SB 2]",
    "2020/08/18 21:46:01 CG ref count decremented to 3 [SOCK 2]",
    "2020/08/18 21:46:01 Pause() [SB 6]",
    "2020/08/18 21:46:01 Receive request to /run/pandas15",
    "2020/08/18 21:46:01 debug: LambdaFunc.Task() runs on goroutine 53 [FUNC pandas15]",
    "2020/08/18 21:46:01 do pip install, using scratchDir='/root/open-lambda/test-dir/lambda/packages/pandas'",
    "2020/08/18 21:46:01 run pip install pandas from a new Sandbox to /root/open-lambda/test-dir/lambda/packages/pandas on host",
    "2020/08/18 21:46:01 <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]",
    "2020/08/18 21:46:01 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",
    "2020/08/18 21:46:01 ...returns <SB 7>, <nil> [SOCK POOL sandboxes]",
    "2020/08/18 21:46:01 Channel() [SB 7]",
    "Collecting pandas",
    "  Downloading pandas-1.1.0-cp36-cp36m-manylinux1_x86_64.whl (10.5 MB)",
    "Installing collected packages: pandas",
    "Successfully installed pandas-1.1.0",
    "pip install returned code 0",
    "2020/08/18 21:46:09 Destroy() [SB 7]",
    "2020/08/18 21:46:09 CG ref count decremented to 0 [SOCK 7]",
    "2020/08/18 21:46:09 waiting for 1 procs in cg-7 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:09 killed PIDs [10379] in CG [SOCK 7]",
    "2020/08/18 21:46:09 unmount and remove dirs [SOCK 7]",
    "2020/08/18 21:46:09 do pip install, using scratchDir='/root/open-lambda/test-dir/lambda/packages/pytz'",
    "2020/08/18 21:46:09 run pip install pytz from a new Sandbox to /root/open-lambda/test-dir/lambda/packages/pytz on host",
    "2020/08/18 21:46:09 <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]",
    "2020/08/18 21:46:09 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",
    "2020/08/18 21:46:09 ...returns <SB 8>, <nil> [SOCK POOL sandboxes]",
    "2020/08/18 21:46:09 Channel() [SB 8]",
    "Collecting pytz",
    "  Downloading pytz-2020.1-py2.py3-none-any.whl (510 kB)",
    "Installing collected packages: pytz",
    "Successfully installed pytz-2020.1",
    "pip install returned code 0",
    "2020/08/18 21:46:11 Destroy() [SB 8]",
    "2020/08/18 21:46:11 CG ref count decremented to 0 [SOCK 8]",
    "2020/08/18 21:46:11 waiting for 1 procs in cg-8 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:11 killed PIDs [10392] in CG [SOCK 8]",
    "2020/08/18 21:46:11 unmount and remove dirs [SOCK 8]",
    "2020/08/18 21:46:11 do pip install, using scratchDir='/root/open-lambda/test-dir/lambda/packages/python-dateutil'",
    "2020/08/18 21:46:11 run pip install python-dateutil from a new Sandbox to /root/open-lambda/test-dir/lambda/packages/python-dateutil on host",
    "2020/08/18 21:46:11 <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]",
    "2020/08/18 21:46:11 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",
    "2020/08/18 21:46:11 ...returns <SB 9>, <nil> [SOCK POOL sandboxes]",
    "2020/08/18 21:46:11 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",
    "2020/08/18 21:46:12 Destroy() [SB 9]",
    "2020/08/18 21:46:12 CG ref count decremented to 0 [SOCK 9]",
    "2020/08/18 21:46:12 waiting for 1 procs in cg-9 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:12 killed PIDs [10405] in CG [SOCK 9]",
    "2020/08/18 21:46:12 unmount and remove dirs [SOCK 9]",
    "2020/08/18 21:46:12 do pip install, using scratchDir='/root/open-lambda/test-dir/lambda/packages/six'",
    "2020/08/18 21:46:12 run pip install six from a new Sandbox to /root/open-lambda/test-dir/lambda/packages/six on host",
    "2020/08/18 21:46:12 <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]",
    "2020/08/18 21:46:12 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",
    "2020/08/18 21:46:12 ...returns <SB 10>, <nil> [SOCK POOL sandboxes]",
    "2020/08/18 21:46:12 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",
    "2020/08/18 21:46:12 Destroy() [SB 10]",
    "2020/08/18 21:46:12 CG ref count decremented to 0 [SOCK 10]",
    "2020/08/18 21:46:12 waiting for 1 procs in cg-10 to die [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:12 killed PIDs [10418] in CG [SOCK 10]",
    "2020/08/18 21:46:12 unmount and remove dirs [SOCK 10]",
    "2020/08/18 21:46:12 increase instances to 1 [FUNC pandas15]",
    "2020/08/18 21:46:12 Try using Zygote from <ROOT>",
    "2020/08/18 21:46:12 Unpause() [SB 2]",
    "2020/08/18 21:46:12 <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]",
    "2020/08/18 21:46:12 use cgroup cg-11 [SOCK 11]",
    "2020/08/18 21:46:12 fork(SB 11) [SB 2]",
    "2020/08/18 21:46:12 move PID 10430 from CG cg-2 to CG cg-11 [SOCK 2]",
    "2020/08/18 21:46:12 ...returns <SB 11>, <nil> [SOCK POOL sandboxes]",
    "2020/08/18 21:46:12 Pause() [SB 2]",
    "sock2.py: start web server on fd: 3",
    "2020/08/18 21:46:13 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",
    "2020/08/18 21:46:13 Pause() [SB 11]",
    "2020/08/18 21:46:13 received kill signal, cleaning up",
    "2020/08/18 21:46:13 Kill function: numpy15",
    "2020/08/18 21:46:13 Destroy() [SB 6]",
    "2020/08/18 21:46:13 CG ref count decremented to 0 [SOCK 6]",
    "2020/08/18 21:46:13 killed PIDs [10372 10375] in CG [SOCK 6]",
    "2020/08/18 21:46:13 unmount and remove dirs [SOCK 6]",
    "2020/08/18 21:46:13 childExit(SB 6) [SB 2]",
    "2020/08/18 21:46:13 CG ref count decremented to 3 [SOCK 2]",
    "2020/08/18 21:46:13 Kill function: numpy16",
    "2020/08/18 21:46:13 Destroy() [SB 5]",
    "2020/08/18 21:46:13 CG ref count decremented to 0 [SOCK 5]",
    "2020/08/18 21:46:13 killed PIDs [10367 10369] in CG [SOCK 5]",
    "2020/08/18 21:46:13 unmount and remove dirs [SOCK 5]",
    "2020/08/18 21:46:13 childExit(SB 5) [SB 2]",
    "2020/08/18 21:46:13 CG ref count decremented to 2 [SOCK 2]",
    "2020/08/18 21:46:13 Kill function: pandas15",
    "2020/08/18 21:46:13 Destroy() [SB 11]",
    "2020/08/18 21:46:13 CG ref count decremented to 0 [SOCK 11]",
    "2020/08/18 21:46:13 killed PIDs [10430 10432] in CG [SOCK 11]",
    "2020/08/18 21:46:13 unmount and remove dirs [SOCK 11]",
    "2020/08/18 21:46:13 childExit(SB 11) [SB 2]",
    "2020/08/18 21:46:13 CG ref count decremented to 1 [SOCK 2]",
    "2020/08/18 21:46:13 Import Cache Tree:",
    "2020/08/18 21:46:13 4    - ROOT",
    "2020/08/18 21:46:13 Destroy() [SB 2]",
    "2020/08/18 21:46:13 CG ref count decremented to 0 [SOCK 2]",
    "2020/08/18 21:46:13 killed PIDs [10347] in CG [SOCK 2]",
    "2020/08/18 21:46:13 unmount and remove dirs [SOCK 2]",
    "2020/08/18 21:46:13 make sure all memory is free [SOCK POOL sandboxes]",
    "2020/08/18 21:46:13 memory pool emptied [SOCK POOL sandboxes]",
    "2020/08/18 21:46:13 received shutdown request [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:13 empty queues and release CGs [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:13 remove /sys/fs/cgroup/blkio/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:13 remove /sys/fs/cgroup/cpu/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:13 remove /sys/fs/cgroup/devices/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:13 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:13 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:13 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:13 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:13 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:13 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:13 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:46:13 remove worker.pid",
    "2020/08/18 21:46:13 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 {'baseline': 0, 'fork': False, 'procs': 1, 'seconds': 5}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "fork": false,
    "procs": 1,
    "seconds": 5
  },
  "pass": true,
  "conf": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": 5.1861841678619385,
  "total_seconds": 5.407766342163086,
  "stats": {
    "sandboxes_per_sec": 6.4
  },
  "ol-stats": {
    "Create().cnt": 32,
    "Create().ms-avg": 145,
    "Create()/acquire-cgroup.cnt": 32,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 32,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fresh-proc.cnt": 32,
    "Create()/fresh-proc.ms-avg": 139,
    "Create()/make-root-fs.cnt": 32,
    "Create()/make-root-fs.ms-avg": 5,
    "Destroy().cnt": 64,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 32,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 32,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 32,
    "Destroy()/remove-root.ms-avg": 0,
    "fresh-cgroup.cnt": 49,
    "fresh-cgroup.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:46:19 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:19 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:19 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:19 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:19 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:19 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:19 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:46:19 remove worker.pid",
    "2020/08/18 21:46:19 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'fork': True, 'procs': 1, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "fork": true,
    "procs": 1,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": 10.168843984603882,
  "total_seconds": 10.389396905899048,
  "stats": {
    "sandboxes_per_sec": 45.4
  },
  "ol-stats": {
    "Create().cnt": 455,
    "Create().ms-avg": 10,
    "Create()/acquire-cgroup.cnt": 455,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 455,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 454,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 134,
    "Create()/make-root-fs.cnt": 455,
    "Create()/make-root-fs.ms-avg": 3,
    "Destroy().cnt": 909,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 455,
    "Destroy()/detach-root.ms-avg": 1,
    "Destroy()/kill-procs.cnt": 455,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 455,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 454,
    "childExit().ms-avg": 0,
    "fork().cnt": 454,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 454,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 472,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 454,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:46:29 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:29 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:29 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:29 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:29 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:29 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:29 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:46:29 remove worker.pid",
    "2020/08/18 21:46:29 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 0, 'fork': True, 'procs': 15, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 0,
    "fork": true,
    "procs": 15,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": 10.359727621078491,
  "total_seconds": 10.587075471878052,
  "stats": {
    "sandboxes_per_sec": 45.5
  },
  "ol-stats": {
    "Create().cnt": 456,
    "Create().ms-avg": 84,
    "Create()/acquire-cgroup.cnt": 456,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 456,
    "Create()/acquire-mem.ms-avg": 20,
    "Create()/fork-proc.cnt": 455,
    "Create()/fork-proc.ms-avg": 60,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 136,
    "Create()/make-root-fs.cnt": 456,
    "Create()/make-root-fs.ms-avg": 2,
    "Destroy().cnt": 911,
    "Destroy().ms-avg": 45,
    "Destroy()/detach-root.cnt": 456,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 456,
    "Destroy()/kill-procs.ms-avg": 12,
    "Destroy()/remove-root.cnt": 456,
    "Destroy()/remove-root.ms-avg": 0,
    "childExit().cnt": 455,
    "childExit().ms-avg": 55,
    "fork().cnt": 455,
    "fork().ms-avg": 60,
    "forkRequest.cnt": 455,
    "forkRequest.ms-avg": 10,
    "fresh-cgroup.cnt": 473,
    "fresh-cgroup.ms-avg": 4,
    "move-to-cg-after-fork.cnt": 455,
    "move-to-cg-after-fork.ms-avg": 3
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:46:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:46:40 remove worker.pid",
    "2020/08/18 21:46:40 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'fork': True, 'procs': 1, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "fork": true,
    "procs": 1,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": 10.798733234405518,
  "total_seconds": 11.143455743789673,
  "stats": {
    "sandboxes_per_sec": 44.4
  },
  "ol-stats": {
    "Create().cnt": 477,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 477,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 477,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 476,
    "Create()/fork-proc.ms-avg": 6,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 135,
    "Create()/make-root-fs.cnt": 477,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 921,
    "Destroy().ms-avg": 1,
    "Destroy()/detach-root.cnt": 477,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 477,
    "Destroy()/kill-procs.ms-avg": 0,
    "Destroy()/remove-root.cnt": 477,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 476,
    "childExit().ms-avg": 0,
    "fork().cnt": 476,
    "fork().ms-avg": 6,
    "forkRequest.cnt": 476,
    "forkRequest.ms-avg": 5,
    "fresh-cgroup.cnt": 494,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 476,
    "move-to-cg-after-fork.ms-avg": 0
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:46:51 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:51 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:51 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:51 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:51 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:51 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:46:51 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:46:51 remove worker.pid",
    "2020/08/18 21:46:51 exiting",
    ""
  ]
}
========================================
sock_churn {'baseline': 32, 'fork': True, 'procs': 15, 'seconds': 10}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "sock_churn",
  "params": {
    "baseline": 32,
    "fork": true,
    "procs": 15,
    "seconds": 10
  },
  "pass": true,
  "conf": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-dir/registry",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "sandbox_config": {},
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "sock",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": 11.003170251846313,
  "total_seconds": 11.36074423789978,
  "stats": {
    "sandboxes_per_sec": 45.2
  },
  "ol-stats": {
    "Create().cnt": 485,
    "Create().ms-avg": 83,
    "Create()/acquire-cgroup.cnt": 485,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 485,
    "Create()/acquire-mem.ms-avg": 58,
    "Create()/fork-proc.cnt": 484,
    "Create()/fork-proc.ms-avg": 22,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 191,
    "Create()/make-root-fs.cnt": 485,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 937,
    "Destroy().ms-avg": 38,
    "Destroy()/detach-root.cnt": 485,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 485,
    "Destroy()/kill-procs.ms-avg": 4,
    "Destroy()/remove-root.cnt": 485,
    "Destroy()/remove-root.ms-avg": 0,
    "Pause().cnt": 32,
    "Pause().ms-avg": 0,
    "childExit().cnt": 484,
    "childExit().ms-avg": 21,
    "fork().cnt": 484,
    "fork().ms-avg": 22,
    "forkRequest.cnt": 484,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 502,
    "fresh-cgroup.ms-avg": 1,
    "move-to-cg-after-fork.cnt": 484,
    "move-to-cg-after-fork.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:47:02 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:02 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:02 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:02 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:02 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:02 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:02 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:47:02 remove worker.pid",
    "2020/08/18 21:47:02 exiting",
    ""
  ]
}
POP conf: {'mem_pool_mb': 500, 'server_mode': 'sock'}
PUSH conf: {'registry': '/tmp/tmpua0_oefv', '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": {
    "mem_pool_mb": 500,
    "registry": "/tmp/tmpua0_oefv",
    "registry_cache_ms": 3000,
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "worker_port": "5000",
    "pip_mirror": "",
    "import_cache_tree": "",
    "server_mode": "lambda",
    "docker_runtime": "",
    "sandbox": "sock"
  },
  "seconds": 6.030883312225342,
  "total_seconds": 6.295060873031616,
  "stats": null,
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 47,
    "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": 154,
    "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": 1723,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 1726,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 1723,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 1722,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "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": 1,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 1723,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:47:08 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:08 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:08 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:08 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:08 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:08 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:09 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:47:09 remove worker.pid",
    "2020/08/18 21:47:09 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpua0_oefv', '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": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": 15.042300462722778,
  "total_seconds": 15.271685361862183,
  "stats": {
    "reqs_per_sec": 291.0
  },
  "ol-stats": {
    "Channel().cnt": 3,
    "Channel().ms-avg": 0,
    "Create().cnt": 4,
    "Create().ms-avg": 43,
    "Create()/acquire-cgroup.cnt": 4,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 4,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 3,
    "Create()/fork-proc.ms-avg": 7,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 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": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4365,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 4368,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4365,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 4364,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 0,
    "fork().cnt": 3,
    "fork().ms-avg": 7,
    "forkRequest.cnt": 3,
    "forkRequest.ms-avg": 6,
    "fresh-cgroup.cnt": 21,
    "fresh-cgroup.ms-avg": 0,
    "move-to-cg-after-fork.cnt": 3,
    "move-to-cg-after-fork.ms-avg": 0,
    "pull-lambda.cnt": 3,
    "pull-lambda.ms-avg": 1,
    "web-request.cnt": 4365,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:47:24 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:24 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:24 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:24 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:24 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:24 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:24 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:47:24 remove worker.pid",
    "2020/08/18 21:47:24 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": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": 15.044833183288574,
  "total_seconds": 15.274711608886719,
  "stats": {
    "reqs_per_sec": 284.73333333333335
  },
  "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": 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": 1,
    "Destroy()/remove-root.cnt": 4,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 4271,
    "LambdaFunc.Invoke.ms-avg": 1,
    "Pause().cnt": 3874,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4271,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3870,
    "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": 4271,
    "web-request.ms-avg": 1
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:47:39 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:39 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:39 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:39 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:39 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:39 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:39 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:47:39 remove worker.pid",
    "2020/08/18 21:47:39 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": {
    "mem_pool_mb": 500,
    "registry": "/root/open-lambda/test-registry",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": false,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": 15.064265489578247,
  "total_seconds": 15.295114278793335,
  "stats": {
    "reqs_per_sec": 272.06666666666666
  },
  "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": 7,
    "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": 4,
    "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": 4081,
    "LambdaFunc.Invoke.ms-avg": 2,
    "Pause().cnt": 3042,
    "Pause().ms-avg": 0,
    "ServeHTTP.cnt": 4081,
    "ServeHTTP.ms-avg": 0,
    "Unpause().cnt": 3038,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 3,
    "childExit().ms-avg": 1,
    "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": 4,
    "web-request.cnt": 4081,
    "web-request.ms-avg": 2
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:47:54 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:54 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:54 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:54 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:54 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:54 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:54 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:47:54 remove worker.pid",
    "2020/08/18 21:47:54 exiting",
    ""
  ]
}
POP conf: {'registry': '/root/open-lambda/test-registry'}
PUSH conf: {'features': {'reuse_cgroups': True}}
PUSH conf: {'registry': '/tmp/tmpcv_pc5w1'}
========================================
call_each_once_exec {'alloc_mb': 1, 'lambda_count': 100}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "alloc_mb": 1,
    "lambda_count": 100
  },
  "pass": true,
  "conf": {
    "mem_pool_mb": 500,
    "registry": "/tmp/tmpcv_pc5w1",
    "registry_cache_ms": 5000,
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": true,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox_config": {},
    "limits": {
      "swappiness": 0,
      "procs": 10,
      "mem_mb": 50,
      "installer_mem_mb": 250
    },
    "worker_port": "5000",
    "pip_mirror": "",
    "import_cache_tree": "",
    "server_mode": "lambda",
    "docker_runtime": "",
    "sandbox": "sock"
  },
  "seconds": 2.7208194732666016,
  "total_seconds": 3.168785572052002,
  "stats": {
    "reqs_per_sec": 36.75393882270962
  },
  "ol-stats": {
    "Channel().cnt": 100,
    "Channel().ms-avg": 0,
    "Create().cnt": 101,
    "Create().ms-avg": 7,
    "Create()/acquire-cgroup.cnt": 101,
    "Create()/acquire-cgroup.ms-avg": 0,
    "Create()/acquire-mem.cnt": 101,
    "Create()/acquire-mem.ms-avg": 0,
    "Create()/fork-proc.cnt": 100,
    "Create()/fork-proc.ms-avg": 5,
    "Create()/fresh-proc.cnt": 1,
    "Create()/fresh-proc.ms-avg": 133,
    "Create()/make-root-fs.cnt": 101,
    "Create()/make-root-fs.ms-avg": 0,
    "Destroy().cnt": 152,
    "Destroy().ms-avg": 4,
    "Destroy()/detach-root.cnt": 101,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 101,
    "Destroy()/kill-procs.ms-avg": 2,
    "Destroy()/remove-root.cnt": 101,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 100,
    "LambdaFunc.Invoke.ms-avg": 23,
    "Pause().cnt": 200,
    "Pause().ms-avg": 8,
    "ServeHTTP.cnt": 100,
    "ServeHTTP.ms-avg": 5,
    "Unpause().cnt": 99,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 100,
    "childExit().ms-avg": 3,
    "evict.cnt": 51,
    "evict.ms-avg": 10,
    "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": 3,
    "web-request.cnt": 100,
    "web-request.ms-avg": 23
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:47:57 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:57 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:57 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:57 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:57 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:57 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:47:58 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:47:58 remove worker.pid",
    "2020/08/18 21:47:58 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmpcv_pc5w1'}
PUSH conf: {'registry': '/tmp/tmp_0nt3mwi'}
========================================
call_each_once_exec {'alloc_mb': 10, 'lambda_count': 1000}
========================================
RUN ./ol worker -p=test-dir --detach
RUN ./ol kill -p=test-dir
{
  "test": "call_each_once_exec",
  "params": {
    "alloc_mb": 10,
    "lambda_count": 1000
  },
  "pass": true,
  "conf": {
    "mem_pool_mb": 500,
    "registry": "/tmp/tmp_0nt3mwi",
    "registry_cache_ms": 5000,
    "docker_runtime": "",
    "storage": {
      "scratch": "",
      "root": "private",
      "code": ""
    },
    "trace": {
      "memory": false,
      "cgroups": false,
      "package": false,
      "evictor": false
    },
    "features": {
      "import_cache": true,
      "reuse_cgroups": true,
      "downsize_paused_mem": true
    },
    "Pkgs_dir": "/root/open-lambda/test-dir/lambda/packages",
    "import_cache_tree": "",
    "limits": {
      "swappiness": 0,
      "mem_mb": 50,
      "procs": 10,
      "installer_mem_mb": 250
    },
    "sandbox_config": {},
    "SOCK_base_path": "/root/open-lambda/test-dir/lambda",
    "worker_port": "5000",
    "pip_mirror": "",
    "server_mode": "lambda",
    "worker_dir": "/root/open-lambda/test-dir/worker",
    "sandbox": "sock"
  },
  "seconds": 42.174543142318726,
  "total_seconds": 42.721784830093384,
  "stats": {
    "reqs_per_sec": 23.711001367269226
  },
  "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": 139,
    "Create()/make-root-fs.cnt": 1001,
    "Create()/make-root-fs.ms-avg": 1,
    "Destroy().cnt": 1981,
    "Destroy().ms-avg": 5,
    "Destroy()/detach-root.cnt": 1001,
    "Destroy()/detach-root.ms-avg": 0,
    "Destroy()/kill-procs.cnt": 1001,
    "Destroy()/kill-procs.ms-avg": 7,
    "Destroy()/remove-root.cnt": 1001,
    "Destroy()/remove-root.ms-avg": 0,
    "LambdaFunc.Invoke.cnt": 1000,
    "LambdaFunc.Invoke.ms-avg": 38,
    "Pause().cnt": 2000,
    "Pause().ms-avg": 9,
    "ServeHTTP.cnt": 1000,
    "ServeHTTP.ms-avg": 19,
    "Unpause().cnt": 999,
    "Unpause().ms-avg": 0,
    "childExit().cnt": 1000,
    "childExit().ms-avg": 3,
    "evict.cnt": 980,
    "evict.ms-avg": 10,
    "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": 2,
    "web-request.cnt": 1000,
    "web-request.ms-avg": 38
  },
  "errors": [],
  "worker_tail": [
    "2020/08/18 21:48:40 remove /sys/fs/cgroup/freezer/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:48:40 remove /sys/fs/cgroup/hugetlb/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:48:40 remove /sys/fs/cgroup/memory/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:48:40 remove /sys/fs/cgroup/perf_event/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:48:40 remove /sys/fs/cgroup/systemd/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:48:40 remove /sys/fs/cgroup/pids/test-dir-sandboxes [CGROUP POOL test-dir-sandboxes]",
    "2020/08/18 21:48:40 save stats to /root/open-lambda/test-dir/worker/stats.json",
    "2020/08/18 21:48:40 remove worker.pid",
    "2020/08/18 21:48:40 exiting",
    ""
  ]
}
POP conf: {'registry': '/tmp/tmp_0nt3mwi'}
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