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Use /proc/1/sched
This commit is contained in:
Jiri Tyr
parent
039db10d86
commit
5cfdaa3aee
2 changed files with 229 additions and 35 deletions
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@ -12,7 +12,7 @@ import pytest
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from pre_commit.languages import docker
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from pre_commit.util import CalledProcessError
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DOCKER_CGROUP_EXAMPLE1 = b'''\
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DOCKER_CGROUP_EXAMPLE = b'''\
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12:hugetlb:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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11:blkio:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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10:freezer:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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@ -28,23 +28,7 @@ DOCKER_CGROUP_EXAMPLE1 = b'''\
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0::/system.slice/containerd.service
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''' # noqa: E501
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DOCKER_CGROUP_EXAMPLE2 = b'''\
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12:blkio:/actions_job/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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11:memory:/actions_job/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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10:hugetlb:/actions_job/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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9:devices:/actions_job/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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8:freezer:/actions_job/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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7:cpu,cpuacct:/actions_job/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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6:cpuset:/actions_job/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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5:pids:/actions_job/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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4:net_cls,net_prio:/actions_job/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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3:perf_event:/actions_job/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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2:rdma:/
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1:name=systemd:/actions_job/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
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0::/system.slice/containerd.service
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''' # noqa: E501
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# The ID should match the above cgroup examples.
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# The ID should match the above cgroup example.
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CONTAINER_ID = 'c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7' # noqa: E501
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NON_DOCKER_CGROUP_EXAMPLE = b'''\
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@ -63,6 +47,108 @@ NON_DOCKER_CGROUP_EXAMPLE = b'''\
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0::/init.scope
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'''
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DOCKER_SCHED_EXAMPLE = b'''\
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sh (1, #threads: 1)
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-------------------------------------------------------------------
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se.exec_start : 349708379.385019
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se.vruntime : 32.684454
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se.sum_exec_runtime : 33.860082
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se.nr_migrations : 18
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nr_switches : 77
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nr_voluntary_switches : 64
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nr_involuntary_switches : 13
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se.load.weight : 1048576
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se.avg.load_sum : 198
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se.avg.runnable_sum : 203813
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se.avg.util_sum : 200802
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se.avg.load_avg : 4
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se.avg.runnable_avg : 4
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se.avg.util_avg : 4
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se.avg.last_update_time : 349700175852544
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se.avg.util_est.ewma : 8
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se.avg.util_est.enqueued : 0
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uclamp.min : 0
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uclamp.max : 1024
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effective uclamp.min : 0
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effective uclamp.max : 1024
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policy : 0
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prio : 120
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clock-delta : 27
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mm->numa_scan_seq : 0
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numa_pages_migrated : 0
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numa_preferred_nid : -1
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total_numa_faults : 0
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current_node=0, numa_group_id=0
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numa_faults node=0 task_private=0 task_shared=0 group_private=0 group_shared=0
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''' # noqa: E501
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SYSTEMD_SCHED_EXAMPLE = b'''\
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systemd (1, #threads: 1)
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-------------------------------------------------------------------
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se.exec_start : 349429286.842224
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se.vruntime : 2759.778972
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se.sum_exec_runtime : 9858.995771
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se.nr_migrations : 11801
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nr_switches : 80235
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nr_voluntary_switches : 78822
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nr_involuntary_switches : 1413
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se.load.weight : 1048576
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se.avg.load_sum : 4221
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se.avg.runnable_sum : 4325517
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se.avg.util_sum : 3881112
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se.avg.load_avg : 91
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se.avg.runnable_avg : 91
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se.avg.util_avg : 81
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se.avg.last_update_time : 349418325520384
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se.avg.util_est.ewma : 81
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se.avg.util_est.enqueued : 81
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uclamp.min : 0
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uclamp.max : 1024
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effective uclamp.min : 0
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effective uclamp.max : 1024
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policy : 0
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prio : 120
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clock-delta : 78
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mm->numa_scan_seq : 0
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numa_pages_migrated : 0
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numa_preferred_nid : -1
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total_numa_faults : 0
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current_node=0, numa_group_id=0
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numa_faults node=0 task_private=0 task_shared=0 group_private=0 group_shared=0
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''' # noqa: E501
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INIT_SCHED_EXAMPLE = b'''\
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init (1, #threads: 1)
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-------------------------------------------------------------------
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se.exec_start : 45362.204529
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se.vruntime : 14424.583092
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se.sum_exec_runtime : 636.475090
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se.nr_migrations : 0
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nr_switches : 409
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nr_voluntary_switches : 206
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nr_involuntary_switches : 203
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se.load.weight : 1048576
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se.runnable_weight : 1048576
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se.avg.load_sum : 48
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se.avg.runnable_load_sum : 48
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se.avg.util_sum : 37888
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se.avg.load_avg : 0
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se.avg.runnable_load_avg : 0
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se.avg.util_avg : 0
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se.avg.last_update_time : 45362203648
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se.avg.util_est.ewma : 9
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se.avg.util_est.enqueued : 0
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policy : 0
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prio : 120
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clock-delta : 396
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mm->numa_scan_seq : 0
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numa_pages_migrated : 0
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numa_preferred_nid : -1
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total_numa_faults : 0
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current_node=0, numa_group_id=0
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numa_faults node=0 task_private=0 task_shared=0 group_private=0 group_shared=0
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''' # noqa: E501
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def test_docker_fallback_user():
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def invalid_attribute():
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@ -90,28 +176,33 @@ def _mock_open(data):
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)
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def test_in_docker_docker_in_file1():
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with _mock_open(DOCKER_CGROUP_EXAMPLE1):
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assert docker._is_in_docker() is True
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def test_in_docker_docker_in_file2():
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with _mock_open(DOCKER_CGROUP_EXAMPLE2):
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assert docker._is_in_docker() is True
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def test_in_docker_docker_in_file():
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with _mock_open(DOCKER_CGROUP_EXAMPLE):
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assert docker._is_in_docker_cgroup() is True
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def test_in_docker_docker_not_in_file():
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with _mock_open(NON_DOCKER_CGROUP_EXAMPLE):
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assert docker._is_in_docker() is False
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assert docker._is_in_docker_cgroup() is False
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def test_get_container_id1():
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with _mock_open(DOCKER_CGROUP_EXAMPLE1):
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assert docker._get_container_id() == CONTAINER_ID
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def test_in_docker_inside_container():
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with _mock_open(DOCKER_SCHED_EXAMPLE):
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assert docker._is_in_docker_sched() is True
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def test_get_container_id2():
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with _mock_open(DOCKER_CGROUP_EXAMPLE2):
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def test_in_docker_outside_container_systemd():
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with _mock_open(SYSTEMD_SCHED_EXAMPLE):
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assert docker._is_in_docker_sched() is False
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def test_in_docker_outside_container_init():
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with _mock_open(INIT_SCHED_EXAMPLE):
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assert docker._is_in_docker_sched() is False
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def test_get_container_id():
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with _mock_open(DOCKER_CGROUP_EXAMPLE):
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assert docker._get_container_id() == CONTAINER_ID
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