acpi_pad プロセスが CPU を大量に消費する
Issue
サーバーの CPU 負荷が高く、多くの acpi_pad プロセスが CPU を大量に消費しています。
Tasks: 1031 total, 66 running, 965 sleeping, 0 stopped, 0 zombie
%Cpu(s): 14.8 us, 52.8 sy, 0.0 ni, 31.9 id, 0.2 wa, 0.0 hi, 0.3 si, 0.0 st
KiB Mem : 10562912+total, 66124185+free, 37628070+used, 18768652 buff/cache
KiB Swap: 4194300 total, 4194300 free, 0 used. 67010099+avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
963890 qemu 20 0 40.9g 40.1g 12120 S 301.9 4.0 156654:49 qemu-kvm
278503 qemu 20 0 41.0g 11.9g 12092 S 293.2 1.2 268:42.38 qemu-kvm
876242 qemu 20 0 41.2g 40.1g 12120 S 227.3 4.0 138545:04 qemu-kvm
782025 qemu 20 0 41.1g 38.5g 12120 S 200.6 3.8 52635:23 qemu-kvm
329268 qemu 20 0 41.1g 40.1g 12128 S 125.8 4.0 196541:49 qemu-kvm
728861 root -2 0 0 0 0 R 96.9 0.0 1035:42 acpi_pad/31
728860 root -2 0 0 0 0 R 95.7 0.0 1035:43 acpi_pad/30
728669 root -2 0 0 0 0 R 95.3 0.0 1035:56 acpi_pad/0
728672 root -2 0 0 0 0 R 95.3 0.0 1035:55 acpi_pad/2
728675 root -2 0 0 0 0 R 95.3 0.0 1035:56 acpi_pad/5
728687 root -2 0 0 0 0 R 95.3 0.0 1035:54 acpi_pad/6
728692 root -2 0 0 0 0 R 95.3 0.0 1035:51 acpi_pad/9
728702 root -2 0 0 0 0 R 95.3 0.0 1035:52 acpi_pad/13
728711 root -2 0 0 0 0 R 95.3 0.0 1035:51 acpi_pad/14
728713 root -2 0 0 0 0 R 95.3 0.0 1035:51 acpi_pad/15
728747 root -2 0 0 0 0 R 95.3 0.0 1035:50 acpi_pad/16
728753 root -2 0 0 0 0 R 95.3 0.0 1035:49 acpi_pad/19
728801 root -2 0 0 0 0 R 95.3 0.0 1035:47 acpi_pad/20
728830 root -2 0 0 0 0 R 95.3 0.0 1035:46 acpi_pad/24
728831 root -2 0 0 0 0 R 95.3 0.0 1035:44 acpi_pad/25
728834 root -2 0 0 0 0 R 95.3 0.0 1035:45 acpi_pad/26
728835 root -2 0 0 0 0 R 95.3 0.0 1035:44 acpi_pad/27
728838 root -2 0 0 0 0 R 95.3 0.0 1035:44 acpi_pad/28
728839 root -2 0 0 0 0 R 95.3 0.0 1035:43 acpi_pad/29
728865 root -2 0 0 0 0 R 95.3 0.0 1035:42 acpi_pad/33
728871 root -2 0 0 0 0 R 95.3 0.0 1035:40 acpi_pad/34
728872 root -2 0 0 0 0 R 95.3 0.0 1035:39 acpi_pad/35
728874 root -2 0 0 0 0 R 95.3 0.0 1035:41 acpi_pad/36
728875 root -2 0 0 0 0 R 95.3 0.0 1035:40 acpi_pad/37
728879 root -2 0 0 0 0 R 95.3 0.0 1035:42 acpi_pad/38
728880 root -2 0 0 0 0 R 95.3 0.0 1035:39 acpi_pad/39
728887 root -2 0 0 0 0 R 95.3 0.0 1035:37 acpi_pad/43
728896 root -2 0 0 0 0 R 95.3 0.0 1035:35 acpi_pad/47
728673 root -2 0 0 0 0 D 95.0 0.0 1035:55 acpi_pad/3
728827 root -2 0 0 0 0 D 95.0 0.0 1035:48 acpi_pad/22
629726 qemu 20 0 11.2g 9.1g 12112 S 94.7 0.9 17780:40 qemu-kvm
728864 root -2 0 0 0 0 D 94.4 0.0 1035:41 acpi_pad/32
728886 root -2 0 0 0 0 D 94.4 0.0 1035:38 acpi_pad/42
728802 root -2 0 0 0 0 R 94.1 0.0 1035:49 acpi_pad/21
728670 root -2 0 0 0 0 R 93.8 0.0 1035:55 acpi_pad/1
728674 root -2 0 0 0 0 R 93.8 0.0 1035:57 acpi_pad/4
728688 root -2 0 0 0 0 R 93.8 0.0 1035:54 acpi_pad/7
728691 root -2 0 0 0 0 R 93.8 0.0 1035:54 acpi_pad/8
728694 root -2 0 0 0 0 R 93.8 0.0 1035:51 acpi_pad/10
728695 root -2 0 0 0 0 R 93.8 0.0 1035:52 acpi_pad/11
728701 root -2 0 0 0 0 R 93.8 0.0 1035:51 acpi_pad/12
728752 root -2 0 0 0 0 R 93.8 0.0 1035:49 acpi_pad/18
728828 root -2 0 0 0 0 R 93.8 0.0 1035:47 acpi_pad/23
728883 root -2 0 0 0 0 R 93.8 0.0 1035:40 acpi_pad/40
728884 root -2 0 0 0 0 R 93.8 0.0 1035:37 acpi_pad/41
728889 root -2 0 0 0 0 R 93.8 0.0 1035:35 acpi_pad/44
728890 root -2 0 0 0 0 R 93.8 0.0 1035:35 acpi_pad/45
728895 root -2 0 0 0 0 R 93.8 0.0 1035:36 acpi_pad/46
728748 root -2 0 0 0 0 R 93.5 0.0 1035:51 acpi_pad/17
Environment
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat OpenStack Platform 12
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