Interrupts
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sar -I ALL(not activated by default, see/etc/sysstat/sysstat)vmstat -s
watch cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3 1: 0 0 9 0 IO-APIC 1-edge i8042 6: 3 0 0 0 IO-APIC 6-edge floppy 8: 0 0 0 0 IO-APIC 8-edge rtc0 9: 0 0 0 0 IO-APIC 9-fasteoi acpi 10: 0 0 0 0 IO-APIC 10-fasteoi ehci_hcd:usb1, uhci_hcd:usb2 11: 0 22125 0 0 IO-APIC 11-fasteoi virtio1, uhci_hcd:usb3, uhci_hcd:usb4, qxl 12: 0 144 0 0 IO-APIC 12-edge i8042 14: 6657156 0 7289 0 IO-APIC 14-edge ata_piix 15: 0 10221279 6694177 4977 IO-APIC 15-edge ata_piix 24: 0 0 0 0 PCI-MSI 49152-edge virtio0-config 25: 0 0 485005 0 PCI-MSI 49153-edge virtio0-input.0 26: 0 7 0 2 PCI-MSI 49154-edge virtio0-output.0 27: 91 0 0 0 PCI-MSI 65536-edge snd_hda_intel:card0 NMI: 0 0 0 0 Non-maskable interrupts LOC: 104440170 104248245 104039837 105393358 Local timer interrupts SPU: 0 0 0 0 Spurious interrupts PMI: 0 0 0 0 Performance monitoring interrupts IWI: 0 0 0 0 IRQ work interrupts RTR: 0 0 0 0 APIC ICR read retries RES: 52557650 51011995 50957024 52508445 Rescheduling interrupts CAL: 5609651 5124830 6201466 7524164 Function call interrupts TLB: 2115360 1905026 1871874 2112061 TLB shootdowns TRM: 0 0 0 0 Thermal event interrupts THR: 0 0 0 0 Threshold APIC interrupts DFR: 0 0 0 0 Deferred Error APIC interrupts MCE: 0 0 0 0 Machine check exceptions MCP: 226 226 226 226 Machine check polls HYP: 0 0 0 0 Hypervisor callback interrupts ERR: 0 MIS: 0 PIN: 0 0 0 0 Posted-interrupt notification event NPI: 0 0 0 0 Nested posted-interrupt event PIW: 0 0 0 0 Posted-interrupt wakeup event
May 19 16:30:24 SERVER kernel: perf: interrupt took too long (4082 > 4051), lowering kernel.perf_event_max_sample_rate to 49000
Sep 29 15:50:02 SERVER kernel: ata1: lost interrupt (Status 0x58)
Related
See also
sar, installation, sar -A,sar -F, sar -d,sar -I ALL,sar -n NFS,sar -r,sar -S,sar -W,sar -n ALL, Installing sysstat using Ansible,/etc/sysstat/sysstat,/etc/cron.d/sysstat,sar --help, Sysstat changelog,/var/log/sysstat/,cpu time steal, sargraph, isag, Telegraf- Process, zombie process, fork, thread:
ps,tree,pstree,ps axf,proc,pwdx,which,watch,sar -q,tload,uptime, Interrupts,pgrep,tasklist(Windows), Zombie process,pstack,docker ps,docker-compose ps,jobs,acct,process mrelease,pidstat, IPC,pidof ksoftirqd- interrupts,
/proc/interrupts - FHS,
/proc/,/proc/net/,/boot/,/run/,/dev/,/usr/,/var/run/,/etc/,/var/,/var/lib//var/log/,/var/www/,/opt/,/lib/,/sys/,/proc/kcore,/proc/sys/, /proc/sys/vm/,/snap/,/mnt/,/mnt/data,/var/opt/, /usr/bin/,/lib/, /proc/$PID/, /proc/self/ - CPU, GPU, NPU, TPU, DPU, Groq, Proliant, thread (
Pthreads), processor, CPU socket, core, ARM , CPU Virtualization, Intel, AMD,nm,lscpu, AVX-512, Passthrough, CPU intensive, Graviton processor, Branch predictor, vCPU, SSE, Power
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