ARM64 commands take seconds to finish

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I'm on an ARM board running Linux. The hardware is a vehicle domain control board which has 6 core ARM Cortex-A78AE and some machine learning cores. I don't want to reboot it because It might be a hardware or driver bug? which might be the reason that causes my performance loss issue.

root@hobot:~# uname -a
Linux hobot 6.1.94-rt33 #1 SMP PREEMPT_RT Fri Nov  8 15:11:35 CST 2024 aarch64 GNU/Linux

I don't know what happend with my OS today, I just suddenly found out that shell commands takes too long to finish. but everything was fine a little while ago. like: enter image description here

As you can see, ls takes about over 5 seconds and it takes 100% CPU in core 4th. I tried strace with ls. It get stuck in nothing. enter image description here

What should I monitor to find out what happened?

Asked by Xingx1 (11 rep)

Feb 23, 2025, 06:22 AM
Last activity: Feb 23, 2025, 07:45 AM

ARM64 commands take seconds to finish

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