Hunting kernel lock and interrupt latency.

Too much of the kernel still runs with the kernel lock, which is bad for performance -- and especially for interactive system responsiveness, since most of wscons including keyboard and mouse input still use the kernel lock. On single-CPU systems, the same problem arises with interrupt latency on its own...

https://mail-index.netbsd.org/tech-kern/2022/10/30/msg028499.html

#kernel #troubleshooting #system

NetBSD

Hunting kernel lock and interrupt latency.

Too much of the kernel still runs with the kernel lock, which is bad for performance -- and especially for interactive system responsiveness, since most of wscons including keyboard and mouse input still use the kernel lock. On single-CPU systems, the same problem arises with interrupt latency on its own...

https://mail-index.netbsd.org/tech-kern/2022/10/30/msg028499.html

#kernel #troubleshooting #system

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hottg.com/netbsd/77

487 viewsOct 31, 2022 at 15:14