On 2021-06-29, Sven F. <sven.falem...@gmail.com> wrote: > Dear readers, > > I probably did something silly again, > Could you help with a bit of knowledge around performance ? > My openbsd CPU (6.8) is spinning a lot : > > 0.0%Int 53.1%Spn 25.8%Sys 19.6%Usr 1.4%Idle > > * Is this bad ? > * What kind of basic operation ( like basic shell scripting ) could do that > ? ? > > Thank you, >
This means the kernel is spending a lot of time waiting for other CPUs to exit locked sections. First things first, try 6.9, the malloc cache implementation changed and that may help.
