On Wed, Jun 30, 2021 at 4:15 AM Stuart Henderson <s...@spacehopper.org> wrote: > > 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. > >
Thank you, Can I use ktrace to check where the lock comes from ( can't really put 6.9 easily to test ) ? Will try to get 6.9 anyway, but it would be either to know what i need to test. -- -- --------------------------------------------------------------------------------------------------------------------- Knowing is not enough; we must apply. Willing is not enough; we must do
