>> > OP: what is your sysctl kern.timecounter ? >> > >> >> kern.timecounter.tick=1 >> kern.timecounter.timestepwarnings=0 >> kern.timecounter.hardware=pvclock0 >> kern.timecounter.choice=i8254(0) pvclock0(1500) acpihpet0(1000) >> acpitimer0(1000) >> >> > > You might try changing this and seeing if the load changes.
I tried setting kern.timecounter.hardware to the alternatives shown in timecounter.choice: They all make the situation much worse, at -smp 8 it goes from the 4-5% of pvclock0 to 8%-15% of the others.
