gernot@tintenfass:~# lockstat -kIW -D 20 sleep 30 Profiling interrupt: 5840 events in 30.107 seconds (194 events/sec) Count indv cuml rcnt nsec Hottest CPU+PIL Caller ------------------------------------------------------------------------------- 5795 99% 99% 0.00 1464 cpu[0] i86_mwait 23 0% 100% 0.00 1754 cpu[1] fsflush_do_pages 9 0% 100% 0.00 3766 cpu[0] (usermode) 7 0% 100% 0.00 1619 cpu[1] page_nextn 1 0% 100% 0.00 2717 cpu[1] pcacheset_resolve 1 0% 100% 0.00 2365 cpu[0]+11 restore_mstate 1 0% 100% 0.00 4830 cpu[1] page_unlock 1 0% 100% 0.00 1157 cpu[1] do_splx 1 0% 100% 0.00 3023 cpu[1] htable_release 1 0% 100% 0.00 2268 cpu[1] hment_compare -------------------------------------------------------------------------------