Symbol: TDF_CLKTHREAD
sys/kern/kern_clock.c
948
if ((td->td_flags & TDF_CLKTHREAD) && td->td_preempted)
sys/kern/kern_intr.c
349
atomic_set_int(&info->i_thread->td_flags, TDF_CLKTHREAD);
sys/platform/pc64/x86_64/machdep.c
3705
if (td->td_flags & TDF_CLKTHREAD) {