KTR_POINT3
KTR_POINT3(KTR_SCHED, "thread", sched_tdname(td), "priority change",
KTR_POINT3(KTR_SCHED, "thread", sched_tdname(curthread),
KTR_POINT3(KTR_SCHED, "thread", sched_tdname(td), "prio",
KTR_POINT3(KTR_SCHED, "thread", sched_tdname(curthread),