KTR_EVENT4
KTR_EVENT4(m, egroup, ident, "state:\"%s\"", \
KTR_EVENT4(m, egroup, ident, "counter:%d", \
KTR_EVENT4(m, egroup, ident, "point:\"%s\"", \
KTR_EVENT4(m, egroup, ident, "start:0x%jX", (uintmax_t)key, \
KTR_EVENT4(m, egroup, ident, "stop:0x%jX", (uintmax_t)key, \