nvlist_add_hrtime
errno = nvlist_add_hrtime(nvl, IPMP_PROBE_START_TIME,
errno = nvlist_add_hrtime(nvl, IPMP_PROBE_SENT_TIME,
errno = nvlist_add_hrtime(nvl, IPMP_PROBE_ACKRECV_TIME, recv_time);
errno = nvlist_add_hrtime(nvl, IPMP_PROBE_ACKPROC_TIME, proc_time);
err = nvlist_add_hrtime(nvl, name,
(void) nvlist_add_hrtime(of->dh_nvlist, "atime", t);
(void) nvlist_add_hrtime(of->dh_nvlist, "mtime", t);
(void) nvlist_add_hrtime(of->dh_nvlist, "ctime", t);
error = nvlist_add_hrtime(*ev_attr_list, name,
int nvlist_add_hrtime(nvlist_t *, const char *, hrtime_t);