RP/0/RP0/CPU0:R5#show ospf trace spf | include Begin SPF
Wed Sep 23 05:18:10.883 UTC
22   Sep 23 04:40:04.286  ospf_run_spf: Begin SPF
53   Sep 23 04:40:13.335  ospf_run_spf: Begin SPF
84   Sep 23 04:40:18.728  ospf_run_spf: Begin SPF
116  Sep 23 04:40:18.970  ospf_run_spf: Begin SPF
145  Sep 23 04:40:19.370  ospf_run_spf: Begin SPF
176  Sep 23 04:40:20.171  ospf_run_spf: Begin SPF
205  Sep 23 04:40:21.772  ospf_run_spf: Begin SPF
236  Sep 23 04:40:24.974  ospf_run_spf: Begin SPF
267  Sep 23 05:06:12.068  ospf_run_spf: Begin SPF
298  Sep 23 05:06:19.110  ospf_run_spf: Begin SPF
329  Sep 23 05:12:15.366  ospf_run_spf: Begin SPF
360  Sep 23 05:12:23.509  ospf_run_spf: Begin SPF
RP/0/RP0/CPU0:R5#show ospf trace errors
Wed Sep 23 05:18:11.796 UTC

Traces for OSPF 1 (Wed Sep 23 05:18:12)
Traces returned/requested/available:  3/8192/3
Trace buffer: errors

1    Sep 23 04:40:03.884  ospf_nsr_ev_free: Cannot free event 0xc1311fc0: flags 0x0,work 0x5efdf26a8ad0, handler 0x5efdd4dd302e
2    Sep 23 04:40:03.884  ospf_nsr_ev_free:   inst 0x0, nsr_info 0x0, next 0x0
3    Sep 23 04:40:03.894  ospf_is_config_startup_done: Reading config startup done tuple failed [errno 0x40818600: 'sysdb' detected the 'warning' condition 'A SysDB client tried to access a nonexistent item or list an empty directory']