RP/0/RP0/CPU0:P1#show ospf trace spf | include Begin SPF
Wed Sep 23 05:16:04.743 UTC
21   Sep 23 04:39:35.138  ospf_run_spf: Begin SPF
52   Sep 23 04:39:42.631  ospf_run_spf: Begin SPF
83   Sep 23 04:39:46.781  ospf_run_spf: Begin SPF
115  Sep 23 04:39:52.282  ospf_run_spf: Begin SPF
144  Sep 23 04:39:52.482  ospf_run_spf: Begin SPF
175  Sep 23 04:40:01.764  ospf_run_spf: Begin SPF
206  Sep 23 04:40:01.964  ospf_run_spf: Begin SPF
237  Sep 23 04:40:02.780  ospf_run_spf: Begin SPF
268  Sep 23 04:40:06.813  ospf_run_spf: Begin SPF
299  Sep 23 04:40:08.430  ospf_run_spf: Begin SPF
330  Sep 23 04:40:11.820  ospf_run_spf: Begin SPF
361  Sep 23 04:40:16.821  ospf_run_spf: Begin SPF
392  Sep 23 04:40:21.822  ospf_run_spf: Begin SPF
423  Sep 23 04:40:26.822  ospf_run_spf: Begin SPF
454  Sep 23 05:06:12.062  ospf_run_spf: Begin SPF
485  Sep 23 05:06:19.116  ospf_run_spf: Begin SPF
516  Sep 23 05:12:15.360  ospf_run_spf: Begin SPF
547  Sep 23 05:12:23.515  ospf_run_spf: Begin SPF
RP/0/RP0/CPU0:P1#show ospf trace errors
Wed Sep 23 05:16:05.797 UTC

Traces for OSPF 1 (Wed Sep 23 05:16:06)
Traces returned/requested/available:  3/8192/3
Trace buffer: errors

1    Sep 23 04:39:34.746  ospf_nsr_ev_free: Cannot free event 0xe3d45fc0: flags 0x0,work 0x643fe518aad0, handler 0x643fe198302e
2    Sep 23 04:39:34.746  ospf_nsr_ev_free:   inst 0x0, nsr_info 0x0, next 0x0
3    Sep 23 04:39:34.845  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']