RP/0/RP0/CPU0:P3#show ospf trace spf | include Begin SPF
Wed Sep 23 04:48:30.871 UTC
21   Sep 23 04:39:47.469  ospf_run_spf: Begin SPF
52   Sep 23 04:39:54.815  ospf_run_spf: Begin SPF
83   Sep 23 04:40:00.671  ospf_run_spf: Begin SPF
115  Sep 23 04:40:02.773  ospf_run_spf: Begin SPF
144  Sep 23 04:40:03.174  ospf_run_spf: Begin SPF
175  Sep 23 04:40:11.820  ospf_run_spf: Begin SPF
206  Sep 23 04:40:12.021  ospf_run_spf: Begin SPF
237  Sep 23 04:40:16.813  ospf_run_spf: Begin SPF
268  Sep 23 04:40:18.977  ospf_run_spf: Begin SPF
299  Sep 23 04:40:20.578  ospf_run_spf: Begin SPF
330  Sep 23 04:40:24.871  ospf_run_spf: Begin SPF
RP/0/RP0/CPU0:P3#show ospf trace errors
Wed Sep 23 04:48:31.682 UTC

Traces for OSPF 1 (Wed Sep 23 04:48:32)
Traces returned/requested/available:  3/8192/3
Trace buffer: errors

1    Sep 23 04:39:47.078  ospf_nsr_ev_free: Cannot free event 0xd21b2fc0: flags 0x0,work 0x5fb2f6ca09e0, handler 0x5fb2f16c802e
2    Sep 23 04:39:47.078  ospf_nsr_ev_free:   inst 0x0, nsr_info 0x0, next 0x0
3    Sep 23 04:39:47.171  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']