RP/0/RP0/CPU0:P4#show ospf trace spf | include Begin SPF
Wed Sep 23 05:17:38.024 UTC
21   Sep 23 04:39:56.257  ospf_run_spf: Begin SPF
52   Sep 23 04:40:04.327  ospf_run_spf: Begin SPF
83   Sep 23 04:40:10.604  ospf_run_spf: Begin SPF
115  Sep 23 04:40:11.818  ospf_run_spf: Begin SPF
144  Sep 23 04:40:12.218  ospf_run_spf: Begin SPF
175  Sep 23 04:40:18.978  ospf_run_spf: Begin SPF
206  Sep 23 04:40:19.620  ospf_run_spf: Begin SPF
237  Sep 23 04:40:20.021  ospf_run_spf: Begin SPF
268  Sep 23 04:40:20.821  ospf_run_spf: Begin SPF
299  Sep 23 04:40:24.869  ospf_run_spf: Begin SPF
330  Sep 23 05:06:12.062  ospf_run_spf: Begin SPF
361  Sep 23 05:06:19.105  ospf_run_spf: Begin SPF
392  Sep 23 05:12:15.360  ospf_run_spf: Begin SPF
423  Sep 23 05:12:23.504  ospf_run_spf: Begin SPF
RP/0/RP0/CPU0:P4#show ospf trace errors
Wed Sep 23 05:17:38.904 UTC

Traces for OSPF 1 (Wed Sep 23 05:17:39)
Traces returned/requested/available:  3/8192/3
Trace buffer: errors

1    Sep 23 04:39:55.958  ospf_nsr_ev_free: Cannot free event 0xf3badfc0: flags 0x0,work 0x62a0857aeba0, handler 0x62a059dbb02e
2    Sep 23 04:39:55.958  ospf_nsr_ev_free:   inst 0x0, nsr_info 0x0, next 0x0
3    Sep 23 04:39:55.973  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']