RP/0/RP0/CPU0:R1#show ospf trace spf | include Begin SPF
Wed Sep 23 04:57:53.213 UTC
22   Sep 23 04:39:30.715  ospf_run_spf: Begin SPF
53   Sep 23 04:39:38.167  ospf_run_spf: Begin SPF
84   Sep 23 04:39:43.557  ospf_run_spf: Begin SPF
116  Sep 23 04:39:52.278  ospf_run_spf: Begin SPF
145  Sep 23 04:39:52.478  ospf_run_spf: Begin SPF
176  Sep 23 04:40:01.758  ospf_run_spf: Begin SPF
205  Sep 23 04:40:01.959  ospf_run_spf: Begin SPF
236  Sep 23 04:40:02.771  ospf_run_spf: Begin SPF
265  Sep 23 04:40:03.571  ospf_run_spf: Begin SPF
296  Sep 23 04:40:11.814  ospf_run_spf: Begin SPF
325  Sep 23 04:40:12.015  ospf_run_spf: Begin SPF
356  Sep 23 04:40:18.972  ospf_run_spf: Begin SPF
387  Sep 23 04:40:19.614  ospf_run_spf: Begin SPF
418  Sep 23 04:40:20.015  ospf_run_spf: Begin SPF
449  Sep 23 04:40:20.816  ospf_run_spf: Begin SPF
480  Sep 23 04:40:24.867  ospf_run_spf: Begin SPF
512  Sep 23 04:49:43.667  ospf_run_spf: Begin SPF
544  Sep 23 04:55:12.907  ospf_run_spf: Begin SPF
RP/0/RP0/CPU0:R1#show ospf trace errors
Wed Sep 23 04:57:54.080 UTC

Traces for OSPF 1 (Wed Sep 23 04:57:54)
Traces returned/requested/available:  3/8192/3
Trace buffer: errors

1    Sep 23 04:39:30.223  ospf_nsr_ev_free: Cannot free event 0x9552cfc0: flags 0x0,work 0x64b3fcf959b0, handler 0x64b3f442302e
2    Sep 23 04:39:30.223  ospf_nsr_ev_free:   inst 0x0, nsr_info 0x0, next 0x0
3    Sep 23 04:39:30.316  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']