Show Human Readable Time in dmesg
By default dmesg shows time stamp.
boby@fwhlin:~ $ dmesg | tail [ 599.761303] perf samples too long (2508 > 2500), lowering kernel.perf_event_max_sample_rate to 50000 [ 1920.244522] perf samples too long (22502 > 5000), lowering kernel.perf_event_max_sample_rate to 25000 [ 1920.244531] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.445 msecs [ 1924.613554] perf samples too long (22353 > 10000), lowering kernel.perf_event_max_sample_rate to 12500 [ 1931.561849] perf samples too long (22212 > 20000), lowering kernel.perf_event_max_sample_rate to 6250 [ 2067.404625] init: /etc/init/plymouth-upstart-bridge.conf:19: Unknown stanza [ 2067.685316] init: /etc/init/plymouth-upstart-bridge.conf:19: Unknown stanza [ 2067.703749] type=1400 audit(1437272856.073:68): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=4943 comm="apparmor_parser" [ 2067.703757] type=1400 audit(1437272856.073:69): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=4943 comm="apparmor_parser" [ 2067.704117] type=1400 audit(1437272856.073:70): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=4943 comm="apparmor_parser" boby@fwhlin:~ $
To show human readable time in dmesg, use dmesg -T
boby@fwhlin:~ $ dmesg -T | tail [Sun Jul 19 07:33:06 2015] perf samples too long (2508 > 2500), lowering kernel.perf_event_max_sample_rate to 50000 [Sun Jul 19 07:55:07 2015] perf samples too long (22502 > 5000), lowering kernel.perf_event_max_sample_rate to 25000 [Sun Jul 19 07:55:07 2015] INFO: NMI handler (perf_event_nmi_handler) took too long to run: 2.445 msecs [Sun Jul 19 07:55:11 2015] perf samples too long (22353 > 10000), lowering kernel.perf_event_max_sample_rate to 12500 [Sun Jul 19 07:55:18 2015] perf samples too long (22212 > 20000), lowering kernel.perf_event_max_sample_rate to 6250 [Sun Jul 19 07:57:34 2015] init: /etc/init/plymouth-upstart-bridge.conf:19: Unknown stanza [Sun Jul 19 07:57:34 2015] init: /etc/init/plymouth-upstart-bridge.conf:19: Unknown stanza [Sun Jul 19 07:57:34 2015] type=1400 audit(1437272856.073:68): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=4943 comm="apparmor_parser" [Sun Jul 19 07:57:34 2015] type=1400 audit(1437272856.073:69): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=4943 comm="apparmor_parser" [Sun Jul 19 07:57:34 2015] type=1400 audit(1437272856.073:70): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=4943 comm="apparmor_parser" boby@fwhlin:~ $
