Show Human Readable Time in dmesg

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:~ $ 

Posted in Linux