linux - Can sar display date and time? -


on centos, can sar command display both date , time? found sar can display time :

17:42:40        cpu     %user     %nice   %system   %iowait    %steal     %idle 17:42:42             0.31      0.00      0.69      0.06      0.00     98.93

i expect this:

2017-03-28 17:42:40    cpu     %user     %nice   %system   %iowait    %steal     %idle

anyone knows how format?

in sar output first displays date below

===============

linux 2.6.32-642.12.1.e16.x86_64 (ap.pm.pk) 2017-05-03 . _x86_64 . (24 cpu)

12:00:01 cpu %usr %nice %sys %iowait %steal %irq %soft %guest %idle
12:10:01 30.70 0.00 2.2 2.95 0.00 0.00 0.21 0.00 63.88

===============

to check older/previous date sar report need run sar command on var/log/sysstat/sa* file

sar -f /var/log/sysstat/sa13

here 13 date


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