SAR command prints 0(zero) %sys and %idle value.
from time to time, SAR command prints 0 for %sys and %idle value which is not possible.
bash-3.00# sar -ugr -f /var/adm/sa/sa22|more
SunOS solg-3220 5.10 Generic_137137-09 sun4v 07/22/2011
00:00:00 %usr %sys %wio %idle
00:05:00 0 0 0 99
00:10:01 0 0 0 100
00:15:00 0 0 0 0
00:20:00 0 0 0 100
00:25:00 0 0 0 100
00:30:00 0 0 0 0
00:35:00 0 0 0 99
00:40:00 0 0 0 100
00:45:00 0 0 0 100
00:50:00 0 0 0 100
00:00:00 pgout/s ppgout/s pgfree/s pgscan/s %ufs_ipf
00:05:00 0.14 0.15 0.13 0.00 0.00
00:10:01 0.11 0.12 0.05 0.00 0.00
00:15:00 0.00 0.00 0.00 0.00 0.00
00:20:00 0.09 0.09 0.07 0.00 0.00
00:25:00 0.09 0.09 0.07 0.00 0.00
00:30:00 0.00 0.00 0.00 0.00 0.00
00:35:00 0.15 0.16 0.13 0.00 0.00
00:40:00 0.07 0.07 0.06 0.00 0.00
00:45:00 0.12 0.13 0.11 0.00 0.00
I did not understand what causes sadc to print zero values, I have checked other users's crontabs there is not any other entry which runs sadc. I really appreciate for the comments.
here is the some information about my system.
bash-3.00# uname -a
SunOS solg-3220 5.10 Generic_137137-09 sun4v sparc SUNW,Sun-Blade-T6320
bash-3.00# crontab -l sys