sar has the correct information or the vmstat?
- From: arun chakrapani rao <arunrao_oradba@xxxxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Tue, 29 Mar 2005 22:04:03 +0100 (BST)
Hi unix gurus
which tool for checking the cpu utilization is
reliable,
is sar better or vmstat better on an hp box
Please let me know
I am working on an HP itanium server out here and i am
seeing that both these tools show lots of difference
i understand that sar gives out the io stats along
with the idle stats.
I am seeing here that idle time based on vmstat shows
it is 80 to 90% where as the sar shows the idle time
is 50 to 60%
But the top and the glance shows similar to what the
vmstat shows.
Hence i am not sure which is correct.
A small output is being show here
Sar 2 5000
15:58:18 %usr %sys %wio %idle
15:58:30 19 4 32 44
15:58:32 14 4 22 61
15:58:34 13 3 18 66
15:58:36 14 4 26 56
15:58:38 21 5 33 42
Vmstat 2
us sy id
12 4 84
13 2 85
18 4 78
16 4 81
13 3 84
13 3 84
20 5 74
13 6 81
Any help would be greatly appreciated.
Thanks in advance
Arun
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