Sar

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Performance measurement tool together with sa an acct

sar -b 10 -f <location of sa-file>
Show the IO statistics from the sa-file. If the file is omitted the measurement will be real-time
sar -d 10 -f <location of sa-file>
Statistics per block device
sar -u 10 -f <location of sa-file>
CPU statistics
sar -r 10 -f <location of sa-file>
Memory utilization
sar -B 10 -f <location of sa-file>
Paging (swapping) activity
sar -S 10 -f <location of sa-file>
Swap space utilization
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