If you’re looking for CPU usage statistics and system performance on IBM AIX, sar might just be the tool your looking for. It’ll display information for 5 minutes intervals from midnight to current time. The output looks like this :
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On a Unix machine, you can use this little ftp trick to have an idea of your throughput :
ftp> put “| dd if=/dev/zero bs=100000 count=100″ /dev/null
200 PORT command successful.
150 ASCII data connection for /dev/null (192.168.0.1,32953).
100+0 records in
100+0 records out
226 Transfer complete.
local: | dd if=/dev/zero bs=100000 count=100 remote: /dev/null
10000000 bytes sent in 2.9 seconds (3388.52 Kbytes/s)
This will generate a stream of bytes from one host to another and give you the data rate at the end