$ sar -u 5 1000

02:32:15 %usr %sys %wio %idle
02:32:21 25 22 51 2
02:32:26 26 25 47 2
02:32:31 30 27 42 1
02:32:37 25 24 49 2
02:32:42 31 29 39 1

The above is SAR unix command output in SUN Solaris OS. Here I see % WIO is high. Is there any way to approach this. How to reduce it..?

If you see users use only very less % of the CPU.

Can any one help me in this.

Thanks..