Can the processes be load balanced across the available CPUs in a system?

Issue

• A process consumes lot of cpu, can this be made to load balance accross the available cpus?
• Why is only a few of my cpu's are being used to 100% while other cpu's are idle?
• The mpstat output shows that only a few cpus are being utilized, while the others are idel :

# mpstat -P ALL
Linux 2.6.18-274.3.1.el5 (hostname)       03/21/2011

12:38:24 AM  CPU   %user   %nice    %sys %iowait    %irq   %soft  %steal   %idle    intr/s
12:38:24 AM  all    8.06    1.96    2.60   19.36    0.02    0.59    0.00   67.42   1871.05
12:38:24 AM    0    4.09    1.60    1.54   10.34    0.04    0.03    0.00   82.36      9.52
12:38:24 AM    1    8.30    1.61    2.88   24.55    0.00    0.63    0.00   62.03    113.64
12:38:24 AM    2    5.28    2.18    1.82   10.26    0.00    0.01    0.00   80.46      0.25
12:38:24 AM    3   12.10    1.79    3.97   33.54    0.00    1.01    0.00   47.58    184.28
12:38:24 AM    4   17.84    1.25    5.57   41.00    0.04    2.04    0.00   32.26    703.96
12:38:24 AM    5    5.94    2.35    2.28   11.80    0.04    0.70    0.00   76.89    431.83
12:38:24 AM    6    5.26    2.49    1.22   11.50    0.00    0.01    0.00   79.52      1.99
12:38:24 AM    7    5.68    2.44    1.50   11.88    0.01    0.28    0.00   78.22    425.58