[BENCHMARK] 100Hz preempt v nopreempt contest results

[Con Kolivas]

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Here are contest results on the same kernel 2.5.70-mm3 set to 100Hz with 
(2.5.70-mm31) and without (2.5.70-mm3n) preempt.

no_load:
Kernel         [runs]   Time    CPU%    Loads   LCPU%   Ratio
2.5.70-mm31         1   77      94.8    0.0     0.0     1.00
2.5.70-mm3n         1   79      94.9    0.0     0.0     1.00
cacherun:
Kernel         [runs]   Time    CPU%    Loads   LCPU%   Ratio
2.5.70-mm31         1   74      98.6    0.0     0.0     0.96
2.5.70-mm3n         1   76      98.7    0.0     0.0     0.96
process_load:
Kernel         [runs]   Time    CPU%    Loads   LCPU%   Ratio
2.5.70-mm31         2   107     69.2    67.0    29.0    1.39
2.5.70-mm3n         2   137     53.3    133.5   45.3    1.73
ctar_load:
Kernel         [runs]   Time    CPU%    Loads   LCPU%   Ratio
2.5.70-mm31         3   105     73.3    0.7     3.8     1.36
2.5.70-mm3n         3   105     73.3    0.7     3.8     1.33
xtar_load:
Kernel         [runs]   Time    CPU%    Loads   LCPU%   Ratio
2.5.70-mm31         3   122     61.5    2.0     4.9     1.58
2.5.70-mm3n         3   113     65.5    2.0     4.4     1.43
io_load:
Kernel         [runs]   Time    CPU%    Loads   LCPU%   Ratio
2.5.70-mm31         4   114     65.8    41.0    19.3    1.48
2.5.70-mm3n         4   112     67.0    41.1    18.8    1.42
io_other:
Kernel         [runs]   Time    CPU%    Loads   LCPU%   Ratio
2.5.70-mm31         2   112     67.9    46.1    21.4    1.45
2.5.70-mm3n         2   112     67.0    46.0    20.4    1.42
read_load:
Kernel         [runs]   Time    CPU%    Loads   LCPU%   Ratio
2.5.70-mm31         2   100     76.0    7.5     7.0     1.30
2.5.70-mm3n         2   101     75.2    7.6     5.9     1.28
list_load:
Kernel         [runs]   Time    CPU%    Loads   LCPU%   Ratio
2.5.70-mm31         2   92      82.6    0.0     5.4     1.19
2.5.70-mm3n         2   94      79.8    0.0     6.4     1.19
mem_load:
Kernel         [runs]   Time    CPU%    Loads   LCPU%   Ratio
2.5.70-mm31         2   95      81.1    53.0    2.1     1.23
2.5.70-mm3n         2   94      80.9    52.0    2.1     1.19
dbench_load:
Kernel         [runs]   Time    CPU%    Loads   LCPU%   Ratio
2.5.70-mm31         4   297     24.9    4.5     52.5    3.86
2.5.70-mm3n         4   292     25.7    4.5     52.4    3.70

Note this time the ratio is less useful since they are both 100Hz. The 
difference this time shows a large preempt improvement in process_load much 
like 1000Hz did. Interestingly, even unloaded kernels no_load and cache_load 
runs are faster with preempt. Only in xtar_load (repeatedly extracting a tar 
with multiple small files) was no preempt faster.

Con
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