[BENCHMARK] scheduler tunables with contest - starvation_limit

[Con Kolivas]

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osdl, contest, tunable - starvation limit on 2.5.52-mm1

noload:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
sta_lim1000 [3]         39.7    179     0       0       1.10
sta_lim2000 [3]         39.7    181     0       0       1.10

cacherun:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
sta_lim1000 [3]         36.7    194     0       0       1.01
sta_lim2000 [3]         37.0    194     0       0       1.02

process_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
sta_lim1000 [3]         48.2    146     10      47      1.33
sta_lim2000 [3]         45.6    157     7       37      1.26

ctar_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
sta_lim1000 [3]         57.9    158     1       10      1.60
sta_lim2000 [3]         54.3    153     1       10      1.50

xtar_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
sta_lim1000 [3]         72.9    125     1       8       2.01
sta_lim2000 [3]         67.6    130     1       9       1.87

io_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
sta_lim1000 [3]         89.6    98      12      19      2.47
sta_lim2000 [3]         79.9    104     11      19      2.21

io_other:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
sta_lim1000 [3]         68.1    124     8       19      1.88
sta_lim2000 [3]         68.5    116     9       20      1.89

read_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
sta_lim1000 [3]         49.9    151     5       6       1.38
sta_lim2000 [3]         50.9    150     5       6       1.41

list_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
sta_lim1000 [3]         43.8    167     0       9       1.21
sta_lim2000 [3]         43.5    168     0       9       1.20

mem_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
sta_lim1000 [3]         106.8   77      36      2       2.95
sta_lim2000 [3]         112.4   73      36      2       3.10

Slight balance changes here. Most io things take slightly longer with lower 
starvation limit and mem_load takes less time.

Con
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