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SubjectRe: [PATCH] O6int for interactivity
At 03:12 PM 7/16/2003 -0700, Davide Libenzi wrote:

>http://www.xmailserver.org/linux-patches/irman2.c
>
>and run it with different -n (number of tasks) and -b (CPU burn ms time).
>At the same time try to build a kernel for example. Then you will realize
>that interactivity is not the bigger problem that the scheduler has right
>now.

I added an irman2 load to contest. Con's changes 06+06.1 stomped it flat
[1]. irman2 is modified to run for 30s at a time, but with default parameters.

-Mike

[1] imho a little too flat. it also made a worrisome impression on apache
bench
no_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.69 1 153 94.8 0.0 0.0 1.00
2.5.70 1 153 94.1 0.0 0.0 1.00
2.6.0-test1 1 153 94.1 0.0 0.0 1.00
2.6.0-test1-mm1 1 152 94.7 0.0 0.0 1.00
cacherun:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.69 1 146 98.6 0.0 0.0 0.95
2.5.70 1 146 98.6 0.0 0.0 0.95
2.6.0-test1 1 146 98.6 0.0 0.0 0.95
2.6.0-test1-mm1 1 146 98.6 0.0 0.0 0.96
process_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.69 1 331 43.8 90.0 55.3 2.16
2.5.70 1 199 72.4 27.0 25.5 1.30
2.6.0-test1 1 264 54.5 61.0 44.3 1.73
2.6.0-test1-mm1 1 323 44.9 88.0 54.2 2.12
ctar_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.69 1 190 77.9 0.0 0.0 1.24
2.5.70 1 186 80.1 0.0 0.0 1.22
2.6.0-test1 1 213 70.4 0.0 0.0 1.39
2.6.0-test1-mm1 1 207 72.5 0.0 0.0 1.36
xtar_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.69 1 196 75.0 0.0 3.1 1.28
2.5.70 1 195 75.9 0.0 3.1 1.27
2.6.0-test1 1 193 76.7 1.0 4.1 1.26
2.6.0-test1-mm1 1 195 75.9 1.0 4.1 1.28
io_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.69 1 437 34.6 69.1 15.1 2.86
2.5.70 1 401 37.7 72.3 17.4 2.62
2.6.0-test1 1 243 61.3 48.1 17.3 1.59
2.6.0-test1-mm1 1 336 44.9 64.5 17.3 2.21
io_other:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.69 1 387 38.8 69.3 17.3 2.53
2.5.70 1 422 36.0 75.3 17.1 2.76
2.6.0-test1 1 258 57.8 55.8 19.0 1.69
2.6.0-test1-mm1 1 330 45.5 63.2 17.2 2.17
read_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.69 1 221 67.0 9.4 3.6 1.44
2.5.70 1 220 67.3 9.4 3.6 1.44
2.6.0-test1 1 200 74.0 9.7 4.0 1.31
2.6.0-test1-mm1 1 190 78.4 9.2 4.2 1.25
list_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.69 1 203 71.4 99.0 20.2 1.33
2.5.70 1 205 70.7 104.0 20.5 1.34
2.6.0-test1 1 199 72.4 102.0 21.6 1.30
2.6.0-test1-mm1 1 193 75.1 91.0 19.7 1.27
mem_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.69 1 256 57.8 34.0 1.2 1.67
2.5.70 1 252 58.7 33.0 1.2 1.65
2.6.0-test1 1 309 48.2 75.0 2.3 2.02
2.6.0-test1-mm1 1 277 53.8 38.0 1.4 1.82
dbench_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.69 1 517 28.8 5.0 35.6 3.38
2.5.70 1 424 35.1 3.0 26.7 2.77
2.6.0-test1 1 347 42.7 4.0 39.5 2.27
2.6.0-test1-mm1 1 377 39.8 4.0 36.9 2.48
ab_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.5.69 1 300 48.3 46.0 21.7 1.96
2.5.70 1 300 48.0 46.0 22.0 1.96
2.6.0-test1 1 281 51.6 50.0 25.6 1.84
2.6.0-test1-mm1 1 229 63.3 30.0 18.3 1.51
irman2_load:
Kernel [runs] Time CPU% Loads LCPU% Ratio
2.6.0-test1 1 999 14.5 31.0 0.0 6.53
2.6.0-test1-mm1 1 210 69.0 6.0 0.0 1.38
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