Re: [PATCH] scheduler patch, faster still

Michael L. Galbraith (mikeg@weiden.de)
Mon, 28 Sep 1998 07:35:48 +0200 (CEST)


On Sun, 27 Sep 1998 yodaiken@chelm.cs.nmt.edu wrote:

>
> Do you have a result with an instrumented schedule()? If not, why not?
>

Hi,

These are from a fully instrumented kernel. (and with Rik's patch)

%TotTime TotUsecs AvgUsecs Calls Switch from/to pid
x2
2.4275% 20671.09 2.07 10001 c0112223 schedule p234s235
2.5050% 21331.38 2.13 9999 c0112223 schedule p235s234

x10
0.1530% 2373.03 6.52 364 c0112223 schedule p268s265
0.1956% 3033.78 8.31 365 c0112223 schedule p265s268
0.3469% 5381.37 6.05 889 c0112223 schedule p269s265
0.4172% 6471.55 7.28 889 c0112223 schedule p265s269
1.9078% 29596.57 6.69 4423 c0112223 schedule p267s265
2.0161% 31276.17 7.07 4423 c0112223 schedule p265s267
2.7864% 43225.69 6.65 6502 c0112223 schedule p266s265
2.8915% 44856.39 6.90 6501 c0112223 schedule p265s266
7.8522% 121812.09 12.20 9988 c0112223 schedule p275s264
7.9070% 122662.42 12.28 9989 c0112223 schedule p264s275

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