Re: [PATCH] O6int for interactivity

[Mike Galbraith <efault@gmx.de>]

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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

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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