On Fri, Aug 17, 2007 at 02:12:28PM +0530, Balbir Singh wrote:
Hi Andrew,
 
> The code was also tested on a power box with regular machine usage scenarios,
> the config disabled and with a stress suite that touched all the memory
> in the system and was limited in a container.
> 
> Dhaval ran several tests on v6 and gave his thumbs up to the controller
> (a hard to achieve goal :-) ).
> 

I've been running v6 on x86 and there are a few things I've tried. Most
of those results Balbir has already posted.

> Run kernbench stress
> --------------------
> Three simultaneously and with one inside a container of 800 MB.
> 

The idea here was to create pressure inside the container while having
global pressure.

> 
> Kernbench results running within the container of 800 MB
> --------------------------------------------------------
> 
> Thu Aug 16 22:34:59 IST 2007
> 2.6.23-rc2-mm2-mem-v6
> Average Half load -j 4 Run (std deviation):
> Elapsed Time 466.548 (47.6014)
> User Time 876.598 (10.5273)
> System Time 223.136 (1.29247)
> Percent CPU 237.2 (23.2744)
> Context Switches 146351 (6539.91)
> Sleeps 174003 (5031.94)
> 
> Average Optimal load -j 32 Run (std deviation):
> Elapsed Time 423.496 (60.625)
> User Time 897.285 (23.0391)
> System Time 228.836 (6.11205)
> Percent CPU 257.1 (40.9022)
> Context Switches 262134 (123397)
> Sleeps 270815 (103597)
> 
> 
> Kernbench results running within the default container
> ------------------------------------------------------
> 
> Thu Aug 16 22:34:33 IST 2007
> 2.6.23-rc2-mm2-mem-v6
> Average Half load -j 4 Run (std deviation):
> Elapsed Time 424.17 (3.45908)
> User Time 841.992 (5.40178)
> System Time 213.01 (0.706258)
> Percent CPU 248.2 (0.83666)
> Context Switches 134254 (9535.83)
> Sleeps 167359 (6858.45)
> 
> Average Optimal load -j 32 Run (std deviation):
> Elapsed Time 407.092 (108.932)
> User Time 878.493 (38.6575)
> System Time 222.155 (9.77127)
> Percent CPU 278.4 (91.5826)
> Context Switches 253836 (127708)
> Sleeps 263760 (103468)
> 
> 
> Kernbench results running within the default container
> ------------------------------------------------------
> 
> Thu Aug 16 22:34:52 IST 2007
> 2.6.23-rc2-mm2-mem-v6
> Average Half load -j 4 Run (std deviation):
> Elapsed Time 465.038 (48.5147)
> User Time 874.742 (5.86563)
> System Time 222.194 (0.561676)
> Percent CPU 237.2 (22.5211)
> Context Switches 144040 (7052.23)
> Sleeps 172130 (5608.73)
> 
> Average Optimal load -j 32 Run (std deviation):
> Elapsed Time 426.25 (62.34)
> User Time 893.938 (20.6732)
> System Time 227.717 (5.87502)
> Percent CPU 255.6 (40.7163)
> Context Switches 259560 (122953)
> Sleeps 267402 (101801)
> 

I've been running v6 for sometime and it has been stable (still not
been able to break/crash it, whereas v4 was broken within 1 hour :-) )

Andrew, I feel these patches whould be included in mm so that it gets
wider testing.

-- 
regards,
Dhaval

I would like to change the world but they don't give me the source code!
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