Messages in this thread | | | Date | Wed, 7 Mar 2012 11:47:28 -0800 | From | Greg KH <> | Subject | Re: 2.6.36 and higher version kernel slower than 2.6.25.1 kernel? |
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On Wed, Mar 07, 2012 at 12:04:33PM -0500, Xiachen Dong wrote: > > Hi, > > Recently we upgrade the OS for our AT91RM9200 platform from 2.6.25.1 > to 2.6.36. We run the SQLITE3 database insertion tests for the new > kernel. The test result shows that 2.6.36 kernel is around 10% slower > than the 2.6.25.1.
Ick.
As you noted this is still present in 3.0.23, any chance to try out 3.2.9?
And as you seem to have a good reproducable test, can you run 'git bisect' between 2.6.35 and 2.6.36 to find the patch that causes this problem so we can work on resolving it?
thanks,
greg k-h
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