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SubjectRe: aim7 -30% regression in 2.6.24-rc1
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On Fri, 2007-10-26 at 11:53 +0200, Peter Zijlstra wrote:
> On Fri, 2007-10-26 at 17:43 +0800, Zhang, Yanmin wrote:
> > I tested 2.6.24-rc1 on my x86_64 machine which has 2 quad-core processors.
> >
> > Comparing with 2.6.23, aim7 has about -30% regression. I did a bisect and found
> > patch http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=b5869ce7f68b233ceb81465a7644be0d9a5f3dbb
> > caused the issue.
>
> Bit weird that you point to a merge commit, and not an actual patch. Are
> you sure git bisect pointed at this one?
When I did a bisect, kernel couldn't boot and my testing log showed
it's at b5869ce7f68b233ceb81465a7644be0d9a5f3dbb. So I did a manual
checkout.

#git clone ...
#git pull ...
#git checkout b5869ce7f68b233ceb81465a7644be0d9a5f3dbb

Then, compiled kernel and tested it. Then, reversed above patch and recompiled/retested it.


If I ran git log, I could see this tag in the list.

-yanmin
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