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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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