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Date: Mon, 29 Oct 2007 08:15:33 +0800 From: "Zhang, Yanmin" <yanmin_zhang@...ux.intel.com> To: Peter Zijlstra <peterz@...radead.org> Cc: LKML <linux-kernel@...r.kernel.org>, mingo@...e.hu Subject: Re: aim7 -30% regression in 2.6.24-rc1 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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