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Date: Sat, 07 Jun 2008 18:12:00 +0200 From: Peter Zijlstra <peterz@...radead.org> To: Mike Galbraith <efault@....de> Cc: Greg Smith <gsmith@...gsmith.com>, Ingo Molnar <mingo@...e.hu>, Dhaval Giani <dhaval@...ux.vnet.ibm.com>, lkml <linux-kernel@...r.kernel.org>, Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com> Subject: Re: [patch part 2] Re: [patch] Re: PostgreSQL pgbench performance regression in 2.6.23+ On Sat, 2008-06-07 at 16:54 +0200, Mike Galbraith wrote: > On Sat, 2008-06-07 at 15:08 +0200, Peter Zijlstra wrote: > > On Sat, 2008-06-07 at 13:38 +0200, Mike Galbraith wrote: > > > > Interesting.. Looks good. > > In that case it _might_ fly, so needs changelog and blame line. Just wondering, how much effect does the last_preempter stuff have?, it seems to me the minimum runtime check ought to throttle these wakeups quite a bit as well. -- 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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