Date: Mon, 24 Oct 2005 11:26:46 +0530 From: Joseph Koshy <joseph.koshy@gmail.com> To: Lukas Razik <lukas@razik.de> Cc: freebsd-performance@freebsd.org Subject: Re: Performance issue with 5.4-RELEASE-p8 but not with 5.4-RELEASE Message-ID: <84dead720510232256q73f32c12v58bf86ca703048a6@mail.gmail.com> In-Reply-To: <377396417@web.de> References: <377396417@web.de>
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On 10/24/05, Lukas Razik <lukas@razik.de> wrote: > > O.K. > > I've found the reason for the issue. > After exchanging the newer > src/sys/i386/include/cpufunc.h,v 1.142.6.1 2005/05/13 00:12:57 > src/sys/i386/i386/mp_machdep.c,v 1.235.2.6.2.3 2005/05/13 00:12:56 > from 5.4-RELEASE-p1 by the old > > src/sys/i386/include/cpufunc.h,v 1.142 2004/04/07 20:46:05 > src/sys/i386/i386/mp_machdep.c,v 1.235.2.6.2.2 2005/05/01 05:38:13 > from 5.4-RELEASE the issue disappeared. >From the CVS commit log for this change at: http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/i386/i386/mp_machdep.c?only= _with_tag=3DRELENG_5_4 "Add a knob for disabling/enabling HTT, "machdep.hyperthreading_allowed". Default off due to information disclosure on multi-user systems." Does turning HTT back on fix the regression? -- FreeBSD Volunteer, http://people.freebsd.org/~jkoshy
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