Date: Tue, 24 May 2011 15:42:53 +0200 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-stable@freebsd.org Subject: Re: [poll] hyperthreading_allowed, hlt_logical_cpus, mp_watchdog Message-ID: <irgcl2$91e$1@dough.gmane.org> In-Reply-To: <4DDBB0C4.5010109@FreeBSD.org> References: <4DDBB0C4.5010109@FreeBSD.org>
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On 24/05/2011 15:21, Andriy Gapon wrote: > > I am planning on some changes in head and would like to see if people use the > following features: > - machdep.hyperthreading_allowed tunable and sysctl > - machdep.hlt_logical_cpus tunable and sysctl > - mp_watchdog kernel option > > If you are using any of the above, please let me know - better via a private reply: > - which exactly of the mentioned above features you use > - please make distinction between use of tunables and sysctls > - tell for what you use the feature > - provide overview of your hardware, which scheduler you use and intended purpose > of the system Whatever you do, please leave at least some way (at least a tunable) to enable/disable HTT - some workloads are better with, and some without it, and some BIOSes are unreliable in enabling/disabling it :)
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