Date: Wed, 13 Mar 2002 16:18:19 -0800 From: Alfred Perlstein <bright@mu.org> To: Jordan Hubbard <jkh@winston.freebsd.org> Cc: hackers@freebsd.org Subject: Re: Interesting sysctl variables in Mac OS X with hw info Message-ID: <20020314001819.GB74829@elvis.mu.org> In-Reply-To: <68214.1016063680@winston.freebsd.org> References: <68214.1016063680@winston.freebsd.org>
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* Jordan Hubbard <jkh@winston.freebsd.org> [020313 15:56] wrote: > hw.busfrequency = 133326902 > hw.cpufrequency = 667000000 > hw.cachelinesize = 32 > hw.l1icachesize = 32768 > hw.l1dcachesize = 32768 > hw.l2settings = -2147483648 > hw.l2cachesize = 262144 > > Assuming that some or all of this information can be derived on x86 / > alpha / sparc, how useful do folks think it would be to have this > information be available from sysctl space? I personally would love > to see CPU and bus speed info. Those look pretty good. Having the cacheline size available would also help quite a bit for avoiding false sharing for allocation of data structures in smp. -- -Alfred Perlstein [alfred@freebsd.org] To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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