From owner-freebsd-current@freebsd.org Sat Dec 30 08:28:21 2017 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 40808EB13B4 for ; Sat, 30 Dec 2017 08:28:21 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id CBE5B745E1 for ; Sat, 30 Dec 2017 08:28:20 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id vBU8SCEF066990 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sat, 30 Dec 2017 10:28:15 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua vBU8SCEF066990 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id vBU8SC76066989; Sat, 30 Dec 2017 10:28:12 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Sat, 30 Dec 2017 10:28:12 +0200 From: Konstantin Belousov To: blubee blubeeme Cc: FreeBSD current Subject: Re: Programmatically cache line Message-ID: <20171230082812.GL1684@kib.kiev.ua> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.2 (2017-12-15) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 30 Dec 2017 08:28:21 -0000 On Sat, Dec 30, 2017 at 07:50:19AM +0000, blubee blubeeme wrote: > Is there some way to programmatically get the CPU cache line sizes on > FreeBSD? There are, all of them are MD. On x86, the CPUID instruction leaf 0x1 returns the information in %ebx register.