From owner-freebsd-hackers Thu Nov 2 10:39:50 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from nets5.rz.rwth-aachen.de (nets5.rz.RWTH-Aachen.DE [137.226.144.13]) by hub.freebsd.org (Postfix) with ESMTP id 6AA2037B4C5 for ; Thu, 2 Nov 2000 10:39:46 -0800 (PST) Received: from hyperion.informatik.rwth-aachen.de (hyperion.Informatik.RWTH-Aachen.DE [137.226.112.212]) by nets5.rz.rwth-aachen.de (8.10.1/8.10.1/7) with ESMTP id eA2IdXm22303; Thu, 2 Nov 2000 19:39:33 +0100 (MET) Received: from agamemnon.informatik.rwth-aachen.de (agamemnon.Informatik.RWTH-Aachen.DE [137.226.194.74]) by hyperion.informatik.rwth-aachen.de (8.9.1b+Sun/8.9.1/2) with ESMTP id TAA13173; Thu, 2 Nov 2000 19:39:08 +0100 (MET) Received: (from stolz@localhost) by agamemnon.informatik.rwth-aachen.de (8.9.1b+Sun/8.9.1-gb-2) id TAA03675; Thu, 2 Nov 2000 19:39:28 +0100 (MET) Date: Thu, 2 Nov 2000 19:39:28 +0100 From: Volker Stolz To: Hao Zhang Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: high speed timestamp counter Message-ID: <20001102193928.J2687@agamemnon.informatik.rwth-aachen.de> Mail-Followup-To: Volker Stolz , Hao Zhang , freebsd-hackers@FreeBSD.ORG References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from zhanghao@nortelnetworks.com on Thu, Nov 02, 2000 at 01:00:37PM -0500 Organization: Chair for CS II 1/2, Anomalous Programming Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Am 02. Nov 2000 um 19:00 MET schrieb Hao Zhang: > I am trying to read the on board Pentium Time Stamp Counter. Is there an API > in Unix that allows me to read it directly? Try 'man 4 perfmon'. Remember it requires an option in the kernel, though. -- Volker Stolz * stolz@i2.informatik.rwth-aachen.de * PGP + S/MIME To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message