From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Fri, 04 Jun 2004 06:04:34 +0000 Subject: Re: GLIBC IA64 HP_TIMING fixes for SMP systems with unsynchronized ITC Message-Id: <16576.4338.739471.384600@napali.hpl.hp.com> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> On Thu, 3 Jun 2004 13:28:35 -0700 (PDT), Christoph Lameter said: Christoph> The following patch checks for drifty ITC clocks based on Christoph> that file. If ITC is drifty then it generates timestamps Christoph> based on the gettimeofday system call. Does anyone else find it annoying that gettimeofday() only provides micro-second resolution? We can do syscalls significantly faster than that (especially with a light-weight syscall handler). Time for a kernel extension? --daivd