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From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: GLIBC IA64 HP_TIMING fixes for SMP systems with unsynchronized ITC
Date: Fri, 04 Jun 2004 06:04:34 +0000	[thread overview]
Message-ID: <16576.4338.739471.384600@napali.hpl.hp.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0406031313420.32412@server.home>

>>>>> On Thu, 3 Jun 2004 13:28:35 -0700 (PDT), Christoph Lameter <christoph@lameter.com> 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

  parent reply	other threads:[~2004-06-04  6:04 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-03 20:28 GLIBC IA64 HP_TIMING fixes for SMP systems with unsynchronized ITC Christoph Lameter
2004-06-03 20:51 ` GLIBC IA64 HP_TIMING fixes for SMP systems with unsynchronized Andreas Schwab
2004-06-03 21:21 ` Christoph Lameter
2004-06-03 21:52 ` Andreas Schwab
2004-06-04  6:04 ` David Mosberger [this message]
2004-06-04  6:12 ` Ulrich Drepper
2004-06-04  6:58 ` David Mosberger
2004-06-04 14:29 ` Christoph Lameter
2004-06-04 15:06 ` Christoph Lameter
2004-06-04 22:06 ` GLIBC IA64 HP_TIMING fixes for SMP systems with unsynchronized ITC Peter Chubb
2004-06-04 22:25 ` Luck, Tony

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