From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Thu, 07 Sep 2000 18:35:39 +0000 Subject: Re: [Linux-ia64] [PATCH] Hundred percent system time Message-Id: 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, 07 Sep 2000 14:12:28 -0400, "Pat O'Rourke" said: Pat> vmstat(8) was showing 100% system time on an "idle" system. Pat> The problem is that irq_enter() was being called twice for each Pat> clock interrupt; once in handle_IRQ_event() and a second time Pat> in smp_do_timer(): Yes, you are right. This bug was introduced with test7 and, on the x86 side, has been fixed with test8-preXX. The patch looks fine. --david