From: David Mosberger <davidm@hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] [PATCH] Hundred percent system time
Date: Thu, 07 Sep 2000 18:35:39 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590678205463@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590678205462@msgid-missing>
>>>>> On Thu, 07 Sep 2000 14:12:28 -0400, "Pat O'Rourke" <orourke@mclinux.com> 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
prev parent reply other threads:[~2000-09-07 18:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-09-07 18:12 [Linux-ia64] [PATCH] Hundred percent system time Pat O'Rourke
2000-09-07 18:35 ` David Mosberger [this message]
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