Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764824AbXETKnB (ORCPT ); Sun, 20 May 2007 06:43:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757744AbXETKmy (ORCPT ); Sun, 20 May 2007 06:42:54 -0400 Received: from userg501.nifty.com ([202.248.238.81]:57334 "EHLO userg501.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757093AbXETKmx (ORCPT ); Sun, 20 May 2007 06:42:53 -0400 DomainKey-Signature: a=rsa-sha1; s=userg501; d=nifty.com; c=nofws; q=dns; b=gLAjjuizF5t5Qqiki68314LyTYfO68jcuw6bBdxK9UHky2ClhDgOXSXxjWOPBDZQb zUmc4ZQSDjitS2zTBEMew== Date: Sun, 20 May 2007 19:42:33 +0900 From: Komuro To: Jeff Garzik Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, mingo@elte.hu Subject: Re: [SMP BUG] [clockevents: i386 drivers patch] introduces irqbalance-does-not-work-properly problem Message-Id: <20070520194233.27012723.komurojun-mbn@nifty.com> In-Reply-To: <464FBA9C.9090208@garzik.org> References: <1178202559.3767.21.camel@localhost.localdomain> <20070504233238.ca55c2d1.komurojun-mbn@nifty.com> <1178463619.3793.14.camel@localhost.localdomain> <1178777214.2951.18.camel@ymzhang> <20070510160615.6aa9cef6.akpm@linux-foundation.org> <20070513200444.9d2db4c3.komurojun-mbn@nifty.com> <20070520111409.1793a2f6.komurojun-mbn@nifty.com> <464FBA9C.9090208@garzik.org> X-Mailer: Sylpheed version 2.2.10 (GTK+ 2.10.4; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1125 Lines: 44 On Sat, 19 May 2007 23:03:56 -0400 Jeff Garzik wrote: > Do you mean userspace irqbalance daemon? Yes. I mean userspace irqbalance daemon. Best Regards Komuro > Komuro wrote: > > [clockevents: i386 drivers patch] introduces > > irqbalance-does-not-work-properly problem. > > > > > > (The irq is not distributed to two Core > > ,most of the irq is distributed to CPU1) > > > > > > Mr. Thomas Gleixner, > > any idea to fix this problem? > > Do you mean userspace irqbalance daemon? > > It might need to be modified to work properly with a new and unusual > event source. > > Also, for some irq events, it may be good to send most interrupts to one > core/CPU. That enhances caching effects, among other benefits. Again, > this is highly dependent on the event source, I'm not saying that is the > case here. > > Regards, > > Jeff > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/