Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756108AbYLJKZw (ORCPT ); Wed, 10 Dec 2008 05:25:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754898AbYLJKZo (ORCPT ); Wed, 10 Dec 2008 05:25:44 -0500 Received: from mta23.gyao.ne.jp ([125.63.38.249]:42936 "EHLO mx.gate01.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751838AbYLJKZn (ORCPT ); Wed, 10 Dec 2008 05:25:43 -0500 Date: Wed, 10 Dec 2008 19:23:36 +0900 From: Paul Mundt To: Andi Kleen Cc: David Miller , mingo@elte.hu, a.p.zijlstra@chello.nl, paulus@samba.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, akpm@linux-foundation.org, eranian@googlemail.com, dada1@cosmosbay.com, robert.richter@amd.com, arjan@infradead.org, hpa@zytor.com, rostedt@goodmis.org Subject: Re: [patch 0/3] [Announcement] Performance Counters for Linux Message-ID: <20081210102335.GA30942@linux-sh.org> Mail-Followup-To: Paul Mundt , Andi Kleen , David Miller , mingo@elte.hu, a.p.zijlstra@chello.nl, paulus@samba.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, akpm@linux-foundation.org, eranian@googlemail.com, dada1@cosmosbay.com, robert.richter@amd.com, arjan@infradead.org, hpa@zytor.com, rostedt@goodmis.org References: <20081205.002701.172921476.davem@davemloft.net> <20081205084233.GE2030@elte.hu> <87ej0mx0c0.fsf@basil.nowhere.org> <20081205.120814.51226316.davem@davemloft.net> <20081210034824.GA27217@linux-sh.org> <20081210102819.GF23556@one.firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081210102819.GF23556@one.firstfloor.org> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 723 Lines: 15 On Wed, Dec 10, 2008 at 11:28:19AM +0100, Andi Kleen wrote: > > Oprofile has been a pretty bad fit for them, and while I'm slightly more > > You could always use a extension of timer mode that reads them > periodically? > This is what I do today, but it is not an ideal solution. It would be nice if these sorts of use cases could be supported by newer frameworks without every platform with similar requirements having to implement workarounds hanging off of the timer IRQ. -- 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/