Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965149AbVL2KDE (ORCPT ); Thu, 29 Dec 2005 05:03:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965150AbVL2KDE (ORCPT ); Thu, 29 Dec 2005 05:03:04 -0500 Received: from mx1.redhat.com ([66.187.233.31]:12014 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S965149AbVL2KDD (ORCPT ); Thu, 29 Dec 2005 05:03:03 -0500 Date: Thu, 29 Dec 2005 05:02:33 -0500 From: Dave Jones To: Ingo Molnar Cc: Lee Revell , Hugh Dickins , linux-kernel , Linus Torvalds Subject: Re: [patch] latency tracer, 2.6.15-rc7 Message-ID: <20051229100233.GA12056@redhat.com> Mail-Followup-To: Dave Jones , Ingo Molnar , Lee Revell , Hugh Dickins , linux-kernel , Linus Torvalds References: <1135726300.22744.25.camel@mindpipe> <1135814419.7680.13.camel@mindpipe> <20051229082217.GA23052@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051229082217.GA23052@elte.hu> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1455 Lines: 44 On Thu, Dec 29, 2005 at 09:22:17AM +0100, Ingo Molnar wrote: > > * Lee Revell wrote: > > > I'm not sure how much work it would be to break out > > CONFIG_LATENCY_TRACE as a separate patch. > > could you check out the 2.6.15-rc7 version of the latency tracer i > uploaded to: > > http://redhat.com/~mingo/latency-tracing-patches/ > > could test it by e.g. trying to reproduce the same VM latency as in the > -rt tree. [the two zlib patches are needed if you are using 4K stacks, > mcount increases stack footprint.] kernel/latency.c: In function 'add_preempt_count_ti': kernel/latency.c:1703: warning: implicit declaration of function 'preempt_count_ti' kernel/latency.c:1703: error: invalid lvalue in assignment kernel/latency.c: In function 'sub_preempt_count_ti': kernel/latency.c:1764: error: invalid lvalue in assignment interesting config options ... # CONFIG_PREEMPT_NONE is not set CONFIG_PREEMPT_VOLUNTARY=y # CONFIG_PREEMPT is not set CONFIG_PREEMPT_BKL=y CONFIG_WAKEUP_TIMING=y CONFIG_WAKEUP_LATENCY_HIST=y CONFIG_CRITICAL_IRQSOFF_TIMING=y CONFIG_INTERRUPT_OFF_HIST=y CONFIG_LATENCY_TRACE=y CONFIG_USE_FRAME_POINTER=y CONFIG_FRAME_POINTER=y Dave - 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/