From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id C37776B00B1 for ; Fri, 20 Nov 2009 05:31:40 -0500 (EST) Message-ID: <4B067007.8070607@cs.helsinki.fi> Date: Fri, 20 Nov 2009 12:31:35 +0200 From: Pekka Enberg MIME-Version: 1.0 Subject: Re: [RFC][PATCH 1/2] perf: Add 'perf kmem' tool References: <4B064AF5.9060208@cn.fujitsu.com> <20091120081440.GA19778@elte.hu> <84144f020911200019p4978c8e8tc593334d974ee5ff@mail.gmail.com> <20091120083053.GB19778@elte.hu> <4B0657A4.2040606@cs.helsinki.fi> <20091120090134.GD19778@elte.hu> <84144f020911200115g14cfa3b5k959f8751001b8b35@mail.gmail.com> <20091120101305.GA16781@elte.hu> In-Reply-To: <20091120101305.GA16781@elte.hu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Ingo Molnar Cc: Li Zefan , Arnaldo Carvalho de Melo , Frederic Weisbecker , Steven Rostedt , Peter Zijlstra , Eduard - Gabriel Munteanu , LKML , "linux-mm@kvack.org" List-ID: Ingo Molnar kirjoitti: > * Pekka Enberg wrote: > >> Hi Ingo, >> >> On Fri, Nov 20, 2009 at 11:01 AM, Ingo Molnar wrote: >>> But ... even without that, perf is really fast and is supposed to build >>> fine even in minimal (embedded) environments, so you can run it on the >>> embedded board too. That's useful to get live inspection features like >>> 'perf top', 'perf stat' and 'perf probe' anyway. >> Maybe I'm just too damn lazy but if I don't go through the trouble of >> building my kernel on the box, I sure don't want to do that for perf >> either. [...] > > Well you'll need 'perf' on that box anyway, to be able to do 'perf kmem > record'. /me turns brains on You're right, of course. With kmemtrace-user, I just copied the raw trace file from /sys/kernel. I wonder if that's a good enough reason to keep kmemtrace bits around? Pekka -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org