From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-f44.google.com (mail-pb0-f44.google.com [209.85.160.44]) by kanga.kvack.org (Postfix) with ESMTP id 8A0036B0038 for ; Thu, 3 Apr 2014 18:31:24 -0400 (EDT) Received: by mail-pb0-f44.google.com with SMTP id rp16so2506014pbb.17 for ; Thu, 03 Apr 2014 15:31:24 -0700 (PDT) Received: from mga09.intel.com (mga09.intel.com. [134.134.136.24]) by mx.google.com with ESMTP id xt7si3677540pab.471.2014.04.03.15.31.23 for ; Thu, 03 Apr 2014 15:31:23 -0700 (PDT) Message-ID: <533DE12C.9030203@intel.com> Date: Thu, 03 Apr 2014 15:31:08 -0700 From: Dave Hansen MIME-Version: 1.0 Subject: Re: [RFC] mm,tracing: improve current situation References: <1396561440.4661.33.camel@buesod1.americas.hpqcorp.net> In-Reply-To: <1396561440.4661.33.camel@buesod1.americas.hpqcorp.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Davidlohr Bueso , linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Dave Jones , Sasha Levin , Andrew Morton On 04/03/2014 02:44 PM, Davidlohr Bueso wrote: > Now, on a more general scenario, I basically would like to know, 1) is > this actually useful... I'm hoping that, if in fact something like this > gets merged, it won't just sit there. 2) What other general data would > be useful for debugging purposes? I'm happy to collect feedback and send > out something we can all benefit from. One thing that would be nice, specifically for the VM, would be to turn all of the things that touch the /proc/vmstat counters (count_vm_event(), etc...) in to tracepoints. I started on it once, but ran in to some header dependency hell and gave up before I got anything useful. -- 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