From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by ag-out-0708.google.com with SMTP id 22so13522662agd.8 for ; Tue, 22 Jul 2008 17:56:46 -0700 (PDT) Date: Wed, 23 Jul 2008 03:55:08 +0300 From: Eduard - Gabriel Munteanu Subject: Re: [RFC PATCH 1/4] kmemtrace: Core implementation. Message-ID: <20080723005508.GA5555@localhost> References: <1216751493-13785-1-git-send-email-eduard.munteanu@linux360.ro> <1216751493-13785-2-git-send-email-eduard.munteanu@linux360.ro> <20080723005002.GA5206@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080723005002.GA5206@localhost> Sender: owner-linux-mm@kvack.org Return-Path: To: "Frank Ch. Eigler" Cc: penberg@cs.helsinki.fi, cl@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, rdunlap@xenotime.net, mpm@selenic.com List-ID: On Wed, Jul 23, 2008 at 03:50:02AM +0300, Eduard - Gabriel Munteanu wrote: > On Tue, Jul 22, 2008 at 05:28:16PM -0400, Frank Ch. Eigler wrote: > > > > Eduard - Gabriel Munteanu writes: > > > > > kmemtrace provides tracing for slab allocator functions, such as kmalloc, > > > kfree, kmem_cache_alloc, kmem_cache_free etc.. Collected data is then fed > > > to the userspace application in order to analyse allocation hotspots, > > > internal fragmentation and so on, making it possible to see how well an > > > allocator performs, as well as debug and profile kernel code. > > > [...] > > > > It may make sense to mention in addition that this version of > > kmemtrace uses markers as the low-level hook mechanism, and this makes > > the data generated directly accessible to other tracing tools such as > > systemtap. Thank you! > > > > > > - FChE > > Sounds like a good idea, but I'd like to get rid of markers and use > Mathieu Desnoyers' tracepoints instead. I'm just waiting for tracepoints > to get closer to inclusion in mainline/-mm. > > It would be great if tracepoints completely replaced markers, so SystemTap > would use those instead. > > However, if tracepoints are not ready when kmemtrace is to be merged, > I'll take your advice and mention markers and SystemTap. > > > Thanks, > Eduard > (fixed Matt's Cc.) -- 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