Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932266AbWCaUER (ORCPT ); Fri, 31 Mar 2006 15:04:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932269AbWCaUEQ (ORCPT ); Fri, 31 Mar 2006 15:04:16 -0500 Received: from xproxy.gmail.com ([66.249.82.195]:9763 "EHLO xproxy.gmail.com") by vger.kernel.org with ESMTP id S932266AbWCaUEN convert rfc822-to-8bit (ORCPT ); Fri, 31 Mar 2006 15:04:13 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=CmXhgFLGZS4uYaqIo5U8dmtC38i8sjHj7gNj4AD/wF9VGOUjcozwy40Eols6uLxHzZOwEurdKpWoRS+H5zyqwwzVA47OH7P/Z7FRXrOiGSbkMoWI4BSPkQJkf/m38dxd6Cfe9+4TGk3CHRym+IFy6awcar3IS5TPAbePaoCj1ME= Message-ID: Date: Fri, 31 Mar 2006 12:04:13 -0800 From: "Andrew Grover" To: "Ingo Oeser" Subject: Re: [PATCH 1/9] [I/OAT] DMA memcpy subsystem Cc: "Kumar Gala" , "Chris Leech" , linux-kernel@vger.kernel.org, netdev@vger.kernel.org In-Reply-To: <200603311026.33391.netdev@axxeo.de> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <20060329225505.25585.30392.stgit@gitlost.site> <351C5BDA-D7E3-4257-B07E-ABDDCF254954@kernel.crashing.org> <200603311026.33391.netdev@axxeo.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 922 Lines: 25 On 3/31/06, Ingo Oeser wrote: > Kumar Gala wrote: > > Fair, but wouldn't it be better to have the association per client. > > > > Maybe leave the one as a summary and have a dir per client with > > similar stats that are for each client and add a per channel summary > > at the top level as well. > Such level of detail really belongs to debugging, IMHO. [snip] If we implemented more stats then yes debugfs sounds like it might be the way to go. > BTW: What is the actual frequency, at which such counters > will be incremented? Currently the code updates these variables (kept per cpu) every time a copy is queued. See include/linux/dmaengine.h. -- Andy - 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/