Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750901AbWCFI4D (ORCPT ); Mon, 6 Mar 2006 03:56:03 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752260AbWCFI4C (ORCPT ); Mon, 6 Mar 2006 03:56:02 -0500 Received: from correo4.acens.net ([217.116.0.38]:21899 "EHLO correo4.acens.net") by vger.kernel.org with ESMTP id S1750901AbWCFI4B (ORCPT ); Mon, 6 Mar 2006 03:56:01 -0500 Message-ID: <440BF854.1050201@ya.com> Date: Mon, 06 Mar 2006 09:52:36 +0100 From: Raul User-Agent: Mozilla Thunderbird 1.0 (Windows/20041206) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Steven Rostedt CC: jonathan@jonmasters.org, Nick Piggin , linux-kernel@vger.kernel.org Subject: Re: Doubt about scheduler References: <4407584A.60301@ya.com> <35fb2e590603032233i7302162do553ba61674cc8e50@mail.gmail.com> <440AE3F3.3090404@ya.com> <440AE7E3.4060500@yahoo.com.au> <440B01E1.8080102@ya.com> <35fb2e590603051330o1dfa6951le3e7f14cda0c0eaa@mail.gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1686 Lines: 49 Steven Rostedt wrote: >On Sun, 5 Mar 2006, Jon Masters wrote: > > > >>On 3/5/06, Ra?l Baena wrote: >> >> >> >>>I thought that to make the module about the new O(k) scheduler would be >>>a good idea. I think that it?s not enough for me schedstats, because I >>>want to make a visual scheduler, I mean, using GTK+ , a module and >>>something else to make a visual scheduler monitor, how the tasks move >>>between "active" and "expired", where the task are in prio_array with >>>the bitmap fields...this module isn?t usefull, only in a didactic way. >>> >>> >>If you're seriously interested in this then cool. Let me know how you get on. >> >>I looked at hacking something into gtop etc. previously to use >>/proc/kcore and pull out task information - I'd certainly like to see >>a visual process monitor that could pull all of this stuff out and >>display it for educational interest (page tables, vmas, other >>resources). But then, it's probably been done - I didn't look to see >>what else is out there. >> >> >> > >Raul, Also take a look at relayfs. It's a fast way to record data in the >kernel and pass it back to a userland process. You'll have to patch the >kernel as it is said that the data needed is private to sched.c > >Look into Documentation/filesystems/relayfs.txt > >relayfs entered the kernel in 2.6.14. > >-- Steve > > > Thank you very much, I'll see it. I'll tell you my progress!!! - 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/