Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753615AbZDHV5t (ORCPT ); Wed, 8 Apr 2009 17:57:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752590AbZDHV5d (ORCPT ); Wed, 8 Apr 2009 17:57:33 -0400 Received: from smtpfb1-g21.free.fr ([212.27.42.9]:33983 "EHLO smtpfb1-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752517AbZDHV5c (ORCPT ); Wed, 8 Apr 2009 17:57:32 -0400 Message-ID: <2c6601c9b894$756e4000$f9b5a8c0@pii350> From: "Gilles Espinasse" To: "Robin Getz" , "Chris Peterson" Cc: "Matt Mackall" , , References: <200904061430.26276.rgetz@blackfin.uclinux.org> <1239116251.14392.133.camel@calx> <200904071830.38081.rgetz@blackfin.uclinux.org> Subject: Re: IRQF_SAMPLE_RANDOM question... Date: Wed, 8 Apr 2009 23:53:30 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1933 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1933 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1269 Lines: 36 ----- Original Message ----- From: "Robin Getz" To: "Chris Peterson" Cc: "Matt Mackall" ; ; Sent: Wednesday, April 08, 2009 12:30 AM Subject: Re: IRQF_SAMPLE_RANDOM question... > > on embedded and server - it is likely most of ps (except load) will be pretty > stable - even vmstat - might be on more stable than you think on embedded - > which starts processes, allocates memory, and then just runs forever..... > After the topic on that subject in May, I find clrngd http://ipsec.pl/files/ipsec/clrngd-1.0.3.tar.gz That's a small C program that feed /dev/random Readme say : "This daemon attempts to collect real randomness from fluctuations of high-frequency clocks on a PC's mainboard. The basic assumption is that mainboard and CPU are clocked by two separate physical clocks." Shortly tested, look to work for me. How large is this basic assumption true, on x86, on other arch? Gilles -- 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/