From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Gilles Espinasse" Subject: Re: IRQF_SAMPLE_RANDOM question... Date: Wed, 8 Apr 2009 23:53:30 +0200 Message-ID: <2c6601c9b894$756e4000$f9b5a8c0@pii350> References: <200904061430.26276.rgetz@blackfin.uclinux.org> <1239116251.14392.133.camel@calx> <200904071830.38081.rgetz@blackfin.uclinux.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: "Matt Mackall" , , To: "Robin Getz" , "Chris Peterson" Return-path: 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 Sender: netdev-owner@vger.kernel.org List-ID: ----- 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